diff --git a/css/boxicons.2.0.7.min.css b/css/boxicons.2.0.7.min.css
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+@font-face{font-family:'boxicons';font-weight:normal;font-style:normal;src:url('../fonts/boxicons.eot');src:url('../fonts/boxicons.eot') format('embedded-opentype'),url('../fonts/boxicons.woff2') format('woff2'),url('../fonts/boxicons.woff') format('woff'),url('../fonts/boxicons.ttf') format('truetype'),url('../fonts/boxicons.svg?#boxicons') format('svg')}.bx{font-family:'boxicons'!important;font-weight:normal;font-style:normal;font-variant:normal;line-height:1;display:inline-block;text-transform:none;speak:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.bx-ul{margin-left:2em;padding-left:0;list-style:none}.bx-ul>li{position:relative}.bx-ul .bx{font-size:inherit;line-height:inherit;position:absolute;left:-2em;width:2em;text-align:center}@-webkit-keyframes spin{0%{-webkit-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(359deg);transform:rotate(359deg)}}@keyframes spin{0%{-webkit-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(359deg);transform:rotate(359deg)}}@-webkit-keyframes burst{0%{-webkit-transform:scale(1);transform:scale(1);opacity:1}90%{-webkit-transform:scale(1.5);transform:scale(1.5);opacity:0}}@keyframes burst{0%{-webkit-transform:scale(1);transform:scale(1);opacity:1}90%{-webkit-transform:scale(1.5);transform:scale(1.5);opacity:0}}@-webkit-keyframes flashing{0%{opacity:1}45%{opacity:0}90%{opacity:1}}@keyframes flashing{0%{opacity:1}45%{opacity:0}90%{opacity:1}}@-webkit-keyframes fade-left{0%{-webkit-transform:translateX(0);transform:translateX(0);opacity:1}75%{-webkit-transform:translateX(-20px);transform:translateX(-20px);opacity:0}}@keyframes fade-left{0%{-webkit-transform:translateX(0);transform:translateX(0);opacity:1}75%{-webkit-transform:translateX(-20px);transform:translateX(-20px);opacity:0}}@-webkit-keyframes fade-right{0%{-webkit-transform:translateX(0);transform:translateX(0);opacity:1}75%{-webkit-transform:translateX(20px);transform:translateX(20px);opacity:0}}@keyframes fade-right{0%{-webkit-transform:translateX(0);transform:translateX(0);opacity:1}75%{-webkit-transform:translateX(20px);transform:translateX(20px);opacity:0}}@-webkit-keyframes fade-up{0%{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}75%{-webkit-transform:translateY(-20px);transform:translateY(-20px);opacity:0}}@keyframes fade-up{0%{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}75%{-webkit-transform:translateY(-20px);transform:translateY(-20px);opacity:0}}@-webkit-keyframes fade-down{0%{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}75%{-webkit-transform:translateY(20px);transform:translateY(20px);opacity:0}}@keyframes fade-down{0%{-webkit-transform:translateY(0);transform:translateY(0);opacity:1}75%{-webkit-transform:translateY(20px);transform:translateY(20px);opacity:0}}@-webkit-keyframes tada{from{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}10%,20%{-webkit-transform:scale3d(.95,.95,.95) rotate3d(0,0,1,-10deg);transform:scale3d(.95,.95,.95) rotate3d(0,0,1,-10deg)}30%,50%,70%,90%{-webkit-transform:scale3d(1,1,1) rotate3d(0,0,1,10deg);transform:scale3d(1,1,1) rotate3d(0,0,1,10deg)}40%,60%,80%{-webkit-transform:scale3d(1,1,1) rotate3d(0,0,1,-10deg);transform:scale3d(1,1,1) rotate3d(0,0,1,-10deg)}to{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}}@keyframes tada{from{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}10%,20%{-webkit-transform:scale3d(.95,.95,.95) rotate3d(0,0,1,-10deg);transform:scale3d(.95,.95,.95) rotate3d(0,0,1,-10deg)}30%,50%,70%,90%{-webkit-transform:scale3d(1,1,1) rotate3d(0,0,1,10deg);transform:scale3d(1,1,1) rotate3d(0,0,1,10deg)}40%,60%,80%{-webkit-transform:rotate3d(0,0,1,-10deg);transform:rotate3d(0,0,1,-10deg)}to{-webkit-transform:scale3d(1,1,1);transform:scale3d(1,1,1)}}.bx-spin{-webkit-animation:spin 2s linear infinite;animation:spin 2s linear infinite}.bx-spin-hover:hover{-webkit-animation:spin 2s linear infinite;animation:spin 2s linear infinite}.bx-tada{-webkit-animation:tada 1.5s ease infinite;animation:tada 1.5s ease infinite}.bx-tada-hover:hover{-webkit-animation:tada 1.5s ease infinite;animation:tada 1.5s ease infinite}.bx-flashing{-webkit-animation:flashing 1.5s infinite linear;animation:flashing 1.5s infinite linear}.bx-flashing-hover:hover{-webkit-animation:flashing 1.5s infinite linear;animation:flashing 1.5s infinite linear}.bx-burst{-webkit-animation:burst 1.5s infinite linear;animation:burst 1.5s infinite linear}.bx-burst-hover:hover{-webkit-animation:burst 1.5s infinite linear;animation:burst 1.5s infinite linear}.bx-fade-up{-webkit-animation:fade-up 1.5s infinite linear;animation:fade-up 1.5s infinite linear}.bx-fade-up-hover:hover{-webkit-animation:fade-up 1.5s infinite linear;animation:fade-up 1.5s infinite linear}.bx-fade-down{-webkit-animation:fade-down 1.5s infinite linear;animation:fade-down 1.5s infinite linear}.bx-fade-down-hover:hover{-webkit-animation:fade-down 1.5s infinite linear;animation:fade-down 1.5s infinite linear}.bx-fade-left{-webkit-animation:fade-left 1.5s infinite linear;animation:fade-left 1.5s infinite linear}.bx-fade-left-hover:hover{-webkit-animation:fade-left 1.5s infinite linear;animation:fade-left 1.5s infinite linear}.bx-fade-right{-webkit-animation:fade-right 1.5s infinite linear;animation:fade-right 1.5s infinite linear}.bx-fade-right-hover:hover{-webkit-animation:fade-right 1.5s infinite linear;animation:fade-right 1.5s infinite linear}.bx-xs{font-size:1rem!important}.bx-sm{font-size:1.55rem!important}.bx-md{font-size:2.25rem!important}.bx-fw{font-size:1.2857142857em;line-height:.8em;width:1.2857142857em;height:.8em;margin-top:-.2em!important;vertical-align:middle}.bx-lg{font-size:3.0!important}.bx-pull-left{float:left;margin-right:.3em!important}.bx-pull-right{float:right;margin-left:.3em!important}.bx-rotate-90{transform:rotate(90deg);-ms-filter:'progid:DXImageTransform.Microsoft.BasicImage(rotation=1)'}.bx-rotate-180{transform:rotate(180deg);-ms-filter:'progid:DXImageTransform.Microsoft.BasicImage(rotation=2)'}.bx-rotate-270{transform:rotate(270deg);-ms-filter:'progid:DXImageTransform.Microsoft.BasicImage(rotation=3)'}.bx-flip-horizontal{transform:scaleX(-1);-ms-filter:'progid:DXImageTransform.Microsoft.BasicImage(rotation=0,mirror=1)'}.bx-flip-vertical{transform:scaleY(-1);-ms-filter:'progid:DXImageTransform.Microsoft.BasicImage(rotation=2,mirror=1)'}.bx-border{padding:.25em;border:.07em solid rgba(0,0,0,.1);border-radius:.25em}.bx-border-circle{padding:.25em;border:.07em solid 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\ No newline at end of file
diff --git a/fonts/boxicons.woff2 b/fonts/boxicons.woff2
new file mode 100644
index 0000000..d4079f6
Binary files /dev/null and b/fonts/boxicons.woff2 differ
diff --git a/resources/fsm/index.js b/resources/fsm/index.js
index 153b3f1..4cb9b28 100644
--- a/resources/fsm/index.js
+++ b/resources/fsm/index.js
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/naming-convention */
const fs = require("fs");
const fspath = require("path");
const vscode = require("vscode");
@@ -198,7 +199,7 @@ class FsmViewer {
}
getWebviewContent() {
- const resource_path = fspath.join(this.rootPath, 'resources', 'fsm', 'fsm_viewer.html');
+ const resource_path = fspath.join(this.rootPath, 'resources', 'fsm', 'view', 'fsm_viewer.html');
const dir_path = fspath.dirname(resource_path);
let html = fs.readFileSync(resource_path, 'utf-8');
diff --git a/resources/fsm/view/fsm_viewer.html b/resources/fsm/view/fsm_viewer.html
index 05cc912..f6bfb4f 100644
--- a/resources/fsm/view/fsm_viewer.html
+++ b/resources/fsm/view/fsm_viewer.html
@@ -11,7 +11,7 @@
-
+
@@ -23,7 +23,7 @@
-
+
diff --git a/resources/netlist/index.d.ts b/resources/netlist/index.d.ts
index e69de29..fe56925 100644
--- a/resources/netlist/index.d.ts
+++ b/resources/netlist/index.d.ts
@@ -0,0 +1,28 @@
+interface SynthOptions {
+ path: string
+ type: string
+ argu: string
+}
+
+interface ExportOptions {
+ path?: string
+ type?: string
+ argu?: string
+}
+
+declare module Netlist {
+ export class NetlistKernel {
+ public async launch();
+ public exec(command: string);
+ public printHelp(): string;
+ public setInnerOutput(params: boolean);
+ public setMessageCallback(callback: (message: string, type: string) => void);
+ public load(files: string[]): string;
+ public synth(options: SynthOptions);
+ public export(options: ExportOptions): string;
+ public reset();
+ public exit();
+ }
+}
+
+export = Netlist;
\ No newline at end of file
diff --git a/resources/netlist/index.js b/resources/netlist/index.js
index 56ac596..0c7f466 100644
--- a/resources/netlist/index.js
+++ b/resources/netlist/index.js
@@ -1,9 +1,10 @@
+/* eslint-disable @typescript-eslint/naming-convention */
const os = require('os');
-const fs = require("../HDLfilesys");
-const kernel = require("./kernel");
+const kernel = require('./utils/kernel');
+const Vrfs = require('./utils/vrfs');
-class Operation {
+class NetlistKernel {
constructor() {
this.kernel = null;
this.vrfs = null;
@@ -11,7 +12,7 @@ class Operation {
async launch() {
this.kernel = await kernel();
- this.vrfs = new fs.vrfs(this.kernel);
+ this.vrfs = new Vrfs(this.kernel);
this.vrfs.diskMount();
}
@@ -145,4 +146,6 @@ class Operation {
this.vrfs = null;
}
}
-module.exports = operation;
\ No newline at end of file
+module.exports = {
+ NetlistKernel
+};
\ No newline at end of file
diff --git a/resources/netlist/netlist_view.js b/resources/netlist/netlist_view.js
deleted file mode 100644
index 81012b9..0000000
--- a/resources/netlist/netlist_view.js
+++ /dev/null
@@ -1,36724 +0,0 @@
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.netlistsvg = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i 0) {
- throw new Error('Invalid string. Length must be a multiple of 4')
- }
-
- // Trim off extra bytes after placeholder bytes are found
- // See: https://github.com/beatgammit/base64-js/issues/42
- var validLen = b64.indexOf('=')
- if (validLen === -1) validLen = len
-
- var placeHoldersLen = validLen === len
- ? 0
- : 4 - (validLen % 4)
-
- return [validLen, placeHoldersLen]
-}
-
-// base64 is 4/3 + up to two characters of the original data
-function byteLength (b64) {
- var lens = getLens(b64)
- var validLen = lens[0]
- var placeHoldersLen = lens[1]
- return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
-}
-
-function _byteLength (b64, validLen, placeHoldersLen) {
- return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
-}
-
-function toByteArray (b64) {
- var tmp
- var lens = getLens(b64)
- var validLen = lens[0]
- var placeHoldersLen = lens[1]
-
- var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))
-
- var curByte = 0
-
- // if there are placeholders, only get up to the last complete 4 chars
- var len = placeHoldersLen > 0
- ? validLen - 4
- : validLen
-
- var i
- for (i = 0; i < len; i += 4) {
- tmp =
- (revLookup[b64.charCodeAt(i)] << 18) |
- (revLookup[b64.charCodeAt(i + 1)] << 12) |
- (revLookup[b64.charCodeAt(i + 2)] << 6) |
- revLookup[b64.charCodeAt(i + 3)]
- arr[curByte++] = (tmp >> 16) & 0xFF
- arr[curByte++] = (tmp >> 8) & 0xFF
- arr[curByte++] = tmp & 0xFF
- }
-
- if (placeHoldersLen === 2) {
- tmp =
- (revLookup[b64.charCodeAt(i)] << 2) |
- (revLookup[b64.charCodeAt(i + 1)] >> 4)
- arr[curByte++] = tmp & 0xFF
- }
-
- if (placeHoldersLen === 1) {
- tmp =
- (revLookup[b64.charCodeAt(i)] << 10) |
- (revLookup[b64.charCodeAt(i + 1)] << 4) |
- (revLookup[b64.charCodeAt(i + 2)] >> 2)
- arr[curByte++] = (tmp >> 8) & 0xFF
- arr[curByte++] = tmp & 0xFF
- }
-
- return arr
-}
-
-function tripletToBase64 (num) {
- return lookup[num >> 18 & 0x3F] +
- lookup[num >> 12 & 0x3F] +
- lookup[num >> 6 & 0x3F] +
- lookup[num & 0x3F]
-}
-
-function encodeChunk (uint8, start, end) {
- var tmp
- var output = []
- for (var i = start; i < end; i += 3) {
- tmp =
- ((uint8[i] << 16) & 0xFF0000) +
- ((uint8[i + 1] << 8) & 0xFF00) +
- (uint8[i + 2] & 0xFF)
- output.push(tripletToBase64(tmp))
- }
- return output.join('')
-}
-
-function fromByteArray (uint8) {
- var tmp
- var len = uint8.length
- var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
- var parts = []
- var maxChunkLength = 16383 // must be multiple of 3
-
- // go through the array every three bytes, we'll deal with trailing stuff later
- for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
- parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
- }
-
- // pad the end with zeros, but make sure to not forget the extra bytes
- if (extraBytes === 1) {
- tmp = uint8[len - 1]
- parts.push(
- lookup[tmp >> 2] +
- lookup[(tmp << 4) & 0x3F] +
- '=='
- )
- } else if (extraBytes === 2) {
- tmp = (uint8[len - 2] << 8) + uint8[len - 1]
- parts.push(
- lookup[tmp >> 10] +
- lookup[(tmp >> 4) & 0x3F] +
- lookup[(tmp << 2) & 0x3F] +
- '='
- )
- }
-
- return parts.join('')
-}
-
-},{}],2:[function(require,module,exports){
-
-},{}],3:[function(require,module,exports){
-(function (Buffer){(function (){
-/*!
- * The buffer module from node.js, for the browser.
- *
- * @author Feross Aboukhadijeh
- * @license MIT
- */
-/* eslint-disable no-proto */
-
-'use strict'
-
-var base64 = require('base64-js')
-var ieee754 = require('ieee754')
-
-exports.Buffer = Buffer
-exports.SlowBuffer = SlowBuffer
-exports.INSPECT_MAX_BYTES = 50
-
-var K_MAX_LENGTH = 0x7fffffff
-exports.kMaxLength = K_MAX_LENGTH
-
-/**
- * If `Buffer.TYPED_ARRAY_SUPPORT`:
- * === true Use Uint8Array implementation (fastest)
- * === false Print warning and recommend using `buffer` v4.x which has an Object
- * implementation (most compatible, even IE6)
- *
- * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
- * Opera 11.6+, iOS 4.2+.
- *
- * We report that the browser does not support typed arrays if the are not subclassable
- * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
- * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
- * for __proto__ and has a buggy typed array implementation.
- */
-Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()
-
-if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
- typeof console.error === 'function') {
- console.error(
- 'This browser lacks typed array (Uint8Array) support which is required by ' +
- '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
- )
-}
-
-function typedArraySupport () {
- // Can typed array instances can be augmented?
- try {
- var arr = new Uint8Array(1)
- arr.__proto__ = { __proto__: Uint8Array.prototype, foo: function () { return 42 } }
- return arr.foo() === 42
- } catch (e) {
- return false
- }
-}
-
-Object.defineProperty(Buffer.prototype, 'parent', {
- enumerable: true,
- get: function () {
- if (!Buffer.isBuffer(this)) return undefined
- return this.buffer
- }
-})
-
-Object.defineProperty(Buffer.prototype, 'offset', {
- enumerable: true,
- get: function () {
- if (!Buffer.isBuffer(this)) return undefined
- return this.byteOffset
- }
-})
-
-function createBuffer (length) {
- if (length > K_MAX_LENGTH) {
- throw new RangeError('The value "' + length + '" is invalid for option "size"')
- }
- // Return an augmented `Uint8Array` instance
- var buf = new Uint8Array(length)
- buf.__proto__ = Buffer.prototype
- return buf
-}
-
-/**
- * The Buffer constructor returns instances of `Uint8Array` that have their
- * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
- * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
- * and the `Uint8Array` methods. Square bracket notation works as expected -- it
- * returns a single octet.
- *
- * The `Uint8Array` prototype remains unmodified.
- */
-
-function Buffer (arg, encodingOrOffset, length) {
- // Common case.
- if (typeof arg === 'number') {
- if (typeof encodingOrOffset === 'string') {
- throw new TypeError(
- 'The "string" argument must be of type string. Received type number'
- )
- }
- return allocUnsafe(arg)
- }
- return from(arg, encodingOrOffset, length)
-}
-
-// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
-if (typeof Symbol !== 'undefined' && Symbol.species != null &&
- Buffer[Symbol.species] === Buffer) {
- Object.defineProperty(Buffer, Symbol.species, {
- value: null,
- configurable: true,
- enumerable: false,
- writable: false
- })
-}
-
-Buffer.poolSize = 8192 // not used by this implementation
-
-function from (value, encodingOrOffset, length) {
- if (typeof value === 'string') {
- return fromString(value, encodingOrOffset)
- }
-
- if (ArrayBuffer.isView(value)) {
- return fromArrayLike(value)
- }
-
- if (value == null) {
- throw TypeError(
- 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
- 'or Array-like Object. Received type ' + (typeof value)
- )
- }
-
- if (isInstance(value, ArrayBuffer) ||
- (value && isInstance(value.buffer, ArrayBuffer))) {
- return fromArrayBuffer(value, encodingOrOffset, length)
- }
-
- if (typeof value === 'number') {
- throw new TypeError(
- 'The "value" argument must not be of type number. Received type number'
- )
- }
-
- var valueOf = value.valueOf && value.valueOf()
- if (valueOf != null && valueOf !== value) {
- return Buffer.from(valueOf, encodingOrOffset, length)
- }
-
- var b = fromObject(value)
- if (b) return b
-
- if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&
- typeof value[Symbol.toPrimitive] === 'function') {
- return Buffer.from(
- value[Symbol.toPrimitive]('string'), encodingOrOffset, length
- )
- }
-
- throw new TypeError(
- 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
- 'or Array-like Object. Received type ' + (typeof value)
- )
-}
-
-/**
- * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
- * if value is a number.
- * Buffer.from(str[, encoding])
- * Buffer.from(array)
- * Buffer.from(buffer)
- * Buffer.from(arrayBuffer[, byteOffset[, length]])
- **/
-Buffer.from = function (value, encodingOrOffset, length) {
- return from(value, encodingOrOffset, length)
-}
-
-// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
-// https://github.com/feross/buffer/pull/148
-Buffer.prototype.__proto__ = Uint8Array.prototype
-Buffer.__proto__ = Uint8Array
-
-function assertSize (size) {
- if (typeof size !== 'number') {
- throw new TypeError('"size" argument must be of type number')
- } else if (size < 0) {
- throw new RangeError('The value "' + size + '" is invalid for option "size"')
- }
-}
-
-function alloc (size, fill, encoding) {
- assertSize(size)
- if (size <= 0) {
- return createBuffer(size)
- }
- if (fill !== undefined) {
- // Only pay attention to encoding if it's a string. This
- // prevents accidentally sending in a number that would
- // be interpretted as a start offset.
- return typeof encoding === 'string'
- ? createBuffer(size).fill(fill, encoding)
- : createBuffer(size).fill(fill)
- }
- return createBuffer(size)
-}
-
-/**
- * Creates a new filled Buffer instance.
- * alloc(size[, fill[, encoding]])
- **/
-Buffer.alloc = function (size, fill, encoding) {
- return alloc(size, fill, encoding)
-}
-
-function allocUnsafe (size) {
- assertSize(size)
- return createBuffer(size < 0 ? 0 : checked(size) | 0)
-}
-
-/**
- * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
- * */
-Buffer.allocUnsafe = function (size) {
- return allocUnsafe(size)
-}
-/**
- * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
- */
-Buffer.allocUnsafeSlow = function (size) {
- return allocUnsafe(size)
-}
-
-function fromString (string, encoding) {
- if (typeof encoding !== 'string' || encoding === '') {
- encoding = 'utf8'
- }
-
- if (!Buffer.isEncoding(encoding)) {
- throw new TypeError('Unknown encoding: ' + encoding)
- }
-
- var length = byteLength(string, encoding) | 0
- var buf = createBuffer(length)
-
- var actual = buf.write(string, encoding)
-
- if (actual !== length) {
- // Writing a hex string, for example, that contains invalid characters will
- // cause everything after the first invalid character to be ignored. (e.g.
- // 'abxxcd' will be treated as 'ab')
- buf = buf.slice(0, actual)
- }
-
- return buf
-}
-
-function fromArrayLike (array) {
- var length = array.length < 0 ? 0 : checked(array.length) | 0
- var buf = createBuffer(length)
- for (var i = 0; i < length; i += 1) {
- buf[i] = array[i] & 255
- }
- return buf
-}
-
-function fromArrayBuffer (array, byteOffset, length) {
- if (byteOffset < 0 || array.byteLength < byteOffset) {
- throw new RangeError('"offset" is outside of buffer bounds')
- }
-
- if (array.byteLength < byteOffset + (length || 0)) {
- throw new RangeError('"length" is outside of buffer bounds')
- }
-
- var buf
- if (byteOffset === undefined && length === undefined) {
- buf = new Uint8Array(array)
- } else if (length === undefined) {
- buf = new Uint8Array(array, byteOffset)
- } else {
- buf = new Uint8Array(array, byteOffset, length)
- }
-
- // Return an augmented `Uint8Array` instance
- buf.__proto__ = Buffer.prototype
- return buf
-}
-
-function fromObject (obj) {
- if (Buffer.isBuffer(obj)) {
- var len = checked(obj.length) | 0
- var buf = createBuffer(len)
-
- if (buf.length === 0) {
- return buf
- }
-
- obj.copy(buf, 0, 0, len)
- return buf
- }
-
- if (obj.length !== undefined) {
- if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
- return createBuffer(0)
- }
- return fromArrayLike(obj)
- }
-
- if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
- return fromArrayLike(obj.data)
- }
-}
-
-function checked (length) {
- // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
- // length is NaN (which is otherwise coerced to zero.)
- if (length >= K_MAX_LENGTH) {
- throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
- 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
- }
- return length | 0
-}
-
-function SlowBuffer (length) {
- if (+length != length) { // eslint-disable-line eqeqeq
- length = 0
- }
- return Buffer.alloc(+length)
-}
-
-Buffer.isBuffer = function isBuffer (b) {
- return b != null && b._isBuffer === true &&
- b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false
-}
-
-Buffer.compare = function compare (a, b) {
- if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)
- if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)
- if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
- throw new TypeError(
- 'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'
- )
- }
-
- if (a === b) return 0
-
- var x = a.length
- var y = b.length
-
- for (var i = 0, len = Math.min(x, y); i < len; ++i) {
- if (a[i] !== b[i]) {
- x = a[i]
- y = b[i]
- break
- }
- }
-
- if (x < y) return -1
- if (y < x) return 1
- return 0
-}
-
-Buffer.isEncoding = function isEncoding (encoding) {
- switch (String(encoding).toLowerCase()) {
- case 'hex':
- case 'utf8':
- case 'utf-8':
- case 'ascii':
- case 'latin1':
- case 'binary':
- case 'base64':
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return true
- default:
- return false
- }
-}
-
-Buffer.concat = function concat (list, length) {
- if (!Array.isArray(list)) {
- throw new TypeError('"list" argument must be an Array of Buffers')
- }
-
- if (list.length === 0) {
- return Buffer.alloc(0)
- }
-
- var i
- if (length === undefined) {
- length = 0
- for (i = 0; i < list.length; ++i) {
- length += list[i].length
- }
- }
-
- var buffer = Buffer.allocUnsafe(length)
- var pos = 0
- for (i = 0; i < list.length; ++i) {
- var buf = list[i]
- if (isInstance(buf, Uint8Array)) {
- buf = Buffer.from(buf)
- }
- if (!Buffer.isBuffer(buf)) {
- throw new TypeError('"list" argument must be an Array of Buffers')
- }
- buf.copy(buffer, pos)
- pos += buf.length
- }
- return buffer
-}
-
-function byteLength (string, encoding) {
- if (Buffer.isBuffer(string)) {
- return string.length
- }
- if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
- return string.byteLength
- }
- if (typeof string !== 'string') {
- throw new TypeError(
- 'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' +
- 'Received type ' + typeof string
- )
- }
-
- var len = string.length
- var mustMatch = (arguments.length > 2 && arguments[2] === true)
- if (!mustMatch && len === 0) return 0
-
- // Use a for loop to avoid recursion
- var loweredCase = false
- for (;;) {
- switch (encoding) {
- case 'ascii':
- case 'latin1':
- case 'binary':
- return len
- case 'utf8':
- case 'utf-8':
- return utf8ToBytes(string).length
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return len * 2
- case 'hex':
- return len >>> 1
- case 'base64':
- return base64ToBytes(string).length
- default:
- if (loweredCase) {
- return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8
- }
- encoding = ('' + encoding).toLowerCase()
- loweredCase = true
- }
- }
-}
-Buffer.byteLength = byteLength
-
-function slowToString (encoding, start, end) {
- var loweredCase = false
-
- // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
- // property of a typed array.
-
- // This behaves neither like String nor Uint8Array in that we set start/end
- // to their upper/lower bounds if the value passed is out of range.
- // undefined is handled specially as per ECMA-262 6th Edition,
- // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
- if (start === undefined || start < 0) {
- start = 0
- }
- // Return early if start > this.length. Done here to prevent potential uint32
- // coercion fail below.
- if (start > this.length) {
- return ''
- }
-
- if (end === undefined || end > this.length) {
- end = this.length
- }
-
- if (end <= 0) {
- return ''
- }
-
- // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
- end >>>= 0
- start >>>= 0
-
- if (end <= start) {
- return ''
- }
-
- if (!encoding) encoding = 'utf8'
-
- while (true) {
- switch (encoding) {
- case 'hex':
- return hexSlice(this, start, end)
-
- case 'utf8':
- case 'utf-8':
- return utf8Slice(this, start, end)
-
- case 'ascii':
- return asciiSlice(this, start, end)
-
- case 'latin1':
- case 'binary':
- return latin1Slice(this, start, end)
-
- case 'base64':
- return base64Slice(this, start, end)
-
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return utf16leSlice(this, start, end)
-
- default:
- if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
- encoding = (encoding + '').toLowerCase()
- loweredCase = true
- }
- }
-}
-
-// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
-// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
-// reliably in a browserify context because there could be multiple different
-// copies of the 'buffer' package in use. This method works even for Buffer
-// instances that were created from another copy of the `buffer` package.
-// See: https://github.com/feross/buffer/issues/154
-Buffer.prototype._isBuffer = true
-
-function swap (b, n, m) {
- var i = b[n]
- b[n] = b[m]
- b[m] = i
-}
-
-Buffer.prototype.swap16 = function swap16 () {
- var len = this.length
- if (len % 2 !== 0) {
- throw new RangeError('Buffer size must be a multiple of 16-bits')
- }
- for (var i = 0; i < len; i += 2) {
- swap(this, i, i + 1)
- }
- return this
-}
-
-Buffer.prototype.swap32 = function swap32 () {
- var len = this.length
- if (len % 4 !== 0) {
- throw new RangeError('Buffer size must be a multiple of 32-bits')
- }
- for (var i = 0; i < len; i += 4) {
- swap(this, i, i + 3)
- swap(this, i + 1, i + 2)
- }
- return this
-}
-
-Buffer.prototype.swap64 = function swap64 () {
- var len = this.length
- if (len % 8 !== 0) {
- throw new RangeError('Buffer size must be a multiple of 64-bits')
- }
- for (var i = 0; i < len; i += 8) {
- swap(this, i, i + 7)
- swap(this, i + 1, i + 6)
- swap(this, i + 2, i + 5)
- swap(this, i + 3, i + 4)
- }
- return this
-}
-
-Buffer.prototype.toString = function toString () {
- var length = this.length
- if (length === 0) return ''
- if (arguments.length === 0) return utf8Slice(this, 0, length)
- return slowToString.apply(this, arguments)
-}
-
-Buffer.prototype.toLocaleString = Buffer.prototype.toString
-
-Buffer.prototype.equals = function equals (b) {
- if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
- if (this === b) return true
- return Buffer.compare(this, b) === 0
-}
-
-Buffer.prototype.inspect = function inspect () {
- var str = ''
- var max = exports.INSPECT_MAX_BYTES
- str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()
- if (this.length > max) str += ' ... '
- return ''
-}
-
-Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
- if (isInstance(target, Uint8Array)) {
- target = Buffer.from(target, target.offset, target.byteLength)
- }
- if (!Buffer.isBuffer(target)) {
- throw new TypeError(
- 'The "target" argument must be one of type Buffer or Uint8Array. ' +
- 'Received type ' + (typeof target)
- )
- }
-
- if (start === undefined) {
- start = 0
- }
- if (end === undefined) {
- end = target ? target.length : 0
- }
- if (thisStart === undefined) {
- thisStart = 0
- }
- if (thisEnd === undefined) {
- thisEnd = this.length
- }
-
- if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
- throw new RangeError('out of range index')
- }
-
- if (thisStart >= thisEnd && start >= end) {
- return 0
- }
- if (thisStart >= thisEnd) {
- return -1
- }
- if (start >= end) {
- return 1
- }
-
- start >>>= 0
- end >>>= 0
- thisStart >>>= 0
- thisEnd >>>= 0
-
- if (this === target) return 0
-
- var x = thisEnd - thisStart
- var y = end - start
- var len = Math.min(x, y)
-
- var thisCopy = this.slice(thisStart, thisEnd)
- var targetCopy = target.slice(start, end)
-
- for (var i = 0; i < len; ++i) {
- if (thisCopy[i] !== targetCopy[i]) {
- x = thisCopy[i]
- y = targetCopy[i]
- break
- }
- }
-
- if (x < y) return -1
- if (y < x) return 1
- return 0
-}
-
-// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
-// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
-//
-// Arguments:
-// - buffer - a Buffer to search
-// - val - a string, Buffer, or number
-// - byteOffset - an index into `buffer`; will be clamped to an int32
-// - encoding - an optional encoding, relevant is val is a string
-// - dir - true for indexOf, false for lastIndexOf
-function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
- // Empty buffer means no match
- if (buffer.length === 0) return -1
-
- // Normalize byteOffset
- if (typeof byteOffset === 'string') {
- encoding = byteOffset
- byteOffset = 0
- } else if (byteOffset > 0x7fffffff) {
- byteOffset = 0x7fffffff
- } else if (byteOffset < -0x80000000) {
- byteOffset = -0x80000000
- }
- byteOffset = +byteOffset // Coerce to Number.
- if (numberIsNaN(byteOffset)) {
- // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
- byteOffset = dir ? 0 : (buffer.length - 1)
- }
-
- // Normalize byteOffset: negative offsets start from the end of the buffer
- if (byteOffset < 0) byteOffset = buffer.length + byteOffset
- if (byteOffset >= buffer.length) {
- if (dir) return -1
- else byteOffset = buffer.length - 1
- } else if (byteOffset < 0) {
- if (dir) byteOffset = 0
- else return -1
- }
-
- // Normalize val
- if (typeof val === 'string') {
- val = Buffer.from(val, encoding)
- }
-
- // Finally, search either indexOf (if dir is true) or lastIndexOf
- if (Buffer.isBuffer(val)) {
- // Special case: looking for empty string/buffer always fails
- if (val.length === 0) {
- return -1
- }
- return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
- } else if (typeof val === 'number') {
- val = val & 0xFF // Search for a byte value [0-255]
- if (typeof Uint8Array.prototype.indexOf === 'function') {
- if (dir) {
- return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
- } else {
- return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
- }
- }
- return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
- }
-
- throw new TypeError('val must be string, number or Buffer')
-}
-
-function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
- var indexSize = 1
- var arrLength = arr.length
- var valLength = val.length
-
- if (encoding !== undefined) {
- encoding = String(encoding).toLowerCase()
- if (encoding === 'ucs2' || encoding === 'ucs-2' ||
- encoding === 'utf16le' || encoding === 'utf-16le') {
- if (arr.length < 2 || val.length < 2) {
- return -1
- }
- indexSize = 2
- arrLength /= 2
- valLength /= 2
- byteOffset /= 2
- }
- }
-
- function read (buf, i) {
- if (indexSize === 1) {
- return buf[i]
- } else {
- return buf.readUInt16BE(i * indexSize)
- }
- }
-
- var i
- if (dir) {
- var foundIndex = -1
- for (i = byteOffset; i < arrLength; i++) {
- if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
- if (foundIndex === -1) foundIndex = i
- if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
- } else {
- if (foundIndex !== -1) i -= i - foundIndex
- foundIndex = -1
- }
- }
- } else {
- if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
- for (i = byteOffset; i >= 0; i--) {
- var found = true
- for (var j = 0; j < valLength; j++) {
- if (read(arr, i + j) !== read(val, j)) {
- found = false
- break
- }
- }
- if (found) return i
- }
- }
-
- return -1
-}
-
-Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
- return this.indexOf(val, byteOffset, encoding) !== -1
-}
-
-Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
- return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
-}
-
-Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
- return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
-}
-
-function hexWrite (buf, string, offset, length) {
- offset = Number(offset) || 0
- var remaining = buf.length - offset
- if (!length) {
- length = remaining
- } else {
- length = Number(length)
- if (length > remaining) {
- length = remaining
- }
- }
-
- var strLen = string.length
-
- if (length > strLen / 2) {
- length = strLen / 2
- }
- for (var i = 0; i < length; ++i) {
- var parsed = parseInt(string.substr(i * 2, 2), 16)
- if (numberIsNaN(parsed)) return i
- buf[offset + i] = parsed
- }
- return i
-}
-
-function utf8Write (buf, string, offset, length) {
- return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
-}
-
-function asciiWrite (buf, string, offset, length) {
- return blitBuffer(asciiToBytes(string), buf, offset, length)
-}
-
-function latin1Write (buf, string, offset, length) {
- return asciiWrite(buf, string, offset, length)
-}
-
-function base64Write (buf, string, offset, length) {
- return blitBuffer(base64ToBytes(string), buf, offset, length)
-}
-
-function ucs2Write (buf, string, offset, length) {
- return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
-}
-
-Buffer.prototype.write = function write (string, offset, length, encoding) {
- // Buffer#write(string)
- if (offset === undefined) {
- encoding = 'utf8'
- length = this.length
- offset = 0
- // Buffer#write(string, encoding)
- } else if (length === undefined && typeof offset === 'string') {
- encoding = offset
- length = this.length
- offset = 0
- // Buffer#write(string, offset[, length][, encoding])
- } else if (isFinite(offset)) {
- offset = offset >>> 0
- if (isFinite(length)) {
- length = length >>> 0
- if (encoding === undefined) encoding = 'utf8'
- } else {
- encoding = length
- length = undefined
- }
- } else {
- throw new Error(
- 'Buffer.write(string, encoding, offset[, length]) is no longer supported'
- )
- }
-
- var remaining = this.length - offset
- if (length === undefined || length > remaining) length = remaining
-
- if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
- throw new RangeError('Attempt to write outside buffer bounds')
- }
-
- if (!encoding) encoding = 'utf8'
-
- var loweredCase = false
- for (;;) {
- switch (encoding) {
- case 'hex':
- return hexWrite(this, string, offset, length)
-
- case 'utf8':
- case 'utf-8':
- return utf8Write(this, string, offset, length)
-
- case 'ascii':
- return asciiWrite(this, string, offset, length)
-
- case 'latin1':
- case 'binary':
- return latin1Write(this, string, offset, length)
-
- case 'base64':
- // Warning: maxLength not taken into account in base64Write
- return base64Write(this, string, offset, length)
-
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return ucs2Write(this, string, offset, length)
-
- default:
- if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
- encoding = ('' + encoding).toLowerCase()
- loweredCase = true
- }
- }
-}
-
-Buffer.prototype.toJSON = function toJSON () {
- return {
- type: 'Buffer',
- data: Array.prototype.slice.call(this._arr || this, 0)
- }
-}
-
-function base64Slice (buf, start, end) {
- if (start === 0 && end === buf.length) {
- return base64.fromByteArray(buf)
- } else {
- return base64.fromByteArray(buf.slice(start, end))
- }
-}
-
-function utf8Slice (buf, start, end) {
- end = Math.min(buf.length, end)
- var res = []
-
- var i = start
- while (i < end) {
- var firstByte = buf[i]
- var codePoint = null
- var bytesPerSequence = (firstByte > 0xEF) ? 4
- : (firstByte > 0xDF) ? 3
- : (firstByte > 0xBF) ? 2
- : 1
-
- if (i + bytesPerSequence <= end) {
- var secondByte, thirdByte, fourthByte, tempCodePoint
-
- switch (bytesPerSequence) {
- case 1:
- if (firstByte < 0x80) {
- codePoint = firstByte
- }
- break
- case 2:
- secondByte = buf[i + 1]
- if ((secondByte & 0xC0) === 0x80) {
- tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
- if (tempCodePoint > 0x7F) {
- codePoint = tempCodePoint
- }
- }
- break
- case 3:
- secondByte = buf[i + 1]
- thirdByte = buf[i + 2]
- if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
- tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
- if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
- codePoint = tempCodePoint
- }
- }
- break
- case 4:
- secondByte = buf[i + 1]
- thirdByte = buf[i + 2]
- fourthByte = buf[i + 3]
- if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
- tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
- if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
- codePoint = tempCodePoint
- }
- }
- }
- }
-
- if (codePoint === null) {
- // we did not generate a valid codePoint so insert a
- // replacement char (U+FFFD) and advance only 1 byte
- codePoint = 0xFFFD
- bytesPerSequence = 1
- } else if (codePoint > 0xFFFF) {
- // encode to utf16 (surrogate pair dance)
- codePoint -= 0x10000
- res.push(codePoint >>> 10 & 0x3FF | 0xD800)
- codePoint = 0xDC00 | codePoint & 0x3FF
- }
-
- res.push(codePoint)
- i += bytesPerSequence
- }
-
- return decodeCodePointsArray(res)
-}
-
-// Based on http://stackoverflow.com/a/22747272/680742, the browser with
-// the lowest limit is Chrome, with 0x10000 args.
-// We go 1 magnitude less, for safety
-var MAX_ARGUMENTS_LENGTH = 0x1000
-
-function decodeCodePointsArray (codePoints) {
- var len = codePoints.length
- if (len <= MAX_ARGUMENTS_LENGTH) {
- return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
- }
-
- // Decode in chunks to avoid "call stack size exceeded".
- var res = ''
- var i = 0
- while (i < len) {
- res += String.fromCharCode.apply(
- String,
- codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
- )
- }
- return res
-}
-
-function asciiSlice (buf, start, end) {
- var ret = ''
- end = Math.min(buf.length, end)
-
- for (var i = start; i < end; ++i) {
- ret += String.fromCharCode(buf[i] & 0x7F)
- }
- return ret
-}
-
-function latin1Slice (buf, start, end) {
- var ret = ''
- end = Math.min(buf.length, end)
-
- for (var i = start; i < end; ++i) {
- ret += String.fromCharCode(buf[i])
- }
- return ret
-}
-
-function hexSlice (buf, start, end) {
- var len = buf.length
-
- if (!start || start < 0) start = 0
- if (!end || end < 0 || end > len) end = len
-
- var out = ''
- for (var i = start; i < end; ++i) {
- out += toHex(buf[i])
- }
- return out
-}
-
-function utf16leSlice (buf, start, end) {
- var bytes = buf.slice(start, end)
- var res = ''
- for (var i = 0; i < bytes.length; i += 2) {
- res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
- }
- return res
-}
-
-Buffer.prototype.slice = function slice (start, end) {
- var len = this.length
- start = ~~start
- end = end === undefined ? len : ~~end
-
- if (start < 0) {
- start += len
- if (start < 0) start = 0
- } else if (start > len) {
- start = len
- }
-
- if (end < 0) {
- end += len
- if (end < 0) end = 0
- } else if (end > len) {
- end = len
- }
-
- if (end < start) end = start
-
- var newBuf = this.subarray(start, end)
- // Return an augmented `Uint8Array` instance
- newBuf.__proto__ = Buffer.prototype
- return newBuf
-}
-
-/*
- * Need to make sure that buffer isn't trying to write out of bounds.
- */
-function checkOffset (offset, ext, length) {
- if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
- if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
-}
-
-Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
- offset = offset >>> 0
- byteLength = byteLength >>> 0
- if (!noAssert) checkOffset(offset, byteLength, this.length)
-
- var val = this[offset]
- var mul = 1
- var i = 0
- while (++i < byteLength && (mul *= 0x100)) {
- val += this[offset + i] * mul
- }
-
- return val
-}
-
-Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
- offset = offset >>> 0
- byteLength = byteLength >>> 0
- if (!noAssert) {
- checkOffset(offset, byteLength, this.length)
- }
-
- var val = this[offset + --byteLength]
- var mul = 1
- while (byteLength > 0 && (mul *= 0x100)) {
- val += this[offset + --byteLength] * mul
- }
-
- return val
-}
-
-Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 1, this.length)
- return this[offset]
-}
-
-Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 2, this.length)
- return this[offset] | (this[offset + 1] << 8)
-}
-
-Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 2, this.length)
- return (this[offset] << 8) | this[offset + 1]
-}
-
-Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 4, this.length)
-
- return ((this[offset]) |
- (this[offset + 1] << 8) |
- (this[offset + 2] << 16)) +
- (this[offset + 3] * 0x1000000)
-}
-
-Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 4, this.length)
-
- return (this[offset] * 0x1000000) +
- ((this[offset + 1] << 16) |
- (this[offset + 2] << 8) |
- this[offset + 3])
-}
-
-Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
- offset = offset >>> 0
- byteLength = byteLength >>> 0
- if (!noAssert) checkOffset(offset, byteLength, this.length)
-
- var val = this[offset]
- var mul = 1
- var i = 0
- while (++i < byteLength && (mul *= 0x100)) {
- val += this[offset + i] * mul
- }
- mul *= 0x80
-
- if (val >= mul) val -= Math.pow(2, 8 * byteLength)
-
- return val
-}
-
-Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
- offset = offset >>> 0
- byteLength = byteLength >>> 0
- if (!noAssert) checkOffset(offset, byteLength, this.length)
-
- var i = byteLength
- var mul = 1
- var val = this[offset + --i]
- while (i > 0 && (mul *= 0x100)) {
- val += this[offset + --i] * mul
- }
- mul *= 0x80
-
- if (val >= mul) val -= Math.pow(2, 8 * byteLength)
-
- return val
-}
-
-Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 1, this.length)
- if (!(this[offset] & 0x80)) return (this[offset])
- return ((0xff - this[offset] + 1) * -1)
-}
-
-Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 2, this.length)
- var val = this[offset] | (this[offset + 1] << 8)
- return (val & 0x8000) ? val | 0xFFFF0000 : val
-}
-
-Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 2, this.length)
- var val = this[offset + 1] | (this[offset] << 8)
- return (val & 0x8000) ? val | 0xFFFF0000 : val
-}
-
-Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 4, this.length)
-
- return (this[offset]) |
- (this[offset + 1] << 8) |
- (this[offset + 2] << 16) |
- (this[offset + 3] << 24)
-}
-
-Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 4, this.length)
-
- return (this[offset] << 24) |
- (this[offset + 1] << 16) |
- (this[offset + 2] << 8) |
- (this[offset + 3])
-}
-
-Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 4, this.length)
- return ieee754.read(this, offset, true, 23, 4)
-}
-
-Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 4, this.length)
- return ieee754.read(this, offset, false, 23, 4)
-}
-
-Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 8, this.length)
- return ieee754.read(this, offset, true, 52, 8)
-}
-
-Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
- offset = offset >>> 0
- if (!noAssert) checkOffset(offset, 8, this.length)
- return ieee754.read(this, offset, false, 52, 8)
-}
-
-function checkInt (buf, value, offset, ext, max, min) {
- if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
- if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
- if (offset + ext > buf.length) throw new RangeError('Index out of range')
-}
-
-Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
- value = +value
- offset = offset >>> 0
- byteLength = byteLength >>> 0
- if (!noAssert) {
- var maxBytes = Math.pow(2, 8 * byteLength) - 1
- checkInt(this, value, offset, byteLength, maxBytes, 0)
- }
-
- var mul = 1
- var i = 0
- this[offset] = value & 0xFF
- while (++i < byteLength && (mul *= 0x100)) {
- this[offset + i] = (value / mul) & 0xFF
- }
-
- return offset + byteLength
-}
-
-Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
- value = +value
- offset = offset >>> 0
- byteLength = byteLength >>> 0
- if (!noAssert) {
- var maxBytes = Math.pow(2, 8 * byteLength) - 1
- checkInt(this, value, offset, byteLength, maxBytes, 0)
- }
-
- var i = byteLength - 1
- var mul = 1
- this[offset + i] = value & 0xFF
- while (--i >= 0 && (mul *= 0x100)) {
- this[offset + i] = (value / mul) & 0xFF
- }
-
- return offset + byteLength
-}
-
-Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
- this[offset] = (value & 0xff)
- return offset + 1
-}
-
-Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
- this[offset] = (value & 0xff)
- this[offset + 1] = (value >>> 8)
- return offset + 2
-}
-
-Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
- this[offset] = (value >>> 8)
- this[offset + 1] = (value & 0xff)
- return offset + 2
-}
-
-Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
- this[offset + 3] = (value >>> 24)
- this[offset + 2] = (value >>> 16)
- this[offset + 1] = (value >>> 8)
- this[offset] = (value & 0xff)
- return offset + 4
-}
-
-Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
- this[offset] = (value >>> 24)
- this[offset + 1] = (value >>> 16)
- this[offset + 2] = (value >>> 8)
- this[offset + 3] = (value & 0xff)
- return offset + 4
-}
-
-Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) {
- var limit = Math.pow(2, (8 * byteLength) - 1)
-
- checkInt(this, value, offset, byteLength, limit - 1, -limit)
- }
-
- var i = 0
- var mul = 1
- var sub = 0
- this[offset] = value & 0xFF
- while (++i < byteLength && (mul *= 0x100)) {
- if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
- sub = 1
- }
- this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
- }
-
- return offset + byteLength
-}
-
-Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) {
- var limit = Math.pow(2, (8 * byteLength) - 1)
-
- checkInt(this, value, offset, byteLength, limit - 1, -limit)
- }
-
- var i = byteLength - 1
- var mul = 1
- var sub = 0
- this[offset + i] = value & 0xFF
- while (--i >= 0 && (mul *= 0x100)) {
- if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
- sub = 1
- }
- this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
- }
-
- return offset + byteLength
-}
-
-Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
- if (value < 0) value = 0xff + value + 1
- this[offset] = (value & 0xff)
- return offset + 1
-}
-
-Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
- this[offset] = (value & 0xff)
- this[offset + 1] = (value >>> 8)
- return offset + 2
-}
-
-Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
- this[offset] = (value >>> 8)
- this[offset + 1] = (value & 0xff)
- return offset + 2
-}
-
-Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
- this[offset] = (value & 0xff)
- this[offset + 1] = (value >>> 8)
- this[offset + 2] = (value >>> 16)
- this[offset + 3] = (value >>> 24)
- return offset + 4
-}
-
-Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
- if (value < 0) value = 0xffffffff + value + 1
- this[offset] = (value >>> 24)
- this[offset + 1] = (value >>> 16)
- this[offset + 2] = (value >>> 8)
- this[offset + 3] = (value & 0xff)
- return offset + 4
-}
-
-function checkIEEE754 (buf, value, offset, ext, max, min) {
- if (offset + ext > buf.length) throw new RangeError('Index out of range')
- if (offset < 0) throw new RangeError('Index out of range')
-}
-
-function writeFloat (buf, value, offset, littleEndian, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) {
- checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
- }
- ieee754.write(buf, value, offset, littleEndian, 23, 4)
- return offset + 4
-}
-
-Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
- return writeFloat(this, value, offset, true, noAssert)
-}
-
-Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
- return writeFloat(this, value, offset, false, noAssert)
-}
-
-function writeDouble (buf, value, offset, littleEndian, noAssert) {
- value = +value
- offset = offset >>> 0
- if (!noAssert) {
- checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
- }
- ieee754.write(buf, value, offset, littleEndian, 52, 8)
- return offset + 8
-}
-
-Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
- return writeDouble(this, value, offset, true, noAssert)
-}
-
-Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
- return writeDouble(this, value, offset, false, noAssert)
-}
-
-// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
-Buffer.prototype.copy = function copy (target, targetStart, start, end) {
- if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')
- if (!start) start = 0
- if (!end && end !== 0) end = this.length
- if (targetStart >= target.length) targetStart = target.length
- if (!targetStart) targetStart = 0
- if (end > 0 && end < start) end = start
-
- // Copy 0 bytes; we're done
- if (end === start) return 0
- if (target.length === 0 || this.length === 0) return 0
-
- // Fatal error conditions
- if (targetStart < 0) {
- throw new RangeError('targetStart out of bounds')
- }
- if (start < 0 || start >= this.length) throw new RangeError('Index out of range')
- if (end < 0) throw new RangeError('sourceEnd out of bounds')
-
- // Are we oob?
- if (end > this.length) end = this.length
- if (target.length - targetStart < end - start) {
- end = target.length - targetStart + start
- }
-
- var len = end - start
-
- if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
- // Use built-in when available, missing from IE11
- this.copyWithin(targetStart, start, end)
- } else if (this === target && start < targetStart && targetStart < end) {
- // descending copy from end
- for (var i = len - 1; i >= 0; --i) {
- target[i + targetStart] = this[i + start]
- }
- } else {
- Uint8Array.prototype.set.call(
- target,
- this.subarray(start, end),
- targetStart
- )
- }
-
- return len
-}
-
-// Usage:
-// buffer.fill(number[, offset[, end]])
-// buffer.fill(buffer[, offset[, end]])
-// buffer.fill(string[, offset[, end]][, encoding])
-Buffer.prototype.fill = function fill (val, start, end, encoding) {
- // Handle string cases:
- if (typeof val === 'string') {
- if (typeof start === 'string') {
- encoding = start
- start = 0
- end = this.length
- } else if (typeof end === 'string') {
- encoding = end
- end = this.length
- }
- if (encoding !== undefined && typeof encoding !== 'string') {
- throw new TypeError('encoding must be a string')
- }
- if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
- throw new TypeError('Unknown encoding: ' + encoding)
- }
- if (val.length === 1) {
- var code = val.charCodeAt(0)
- if ((encoding === 'utf8' && code < 128) ||
- encoding === 'latin1') {
- // Fast path: If `val` fits into a single byte, use that numeric value.
- val = code
- }
- }
- } else if (typeof val === 'number') {
- val = val & 255
- }
-
- // Invalid ranges are not set to a default, so can range check early.
- if (start < 0 || this.length < start || this.length < end) {
- throw new RangeError('Out of range index')
- }
-
- if (end <= start) {
- return this
- }
-
- start = start >>> 0
- end = end === undefined ? this.length : end >>> 0
-
- if (!val) val = 0
-
- var i
- if (typeof val === 'number') {
- for (i = start; i < end; ++i) {
- this[i] = val
- }
- } else {
- var bytes = Buffer.isBuffer(val)
- ? val
- : Buffer.from(val, encoding)
- var len = bytes.length
- if (len === 0) {
- throw new TypeError('The value "' + val +
- '" is invalid for argument "value"')
- }
- for (i = 0; i < end - start; ++i) {
- this[i + start] = bytes[i % len]
- }
- }
-
- return this
-}
-
-// HELPER FUNCTIONS
-// ================
-
-var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g
-
-function base64clean (str) {
- // Node takes equal signs as end of the Base64 encoding
- str = str.split('=')[0]
- // Node strips out invalid characters like \n and \t from the string, base64-js does not
- str = str.trim().replace(INVALID_BASE64_RE, '')
- // Node converts strings with length < 2 to ''
- if (str.length < 2) return ''
- // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
- while (str.length % 4 !== 0) {
- str = str + '='
- }
- return str
-}
-
-function toHex (n) {
- if (n < 16) return '0' + n.toString(16)
- return n.toString(16)
-}
-
-function utf8ToBytes (string, units) {
- units = units || Infinity
- var codePoint
- var length = string.length
- var leadSurrogate = null
- var bytes = []
-
- for (var i = 0; i < length; ++i) {
- codePoint = string.charCodeAt(i)
-
- // is surrogate component
- if (codePoint > 0xD7FF && codePoint < 0xE000) {
- // last char was a lead
- if (!leadSurrogate) {
- // no lead yet
- if (codePoint > 0xDBFF) {
- // unexpected trail
- if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
- continue
- } else if (i + 1 === length) {
- // unpaired lead
- if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
- continue
- }
-
- // valid lead
- leadSurrogate = codePoint
-
- continue
- }
-
- // 2 leads in a row
- if (codePoint < 0xDC00) {
- if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
- leadSurrogate = codePoint
- continue
- }
-
- // valid surrogate pair
- codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
- } else if (leadSurrogate) {
- // valid bmp char, but last char was a lead
- if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
- }
-
- leadSurrogate = null
-
- // encode utf8
- if (codePoint < 0x80) {
- if ((units -= 1) < 0) break
- bytes.push(codePoint)
- } else if (codePoint < 0x800) {
- if ((units -= 2) < 0) break
- bytes.push(
- codePoint >> 0x6 | 0xC0,
- codePoint & 0x3F | 0x80
- )
- } else if (codePoint < 0x10000) {
- if ((units -= 3) < 0) break
- bytes.push(
- codePoint >> 0xC | 0xE0,
- codePoint >> 0x6 & 0x3F | 0x80,
- codePoint & 0x3F | 0x80
- )
- } else if (codePoint < 0x110000) {
- if ((units -= 4) < 0) break
- bytes.push(
- codePoint >> 0x12 | 0xF0,
- codePoint >> 0xC & 0x3F | 0x80,
- codePoint >> 0x6 & 0x3F | 0x80,
- codePoint & 0x3F | 0x80
- )
- } else {
- throw new Error('Invalid code point')
- }
- }
-
- return bytes
-}
-
-function asciiToBytes (str) {
- var byteArray = []
- for (var i = 0; i < str.length; ++i) {
- // Node's code seems to be doing this and not & 0x7F..
- byteArray.push(str.charCodeAt(i) & 0xFF)
- }
- return byteArray
-}
-
-function utf16leToBytes (str, units) {
- var c, hi, lo
- var byteArray = []
- for (var i = 0; i < str.length; ++i) {
- if ((units -= 2) < 0) break
-
- c = str.charCodeAt(i)
- hi = c >> 8
- lo = c % 256
- byteArray.push(lo)
- byteArray.push(hi)
- }
-
- return byteArray
-}
-
-function base64ToBytes (str) {
- return base64.toByteArray(base64clean(str))
-}
-
-function blitBuffer (src, dst, offset, length) {
- for (var i = 0; i < length; ++i) {
- if ((i + offset >= dst.length) || (i >= src.length)) break
- dst[i + offset] = src[i]
- }
- return i
-}
-
-// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
-// the `instanceof` check but they should be treated as of that type.
-// See: https://github.com/feross/buffer/issues/166
-function isInstance (obj, type) {
- return obj instanceof type ||
- (obj != null && obj.constructor != null && obj.constructor.name != null &&
- obj.constructor.name === type.name)
-}
-function numberIsNaN (obj) {
- // For IE11 support
- return obj !== obj // eslint-disable-line no-self-compare
-}
-
-}).call(this)}).call(this,require("buffer").Buffer)
-},{"base64-js":1,"buffer":3,"ieee754":5}],4:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-'use strict';
-
-var R = typeof Reflect === 'object' ? Reflect : null
-var ReflectApply = R && typeof R.apply === 'function'
- ? R.apply
- : function ReflectApply(target, receiver, args) {
- return Function.prototype.apply.call(target, receiver, args);
- }
-
-var ReflectOwnKeys
-if (R && typeof R.ownKeys === 'function') {
- ReflectOwnKeys = R.ownKeys
-} else if (Object.getOwnPropertySymbols) {
- ReflectOwnKeys = function ReflectOwnKeys(target) {
- return Object.getOwnPropertyNames(target)
- .concat(Object.getOwnPropertySymbols(target));
- };
-} else {
- ReflectOwnKeys = function ReflectOwnKeys(target) {
- return Object.getOwnPropertyNames(target);
- };
-}
-
-function ProcessEmitWarning(warning) {
- if (console && console.warn) console.warn(warning);
-}
-
-var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) {
- return value !== value;
-}
-
-function EventEmitter() {
- EventEmitter.init.call(this);
-}
-module.exports = EventEmitter;
-module.exports.once = once;
-
-// Backwards-compat with node 0.10.x
-EventEmitter.EventEmitter = EventEmitter;
-
-EventEmitter.prototype._events = undefined;
-EventEmitter.prototype._eventsCount = 0;
-EventEmitter.prototype._maxListeners = undefined;
-
-// By default EventEmitters will print a warning if more than 10 listeners are
-// added to it. This is a useful default which helps finding memory leaks.
-var defaultMaxListeners = 10;
-
-function checkListener(listener) {
- if (typeof listener !== 'function') {
- throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
- }
-}
-
-Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
- enumerable: true,
- get: function() {
- return defaultMaxListeners;
- },
- set: function(arg) {
- if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {
- throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.');
- }
- defaultMaxListeners = arg;
- }
-});
-
-EventEmitter.init = function() {
-
- if (this._events === undefined ||
- this._events === Object.getPrototypeOf(this)._events) {
- this._events = Object.create(null);
- this._eventsCount = 0;
- }
-
- this._maxListeners = this._maxListeners || undefined;
-};
-
-// Obviously not all Emitters should be limited to 10. This function allows
-// that to be increased. Set to zero for unlimited.
-EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
- if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {
- throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.');
- }
- this._maxListeners = n;
- return this;
-};
-
-function _getMaxListeners(that) {
- if (that._maxListeners === undefined)
- return EventEmitter.defaultMaxListeners;
- return that._maxListeners;
-}
-
-EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
- return _getMaxListeners(this);
-};
-
-EventEmitter.prototype.emit = function emit(type) {
- var args = [];
- for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);
- var doError = (type === 'error');
-
- var events = this._events;
- if (events !== undefined)
- doError = (doError && events.error === undefined);
- else if (!doError)
- return false;
-
- // If there is no 'error' event listener then throw.
- if (doError) {
- var er;
- if (args.length > 0)
- er = args[0];
- if (er instanceof Error) {
- // Note: The comments on the `throw` lines are intentional, they show
- // up in Node's output if this results in an unhandled exception.
- throw er; // Unhandled 'error' event
- }
- // At least give some kind of context to the user
- var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));
- err.context = er;
- throw err; // Unhandled 'error' event
- }
-
- var handler = events[type];
-
- if (handler === undefined)
- return false;
-
- if (typeof handler === 'function') {
- ReflectApply(handler, this, args);
- } else {
- var len = handler.length;
- var listeners = arrayClone(handler, len);
- for (var i = 0; i < len; ++i)
- ReflectApply(listeners[i], this, args);
- }
-
- return true;
-};
-
-function _addListener(target, type, listener, prepend) {
- var m;
- var events;
- var existing;
-
- checkListener(listener);
-
- events = target._events;
- if (events === undefined) {
- events = target._events = Object.create(null);
- target._eventsCount = 0;
- } else {
- // To avoid recursion in the case that type === "newListener"! Before
- // adding it to the listeners, first emit "newListener".
- if (events.newListener !== undefined) {
- target.emit('newListener', type,
- listener.listener ? listener.listener : listener);
-
- // Re-assign `events` because a newListener handler could have caused the
- // this._events to be assigned to a new object
- events = target._events;
- }
- existing = events[type];
- }
-
- if (existing === undefined) {
- // Optimize the case of one listener. Don't need the extra array object.
- existing = events[type] = listener;
- ++target._eventsCount;
- } else {
- if (typeof existing === 'function') {
- // Adding the second element, need to change to array.
- existing = events[type] =
- prepend ? [listener, existing] : [existing, listener];
- // If we've already got an array, just append.
- } else if (prepend) {
- existing.unshift(listener);
- } else {
- existing.push(listener);
- }
-
- // Check for listener leak
- m = _getMaxListeners(target);
- if (m > 0 && existing.length > m && !existing.warned) {
- existing.warned = true;
- // No error code for this since it is a Warning
- // eslint-disable-next-line no-restricted-syntax
- var w = new Error('Possible EventEmitter memory leak detected. ' +
- existing.length + ' ' + String(type) + ' listeners ' +
- 'added. Use emitter.setMaxListeners() to ' +
- 'increase limit');
- w.name = 'MaxListenersExceededWarning';
- w.emitter = target;
- w.type = type;
- w.count = existing.length;
- ProcessEmitWarning(w);
- }
- }
-
- return target;
-}
-
-EventEmitter.prototype.addListener = function addListener(type, listener) {
- return _addListener(this, type, listener, false);
-};
-
-EventEmitter.prototype.on = EventEmitter.prototype.addListener;
-
-EventEmitter.prototype.prependListener =
- function prependListener(type, listener) {
- return _addListener(this, type, listener, true);
- };
-
-function onceWrapper() {
- if (!this.fired) {
- this.target.removeListener(this.type, this.wrapFn);
- this.fired = true;
- if (arguments.length === 0)
- return this.listener.call(this.target);
- return this.listener.apply(this.target, arguments);
- }
-}
-
-function _onceWrap(target, type, listener) {
- var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };
- var wrapped = onceWrapper.bind(state);
- wrapped.listener = listener;
- state.wrapFn = wrapped;
- return wrapped;
-}
-
-EventEmitter.prototype.once = function once(type, listener) {
- checkListener(listener);
- this.on(type, _onceWrap(this, type, listener));
- return this;
-};
-
-EventEmitter.prototype.prependOnceListener =
- function prependOnceListener(type, listener) {
- checkListener(listener);
- this.prependListener(type, _onceWrap(this, type, listener));
- return this;
- };
-
-// Emits a 'removeListener' event if and only if the listener was removed.
-EventEmitter.prototype.removeListener =
- function removeListener(type, listener) {
- var list, events, position, i, originalListener;
-
- checkListener(listener);
-
- events = this._events;
- if (events === undefined)
- return this;
-
- list = events[type];
- if (list === undefined)
- return this;
-
- if (list === listener || list.listener === listener) {
- if (--this._eventsCount === 0)
- this._events = Object.create(null);
- else {
- delete events[type];
- if (events.removeListener)
- this.emit('removeListener', type, list.listener || listener);
- }
- } else if (typeof list !== 'function') {
- position = -1;
-
- for (i = list.length - 1; i >= 0; i--) {
- if (list[i] === listener || list[i].listener === listener) {
- originalListener = list[i].listener;
- position = i;
- break;
- }
- }
-
- if (position < 0)
- return this;
-
- if (position === 0)
- list.shift();
- else {
- spliceOne(list, position);
- }
-
- if (list.length === 1)
- events[type] = list[0];
-
- if (events.removeListener !== undefined)
- this.emit('removeListener', type, originalListener || listener);
- }
-
- return this;
- };
-
-EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
-
-EventEmitter.prototype.removeAllListeners =
- function removeAllListeners(type) {
- var listeners, events, i;
-
- events = this._events;
- if (events === undefined)
- return this;
-
- // not listening for removeListener, no need to emit
- if (events.removeListener === undefined) {
- if (arguments.length === 0) {
- this._events = Object.create(null);
- this._eventsCount = 0;
- } else if (events[type] !== undefined) {
- if (--this._eventsCount === 0)
- this._events = Object.create(null);
- else
- delete events[type];
- }
- return this;
- }
-
- // emit removeListener for all listeners on all events
- if (arguments.length === 0) {
- var keys = Object.keys(events);
- var key;
- for (i = 0; i < keys.length; ++i) {
- key = keys[i];
- if (key === 'removeListener') continue;
- this.removeAllListeners(key);
- }
- this.removeAllListeners('removeListener');
- this._events = Object.create(null);
- this._eventsCount = 0;
- return this;
- }
-
- listeners = events[type];
-
- if (typeof listeners === 'function') {
- this.removeListener(type, listeners);
- } else if (listeners !== undefined) {
- // LIFO order
- for (i = listeners.length - 1; i >= 0; i--) {
- this.removeListener(type, listeners[i]);
- }
- }
-
- return this;
- };
-
-function _listeners(target, type, unwrap) {
- var events = target._events;
-
- if (events === undefined)
- return [];
-
- var evlistener = events[type];
- if (evlistener === undefined)
- return [];
-
- if (typeof evlistener === 'function')
- return unwrap ? [evlistener.listener || evlistener] : [evlistener];
-
- return unwrap ?
- unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
-}
-
-EventEmitter.prototype.listeners = function listeners(type) {
- return _listeners(this, type, true);
-};
-
-EventEmitter.prototype.rawListeners = function rawListeners(type) {
- return _listeners(this, type, false);
-};
-
-EventEmitter.listenerCount = function(emitter, type) {
- if (typeof emitter.listenerCount === 'function') {
- return emitter.listenerCount(type);
- } else {
- return listenerCount.call(emitter, type);
- }
-};
-
-EventEmitter.prototype.listenerCount = listenerCount;
-function listenerCount(type) {
- var events = this._events;
-
- if (events !== undefined) {
- var evlistener = events[type];
-
- if (typeof evlistener === 'function') {
- return 1;
- } else if (evlistener !== undefined) {
- return evlistener.length;
- }
- }
-
- return 0;
-}
-
-EventEmitter.prototype.eventNames = function eventNames() {
- return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
-};
-
-function arrayClone(arr, n) {
- var copy = new Array(n);
- for (var i = 0; i < n; ++i)
- copy[i] = arr[i];
- return copy;
-}
-
-function spliceOne(list, index) {
- for (; index + 1 < list.length; index++)
- list[index] = list[index + 1];
- list.pop();
-}
-
-function unwrapListeners(arr) {
- var ret = new Array(arr.length);
- for (var i = 0; i < ret.length; ++i) {
- ret[i] = arr[i].listener || arr[i];
- }
- return ret;
-}
-
-function once(emitter, name) {
- return new Promise(function (resolve, reject) {
- function errorListener(err) {
- emitter.removeListener(name, resolver);
- reject(err);
- }
-
- function resolver() {
- if (typeof emitter.removeListener === 'function') {
- emitter.removeListener('error', errorListener);
- }
- resolve([].slice.call(arguments));
- };
-
- eventTargetAgnosticAddListener(emitter, name, resolver, { once: true });
- if (name !== 'error') {
- addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true });
- }
- });
-}
-
-function addErrorHandlerIfEventEmitter(emitter, handler, flags) {
- if (typeof emitter.on === 'function') {
- eventTargetAgnosticAddListener(emitter, 'error', handler, flags);
- }
-}
-
-function eventTargetAgnosticAddListener(emitter, name, listener, flags) {
- if (typeof emitter.on === 'function') {
- if (flags.once) {
- emitter.once(name, listener);
- } else {
- emitter.on(name, listener);
- }
- } else if (typeof emitter.addEventListener === 'function') {
- // EventTarget does not have `error` event semantics like Node
- // EventEmitters, we do not listen for `error` events here.
- emitter.addEventListener(name, function wrapListener(arg) {
- // IE does not have builtin `{ once: true }` support so we
- // have to do it manually.
- if (flags.once) {
- emitter.removeEventListener(name, wrapListener);
- }
- listener(arg);
- });
- } else {
- throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter);
- }
-}
-
-},{}],5:[function(require,module,exports){
-/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh */
-exports.read = function (buffer, offset, isLE, mLen, nBytes) {
- var e, m
- var eLen = (nBytes * 8) - mLen - 1
- var eMax = (1 << eLen) - 1
- var eBias = eMax >> 1
- var nBits = -7
- var i = isLE ? (nBytes - 1) : 0
- var d = isLE ? -1 : 1
- var s = buffer[offset + i]
-
- i += d
-
- e = s & ((1 << (-nBits)) - 1)
- s >>= (-nBits)
- nBits += eLen
- for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}
-
- m = e & ((1 << (-nBits)) - 1)
- e >>= (-nBits)
- nBits += mLen
- for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}
-
- if (e === 0) {
- e = 1 - eBias
- } else if (e === eMax) {
- return m ? NaN : ((s ? -1 : 1) * Infinity)
- } else {
- m = m + Math.pow(2, mLen)
- e = e - eBias
- }
- return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
-}
-
-exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
- var e, m, c
- var eLen = (nBytes * 8) - mLen - 1
- var eMax = (1 << eLen) - 1
- var eBias = eMax >> 1
- var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
- var i = isLE ? 0 : (nBytes - 1)
- var d = isLE ? 1 : -1
- var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
-
- value = Math.abs(value)
-
- if (isNaN(value) || value === Infinity) {
- m = isNaN(value) ? 1 : 0
- e = eMax
- } else {
- e = Math.floor(Math.log(value) / Math.LN2)
- if (value * (c = Math.pow(2, -e)) < 1) {
- e--
- c *= 2
- }
- if (e + eBias >= 1) {
- value += rt / c
- } else {
- value += rt * Math.pow(2, 1 - eBias)
- }
- if (value * c >= 2) {
- e++
- c /= 2
- }
-
- if (e + eBias >= eMax) {
- m = 0
- e = eMax
- } else if (e + eBias >= 1) {
- m = ((value * c) - 1) * Math.pow(2, mLen)
- e = e + eBias
- } else {
- m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
- e = 0
- }
- }
-
- for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
-
- e = (e << mLen) | m
- eLen += mLen
- for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
-
- buffer[offset + i - d] |= s * 128
-}
-
-},{}],6:[function(require,module,exports){
-if (typeof Object.create === 'function') {
- // implementation from standard node.js 'util' module
- module.exports = function inherits(ctor, superCtor) {
- if (superCtor) {
- ctor.super_ = superCtor
- ctor.prototype = Object.create(superCtor.prototype, {
- constructor: {
- value: ctor,
- enumerable: false,
- writable: true,
- configurable: true
- }
- })
- }
- };
-} else {
- // old school shim for old browsers
- module.exports = function inherits(ctor, superCtor) {
- if (superCtor) {
- ctor.super_ = superCtor
- var TempCtor = function () {}
- TempCtor.prototype = superCtor.prototype
- ctor.prototype = new TempCtor()
- ctor.prototype.constructor = ctor
- }
- }
-}
-
-},{}],7:[function(require,module,exports){
-// shim for using process in browser
-var process = module.exports = {};
-
-// cached from whatever global is present so that test runners that stub it
-// don't break things. But we need to wrap it in a try catch in case it is
-// wrapped in strict mode code which doesn't define any globals. It's inside a
-// function because try/catches deoptimize in certain engines.
-
-var cachedSetTimeout;
-var cachedClearTimeout;
-
-function defaultSetTimout() {
- throw new Error('setTimeout has not been defined');
-}
-function defaultClearTimeout () {
- throw new Error('clearTimeout has not been defined');
-}
-(function () {
- try {
- if (typeof setTimeout === 'function') {
- cachedSetTimeout = setTimeout;
- } else {
- cachedSetTimeout = defaultSetTimout;
- }
- } catch (e) {
- cachedSetTimeout = defaultSetTimout;
- }
- try {
- if (typeof clearTimeout === 'function') {
- cachedClearTimeout = clearTimeout;
- } else {
- cachedClearTimeout = defaultClearTimeout;
- }
- } catch (e) {
- cachedClearTimeout = defaultClearTimeout;
- }
-} ())
-function runTimeout(fun) {
- if (cachedSetTimeout === setTimeout) {
- //normal enviroments in sane situations
- return setTimeout(fun, 0);
- }
- // if setTimeout wasn't available but was latter defined
- if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
- cachedSetTimeout = setTimeout;
- return setTimeout(fun, 0);
- }
- try {
- // when when somebody has screwed with setTimeout but no I.E. maddness
- return cachedSetTimeout(fun, 0);
- } catch(e){
- try {
- // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
- return cachedSetTimeout.call(null, fun, 0);
- } catch(e){
- // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
- return cachedSetTimeout.call(this, fun, 0);
- }
- }
-
-
-}
-function runClearTimeout(marker) {
- if (cachedClearTimeout === clearTimeout) {
- //normal enviroments in sane situations
- return clearTimeout(marker);
- }
- // if clearTimeout wasn't available but was latter defined
- if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
- cachedClearTimeout = clearTimeout;
- return clearTimeout(marker);
- }
- try {
- // when when somebody has screwed with setTimeout but no I.E. maddness
- return cachedClearTimeout(marker);
- } catch (e){
- try {
- // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
- return cachedClearTimeout.call(null, marker);
- } catch (e){
- // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
- // Some versions of I.E. have different rules for clearTimeout vs setTimeout
- return cachedClearTimeout.call(this, marker);
- }
- }
-
-
-
-}
-var queue = [];
-var draining = false;
-var currentQueue;
-var queueIndex = -1;
-
-function cleanUpNextTick() {
- if (!draining || !currentQueue) {
- return;
- }
- draining = false;
- if (currentQueue.length) {
- queue = currentQueue.concat(queue);
- } else {
- queueIndex = -1;
- }
- if (queue.length) {
- drainQueue();
- }
-}
-
-function drainQueue() {
- if (draining) {
- return;
- }
- var timeout = runTimeout(cleanUpNextTick);
- draining = true;
-
- var len = queue.length;
- while(len) {
- currentQueue = queue;
- queue = [];
- while (++queueIndex < len) {
- if (currentQueue) {
- currentQueue[queueIndex].run();
- }
- }
- queueIndex = -1;
- len = queue.length;
- }
- currentQueue = null;
- draining = false;
- runClearTimeout(timeout);
-}
-
-process.nextTick = function (fun) {
- var args = new Array(arguments.length - 1);
- if (arguments.length > 1) {
- for (var i = 1; i < arguments.length; i++) {
- args[i - 1] = arguments[i];
- }
- }
- queue.push(new Item(fun, args));
- if (queue.length === 1 && !draining) {
- runTimeout(drainQueue);
- }
-};
-
-// v8 likes predictible objects
-function Item(fun, array) {
- this.fun = fun;
- this.array = array;
-}
-Item.prototype.run = function () {
- this.fun.apply(null, this.array);
-};
-process.title = 'browser';
-process.browser = true;
-process.env = {};
-process.argv = [];
-process.version = ''; // empty string to avoid regexp issues
-process.versions = {};
-
-function noop() {}
-
-process.on = noop;
-process.addListener = noop;
-process.once = noop;
-process.off = noop;
-process.removeListener = noop;
-process.removeAllListeners = noop;
-process.emit = noop;
-process.prependListener = noop;
-process.prependOnceListener = noop;
-
-process.listeners = function (name) { return [] }
-
-process.binding = function (name) {
- throw new Error('process.binding is not supported');
-};
-
-process.cwd = function () { return '/' };
-process.chdir = function (dir) {
- throw new Error('process.chdir is not supported');
-};
-process.umask = function() { return 0; };
-
-},{}],8:[function(require,module,exports){
-/*! safe-buffer. MIT License. Feross Aboukhadijeh */
-/* eslint-disable node/no-deprecated-api */
-var buffer = require('buffer')
-var Buffer = buffer.Buffer
-
-// alternative to using Object.keys for old browsers
-function copyProps (src, dst) {
- for (var key in src) {
- dst[key] = src[key]
- }
-}
-if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
- module.exports = buffer
-} else {
- // Copy properties from require('buffer')
- copyProps(buffer, exports)
- exports.Buffer = SafeBuffer
-}
-
-function SafeBuffer (arg, encodingOrOffset, length) {
- return Buffer(arg, encodingOrOffset, length)
-}
-
-SafeBuffer.prototype = Object.create(Buffer.prototype)
-
-// Copy static methods from Buffer
-copyProps(Buffer, SafeBuffer)
-
-SafeBuffer.from = function (arg, encodingOrOffset, length) {
- if (typeof arg === 'number') {
- throw new TypeError('Argument must not be a number')
- }
- return Buffer(arg, encodingOrOffset, length)
-}
-
-SafeBuffer.alloc = function (size, fill, encoding) {
- if (typeof size !== 'number') {
- throw new TypeError('Argument must be a number')
- }
- var buf = Buffer(size)
- if (fill !== undefined) {
- if (typeof encoding === 'string') {
- buf.fill(fill, encoding)
- } else {
- buf.fill(fill)
- }
- } else {
- buf.fill(0)
- }
- return buf
-}
-
-SafeBuffer.allocUnsafe = function (size) {
- if (typeof size !== 'number') {
- throw new TypeError('Argument must be a number')
- }
- return Buffer(size)
-}
-
-SafeBuffer.allocUnsafeSlow = function (size) {
- if (typeof size !== 'number') {
- throw new TypeError('Argument must be a number')
- }
- return buffer.SlowBuffer(size)
-}
-
-},{"buffer":3}],9:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-module.exports = Stream;
-
-var EE = require('events').EventEmitter;
-var inherits = require('inherits');
-
-inherits(Stream, EE);
-Stream.Readable = require('readable-stream/lib/_stream_readable.js');
-Stream.Writable = require('readable-stream/lib/_stream_writable.js');
-Stream.Duplex = require('readable-stream/lib/_stream_duplex.js');
-Stream.Transform = require('readable-stream/lib/_stream_transform.js');
-Stream.PassThrough = require('readable-stream/lib/_stream_passthrough.js');
-Stream.finished = require('readable-stream/lib/internal/streams/end-of-stream.js')
-Stream.pipeline = require('readable-stream/lib/internal/streams/pipeline.js')
-
-// Backwards-compat with node 0.4.x
-Stream.Stream = Stream;
-
-
-
-// old-style streams. Note that the pipe method (the only relevant
-// part of this class) is overridden in the Readable class.
-
-function Stream() {
- EE.call(this);
-}
-
-Stream.prototype.pipe = function(dest, options) {
- var source = this;
-
- function ondata(chunk) {
- if (dest.writable) {
- if (false === dest.write(chunk) && source.pause) {
- source.pause();
- }
- }
- }
-
- source.on('data', ondata);
-
- function ondrain() {
- if (source.readable && source.resume) {
- source.resume();
- }
- }
-
- dest.on('drain', ondrain);
-
- // If the 'end' option is not supplied, dest.end() will be called when
- // source gets the 'end' or 'close' events. Only dest.end() once.
- if (!dest._isStdio && (!options || options.end !== false)) {
- source.on('end', onend);
- source.on('close', onclose);
- }
-
- var didOnEnd = false;
- function onend() {
- if (didOnEnd) return;
- didOnEnd = true;
-
- dest.end();
- }
-
-
- function onclose() {
- if (didOnEnd) return;
- didOnEnd = true;
-
- if (typeof dest.destroy === 'function') dest.destroy();
- }
-
- // don't leave dangling pipes when there are errors.
- function onerror(er) {
- cleanup();
- if (EE.listenerCount(this, 'error') === 0) {
- throw er; // Unhandled stream error in pipe.
- }
- }
-
- source.on('error', onerror);
- dest.on('error', onerror);
-
- // remove all the event listeners that were added.
- function cleanup() {
- source.removeListener('data', ondata);
- dest.removeListener('drain', ondrain);
-
- source.removeListener('end', onend);
- source.removeListener('close', onclose);
-
- source.removeListener('error', onerror);
- dest.removeListener('error', onerror);
-
- source.removeListener('end', cleanup);
- source.removeListener('close', cleanup);
-
- dest.removeListener('close', cleanup);
- }
-
- source.on('end', cleanup);
- source.on('close', cleanup);
-
- dest.on('close', cleanup);
-
- dest.emit('pipe', source);
-
- // Allow for unix-like usage: A.pipe(B).pipe(C)
- return dest;
-};
-
-},{"events":4,"inherits":6,"readable-stream/lib/_stream_duplex.js":11,"readable-stream/lib/_stream_passthrough.js":12,"readable-stream/lib/_stream_readable.js":13,"readable-stream/lib/_stream_transform.js":14,"readable-stream/lib/_stream_writable.js":15,"readable-stream/lib/internal/streams/end-of-stream.js":19,"readable-stream/lib/internal/streams/pipeline.js":21}],10:[function(require,module,exports){
-'use strict';
-
-function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }
-
-var codes = {};
-
-function createErrorType(code, message, Base) {
- if (!Base) {
- Base = Error;
- }
-
- function getMessage(arg1, arg2, arg3) {
- if (typeof message === 'string') {
- return message;
- } else {
- return message(arg1, arg2, arg3);
- }
- }
-
- var NodeError =
- /*#__PURE__*/
- function (_Base) {
- _inheritsLoose(NodeError, _Base);
-
- function NodeError(arg1, arg2, arg3) {
- return _Base.call(this, getMessage(arg1, arg2, arg3)) || this;
- }
-
- return NodeError;
- }(Base);
-
- NodeError.prototype.name = Base.name;
- NodeError.prototype.code = code;
- codes[code] = NodeError;
-} // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js
-
-
-function oneOf(expected, thing) {
- if (Array.isArray(expected)) {
- var len = expected.length;
- expected = expected.map(function (i) {
- return String(i);
- });
-
- if (len > 2) {
- return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1];
- } else if (len === 2) {
- return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]);
- } else {
- return "of ".concat(thing, " ").concat(expected[0]);
- }
- } else {
- return "of ".concat(thing, " ").concat(String(expected));
- }
-} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith
-
-
-function startsWith(str, search, pos) {
- return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search;
-} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith
-
-
-function endsWith(str, search, this_len) {
- if (this_len === undefined || this_len > str.length) {
- this_len = str.length;
- }
-
- return str.substring(this_len - search.length, this_len) === search;
-} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes
-
-
-function includes(str, search, start) {
- if (typeof start !== 'number') {
- start = 0;
- }
-
- if (start + search.length > str.length) {
- return false;
- } else {
- return str.indexOf(search, start) !== -1;
- }
-}
-
-createErrorType('ERR_INVALID_OPT_VALUE', function (name, value) {
- return 'The value "' + value + '" is invalid for option "' + name + '"';
-}, TypeError);
-createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) {
- // determiner: 'must be' or 'must not be'
- var determiner;
-
- if (typeof expected === 'string' && startsWith(expected, 'not ')) {
- determiner = 'must not be';
- expected = expected.replace(/^not /, '');
- } else {
- determiner = 'must be';
- }
-
- var msg;
-
- if (endsWith(name, ' argument')) {
- // For cases like 'first argument'
- msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
- } else {
- var type = includes(name, '.') ? 'property' : 'argument';
- msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type'));
- }
-
- msg += ". Received type ".concat(typeof actual);
- return msg;
-}, TypeError);
-createErrorType('ERR_STREAM_PUSH_AFTER_EOF', 'stream.push() after EOF');
-createErrorType('ERR_METHOD_NOT_IMPLEMENTED', function (name) {
- return 'The ' + name + ' method is not implemented';
-});
-createErrorType('ERR_STREAM_PREMATURE_CLOSE', 'Premature close');
-createErrorType('ERR_STREAM_DESTROYED', function (name) {
- return 'Cannot call ' + name + ' after a stream was destroyed';
-});
-createErrorType('ERR_MULTIPLE_CALLBACK', 'Callback called multiple times');
-createErrorType('ERR_STREAM_CANNOT_PIPE', 'Cannot pipe, not readable');
-createErrorType('ERR_STREAM_WRITE_AFTER_END', 'write after end');
-createErrorType('ERR_STREAM_NULL_VALUES', 'May not write null values to stream', TypeError);
-createErrorType('ERR_UNKNOWN_ENCODING', function (arg) {
- return 'Unknown encoding: ' + arg;
-}, TypeError);
-createErrorType('ERR_STREAM_UNSHIFT_AFTER_END_EVENT', 'stream.unshift() after end event');
-module.exports.codes = codes;
-
-},{}],11:[function(require,module,exports){
-(function (process){(function (){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-// a duplex stream is just a stream that is both readable and writable.
-// Since JS doesn't have multiple prototypal inheritance, this class
-// prototypally inherits from Readable, and then parasitically from
-// Writable.
-'use strict';
-/**/
-
-var objectKeys = Object.keys || function (obj) {
- var keys = [];
-
- for (var key in obj) {
- keys.push(key);
- }
-
- return keys;
-};
-/**/
-
-
-module.exports = Duplex;
-
-var Readable = require('./_stream_readable');
-
-var Writable = require('./_stream_writable');
-
-require('inherits')(Duplex, Readable);
-
-{
- // Allow the keys array to be GC'ed.
- var keys = objectKeys(Writable.prototype);
-
- for (var v = 0; v < keys.length; v++) {
- var method = keys[v];
- if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
- }
-}
-
-function Duplex(options) {
- if (!(this instanceof Duplex)) return new Duplex(options);
- Readable.call(this, options);
- Writable.call(this, options);
- this.allowHalfOpen = true;
-
- if (options) {
- if (options.readable === false) this.readable = false;
- if (options.writable === false) this.writable = false;
-
- if (options.allowHalfOpen === false) {
- this.allowHalfOpen = false;
- this.once('end', onend);
- }
- }
-}
-
-Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._writableState.highWaterMark;
- }
-});
-Object.defineProperty(Duplex.prototype, 'writableBuffer', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._writableState && this._writableState.getBuffer();
- }
-});
-Object.defineProperty(Duplex.prototype, 'writableLength', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._writableState.length;
- }
-}); // the no-half-open enforcer
-
-function onend() {
- // If the writable side ended, then we're ok.
- if (this._writableState.ended) return; // no more data can be written.
- // But allow more writes to happen in this tick.
-
- process.nextTick(onEndNT, this);
-}
-
-function onEndNT(self) {
- self.end();
-}
-
-Object.defineProperty(Duplex.prototype, 'destroyed', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- if (this._readableState === undefined || this._writableState === undefined) {
- return false;
- }
-
- return this._readableState.destroyed && this._writableState.destroyed;
- },
- set: function set(value) {
- // we ignore the value if the stream
- // has not been initialized yet
- if (this._readableState === undefined || this._writableState === undefined) {
- return;
- } // backward compatibility, the user is explicitly
- // managing destroyed
-
-
- this._readableState.destroyed = value;
- this._writableState.destroyed = value;
- }
-});
-}).call(this)}).call(this,require('_process'))
-},{"./_stream_readable":13,"./_stream_writable":15,"_process":7,"inherits":6}],12:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-// a passthrough stream.
-// basically just the most minimal sort of Transform stream.
-// Every written chunk gets output as-is.
-'use strict';
-
-module.exports = PassThrough;
-
-var Transform = require('./_stream_transform');
-
-require('inherits')(PassThrough, Transform);
-
-function PassThrough(options) {
- if (!(this instanceof PassThrough)) return new PassThrough(options);
- Transform.call(this, options);
-}
-
-PassThrough.prototype._transform = function (chunk, encoding, cb) {
- cb(null, chunk);
-};
-},{"./_stream_transform":14,"inherits":6}],13:[function(require,module,exports){
-(function (process,global){(function (){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-'use strict';
-
-module.exports = Readable;
-/**/
-
-var Duplex;
-/**/
-
-Readable.ReadableState = ReadableState;
-/**/
-
-var EE = require('events').EventEmitter;
-
-var EElistenerCount = function EElistenerCount(emitter, type) {
- return emitter.listeners(type).length;
-};
-/**/
-
-/**/
-
-
-var Stream = require('./internal/streams/stream');
-/**/
-
-
-var Buffer = require('buffer').Buffer;
-
-var OurUint8Array = global.Uint8Array || function () {};
-
-function _uint8ArrayToBuffer(chunk) {
- return Buffer.from(chunk);
-}
-
-function _isUint8Array(obj) {
- return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
-}
-/**/
-
-
-var debugUtil = require('util');
-
-var debug;
-
-if (debugUtil && debugUtil.debuglog) {
- debug = debugUtil.debuglog('stream');
-} else {
- debug = function debug() {};
-}
-/**/
-
-
-var BufferList = require('./internal/streams/buffer_list');
-
-var destroyImpl = require('./internal/streams/destroy');
-
-var _require = require('./internal/streams/state'),
- getHighWaterMark = _require.getHighWaterMark;
-
-var _require$codes = require('../errors').codes,
- ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
- ERR_STREAM_PUSH_AFTER_EOF = _require$codes.ERR_STREAM_PUSH_AFTER_EOF,
- ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
- ERR_STREAM_UNSHIFT_AFTER_END_EVENT = _require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT; // Lazy loaded to improve the startup performance.
-
-
-var StringDecoder;
-var createReadableStreamAsyncIterator;
-var from;
-
-require('inherits')(Readable, Stream);
-
-var errorOrDestroy = destroyImpl.errorOrDestroy;
-var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
-
-function prependListener(emitter, event, fn) {
- // Sadly this is not cacheable as some libraries bundle their own
- // event emitter implementation with them.
- if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn); // This is a hack to make sure that our error handler is attached before any
- // userland ones. NEVER DO THIS. This is here only because this code needs
- // to continue to work with older versions of Node.js that do not include
- // the prependListener() method. The goal is to eventually remove this hack.
-
- if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (Array.isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
-}
-
-function ReadableState(options, stream, isDuplex) {
- Duplex = Duplex || require('./_stream_duplex');
- options = options || {}; // Duplex streams are both readable and writable, but share
- // the same options object.
- // However, some cases require setting options to different
- // values for the readable and the writable sides of the duplex stream.
- // These options can be provided separately as readableXXX and writableXXX.
-
- if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag. Used to make read(n) ignore n and to
- // make all the buffer merging and length checks go away
-
- this.objectMode = !!options.objectMode;
- if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode; // the point at which it stops calling _read() to fill the buffer
- // Note: 0 is a valid value, means "don't call _read preemptively ever"
-
- this.highWaterMark = getHighWaterMark(this, options, 'readableHighWaterMark', isDuplex); // A linked list is used to store data chunks instead of an array because the
- // linked list can remove elements from the beginning faster than
- // array.shift()
-
- this.buffer = new BufferList();
- this.length = 0;
- this.pipes = null;
- this.pipesCount = 0;
- this.flowing = null;
- this.ended = false;
- this.endEmitted = false;
- this.reading = false; // a flag to be able to tell if the event 'readable'/'data' is emitted
- // immediately, or on a later tick. We set this to true at first, because
- // any actions that shouldn't happen until "later" should generally also
- // not happen before the first read call.
-
- this.sync = true; // whenever we return null, then we set a flag to say
- // that we're awaiting a 'readable' event emission.
-
- this.needReadable = false;
- this.emittedReadable = false;
- this.readableListening = false;
- this.resumeScheduled = false;
- this.paused = true; // Should close be emitted on destroy. Defaults to true.
-
- this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'end' (and potentially 'finish')
-
- this.autoDestroy = !!options.autoDestroy; // has it been destroyed
-
- this.destroyed = false; // Crypto is kind of old and crusty. Historically, its default string
- // encoding is 'binary' so we have to make this configurable.
- // Everything else in the universe uses 'utf8', though.
-
- this.defaultEncoding = options.defaultEncoding || 'utf8'; // the number of writers that are awaiting a drain event in .pipe()s
-
- this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled
-
- this.readingMore = false;
- this.decoder = null;
- this.encoding = null;
-
- if (options.encoding) {
- if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
- this.decoder = new StringDecoder(options.encoding);
- this.encoding = options.encoding;
- }
-}
-
-function Readable(options) {
- Duplex = Duplex || require('./_stream_duplex');
- if (!(this instanceof Readable)) return new Readable(options); // Checking for a Stream.Duplex instance is faster here instead of inside
- // the ReadableState constructor, at least with V8 6.5
-
- var isDuplex = this instanceof Duplex;
- this._readableState = new ReadableState(options, this, isDuplex); // legacy
-
- this.readable = true;
-
- if (options) {
- if (typeof options.read === 'function') this._read = options.read;
- if (typeof options.destroy === 'function') this._destroy = options.destroy;
- }
-
- Stream.call(this);
-}
-
-Object.defineProperty(Readable.prototype, 'destroyed', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- if (this._readableState === undefined) {
- return false;
- }
-
- return this._readableState.destroyed;
- },
- set: function set(value) {
- // we ignore the value if the stream
- // has not been initialized yet
- if (!this._readableState) {
- return;
- } // backward compatibility, the user is explicitly
- // managing destroyed
-
-
- this._readableState.destroyed = value;
- }
-});
-Readable.prototype.destroy = destroyImpl.destroy;
-Readable.prototype._undestroy = destroyImpl.undestroy;
-
-Readable.prototype._destroy = function (err, cb) {
- cb(err);
-}; // Manually shove something into the read() buffer.
-// This returns true if the highWaterMark has not been hit yet,
-// similar to how Writable.write() returns true if you should
-// write() some more.
-
-
-Readable.prototype.push = function (chunk, encoding) {
- var state = this._readableState;
- var skipChunkCheck;
-
- if (!state.objectMode) {
- if (typeof chunk === 'string') {
- encoding = encoding || state.defaultEncoding;
-
- if (encoding !== state.encoding) {
- chunk = Buffer.from(chunk, encoding);
- encoding = '';
- }
-
- skipChunkCheck = true;
- }
- } else {
- skipChunkCheck = true;
- }
-
- return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
-}; // Unshift should *always* be something directly out of read()
-
-
-Readable.prototype.unshift = function (chunk) {
- return readableAddChunk(this, chunk, null, true, false);
-};
-
-function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
- debug('readableAddChunk', chunk);
- var state = stream._readableState;
-
- if (chunk === null) {
- state.reading = false;
- onEofChunk(stream, state);
- } else {
- var er;
- if (!skipChunkCheck) er = chunkInvalid(state, chunk);
-
- if (er) {
- errorOrDestroy(stream, er);
- } else if (state.objectMode || chunk && chunk.length > 0) {
- if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
- chunk = _uint8ArrayToBuffer(chunk);
- }
-
- if (addToFront) {
- if (state.endEmitted) errorOrDestroy(stream, new ERR_STREAM_UNSHIFT_AFTER_END_EVENT());else addChunk(stream, state, chunk, true);
- } else if (state.ended) {
- errorOrDestroy(stream, new ERR_STREAM_PUSH_AFTER_EOF());
- } else if (state.destroyed) {
- return false;
- } else {
- state.reading = false;
-
- if (state.decoder && !encoding) {
- chunk = state.decoder.write(chunk);
- if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
- } else {
- addChunk(stream, state, chunk, false);
- }
- }
- } else if (!addToFront) {
- state.reading = false;
- maybeReadMore(stream, state);
- }
- } // We can push more data if we are below the highWaterMark.
- // Also, if we have no data yet, we can stand some more bytes.
- // This is to work around cases where hwm=0, such as the repl.
-
-
- return !state.ended && (state.length < state.highWaterMark || state.length === 0);
-}
-
-function addChunk(stream, state, chunk, addToFront) {
- if (state.flowing && state.length === 0 && !state.sync) {
- state.awaitDrain = 0;
- stream.emit('data', chunk);
- } else {
- // update the buffer info.
- state.length += state.objectMode ? 1 : chunk.length;
- if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
- if (state.needReadable) emitReadable(stream);
- }
-
- maybeReadMore(stream, state);
-}
-
-function chunkInvalid(state, chunk) {
- var er;
-
- if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
- er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer', 'Uint8Array'], chunk);
- }
-
- return er;
-}
-
-Readable.prototype.isPaused = function () {
- return this._readableState.flowing === false;
-}; // backwards compatibility.
-
-
-Readable.prototype.setEncoding = function (enc) {
- if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
- var decoder = new StringDecoder(enc);
- this._readableState.decoder = decoder; // If setEncoding(null), decoder.encoding equals utf8
-
- this._readableState.encoding = this._readableState.decoder.encoding; // Iterate over current buffer to convert already stored Buffers:
-
- var p = this._readableState.buffer.head;
- var content = '';
-
- while (p !== null) {
- content += decoder.write(p.data);
- p = p.next;
- }
-
- this._readableState.buffer.clear();
-
- if (content !== '') this._readableState.buffer.push(content);
- this._readableState.length = content.length;
- return this;
-}; // Don't raise the hwm > 1GB
-
-
-var MAX_HWM = 0x40000000;
-
-function computeNewHighWaterMark(n) {
- if (n >= MAX_HWM) {
- // TODO(ronag): Throw ERR_VALUE_OUT_OF_RANGE.
- n = MAX_HWM;
- } else {
- // Get the next highest power of 2 to prevent increasing hwm excessively in
- // tiny amounts
- n--;
- n |= n >>> 1;
- n |= n >>> 2;
- n |= n >>> 4;
- n |= n >>> 8;
- n |= n >>> 16;
- n++;
- }
-
- return n;
-} // This function is designed to be inlinable, so please take care when making
-// changes to the function body.
-
-
-function howMuchToRead(n, state) {
- if (n <= 0 || state.length === 0 && state.ended) return 0;
- if (state.objectMode) return 1;
-
- if (n !== n) {
- // Only flow one buffer at a time
- if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
- } // If we're asking for more than the current hwm, then raise the hwm.
-
-
- if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
- if (n <= state.length) return n; // Don't have enough
-
- if (!state.ended) {
- state.needReadable = true;
- return 0;
- }
-
- return state.length;
-} // you can override either this method, or the async _read(n) below.
-
-
-Readable.prototype.read = function (n) {
- debug('read', n);
- n = parseInt(n, 10);
- var state = this._readableState;
- var nOrig = n;
- if (n !== 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we
- // already have a bunch of data in the buffer, then just trigger
- // the 'readable' event and move on.
-
- if (n === 0 && state.needReadable && ((state.highWaterMark !== 0 ? state.length >= state.highWaterMark : state.length > 0) || state.ended)) {
- debug('read: emitReadable', state.length, state.ended);
- if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
- return null;
- }
-
- n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up.
-
- if (n === 0 && state.ended) {
- if (state.length === 0) endReadable(this);
- return null;
- } // All the actual chunk generation logic needs to be
- // *below* the call to _read. The reason is that in certain
- // synthetic stream cases, such as passthrough streams, _read
- // may be a completely synchronous operation which may change
- // the state of the read buffer, providing enough data when
- // before there was *not* enough.
- //
- // So, the steps are:
- // 1. Figure out what the state of things will be after we do
- // a read from the buffer.
- //
- // 2. If that resulting state will trigger a _read, then call _read.
- // Note that this may be asynchronous, or synchronous. Yes, it is
- // deeply ugly to write APIs this way, but that still doesn't mean
- // that the Readable class should behave improperly, as streams are
- // designed to be sync/async agnostic.
- // Take note if the _read call is sync or async (ie, if the read call
- // has returned yet), so that we know whether or not it's safe to emit
- // 'readable' etc.
- //
- // 3. Actually pull the requested chunks out of the buffer and return.
- // if we need a readable event, then we need to do some reading.
-
-
- var doRead = state.needReadable;
- debug('need readable', doRead); // if we currently have less than the highWaterMark, then also read some
-
- if (state.length === 0 || state.length - n < state.highWaterMark) {
- doRead = true;
- debug('length less than watermark', doRead);
- } // however, if we've ended, then there's no point, and if we're already
- // reading, then it's unnecessary.
-
-
- if (state.ended || state.reading) {
- doRead = false;
- debug('reading or ended', doRead);
- } else if (doRead) {
- debug('do read');
- state.reading = true;
- state.sync = true; // if the length is currently zero, then we *need* a readable event.
-
- if (state.length === 0) state.needReadable = true; // call internal read method
-
- this._read(state.highWaterMark);
-
- state.sync = false; // If _read pushed data synchronously, then `reading` will be false,
- // and we need to re-evaluate how much data we can return to the user.
-
- if (!state.reading) n = howMuchToRead(nOrig, state);
- }
-
- var ret;
- if (n > 0) ret = fromList(n, state);else ret = null;
-
- if (ret === null) {
- state.needReadable = state.length <= state.highWaterMark;
- n = 0;
- } else {
- state.length -= n;
- state.awaitDrain = 0;
- }
-
- if (state.length === 0) {
- // If we have nothing in the buffer, then we want to know
- // as soon as we *do* get something into the buffer.
- if (!state.ended) state.needReadable = true; // If we tried to read() past the EOF, then emit end on the next tick.
-
- if (nOrig !== n && state.ended) endReadable(this);
- }
-
- if (ret !== null) this.emit('data', ret);
- return ret;
-};
-
-function onEofChunk(stream, state) {
- debug('onEofChunk');
- if (state.ended) return;
-
- if (state.decoder) {
- var chunk = state.decoder.end();
-
- if (chunk && chunk.length) {
- state.buffer.push(chunk);
- state.length += state.objectMode ? 1 : chunk.length;
- }
- }
-
- state.ended = true;
-
- if (state.sync) {
- // if we are sync, wait until next tick to emit the data.
- // Otherwise we risk emitting data in the flow()
- // the readable code triggers during a read() call
- emitReadable(stream);
- } else {
- // emit 'readable' now to make sure it gets picked up.
- state.needReadable = false;
-
- if (!state.emittedReadable) {
- state.emittedReadable = true;
- emitReadable_(stream);
- }
- }
-} // Don't emit readable right away in sync mode, because this can trigger
-// another read() call => stack overflow. This way, it might trigger
-// a nextTick recursion warning, but that's not so bad.
-
-
-function emitReadable(stream) {
- var state = stream._readableState;
- debug('emitReadable', state.needReadable, state.emittedReadable);
- state.needReadable = false;
-
- if (!state.emittedReadable) {
- debug('emitReadable', state.flowing);
- state.emittedReadable = true;
- process.nextTick(emitReadable_, stream);
- }
-}
-
-function emitReadable_(stream) {
- var state = stream._readableState;
- debug('emitReadable_', state.destroyed, state.length, state.ended);
-
- if (!state.destroyed && (state.length || state.ended)) {
- stream.emit('readable');
- state.emittedReadable = false;
- } // The stream needs another readable event if
- // 1. It is not flowing, as the flow mechanism will take
- // care of it.
- // 2. It is not ended.
- // 3. It is below the highWaterMark, so we can schedule
- // another readable later.
-
-
- state.needReadable = !state.flowing && !state.ended && state.length <= state.highWaterMark;
- flow(stream);
-} // at this point, the user has presumably seen the 'readable' event,
-// and called read() to consume some data. that may have triggered
-// in turn another _read(n) call, in which case reading = true if
-// it's in progress.
-// However, if we're not ended, or reading, and the length < hwm,
-// then go ahead and try to read some more preemptively.
-
-
-function maybeReadMore(stream, state) {
- if (!state.readingMore) {
- state.readingMore = true;
- process.nextTick(maybeReadMore_, stream, state);
- }
-}
-
-function maybeReadMore_(stream, state) {
- // Attempt to read more data if we should.
- //
- // The conditions for reading more data are (one of):
- // - Not enough data buffered (state.length < state.highWaterMark). The loop
- // is responsible for filling the buffer with enough data if such data
- // is available. If highWaterMark is 0 and we are not in the flowing mode
- // we should _not_ attempt to buffer any extra data. We'll get more data
- // when the stream consumer calls read() instead.
- // - No data in the buffer, and the stream is in flowing mode. In this mode
- // the loop below is responsible for ensuring read() is called. Failing to
- // call read here would abort the flow and there's no other mechanism for
- // continuing the flow if the stream consumer has just subscribed to the
- // 'data' event.
- //
- // In addition to the above conditions to keep reading data, the following
- // conditions prevent the data from being read:
- // - The stream has ended (state.ended).
- // - There is already a pending 'read' operation (state.reading). This is a
- // case where the the stream has called the implementation defined _read()
- // method, but they are processing the call asynchronously and have _not_
- // called push() with new data. In this case we skip performing more
- // read()s. The execution ends in this method again after the _read() ends
- // up calling push() with more data.
- while (!state.reading && !state.ended && (state.length < state.highWaterMark || state.flowing && state.length === 0)) {
- var len = state.length;
- debug('maybeReadMore read 0');
- stream.read(0);
- if (len === state.length) // didn't get any data, stop spinning.
- break;
- }
-
- state.readingMore = false;
-} // abstract method. to be overridden in specific implementation classes.
-// call cb(er, data) where data is <= n in length.
-// for virtual (non-string, non-buffer) streams, "length" is somewhat
-// arbitrary, and perhaps not very meaningful.
-
-
-Readable.prototype._read = function (n) {
- errorOrDestroy(this, new ERR_METHOD_NOT_IMPLEMENTED('_read()'));
-};
-
-Readable.prototype.pipe = function (dest, pipeOpts) {
- var src = this;
- var state = this._readableState;
-
- switch (state.pipesCount) {
- case 0:
- state.pipes = dest;
- break;
-
- case 1:
- state.pipes = [state.pipes, dest];
- break;
-
- default:
- state.pipes.push(dest);
- break;
- }
-
- state.pipesCount += 1;
- debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
- var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
- var endFn = doEnd ? onend : unpipe;
- if (state.endEmitted) process.nextTick(endFn);else src.once('end', endFn);
- dest.on('unpipe', onunpipe);
-
- function onunpipe(readable, unpipeInfo) {
- debug('onunpipe');
-
- if (readable === src) {
- if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
- unpipeInfo.hasUnpiped = true;
- cleanup();
- }
- }
- }
-
- function onend() {
- debug('onend');
- dest.end();
- } // when the dest drains, it reduces the awaitDrain counter
- // on the source. This would be more elegant with a .once()
- // handler in flow(), but adding and removing repeatedly is
- // too slow.
-
-
- var ondrain = pipeOnDrain(src);
- dest.on('drain', ondrain);
- var cleanedUp = false;
-
- function cleanup() {
- debug('cleanup'); // cleanup event handlers once the pipe is broken
-
- dest.removeListener('close', onclose);
- dest.removeListener('finish', onfinish);
- dest.removeListener('drain', ondrain);
- dest.removeListener('error', onerror);
- dest.removeListener('unpipe', onunpipe);
- src.removeListener('end', onend);
- src.removeListener('end', unpipe);
- src.removeListener('data', ondata);
- cleanedUp = true; // if the reader is waiting for a drain event from this
- // specific writer, then it would cause it to never start
- // flowing again.
- // So, if this is awaiting a drain, then we just call it now.
- // If we don't know, then assume that we are waiting for one.
-
- if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
- }
-
- src.on('data', ondata);
-
- function ondata(chunk) {
- debug('ondata');
- var ret = dest.write(chunk);
- debug('dest.write', ret);
-
- if (ret === false) {
- // If the user unpiped during `dest.write()`, it is possible
- // to get stuck in a permanently paused state if that write
- // also returned false.
- // => Check whether `dest` is still a piping destination.
- if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
- debug('false write response, pause', state.awaitDrain);
- state.awaitDrain++;
- }
-
- src.pause();
- }
- } // if the dest has an error, then stop piping into it.
- // however, don't suppress the throwing behavior for this.
-
-
- function onerror(er) {
- debug('onerror', er);
- unpipe();
- dest.removeListener('error', onerror);
- if (EElistenerCount(dest, 'error') === 0) errorOrDestroy(dest, er);
- } // Make sure our error handler is attached before userland ones.
-
-
- prependListener(dest, 'error', onerror); // Both close and finish should trigger unpipe, but only once.
-
- function onclose() {
- dest.removeListener('finish', onfinish);
- unpipe();
- }
-
- dest.once('close', onclose);
-
- function onfinish() {
- debug('onfinish');
- dest.removeListener('close', onclose);
- unpipe();
- }
-
- dest.once('finish', onfinish);
-
- function unpipe() {
- debug('unpipe');
- src.unpipe(dest);
- } // tell the dest that it's being piped to
-
-
- dest.emit('pipe', src); // start the flow if it hasn't been started already.
-
- if (!state.flowing) {
- debug('pipe resume');
- src.resume();
- }
-
- return dest;
-};
-
-function pipeOnDrain(src) {
- return function pipeOnDrainFunctionResult() {
- var state = src._readableState;
- debug('pipeOnDrain', state.awaitDrain);
- if (state.awaitDrain) state.awaitDrain--;
-
- if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
- state.flowing = true;
- flow(src);
- }
- };
-}
-
-Readable.prototype.unpipe = function (dest) {
- var state = this._readableState;
- var unpipeInfo = {
- hasUnpiped: false
- }; // if we're not piping anywhere, then do nothing.
-
- if (state.pipesCount === 0) return this; // just one destination. most common case.
-
- if (state.pipesCount === 1) {
- // passed in one, but it's not the right one.
- if (dest && dest !== state.pipes) return this;
- if (!dest) dest = state.pipes; // got a match.
-
- state.pipes = null;
- state.pipesCount = 0;
- state.flowing = false;
- if (dest) dest.emit('unpipe', this, unpipeInfo);
- return this;
- } // slow case. multiple pipe destinations.
-
-
- if (!dest) {
- // remove all.
- var dests = state.pipes;
- var len = state.pipesCount;
- state.pipes = null;
- state.pipesCount = 0;
- state.flowing = false;
-
- for (var i = 0; i < len; i++) {
- dests[i].emit('unpipe', this, {
- hasUnpiped: false
- });
- }
-
- return this;
- } // try to find the right one.
-
-
- var index = indexOf(state.pipes, dest);
- if (index === -1) return this;
- state.pipes.splice(index, 1);
- state.pipesCount -= 1;
- if (state.pipesCount === 1) state.pipes = state.pipes[0];
- dest.emit('unpipe', this, unpipeInfo);
- return this;
-}; // set up data events if they are asked for
-// Ensure readable listeners eventually get something
-
-
-Readable.prototype.on = function (ev, fn) {
- var res = Stream.prototype.on.call(this, ev, fn);
- var state = this._readableState;
-
- if (ev === 'data') {
- // update readableListening so that resume() may be a no-op
- // a few lines down. This is needed to support once('readable').
- state.readableListening = this.listenerCount('readable') > 0; // Try start flowing on next tick if stream isn't explicitly paused
-
- if (state.flowing !== false) this.resume();
- } else if (ev === 'readable') {
- if (!state.endEmitted && !state.readableListening) {
- state.readableListening = state.needReadable = true;
- state.flowing = false;
- state.emittedReadable = false;
- debug('on readable', state.length, state.reading);
-
- if (state.length) {
- emitReadable(this);
- } else if (!state.reading) {
- process.nextTick(nReadingNextTick, this);
- }
- }
- }
-
- return res;
-};
-
-Readable.prototype.addListener = Readable.prototype.on;
-
-Readable.prototype.removeListener = function (ev, fn) {
- var res = Stream.prototype.removeListener.call(this, ev, fn);
-
- if (ev === 'readable') {
- // We need to check if there is someone still listening to
- // readable and reset the state. However this needs to happen
- // after readable has been emitted but before I/O (nextTick) to
- // support once('readable', fn) cycles. This means that calling
- // resume within the same tick will have no
- // effect.
- process.nextTick(updateReadableListening, this);
- }
-
- return res;
-};
-
-Readable.prototype.removeAllListeners = function (ev) {
- var res = Stream.prototype.removeAllListeners.apply(this, arguments);
-
- if (ev === 'readable' || ev === undefined) {
- // We need to check if there is someone still listening to
- // readable and reset the state. However this needs to happen
- // after readable has been emitted but before I/O (nextTick) to
- // support once('readable', fn) cycles. This means that calling
- // resume within the same tick will have no
- // effect.
- process.nextTick(updateReadableListening, this);
- }
-
- return res;
-};
-
-function updateReadableListening(self) {
- var state = self._readableState;
- state.readableListening = self.listenerCount('readable') > 0;
-
- if (state.resumeScheduled && !state.paused) {
- // flowing needs to be set to true now, otherwise
- // the upcoming resume will not flow.
- state.flowing = true; // crude way to check if we should resume
- } else if (self.listenerCount('data') > 0) {
- self.resume();
- }
-}
-
-function nReadingNextTick(self) {
- debug('readable nexttick read 0');
- self.read(0);
-} // pause() and resume() are remnants of the legacy readable stream API
-// If the user uses them, then switch into old mode.
-
-
-Readable.prototype.resume = function () {
- var state = this._readableState;
-
- if (!state.flowing) {
- debug('resume'); // we flow only if there is no one listening
- // for readable, but we still have to call
- // resume()
-
- state.flowing = !state.readableListening;
- resume(this, state);
- }
-
- state.paused = false;
- return this;
-};
-
-function resume(stream, state) {
- if (!state.resumeScheduled) {
- state.resumeScheduled = true;
- process.nextTick(resume_, stream, state);
- }
-}
-
-function resume_(stream, state) {
- debug('resume', state.reading);
-
- if (!state.reading) {
- stream.read(0);
- }
-
- state.resumeScheduled = false;
- stream.emit('resume');
- flow(stream);
- if (state.flowing && !state.reading) stream.read(0);
-}
-
-Readable.prototype.pause = function () {
- debug('call pause flowing=%j', this._readableState.flowing);
-
- if (this._readableState.flowing !== false) {
- debug('pause');
- this._readableState.flowing = false;
- this.emit('pause');
- }
-
- this._readableState.paused = true;
- return this;
-};
-
-function flow(stream) {
- var state = stream._readableState;
- debug('flow', state.flowing);
-
- while (state.flowing && stream.read() !== null) {
- ;
- }
-} // wrap an old-style stream as the async data source.
-// This is *not* part of the readable stream interface.
-// It is an ugly unfortunate mess of history.
-
-
-Readable.prototype.wrap = function (stream) {
- var _this = this;
-
- var state = this._readableState;
- var paused = false;
- stream.on('end', function () {
- debug('wrapped end');
-
- if (state.decoder && !state.ended) {
- var chunk = state.decoder.end();
- if (chunk && chunk.length) _this.push(chunk);
- }
-
- _this.push(null);
- });
- stream.on('data', function (chunk) {
- debug('wrapped data');
- if (state.decoder) chunk = state.decoder.write(chunk); // don't skip over falsy values in objectMode
-
- if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
-
- var ret = _this.push(chunk);
-
- if (!ret) {
- paused = true;
- stream.pause();
- }
- }); // proxy all the other methods.
- // important when wrapping filters and duplexes.
-
- for (var i in stream) {
- if (this[i] === undefined && typeof stream[i] === 'function') {
- this[i] = function methodWrap(method) {
- return function methodWrapReturnFunction() {
- return stream[method].apply(stream, arguments);
- };
- }(i);
- }
- } // proxy certain important events.
-
-
- for (var n = 0; n < kProxyEvents.length; n++) {
- stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n]));
- } // when we try to consume some more bytes, simply unpause the
- // underlying stream.
-
-
- this._read = function (n) {
- debug('wrapped _read', n);
-
- if (paused) {
- paused = false;
- stream.resume();
- }
- };
-
- return this;
-};
-
-if (typeof Symbol === 'function') {
- Readable.prototype[Symbol.asyncIterator] = function () {
- if (createReadableStreamAsyncIterator === undefined) {
- createReadableStreamAsyncIterator = require('./internal/streams/async_iterator');
- }
-
- return createReadableStreamAsyncIterator(this);
- };
-}
-
-Object.defineProperty(Readable.prototype, 'readableHighWaterMark', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._readableState.highWaterMark;
- }
-});
-Object.defineProperty(Readable.prototype, 'readableBuffer', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._readableState && this._readableState.buffer;
- }
-});
-Object.defineProperty(Readable.prototype, 'readableFlowing', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._readableState.flowing;
- },
- set: function set(state) {
- if (this._readableState) {
- this._readableState.flowing = state;
- }
- }
-}); // exposed for testing purposes only.
-
-Readable._fromList = fromList;
-Object.defineProperty(Readable.prototype, 'readableLength', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._readableState.length;
- }
-}); // Pluck off n bytes from an array of buffers.
-// Length is the combined lengths of all the buffers in the list.
-// This function is designed to be inlinable, so please take care when making
-// changes to the function body.
-
-function fromList(n, state) {
- // nothing buffered
- if (state.length === 0) return null;
- var ret;
- if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
- // read it all, truncate the list
- if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.first();else ret = state.buffer.concat(state.length);
- state.buffer.clear();
- } else {
- // read part of list
- ret = state.buffer.consume(n, state.decoder);
- }
- return ret;
-}
-
-function endReadable(stream) {
- var state = stream._readableState;
- debug('endReadable', state.endEmitted);
-
- if (!state.endEmitted) {
- state.ended = true;
- process.nextTick(endReadableNT, state, stream);
- }
-}
-
-function endReadableNT(state, stream) {
- debug('endReadableNT', state.endEmitted, state.length); // Check that we didn't get one last unshift.
-
- if (!state.endEmitted && state.length === 0) {
- state.endEmitted = true;
- stream.readable = false;
- stream.emit('end');
-
- if (state.autoDestroy) {
- // In case of duplex streams we need a way to detect
- // if the writable side is ready for autoDestroy as well
- var wState = stream._writableState;
-
- if (!wState || wState.autoDestroy && wState.finished) {
- stream.destroy();
- }
- }
- }
-}
-
-if (typeof Symbol === 'function') {
- Readable.from = function (iterable, opts) {
- if (from === undefined) {
- from = require('./internal/streams/from');
- }
-
- return from(Readable, iterable, opts);
- };
-}
-
-function indexOf(xs, x) {
- for (var i = 0, l = xs.length; i < l; i++) {
- if (xs[i] === x) return i;
- }
-
- return -1;
-}
-}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"../errors":10,"./_stream_duplex":11,"./internal/streams/async_iterator":16,"./internal/streams/buffer_list":17,"./internal/streams/destroy":18,"./internal/streams/from":20,"./internal/streams/state":22,"./internal/streams/stream":23,"_process":7,"buffer":3,"events":4,"inherits":6,"string_decoder/":24,"util":2}],14:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-// a transform stream is a readable/writable stream where you do
-// something with the data. Sometimes it's called a "filter",
-// but that's not a great name for it, since that implies a thing where
-// some bits pass through, and others are simply ignored. (That would
-// be a valid example of a transform, of course.)
-//
-// While the output is causally related to the input, it's not a
-// necessarily symmetric or synchronous transformation. For example,
-// a zlib stream might take multiple plain-text writes(), and then
-// emit a single compressed chunk some time in the future.
-//
-// Here's how this works:
-//
-// The Transform stream has all the aspects of the readable and writable
-// stream classes. When you write(chunk), that calls _write(chunk,cb)
-// internally, and returns false if there's a lot of pending writes
-// buffered up. When you call read(), that calls _read(n) until
-// there's enough pending readable data buffered up.
-//
-// In a transform stream, the written data is placed in a buffer. When
-// _read(n) is called, it transforms the queued up data, calling the
-// buffered _write cb's as it consumes chunks. If consuming a single
-// written chunk would result in multiple output chunks, then the first
-// outputted bit calls the readcb, and subsequent chunks just go into
-// the read buffer, and will cause it to emit 'readable' if necessary.
-//
-// This way, back-pressure is actually determined by the reading side,
-// since _read has to be called to start processing a new chunk. However,
-// a pathological inflate type of transform can cause excessive buffering
-// here. For example, imagine a stream where every byte of input is
-// interpreted as an integer from 0-255, and then results in that many
-// bytes of output. Writing the 4 bytes {ff,ff,ff,ff} would result in
-// 1kb of data being output. In this case, you could write a very small
-// amount of input, and end up with a very large amount of output. In
-// such a pathological inflating mechanism, there'd be no way to tell
-// the system to stop doing the transform. A single 4MB write could
-// cause the system to run out of memory.
-//
-// However, even in such a pathological case, only a single written chunk
-// would be consumed, and then the rest would wait (un-transformed) until
-// the results of the previous transformed chunk were consumed.
-'use strict';
-
-module.exports = Transform;
-
-var _require$codes = require('../errors').codes,
- ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
- ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
- ERR_TRANSFORM_ALREADY_TRANSFORMING = _require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,
- ERR_TRANSFORM_WITH_LENGTH_0 = _require$codes.ERR_TRANSFORM_WITH_LENGTH_0;
-
-var Duplex = require('./_stream_duplex');
-
-require('inherits')(Transform, Duplex);
-
-function afterTransform(er, data) {
- var ts = this._transformState;
- ts.transforming = false;
- var cb = ts.writecb;
-
- if (cb === null) {
- return this.emit('error', new ERR_MULTIPLE_CALLBACK());
- }
-
- ts.writechunk = null;
- ts.writecb = null;
- if (data != null) // single equals check for both `null` and `undefined`
- this.push(data);
- cb(er);
- var rs = this._readableState;
- rs.reading = false;
-
- if (rs.needReadable || rs.length < rs.highWaterMark) {
- this._read(rs.highWaterMark);
- }
-}
-
-function Transform(options) {
- if (!(this instanceof Transform)) return new Transform(options);
- Duplex.call(this, options);
- this._transformState = {
- afterTransform: afterTransform.bind(this),
- needTransform: false,
- transforming: false,
- writecb: null,
- writechunk: null,
- writeencoding: null
- }; // start out asking for a readable event once data is transformed.
-
- this._readableState.needReadable = true; // we have implemented the _read method, and done the other things
- // that Readable wants before the first _read call, so unset the
- // sync guard flag.
-
- this._readableState.sync = false;
-
- if (options) {
- if (typeof options.transform === 'function') this._transform = options.transform;
- if (typeof options.flush === 'function') this._flush = options.flush;
- } // When the writable side finishes, then flush out anything remaining.
-
-
- this.on('prefinish', prefinish);
-}
-
-function prefinish() {
- var _this = this;
-
- if (typeof this._flush === 'function' && !this._readableState.destroyed) {
- this._flush(function (er, data) {
- done(_this, er, data);
- });
- } else {
- done(this, null, null);
- }
-}
-
-Transform.prototype.push = function (chunk, encoding) {
- this._transformState.needTransform = false;
- return Duplex.prototype.push.call(this, chunk, encoding);
-}; // This is the part where you do stuff!
-// override this function in implementation classes.
-// 'chunk' is an input chunk.
-//
-// Call `push(newChunk)` to pass along transformed output
-// to the readable side. You may call 'push' zero or more times.
-//
-// Call `cb(err)` when you are done with this chunk. If you pass
-// an error, then that'll put the hurt on the whole operation. If you
-// never call cb(), then you'll never get another chunk.
-
-
-Transform.prototype._transform = function (chunk, encoding, cb) {
- cb(new ERR_METHOD_NOT_IMPLEMENTED('_transform()'));
-};
-
-Transform.prototype._write = function (chunk, encoding, cb) {
- var ts = this._transformState;
- ts.writecb = cb;
- ts.writechunk = chunk;
- ts.writeencoding = encoding;
-
- if (!ts.transforming) {
- var rs = this._readableState;
- if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
- }
-}; // Doesn't matter what the args are here.
-// _transform does all the work.
-// That we got here means that the readable side wants more data.
-
-
-Transform.prototype._read = function (n) {
- var ts = this._transformState;
-
- if (ts.writechunk !== null && !ts.transforming) {
- ts.transforming = true;
-
- this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
- } else {
- // mark that we need a transform, so that any data that comes in
- // will get processed, now that we've asked for it.
- ts.needTransform = true;
- }
-};
-
-Transform.prototype._destroy = function (err, cb) {
- Duplex.prototype._destroy.call(this, err, function (err2) {
- cb(err2);
- });
-};
-
-function done(stream, er, data) {
- if (er) return stream.emit('error', er);
- if (data != null) // single equals check for both `null` and `undefined`
- stream.push(data); // TODO(BridgeAR): Write a test for these two error cases
- // if there's nothing in the write buffer, then that means
- // that nothing more will ever be provided
-
- if (stream._writableState.length) throw new ERR_TRANSFORM_WITH_LENGTH_0();
- if (stream._transformState.transforming) throw new ERR_TRANSFORM_ALREADY_TRANSFORMING();
- return stream.push(null);
-}
-},{"../errors":10,"./_stream_duplex":11,"inherits":6}],15:[function(require,module,exports){
-(function (process,global){(function (){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-// A bit simpler than readable streams.
-// Implement an async ._write(chunk, encoding, cb), and it'll handle all
-// the drain event emission and buffering.
-'use strict';
-
-module.exports = Writable;
-/* */
-
-function WriteReq(chunk, encoding, cb) {
- this.chunk = chunk;
- this.encoding = encoding;
- this.callback = cb;
- this.next = null;
-} // It seems a linked list but it is not
-// there will be only 2 of these for each stream
-
-
-function CorkedRequest(state) {
- var _this = this;
-
- this.next = null;
- this.entry = null;
-
- this.finish = function () {
- onCorkedFinish(_this, state);
- };
-}
-/* */
-
-/**/
-
-
-var Duplex;
-/**/
-
-Writable.WritableState = WritableState;
-/**/
-
-var internalUtil = {
- deprecate: require('util-deprecate')
-};
-/**/
-
-/**/
-
-var Stream = require('./internal/streams/stream');
-/**/
-
-
-var Buffer = require('buffer').Buffer;
-
-var OurUint8Array = global.Uint8Array || function () {};
-
-function _uint8ArrayToBuffer(chunk) {
- return Buffer.from(chunk);
-}
-
-function _isUint8Array(obj) {
- return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
-}
-
-var destroyImpl = require('./internal/streams/destroy');
-
-var _require = require('./internal/streams/state'),
- getHighWaterMark = _require.getHighWaterMark;
-
-var _require$codes = require('../errors').codes,
- ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
- ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
- ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
- ERR_STREAM_CANNOT_PIPE = _require$codes.ERR_STREAM_CANNOT_PIPE,
- ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED,
- ERR_STREAM_NULL_VALUES = _require$codes.ERR_STREAM_NULL_VALUES,
- ERR_STREAM_WRITE_AFTER_END = _require$codes.ERR_STREAM_WRITE_AFTER_END,
- ERR_UNKNOWN_ENCODING = _require$codes.ERR_UNKNOWN_ENCODING;
-
-var errorOrDestroy = destroyImpl.errorOrDestroy;
-
-require('inherits')(Writable, Stream);
-
-function nop() {}
-
-function WritableState(options, stream, isDuplex) {
- Duplex = Duplex || require('./_stream_duplex');
- options = options || {}; // Duplex streams are both readable and writable, but share
- // the same options object.
- // However, some cases require setting options to different
- // values for the readable and the writable sides of the duplex stream,
- // e.g. options.readableObjectMode vs. options.writableObjectMode, etc.
-
- if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag to indicate whether or not this stream
- // contains buffers or objects.
-
- this.objectMode = !!options.objectMode;
- if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; // the point at which write() starts returning false
- // Note: 0 is a valid value, means that we always return false if
- // the entire buffer is not flushed immediately on write()
-
- this.highWaterMark = getHighWaterMark(this, options, 'writableHighWaterMark', isDuplex); // if _final has been called
-
- this.finalCalled = false; // drain event flag.
-
- this.needDrain = false; // at the start of calling end()
-
- this.ending = false; // when end() has been called, and returned
-
- this.ended = false; // when 'finish' is emitted
-
- this.finished = false; // has it been destroyed
-
- this.destroyed = false; // should we decode strings into buffers before passing to _write?
- // this is here so that some node-core streams can optimize string
- // handling at a lower level.
-
- var noDecode = options.decodeStrings === false;
- this.decodeStrings = !noDecode; // Crypto is kind of old and crusty. Historically, its default string
- // encoding is 'binary' so we have to make this configurable.
- // Everything else in the universe uses 'utf8', though.
-
- this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement
- // of how much we're waiting to get pushed to some underlying
- // socket or file.
-
- this.length = 0; // a flag to see when we're in the middle of a write.
-
- this.writing = false; // when true all writes will be buffered until .uncork() call
-
- this.corked = 0; // a flag to be able to tell if the onwrite cb is called immediately,
- // or on a later tick. We set this to true at first, because any
- // actions that shouldn't happen until "later" should generally also
- // not happen before the first write call.
-
- this.sync = true; // a flag to know if we're processing previously buffered items, which
- // may call the _write() callback in the same tick, so that we don't
- // end up in an overlapped onwrite situation.
-
- this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb)
-
- this.onwrite = function (er) {
- onwrite(stream, er);
- }; // the callback that the user supplies to write(chunk,encoding,cb)
-
-
- this.writecb = null; // the amount that is being written when _write is called.
-
- this.writelen = 0;
- this.bufferedRequest = null;
- this.lastBufferedRequest = null; // number of pending user-supplied write callbacks
- // this must be 0 before 'finish' can be emitted
-
- this.pendingcb = 0; // emit prefinish if the only thing we're waiting for is _write cbs
- // This is relevant for synchronous Transform streams
-
- this.prefinished = false; // True if the error was already emitted and should not be thrown again
-
- this.errorEmitted = false; // Should close be emitted on destroy. Defaults to true.
-
- this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'finish' (and potentially 'end')
-
- this.autoDestroy = !!options.autoDestroy; // count buffered requests
-
- this.bufferedRequestCount = 0; // allocate the first CorkedRequest, there is always
- // one allocated and free to use, and we maintain at most two
-
- this.corkedRequestsFree = new CorkedRequest(this);
-}
-
-WritableState.prototype.getBuffer = function getBuffer() {
- var current = this.bufferedRequest;
- var out = [];
-
- while (current) {
- out.push(current);
- current = current.next;
- }
-
- return out;
-};
-
-(function () {
- try {
- Object.defineProperty(WritableState.prototype, 'buffer', {
- get: internalUtil.deprecate(function writableStateBufferGetter() {
- return this.getBuffer();
- }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
- });
- } catch (_) {}
-})(); // Test _writableState for inheritance to account for Duplex streams,
-// whose prototype chain only points to Readable.
-
-
-var realHasInstance;
-
-if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
- realHasInstance = Function.prototype[Symbol.hasInstance];
- Object.defineProperty(Writable, Symbol.hasInstance, {
- value: function value(object) {
- if (realHasInstance.call(this, object)) return true;
- if (this !== Writable) return false;
- return object && object._writableState instanceof WritableState;
- }
- });
-} else {
- realHasInstance = function realHasInstance(object) {
- return object instanceof this;
- };
-}
-
-function Writable(options) {
- Duplex = Duplex || require('./_stream_duplex'); // Writable ctor is applied to Duplexes, too.
- // `realHasInstance` is necessary because using plain `instanceof`
- // would return false, as no `_writableState` property is attached.
- // Trying to use the custom `instanceof` for Writable here will also break the
- // Node.js LazyTransform implementation, which has a non-trivial getter for
- // `_writableState` that would lead to infinite recursion.
- // Checking for a Stream.Duplex instance is faster here instead of inside
- // the WritableState constructor, at least with V8 6.5
-
- var isDuplex = this instanceof Duplex;
- if (!isDuplex && !realHasInstance.call(Writable, this)) return new Writable(options);
- this._writableState = new WritableState(options, this, isDuplex); // legacy.
-
- this.writable = true;
-
- if (options) {
- if (typeof options.write === 'function') this._write = options.write;
- if (typeof options.writev === 'function') this._writev = options.writev;
- if (typeof options.destroy === 'function') this._destroy = options.destroy;
- if (typeof options.final === 'function') this._final = options.final;
- }
-
- Stream.call(this);
-} // Otherwise people can pipe Writable streams, which is just wrong.
-
-
-Writable.prototype.pipe = function () {
- errorOrDestroy(this, new ERR_STREAM_CANNOT_PIPE());
-};
-
-function writeAfterEnd(stream, cb) {
- var er = new ERR_STREAM_WRITE_AFTER_END(); // TODO: defer error events consistently everywhere, not just the cb
-
- errorOrDestroy(stream, er);
- process.nextTick(cb, er);
-} // Checks that a user-supplied chunk is valid, especially for the particular
-// mode the stream is in. Currently this means that `null` is never accepted
-// and undefined/non-string values are only allowed in object mode.
-
-
-function validChunk(stream, state, chunk, cb) {
- var er;
-
- if (chunk === null) {
- er = new ERR_STREAM_NULL_VALUES();
- } else if (typeof chunk !== 'string' && !state.objectMode) {
- er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer'], chunk);
- }
-
- if (er) {
- errorOrDestroy(stream, er);
- process.nextTick(cb, er);
- return false;
- }
-
- return true;
-}
-
-Writable.prototype.write = function (chunk, encoding, cb) {
- var state = this._writableState;
- var ret = false;
-
- var isBuf = !state.objectMode && _isUint8Array(chunk);
-
- if (isBuf && !Buffer.isBuffer(chunk)) {
- chunk = _uint8ArrayToBuffer(chunk);
- }
-
- if (typeof encoding === 'function') {
- cb = encoding;
- encoding = null;
- }
-
- if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
- if (typeof cb !== 'function') cb = nop;
- if (state.ending) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
- state.pendingcb++;
- ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
- }
- return ret;
-};
-
-Writable.prototype.cork = function () {
- this._writableState.corked++;
-};
-
-Writable.prototype.uncork = function () {
- var state = this._writableState;
-
- if (state.corked) {
- state.corked--;
- if (!state.writing && !state.corked && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
- }
-};
-
-Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
- // node::ParseEncoding() requires lower case.
- if (typeof encoding === 'string') encoding = encoding.toLowerCase();
- if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new ERR_UNKNOWN_ENCODING(encoding);
- this._writableState.defaultEncoding = encoding;
- return this;
-};
-
-Object.defineProperty(Writable.prototype, 'writableBuffer', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._writableState && this._writableState.getBuffer();
- }
-});
-
-function decodeChunk(state, chunk, encoding) {
- if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
- chunk = Buffer.from(chunk, encoding);
- }
-
- return chunk;
-}
-
-Object.defineProperty(Writable.prototype, 'writableHighWaterMark', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._writableState.highWaterMark;
- }
-}); // if we're already writing something, then just put this
-// in the queue, and wait our turn. Otherwise, call _write
-// If we return false, then we need a drain event, so set that flag.
-
-function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
- if (!isBuf) {
- var newChunk = decodeChunk(state, chunk, encoding);
-
- if (chunk !== newChunk) {
- isBuf = true;
- encoding = 'buffer';
- chunk = newChunk;
- }
- }
-
- var len = state.objectMode ? 1 : chunk.length;
- state.length += len;
- var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false.
-
- if (!ret) state.needDrain = true;
-
- if (state.writing || state.corked) {
- var last = state.lastBufferedRequest;
- state.lastBufferedRequest = {
- chunk: chunk,
- encoding: encoding,
- isBuf: isBuf,
- callback: cb,
- next: null
- };
-
- if (last) {
- last.next = state.lastBufferedRequest;
- } else {
- state.bufferedRequest = state.lastBufferedRequest;
- }
-
- state.bufferedRequestCount += 1;
- } else {
- doWrite(stream, state, false, len, chunk, encoding, cb);
- }
-
- return ret;
-}
-
-function doWrite(stream, state, writev, len, chunk, encoding, cb) {
- state.writelen = len;
- state.writecb = cb;
- state.writing = true;
- state.sync = true;
- if (state.destroyed) state.onwrite(new ERR_STREAM_DESTROYED('write'));else if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
- state.sync = false;
-}
-
-function onwriteError(stream, state, sync, er, cb) {
- --state.pendingcb;
-
- if (sync) {
- // defer the callback if we are being called synchronously
- // to avoid piling up things on the stack
- process.nextTick(cb, er); // this can emit finish, and it will always happen
- // after error
-
- process.nextTick(finishMaybe, stream, state);
- stream._writableState.errorEmitted = true;
- errorOrDestroy(stream, er);
- } else {
- // the caller expect this to happen before if
- // it is async
- cb(er);
- stream._writableState.errorEmitted = true;
- errorOrDestroy(stream, er); // this can emit finish, but finish must
- // always follow error
-
- finishMaybe(stream, state);
- }
-}
-
-function onwriteStateUpdate(state) {
- state.writing = false;
- state.writecb = null;
- state.length -= state.writelen;
- state.writelen = 0;
-}
-
-function onwrite(stream, er) {
- var state = stream._writableState;
- var sync = state.sync;
- var cb = state.writecb;
- if (typeof cb !== 'function') throw new ERR_MULTIPLE_CALLBACK();
- onwriteStateUpdate(state);
- if (er) onwriteError(stream, state, sync, er, cb);else {
- // Check if we're actually ready to finish, but don't emit yet
- var finished = needFinish(state) || stream.destroyed;
-
- if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
- clearBuffer(stream, state);
- }
-
- if (sync) {
- process.nextTick(afterWrite, stream, state, finished, cb);
- } else {
- afterWrite(stream, state, finished, cb);
- }
- }
-}
-
-function afterWrite(stream, state, finished, cb) {
- if (!finished) onwriteDrain(stream, state);
- state.pendingcb--;
- cb();
- finishMaybe(stream, state);
-} // Must force callback to be called on nextTick, so that we don't
-// emit 'drain' before the write() consumer gets the 'false' return
-// value, and has a chance to attach a 'drain' listener.
-
-
-function onwriteDrain(stream, state) {
- if (state.length === 0 && state.needDrain) {
- state.needDrain = false;
- stream.emit('drain');
- }
-} // if there's something in the buffer waiting, then process it
-
-
-function clearBuffer(stream, state) {
- state.bufferProcessing = true;
- var entry = state.bufferedRequest;
-
- if (stream._writev && entry && entry.next) {
- // Fast case, write everything using _writev()
- var l = state.bufferedRequestCount;
- var buffer = new Array(l);
- var holder = state.corkedRequestsFree;
- holder.entry = entry;
- var count = 0;
- var allBuffers = true;
-
- while (entry) {
- buffer[count] = entry;
- if (!entry.isBuf) allBuffers = false;
- entry = entry.next;
- count += 1;
- }
-
- buffer.allBuffers = allBuffers;
- doWrite(stream, state, true, state.length, buffer, '', holder.finish); // doWrite is almost always async, defer these to save a bit of time
- // as the hot path ends with doWrite
-
- state.pendingcb++;
- state.lastBufferedRequest = null;
-
- if (holder.next) {
- state.corkedRequestsFree = holder.next;
- holder.next = null;
- } else {
- state.corkedRequestsFree = new CorkedRequest(state);
- }
-
- state.bufferedRequestCount = 0;
- } else {
- // Slow case, write chunks one-by-one
- while (entry) {
- var chunk = entry.chunk;
- var encoding = entry.encoding;
- var cb = entry.callback;
- var len = state.objectMode ? 1 : chunk.length;
- doWrite(stream, state, false, len, chunk, encoding, cb);
- entry = entry.next;
- state.bufferedRequestCount--; // if we didn't call the onwrite immediately, then
- // it means that we need to wait until it does.
- // also, that means that the chunk and cb are currently
- // being processed, so move the buffer counter past them.
-
- if (state.writing) {
- break;
- }
- }
-
- if (entry === null) state.lastBufferedRequest = null;
- }
-
- state.bufferedRequest = entry;
- state.bufferProcessing = false;
-}
-
-Writable.prototype._write = function (chunk, encoding, cb) {
- cb(new ERR_METHOD_NOT_IMPLEMENTED('_write()'));
-};
-
-Writable.prototype._writev = null;
-
-Writable.prototype.end = function (chunk, encoding, cb) {
- var state = this._writableState;
-
- if (typeof chunk === 'function') {
- cb = chunk;
- chunk = null;
- encoding = null;
- } else if (typeof encoding === 'function') {
- cb = encoding;
- encoding = null;
- }
-
- if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); // .end() fully uncorks
-
- if (state.corked) {
- state.corked = 1;
- this.uncork();
- } // ignore unnecessary end() calls.
-
-
- if (!state.ending) endWritable(this, state, cb);
- return this;
-};
-
-Object.defineProperty(Writable.prototype, 'writableLength', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- return this._writableState.length;
- }
-});
-
-function needFinish(state) {
- return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
-}
-
-function callFinal(stream, state) {
- stream._final(function (err) {
- state.pendingcb--;
-
- if (err) {
- errorOrDestroy(stream, err);
- }
-
- state.prefinished = true;
- stream.emit('prefinish');
- finishMaybe(stream, state);
- });
-}
-
-function prefinish(stream, state) {
- if (!state.prefinished && !state.finalCalled) {
- if (typeof stream._final === 'function' && !state.destroyed) {
- state.pendingcb++;
- state.finalCalled = true;
- process.nextTick(callFinal, stream, state);
- } else {
- state.prefinished = true;
- stream.emit('prefinish');
- }
- }
-}
-
-function finishMaybe(stream, state) {
- var need = needFinish(state);
-
- if (need) {
- prefinish(stream, state);
-
- if (state.pendingcb === 0) {
- state.finished = true;
- stream.emit('finish');
-
- if (state.autoDestroy) {
- // In case of duplex streams we need a way to detect
- // if the readable side is ready for autoDestroy as well
- var rState = stream._readableState;
-
- if (!rState || rState.autoDestroy && rState.endEmitted) {
- stream.destroy();
- }
- }
- }
- }
-
- return need;
-}
-
-function endWritable(stream, state, cb) {
- state.ending = true;
- finishMaybe(stream, state);
-
- if (cb) {
- if (state.finished) process.nextTick(cb);else stream.once('finish', cb);
- }
-
- state.ended = true;
- stream.writable = false;
-}
-
-function onCorkedFinish(corkReq, state, err) {
- var entry = corkReq.entry;
- corkReq.entry = null;
-
- while (entry) {
- var cb = entry.callback;
- state.pendingcb--;
- cb(err);
- entry = entry.next;
- } // reuse the free corkReq.
-
-
- state.corkedRequestsFree.next = corkReq;
-}
-
-Object.defineProperty(Writable.prototype, 'destroyed', {
- // making it explicit this property is not enumerable
- // because otherwise some prototype manipulation in
- // userland will fail
- enumerable: false,
- get: function get() {
- if (this._writableState === undefined) {
- return false;
- }
-
- return this._writableState.destroyed;
- },
- set: function set(value) {
- // we ignore the value if the stream
- // has not been initialized yet
- if (!this._writableState) {
- return;
- } // backward compatibility, the user is explicitly
- // managing destroyed
-
-
- this._writableState.destroyed = value;
- }
-});
-Writable.prototype.destroy = destroyImpl.destroy;
-Writable.prototype._undestroy = destroyImpl.undestroy;
-
-Writable.prototype._destroy = function (err, cb) {
- cb(err);
-};
-}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"../errors":10,"./_stream_duplex":11,"./internal/streams/destroy":18,"./internal/streams/state":22,"./internal/streams/stream":23,"_process":7,"buffer":3,"inherits":6,"util-deprecate":25}],16:[function(require,module,exports){
-(function (process){(function (){
-'use strict';
-
-var _Object$setPrototypeO;
-
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
-
-var finished = require('./end-of-stream');
-
-var kLastResolve = Symbol('lastResolve');
-var kLastReject = Symbol('lastReject');
-var kError = Symbol('error');
-var kEnded = Symbol('ended');
-var kLastPromise = Symbol('lastPromise');
-var kHandlePromise = Symbol('handlePromise');
-var kStream = Symbol('stream');
-
-function createIterResult(value, done) {
- return {
- value: value,
- done: done
- };
-}
-
-function readAndResolve(iter) {
- var resolve = iter[kLastResolve];
-
- if (resolve !== null) {
- var data = iter[kStream].read(); // we defer if data is null
- // we can be expecting either 'end' or
- // 'error'
-
- if (data !== null) {
- iter[kLastPromise] = null;
- iter[kLastResolve] = null;
- iter[kLastReject] = null;
- resolve(createIterResult(data, false));
- }
- }
-}
-
-function onReadable(iter) {
- // we wait for the next tick, because it might
- // emit an error with process.nextTick
- process.nextTick(readAndResolve, iter);
-}
-
-function wrapForNext(lastPromise, iter) {
- return function (resolve, reject) {
- lastPromise.then(function () {
- if (iter[kEnded]) {
- resolve(createIterResult(undefined, true));
- return;
- }
-
- iter[kHandlePromise](resolve, reject);
- }, reject);
- };
-}
-
-var AsyncIteratorPrototype = Object.getPrototypeOf(function () {});
-var ReadableStreamAsyncIteratorPrototype = Object.setPrototypeOf((_Object$setPrototypeO = {
- get stream() {
- return this[kStream];
- },
-
- next: function next() {
- var _this = this;
-
- // if we have detected an error in the meanwhile
- // reject straight away
- var error = this[kError];
-
- if (error !== null) {
- return Promise.reject(error);
- }
-
- if (this[kEnded]) {
- return Promise.resolve(createIterResult(undefined, true));
- }
-
- if (this[kStream].destroyed) {
- // We need to defer via nextTick because if .destroy(err) is
- // called, the error will be emitted via nextTick, and
- // we cannot guarantee that there is no error lingering around
- // waiting to be emitted.
- return new Promise(function (resolve, reject) {
- process.nextTick(function () {
- if (_this[kError]) {
- reject(_this[kError]);
- } else {
- resolve(createIterResult(undefined, true));
- }
- });
- });
- } // if we have multiple next() calls
- // we will wait for the previous Promise to finish
- // this logic is optimized to support for await loops,
- // where next() is only called once at a time
-
-
- var lastPromise = this[kLastPromise];
- var promise;
-
- if (lastPromise) {
- promise = new Promise(wrapForNext(lastPromise, this));
- } else {
- // fast path needed to support multiple this.push()
- // without triggering the next() queue
- var data = this[kStream].read();
-
- if (data !== null) {
- return Promise.resolve(createIterResult(data, false));
- }
-
- promise = new Promise(this[kHandlePromise]);
- }
-
- this[kLastPromise] = promise;
- return promise;
- }
-}, _defineProperty(_Object$setPrototypeO, Symbol.asyncIterator, function () {
- return this;
-}), _defineProperty(_Object$setPrototypeO, "return", function _return() {
- var _this2 = this;
-
- // destroy(err, cb) is a private API
- // we can guarantee we have that here, because we control the
- // Readable class this is attached to
- return new Promise(function (resolve, reject) {
- _this2[kStream].destroy(null, function (err) {
- if (err) {
- reject(err);
- return;
- }
-
- resolve(createIterResult(undefined, true));
- });
- });
-}), _Object$setPrototypeO), AsyncIteratorPrototype);
-
-var createReadableStreamAsyncIterator = function createReadableStreamAsyncIterator(stream) {
- var _Object$create;
-
- var iterator = Object.create(ReadableStreamAsyncIteratorPrototype, (_Object$create = {}, _defineProperty(_Object$create, kStream, {
- value: stream,
- writable: true
- }), _defineProperty(_Object$create, kLastResolve, {
- value: null,
- writable: true
- }), _defineProperty(_Object$create, kLastReject, {
- value: null,
- writable: true
- }), _defineProperty(_Object$create, kError, {
- value: null,
- writable: true
- }), _defineProperty(_Object$create, kEnded, {
- value: stream._readableState.endEmitted,
- writable: true
- }), _defineProperty(_Object$create, kHandlePromise, {
- value: function value(resolve, reject) {
- var data = iterator[kStream].read();
-
- if (data) {
- iterator[kLastPromise] = null;
- iterator[kLastResolve] = null;
- iterator[kLastReject] = null;
- resolve(createIterResult(data, false));
- } else {
- iterator[kLastResolve] = resolve;
- iterator[kLastReject] = reject;
- }
- },
- writable: true
- }), _Object$create));
- iterator[kLastPromise] = null;
- finished(stream, function (err) {
- if (err && err.code !== 'ERR_STREAM_PREMATURE_CLOSE') {
- var reject = iterator[kLastReject]; // reject if we are waiting for data in the Promise
- // returned by next() and store the error
-
- if (reject !== null) {
- iterator[kLastPromise] = null;
- iterator[kLastResolve] = null;
- iterator[kLastReject] = null;
- reject(err);
- }
-
- iterator[kError] = err;
- return;
- }
-
- var resolve = iterator[kLastResolve];
-
- if (resolve !== null) {
- iterator[kLastPromise] = null;
- iterator[kLastResolve] = null;
- iterator[kLastReject] = null;
- resolve(createIterResult(undefined, true));
- }
-
- iterator[kEnded] = true;
- });
- stream.on('readable', onReadable.bind(null, iterator));
- return iterator;
-};
-
-module.exports = createReadableStreamAsyncIterator;
-}).call(this)}).call(this,require('_process'))
-},{"./end-of-stream":19,"_process":7}],17:[function(require,module,exports){
-'use strict';
-
-function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
-
-function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
-
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
-
-function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
-
-var _require = require('buffer'),
- Buffer = _require.Buffer;
-
-var _require2 = require('util'),
- inspect = _require2.inspect;
-
-var custom = inspect && inspect.custom || 'inspect';
-
-function copyBuffer(src, target, offset) {
- Buffer.prototype.copy.call(src, target, offset);
-}
-
-module.exports =
-/*#__PURE__*/
-function () {
- function BufferList() {
- _classCallCheck(this, BufferList);
-
- this.head = null;
- this.tail = null;
- this.length = 0;
- }
-
- _createClass(BufferList, [{
- key: "push",
- value: function push(v) {
- var entry = {
- data: v,
- next: null
- };
- if (this.length > 0) this.tail.next = entry;else this.head = entry;
- this.tail = entry;
- ++this.length;
- }
- }, {
- key: "unshift",
- value: function unshift(v) {
- var entry = {
- data: v,
- next: this.head
- };
- if (this.length === 0) this.tail = entry;
- this.head = entry;
- ++this.length;
- }
- }, {
- key: "shift",
- value: function shift() {
- if (this.length === 0) return;
- var ret = this.head.data;
- if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
- --this.length;
- return ret;
- }
- }, {
- key: "clear",
- value: function clear() {
- this.head = this.tail = null;
- this.length = 0;
- }
- }, {
- key: "join",
- value: function join(s) {
- if (this.length === 0) return '';
- var p = this.head;
- var ret = '' + p.data;
-
- while (p = p.next) {
- ret += s + p.data;
- }
-
- return ret;
- }
- }, {
- key: "concat",
- value: function concat(n) {
- if (this.length === 0) return Buffer.alloc(0);
- var ret = Buffer.allocUnsafe(n >>> 0);
- var p = this.head;
- var i = 0;
-
- while (p) {
- copyBuffer(p.data, ret, i);
- i += p.data.length;
- p = p.next;
- }
-
- return ret;
- } // Consumes a specified amount of bytes or characters from the buffered data.
-
- }, {
- key: "consume",
- value: function consume(n, hasStrings) {
- var ret;
-
- if (n < this.head.data.length) {
- // `slice` is the same for buffers and strings.
- ret = this.head.data.slice(0, n);
- this.head.data = this.head.data.slice(n);
- } else if (n === this.head.data.length) {
- // First chunk is a perfect match.
- ret = this.shift();
- } else {
- // Result spans more than one buffer.
- ret = hasStrings ? this._getString(n) : this._getBuffer(n);
- }
-
- return ret;
- }
- }, {
- key: "first",
- value: function first() {
- return this.head.data;
- } // Consumes a specified amount of characters from the buffered data.
-
- }, {
- key: "_getString",
- value: function _getString(n) {
- var p = this.head;
- var c = 1;
- var ret = p.data;
- n -= ret.length;
-
- while (p = p.next) {
- var str = p.data;
- var nb = n > str.length ? str.length : n;
- if (nb === str.length) ret += str;else ret += str.slice(0, n);
- n -= nb;
-
- if (n === 0) {
- if (nb === str.length) {
- ++c;
- if (p.next) this.head = p.next;else this.head = this.tail = null;
- } else {
- this.head = p;
- p.data = str.slice(nb);
- }
-
- break;
- }
-
- ++c;
- }
-
- this.length -= c;
- return ret;
- } // Consumes a specified amount of bytes from the buffered data.
-
- }, {
- key: "_getBuffer",
- value: function _getBuffer(n) {
- var ret = Buffer.allocUnsafe(n);
- var p = this.head;
- var c = 1;
- p.data.copy(ret);
- n -= p.data.length;
-
- while (p = p.next) {
- var buf = p.data;
- var nb = n > buf.length ? buf.length : n;
- buf.copy(ret, ret.length - n, 0, nb);
- n -= nb;
-
- if (n === 0) {
- if (nb === buf.length) {
- ++c;
- if (p.next) this.head = p.next;else this.head = this.tail = null;
- } else {
- this.head = p;
- p.data = buf.slice(nb);
- }
-
- break;
- }
-
- ++c;
- }
-
- this.length -= c;
- return ret;
- } // Make sure the linked list only shows the minimal necessary information.
-
- }, {
- key: custom,
- value: function value(_, options) {
- return inspect(this, _objectSpread({}, options, {
- // Only inspect one level.
- depth: 0,
- // It should not recurse.
- customInspect: false
- }));
- }
- }]);
-
- return BufferList;
-}();
-},{"buffer":3,"util":2}],18:[function(require,module,exports){
-(function (process){(function (){
-'use strict'; // undocumented cb() API, needed for core, not for public API
-
-function destroy(err, cb) {
- var _this = this;
-
- var readableDestroyed = this._readableState && this._readableState.destroyed;
- var writableDestroyed = this._writableState && this._writableState.destroyed;
-
- if (readableDestroyed || writableDestroyed) {
- if (cb) {
- cb(err);
- } else if (err) {
- if (!this._writableState) {
- process.nextTick(emitErrorNT, this, err);
- } else if (!this._writableState.errorEmitted) {
- this._writableState.errorEmitted = true;
- process.nextTick(emitErrorNT, this, err);
- }
- }
-
- return this;
- } // we set destroyed to true before firing error callbacks in order
- // to make it re-entrance safe in case destroy() is called within callbacks
-
-
- if (this._readableState) {
- this._readableState.destroyed = true;
- } // if this is a duplex stream mark the writable part as destroyed as well
-
-
- if (this._writableState) {
- this._writableState.destroyed = true;
- }
-
- this._destroy(err || null, function (err) {
- if (!cb && err) {
- if (!_this._writableState) {
- process.nextTick(emitErrorAndCloseNT, _this, err);
- } else if (!_this._writableState.errorEmitted) {
- _this._writableState.errorEmitted = true;
- process.nextTick(emitErrorAndCloseNT, _this, err);
- } else {
- process.nextTick(emitCloseNT, _this);
- }
- } else if (cb) {
- process.nextTick(emitCloseNT, _this);
- cb(err);
- } else {
- process.nextTick(emitCloseNT, _this);
- }
- });
-
- return this;
-}
-
-function emitErrorAndCloseNT(self, err) {
- emitErrorNT(self, err);
- emitCloseNT(self);
-}
-
-function emitCloseNT(self) {
- if (self._writableState && !self._writableState.emitClose) return;
- if (self._readableState && !self._readableState.emitClose) return;
- self.emit('close');
-}
-
-function undestroy() {
- if (this._readableState) {
- this._readableState.destroyed = false;
- this._readableState.reading = false;
- this._readableState.ended = false;
- this._readableState.endEmitted = false;
- }
-
- if (this._writableState) {
- this._writableState.destroyed = false;
- this._writableState.ended = false;
- this._writableState.ending = false;
- this._writableState.finalCalled = false;
- this._writableState.prefinished = false;
- this._writableState.finished = false;
- this._writableState.errorEmitted = false;
- }
-}
-
-function emitErrorNT(self, err) {
- self.emit('error', err);
-}
-
-function errorOrDestroy(stream, err) {
- // We have tests that rely on errors being emitted
- // in the same tick, so changing this is semver major.
- // For now when you opt-in to autoDestroy we allow
- // the error to be emitted nextTick. In a future
- // semver major update we should change the default to this.
- var rState = stream._readableState;
- var wState = stream._writableState;
- if (rState && rState.autoDestroy || wState && wState.autoDestroy) stream.destroy(err);else stream.emit('error', err);
-}
-
-module.exports = {
- destroy: destroy,
- undestroy: undestroy,
- errorOrDestroy: errorOrDestroy
-};
-}).call(this)}).call(this,require('_process'))
-},{"_process":7}],19:[function(require,module,exports){
-// Ported from https://github.com/mafintosh/end-of-stream with
-// permission from the author, Mathias Buus (@mafintosh).
-'use strict';
-
-var ERR_STREAM_PREMATURE_CLOSE = require('../../../errors').codes.ERR_STREAM_PREMATURE_CLOSE;
-
-function once(callback) {
- var called = false;
- return function () {
- if (called) return;
- called = true;
-
- for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
- }
-
- callback.apply(this, args);
- };
-}
-
-function noop() {}
-
-function isRequest(stream) {
- return stream.setHeader && typeof stream.abort === 'function';
-}
-
-function eos(stream, opts, callback) {
- if (typeof opts === 'function') return eos(stream, null, opts);
- if (!opts) opts = {};
- callback = once(callback || noop);
- var readable = opts.readable || opts.readable !== false && stream.readable;
- var writable = opts.writable || opts.writable !== false && stream.writable;
-
- var onlegacyfinish = function onlegacyfinish() {
- if (!stream.writable) onfinish();
- };
-
- var writableEnded = stream._writableState && stream._writableState.finished;
-
- var onfinish = function onfinish() {
- writable = false;
- writableEnded = true;
- if (!readable) callback.call(stream);
- };
-
- var readableEnded = stream._readableState && stream._readableState.endEmitted;
-
- var onend = function onend() {
- readable = false;
- readableEnded = true;
- if (!writable) callback.call(stream);
- };
-
- var onerror = function onerror(err) {
- callback.call(stream, err);
- };
-
- var onclose = function onclose() {
- var err;
-
- if (readable && !readableEnded) {
- if (!stream._readableState || !stream._readableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE();
- return callback.call(stream, err);
- }
-
- if (writable && !writableEnded) {
- if (!stream._writableState || !stream._writableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE();
- return callback.call(stream, err);
- }
- };
-
- var onrequest = function onrequest() {
- stream.req.on('finish', onfinish);
- };
-
- if (isRequest(stream)) {
- stream.on('complete', onfinish);
- stream.on('abort', onclose);
- if (stream.req) onrequest();else stream.on('request', onrequest);
- } else if (writable && !stream._writableState) {
- // legacy streams
- stream.on('end', onlegacyfinish);
- stream.on('close', onlegacyfinish);
- }
-
- stream.on('end', onend);
- stream.on('finish', onfinish);
- if (opts.error !== false) stream.on('error', onerror);
- stream.on('close', onclose);
- return function () {
- stream.removeListener('complete', onfinish);
- stream.removeListener('abort', onclose);
- stream.removeListener('request', onrequest);
- if (stream.req) stream.req.removeListener('finish', onfinish);
- stream.removeListener('end', onlegacyfinish);
- stream.removeListener('close', onlegacyfinish);
- stream.removeListener('finish', onfinish);
- stream.removeListener('end', onend);
- stream.removeListener('error', onerror);
- stream.removeListener('close', onclose);
- };
-}
-
-module.exports = eos;
-},{"../../../errors":10}],20:[function(require,module,exports){
-module.exports = function () {
- throw new Error('Readable.from is not available in the browser')
-};
-
-},{}],21:[function(require,module,exports){
-// Ported from https://github.com/mafintosh/pump with
-// permission from the author, Mathias Buus (@mafintosh).
-'use strict';
-
-var eos;
-
-function once(callback) {
- var called = false;
- return function () {
- if (called) return;
- called = true;
- callback.apply(void 0, arguments);
- };
-}
-
-var _require$codes = require('../../../errors').codes,
- ERR_MISSING_ARGS = _require$codes.ERR_MISSING_ARGS,
- ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED;
-
-function noop(err) {
- // Rethrow the error if it exists to avoid swallowing it
- if (err) throw err;
-}
-
-function isRequest(stream) {
- return stream.setHeader && typeof stream.abort === 'function';
-}
-
-function destroyer(stream, reading, writing, callback) {
- callback = once(callback);
- var closed = false;
- stream.on('close', function () {
- closed = true;
- });
- if (eos === undefined) eos = require('./end-of-stream');
- eos(stream, {
- readable: reading,
- writable: writing
- }, function (err) {
- if (err) return callback(err);
- closed = true;
- callback();
- });
- var destroyed = false;
- return function (err) {
- if (closed) return;
- if (destroyed) return;
- destroyed = true; // request.destroy just do .end - .abort is what we want
-
- if (isRequest(stream)) return stream.abort();
- if (typeof stream.destroy === 'function') return stream.destroy();
- callback(err || new ERR_STREAM_DESTROYED('pipe'));
- };
-}
-
-function call(fn) {
- fn();
-}
-
-function pipe(from, to) {
- return from.pipe(to);
-}
-
-function popCallback(streams) {
- if (!streams.length) return noop;
- if (typeof streams[streams.length - 1] !== 'function') return noop;
- return streams.pop();
-}
-
-function pipeline() {
- for (var _len = arguments.length, streams = new Array(_len), _key = 0; _key < _len; _key++) {
- streams[_key] = arguments[_key];
- }
-
- var callback = popCallback(streams);
- if (Array.isArray(streams[0])) streams = streams[0];
-
- if (streams.length < 2) {
- throw new ERR_MISSING_ARGS('streams');
- }
-
- var error;
- var destroys = streams.map(function (stream, i) {
- var reading = i < streams.length - 1;
- var writing = i > 0;
- return destroyer(stream, reading, writing, function (err) {
- if (!error) error = err;
- if (err) destroys.forEach(call);
- if (reading) return;
- destroys.forEach(call);
- callback(error);
- });
- });
- return streams.reduce(pipe);
-}
-
-module.exports = pipeline;
-},{"../../../errors":10,"./end-of-stream":19}],22:[function(require,module,exports){
-'use strict';
-
-var ERR_INVALID_OPT_VALUE = require('../../../errors').codes.ERR_INVALID_OPT_VALUE;
-
-function highWaterMarkFrom(options, isDuplex, duplexKey) {
- return options.highWaterMark != null ? options.highWaterMark : isDuplex ? options[duplexKey] : null;
-}
-
-function getHighWaterMark(state, options, duplexKey, isDuplex) {
- var hwm = highWaterMarkFrom(options, isDuplex, duplexKey);
-
- if (hwm != null) {
- if (!(isFinite(hwm) && Math.floor(hwm) === hwm) || hwm < 0) {
- var name = isDuplex ? duplexKey : 'highWaterMark';
- throw new ERR_INVALID_OPT_VALUE(name, hwm);
- }
-
- return Math.floor(hwm);
- } // Default value
-
-
- return state.objectMode ? 16 : 16 * 1024;
-}
-
-module.exports = {
- getHighWaterMark: getHighWaterMark
-};
-},{"../../../errors":10}],23:[function(require,module,exports){
-module.exports = require('events').EventEmitter;
-
-},{"events":4}],24:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-'use strict';
-
-/**/
-
-var Buffer = require('safe-buffer').Buffer;
-/**/
-
-var isEncoding = Buffer.isEncoding || function (encoding) {
- encoding = '' + encoding;
- switch (encoding && encoding.toLowerCase()) {
- case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
- return true;
- default:
- return false;
- }
-};
-
-function _normalizeEncoding(enc) {
- if (!enc) return 'utf8';
- var retried;
- while (true) {
- switch (enc) {
- case 'utf8':
- case 'utf-8':
- return 'utf8';
- case 'ucs2':
- case 'ucs-2':
- case 'utf16le':
- case 'utf-16le':
- return 'utf16le';
- case 'latin1':
- case 'binary':
- return 'latin1';
- case 'base64':
- case 'ascii':
- case 'hex':
- return enc;
- default:
- if (retried) return; // undefined
- enc = ('' + enc).toLowerCase();
- retried = true;
- }
- }
-};
-
-// Do not cache `Buffer.isEncoding` when checking encoding names as some
-// modules monkey-patch it to support additional encodings
-function normalizeEncoding(enc) {
- var nenc = _normalizeEncoding(enc);
- if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
- return nenc || enc;
-}
-
-// StringDecoder provides an interface for efficiently splitting a series of
-// buffers into a series of JS strings without breaking apart multi-byte
-// characters.
-exports.StringDecoder = StringDecoder;
-function StringDecoder(encoding) {
- this.encoding = normalizeEncoding(encoding);
- var nb;
- switch (this.encoding) {
- case 'utf16le':
- this.text = utf16Text;
- this.end = utf16End;
- nb = 4;
- break;
- case 'utf8':
- this.fillLast = utf8FillLast;
- nb = 4;
- break;
- case 'base64':
- this.text = base64Text;
- this.end = base64End;
- nb = 3;
- break;
- default:
- this.write = simpleWrite;
- this.end = simpleEnd;
- return;
- }
- this.lastNeed = 0;
- this.lastTotal = 0;
- this.lastChar = Buffer.allocUnsafe(nb);
-}
-
-StringDecoder.prototype.write = function (buf) {
- if (buf.length === 0) return '';
- var r;
- var i;
- if (this.lastNeed) {
- r = this.fillLast(buf);
- if (r === undefined) return '';
- i = this.lastNeed;
- this.lastNeed = 0;
- } else {
- i = 0;
- }
- if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
- return r || '';
-};
-
-StringDecoder.prototype.end = utf8End;
-
-// Returns only complete characters in a Buffer
-StringDecoder.prototype.text = utf8Text;
-
-// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
-StringDecoder.prototype.fillLast = function (buf) {
- if (this.lastNeed <= buf.length) {
- buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
- return this.lastChar.toString(this.encoding, 0, this.lastTotal);
- }
- buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
- this.lastNeed -= buf.length;
-};
-
-// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
-// continuation byte. If an invalid byte is detected, -2 is returned.
-function utf8CheckByte(byte) {
- if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
- return byte >> 6 === 0x02 ? -1 : -2;
-}
-
-// Checks at most 3 bytes at the end of a Buffer in order to detect an
-// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
-// needed to complete the UTF-8 character (if applicable) are returned.
-function utf8CheckIncomplete(self, buf, i) {
- var j = buf.length - 1;
- if (j < i) return 0;
- var nb = utf8CheckByte(buf[j]);
- if (nb >= 0) {
- if (nb > 0) self.lastNeed = nb - 1;
- return nb;
- }
- if (--j < i || nb === -2) return 0;
- nb = utf8CheckByte(buf[j]);
- if (nb >= 0) {
- if (nb > 0) self.lastNeed = nb - 2;
- return nb;
- }
- if (--j < i || nb === -2) return 0;
- nb = utf8CheckByte(buf[j]);
- if (nb >= 0) {
- if (nb > 0) {
- if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
- }
- return nb;
- }
- return 0;
-}
-
-// Validates as many continuation bytes for a multi-byte UTF-8 character as
-// needed or are available. If we see a non-continuation byte where we expect
-// one, we "replace" the validated continuation bytes we've seen so far with
-// a single UTF-8 replacement character ('\ufffd'), to match v8's UTF-8 decoding
-// behavior. The continuation byte check is included three times in the case
-// where all of the continuation bytes for a character exist in the same buffer.
-// It is also done this way as a slight performance increase instead of using a
-// loop.
-function utf8CheckExtraBytes(self, buf, p) {
- if ((buf[0] & 0xC0) !== 0x80) {
- self.lastNeed = 0;
- return '\ufffd';
- }
- if (self.lastNeed > 1 && buf.length > 1) {
- if ((buf[1] & 0xC0) !== 0x80) {
- self.lastNeed = 1;
- return '\ufffd';
- }
- if (self.lastNeed > 2 && buf.length > 2) {
- if ((buf[2] & 0xC0) !== 0x80) {
- self.lastNeed = 2;
- return '\ufffd';
- }
- }
- }
-}
-
-// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
-function utf8FillLast(buf) {
- var p = this.lastTotal - this.lastNeed;
- var r = utf8CheckExtraBytes(this, buf, p);
- if (r !== undefined) return r;
- if (this.lastNeed <= buf.length) {
- buf.copy(this.lastChar, p, 0, this.lastNeed);
- return this.lastChar.toString(this.encoding, 0, this.lastTotal);
- }
- buf.copy(this.lastChar, p, 0, buf.length);
- this.lastNeed -= buf.length;
-}
-
-// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
-// partial character, the character's bytes are buffered until the required
-// number of bytes are available.
-function utf8Text(buf, i) {
- var total = utf8CheckIncomplete(this, buf, i);
- if (!this.lastNeed) return buf.toString('utf8', i);
- this.lastTotal = total;
- var end = buf.length - (total - this.lastNeed);
- buf.copy(this.lastChar, 0, end);
- return buf.toString('utf8', i, end);
-}
-
-// For UTF-8, a replacement character is added when ending on a partial
-// character.
-function utf8End(buf) {
- var r = buf && buf.length ? this.write(buf) : '';
- if (this.lastNeed) return r + '\ufffd';
- return r;
-}
-
-// UTF-16LE typically needs two bytes per character, but even if we have an even
-// number of bytes available, we need to check if we end on a leading/high
-// surrogate. In that case, we need to wait for the next two bytes in order to
-// decode the last character properly.
-function utf16Text(buf, i) {
- if ((buf.length - i) % 2 === 0) {
- var r = buf.toString('utf16le', i);
- if (r) {
- var c = r.charCodeAt(r.length - 1);
- if (c >= 0xD800 && c <= 0xDBFF) {
- this.lastNeed = 2;
- this.lastTotal = 4;
- this.lastChar[0] = buf[buf.length - 2];
- this.lastChar[1] = buf[buf.length - 1];
- return r.slice(0, -1);
- }
- }
- return r;
- }
- this.lastNeed = 1;
- this.lastTotal = 2;
- this.lastChar[0] = buf[buf.length - 1];
- return buf.toString('utf16le', i, buf.length - 1);
-}
-
-// For UTF-16LE we do not explicitly append special replacement characters if we
-// end on a partial character, we simply let v8 handle that.
-function utf16End(buf) {
- var r = buf && buf.length ? this.write(buf) : '';
- if (this.lastNeed) {
- var end = this.lastTotal - this.lastNeed;
- return r + this.lastChar.toString('utf16le', 0, end);
- }
- return r;
-}
-
-function base64Text(buf, i) {
- var n = (buf.length - i) % 3;
- if (n === 0) return buf.toString('base64', i);
- this.lastNeed = 3 - n;
- this.lastTotal = 3;
- if (n === 1) {
- this.lastChar[0] = buf[buf.length - 1];
- } else {
- this.lastChar[0] = buf[buf.length - 2];
- this.lastChar[1] = buf[buf.length - 1];
- }
- return buf.toString('base64', i, buf.length - n);
-}
-
-function base64End(buf) {
- var r = buf && buf.length ? this.write(buf) : '';
- if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
- return r;
-}
-
-// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
-function simpleWrite(buf) {
- return buf.toString(this.encoding);
-}
-
-function simpleEnd(buf) {
- return buf && buf.length ? this.write(buf) : '';
-}
-},{"safe-buffer":8}],25:[function(require,module,exports){
-(function (global){(function (){
-
-/**
- * Module exports.
- */
-
-module.exports = deprecate;
-
-/**
- * Mark that a method should not be used.
- * Returns a modified function which warns once by default.
- *
- * If `localStorage.noDeprecation = true` is set, then it is a no-op.
- *
- * If `localStorage.throwDeprecation = true` is set, then deprecated functions
- * will throw an Error when invoked.
- *
- * If `localStorage.traceDeprecation = true` is set, then deprecated functions
- * will invoke `console.trace()` instead of `console.error()`.
- *
- * @param {Function} fn - the function to deprecate
- * @param {String} msg - the string to print to the console when `fn` is invoked
- * @returns {Function} a new "deprecated" version of `fn`
- * @api public
- */
-
-function deprecate (fn, msg) {
- if (config('noDeprecation')) {
- return fn;
- }
-
- var warned = false;
- function deprecated() {
- if (!warned) {
- if (config('throwDeprecation')) {
- throw new Error(msg);
- } else if (config('traceDeprecation')) {
- console.trace(msg);
- } else {
- console.warn(msg);
- }
- warned = true;
- }
- return fn.apply(this, arguments);
- }
-
- return deprecated;
-}
-
-/**
- * Checks `localStorage` for boolean values for the given `name`.
- *
- * @param {String} name
- * @returns {Boolean}
- * @api private
- */
-
-function config (name) {
- // accessing global.localStorage can trigger a DOMException in sandboxed iframes
- try {
- if (!global.localStorage) return false;
- } catch (_) {
- return false;
- }
- var val = global.localStorage[name];
- if (null == val) return false;
- return String(val).toLowerCase() === 'true';
-}
-
-}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],26:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var FlatModule_1 = require("./FlatModule");
-var YosysModel_1 = require("./YosysModel");
-var Skin_1 = require("./Skin");
-var Port_1 = require("./Port");
-var _ = require("lodash");
-var clone = require("clone");
-var onml = require("onml");
-var Cell = /** @class */ (function () {
- function Cell(key, type, inputPorts, outputPorts, attributes) {
- var _this = this;
- this.key = key;
- this.type = type;
- this.inputPorts = inputPorts;
- this.outputPorts = outputPorts;
- this.attributes = attributes || {};
- inputPorts.forEach(function (ip) {
- ip.parentNode = _this;
- });
- outputPorts.forEach(function (op) {
- op.parentNode = _this;
- });
- }
- /**
- * creates a Cell from a Yosys Port
- * @param yPort the Yosys Port with our port data
- * @param name the name of the port
- */
- Cell.fromPort = function (yPort, name) {
- var isInput = yPort.direction === YosysModel_1.default.Direction.Input;
- if (isInput) {
- return new Cell(name, '$_inputExt_', [], [new Port_1.Port('Y', yPort.bits)], {});
- }
- return new Cell(name, '$_outputExt_', [new Port_1.Port('A', yPort.bits)], [], {});
- };
- Cell.fromYosysCell = function (yCell, name) {
- this.setAlternateCellType(yCell);
- var template = Skin_1.default.findSkinType(yCell.type);
- var templateInputPids = Skin_1.default.getInputPids(template);
- var templateOutputPids = Skin_1.default.getOutputPids(template);
- var ports = _.map(yCell.connections, function (conn, portName) {
- return new Port_1.Port(portName, conn);
- });
- var inputPorts = ports.filter(function (port) { return port.keyIn(templateInputPids); });
- var outputPorts = ports.filter(function (port) { return port.keyIn(templateOutputPids); });
- if (inputPorts.length + outputPorts.length !== ports.length) {
- var inputPids_1 = YosysModel_1.default.getInputPortPids(yCell);
- var outputPids_1 = YosysModel_1.default.getOutputPortPids(yCell);
- inputPorts = ports.filter(function (port) { return port.keyIn(inputPids_1); });
- outputPorts = ports.filter(function (port) { return port.keyIn(outputPids_1); });
- }
- return new Cell(name, yCell.type, inputPorts, outputPorts, yCell.attributes);
- };
- Cell.fromConstantInfo = function (name, constants) {
- return new Cell(name, '$_constant_', [], [new Port_1.Port('Y', constants)], {});
- };
- /**
- * creates a join cell
- * @param target string name of net (starts and ends with and delimited by commas)
- * @param sources list of index strings (one number, or two numbers separated by a colon)
- */
- Cell.fromJoinInfo = function (target, sources) {
- var signalStrs = target.slice(1, -1).split(',');
- var signals = signalStrs.map(function (ss) { return Number(ss); });
- var joinOutPorts = [new Port_1.Port('Y', signals)];
- var inPorts = sources.map(function (name) {
- return new Port_1.Port(name, getBits(signals, name));
- });
- return new Cell('$join$' + target, '$_join_', inPorts, joinOutPorts, {});
- };
- /**
- * creates a split cell
- * @param source string name of net (starts and ends with and delimited by commas)
- * @param targets list of index strings (one number, or two numbers separated by a colon)
- */
- Cell.fromSplitInfo = function (source, targets) {
- // turn string into array of signal names
- var sigStrs = source.slice(1, -1).split(',');
- // convert the signals into actual numbers
- // after running constant pass, all signals should be numbers
- var signals = sigStrs.map(function (s) { return Number(s); });
- var inPorts = [new Port_1.Port('A', signals)];
- var splitOutPorts = targets.map(function (name) {
- var sigs = getBits(signals, name);
- return new Port_1.Port(name, sigs);
- });
- return new Cell('$split$' + source, '$_split_', inPorts, splitOutPorts, {});
- };
- // Set cells to alternate types/tags based on their parameters
- Cell.setAlternateCellType = function (yCell) {
- if ('parameters' in yCell) {
- // if it has a WIDTH parameter greater than one
- // and doesn't have an address parameter (not a memory cell)
- if ('WIDTH' in yCell.parameters &&
- yCell.parameters.WIDTH > 1 &&
- !('ADDR' in yCell.parameters)) {
- // turn into a bus version
- yCell.type = yCell.type + '-bus';
- }
- }
- };
- Object.defineProperty(Cell.prototype, "Type", {
- get: function () {
- return this.type;
- },
- enumerable: false,
- configurable: true
- });
- Object.defineProperty(Cell.prototype, "Key", {
- get: function () {
- return this.key;
- },
- enumerable: false,
- configurable: true
- });
- Object.defineProperty(Cell.prototype, "InputPorts", {
- get: function () {
- return this.inputPorts;
- },
- enumerable: false,
- configurable: true
- });
- Object.defineProperty(Cell.prototype, "OutputPorts", {
- get: function () {
- return this.outputPorts;
- },
- enumerable: false,
- configurable: true
- });
- Cell.prototype.maxOutVal = function (atLeast) {
- var maxVal = _.max(this.outputPorts.map(function (op) { return op.maxVal(); }));
- return _.max([maxVal, atLeast]);
- };
- Cell.prototype.findConstants = function (sigsByConstantName, maxNum, constantCollector) {
- this.inputPorts.forEach(function (ip) {
- maxNum = ip.findConstants(sigsByConstantName, maxNum, constantCollector);
- });
- return maxNum;
- };
- Cell.prototype.inputPortVals = function () {
- return this.inputPorts.map(function (port) { return port.valString(); });
- };
- Cell.prototype.outputPortVals = function () {
- return this.outputPorts.map(function (port) { return port.valString(); });
- };
- Cell.prototype.collectPortsByDirection = function (ridersByNet, driversByNet, lateralsByNet, genericsLaterals) {
- var template = Skin_1.default.findSkinType(this.type);
- var lateralPids = Skin_1.default.getLateralPortPids(template);
- // find all ports connected to the same net
- this.inputPorts.forEach(function (port) {
- var isLateral = port.keyIn(lateralPids);
- if (isLateral || (template[1]['s:type'] === 'generic' && genericsLaterals)) {
- FlatModule_1.addToDefaultDict(lateralsByNet, port.valString(), port);
- }
- else {
- FlatModule_1.addToDefaultDict(ridersByNet, port.valString(), port);
- }
- });
- this.outputPorts.forEach(function (port) {
- var isLateral = port.keyIn(lateralPids);
- if (isLateral || (template[1]['s:type'] === 'generic' && genericsLaterals)) {
- FlatModule_1.addToDefaultDict(lateralsByNet, port.valString(), port);
- }
- else {
- FlatModule_1.addToDefaultDict(driversByNet, port.valString(), port);
- }
- });
- };
- Cell.prototype.getValueAttribute = function () {
- if (this.attributes && this.attributes.value) {
- return this.attributes.value;
- }
- return null;
- };
- Cell.prototype.getTemplate = function () {
- return Skin_1.default.findSkinType(this.type);
- };
- Cell.prototype.buildElkChild = function () {
- var _this = this;
- var template = this.getTemplate();
- var type = template[1]['s:type'];
- var layoutAttrs = { 'org.eclipse.elk.portConstraints': 'FIXED_POS' };
- var fixedPosX = null;
- var fixedPosY = null;
- for (var attr in this.attributes) {
- if (attr.startsWith('org.eclipse.elk')) {
- if (attr === 'org.eclipse.elk.x') {
- fixedPosX = this.attributes[attr];
- continue;
- }
- if (attr === 'org.eclipse.elk.y') {
- fixedPosY = this.attributes[attr];
- continue;
- }
- layoutAttrs[attr] = this.attributes[attr];
- }
- }
- if (type === 'join' ||
- type === 'split' ||
- type === 'generic') {
- var inTemplates_1 = Skin_1.default.getPortsWithPrefix(template, 'in');
- var outTemplates_1 = Skin_1.default.getPortsWithPrefix(template, 'out');
- var inPorts = this.inputPorts.map(function (ip, i) {
- return ip.getGenericElkPort(i, inTemplates_1, 'in');
- });
- var outPorts = this.outputPorts.map(function (op, i) {
- return op.getGenericElkPort(i, outTemplates_1, 'out');
- });
- var cell = {
- id: this.key,
- width: Number(template[1]['s:width']),
- height: Number(this.getGenericHeight()),
- ports: inPorts.concat(outPorts),
- layoutOptions: layoutAttrs,
- labels: [],
- };
- if (fixedPosX) {
- cell.x = fixedPosX;
- }
- if (fixedPosY) {
- cell.y = fixedPosY;
- }
- this.addLabels(template, cell);
- return cell;
- }
- var ports = Skin_1.default.getPortsWithPrefix(template, '').map(function (tp) {
- return {
- id: _this.key + '.' + tp[1]['s:pid'],
- width: 0,
- height: 0,
- x: Number(tp[1]['s:x']),
- y: Number(tp[1]['s:y']),
- };
- });
- var nodeWidth = Number(template[1]['s:width']);
- var ret = {
- id: this.key,
- width: nodeWidth,
- height: Number(template[1]['s:height']),
- ports: ports,
- layoutOptions: layoutAttrs,
- labels: [],
- };
- if (fixedPosX) {
- ret.x = fixedPosX;
- }
- if (fixedPosY) {
- ret.y = fixedPosY;
- }
- this.addLabels(template, ret);
- return ret;
- };
- Cell.prototype.render = function (cell) {
- var template = this.getTemplate();
- var tempclone = clone(template);
- for (var _i = 0, _a = cell.labels; _i < _a.length; _i++) {
- var label = _a[_i];
- var labelIDSplit = label.id.split('.');
- var attrName = labelIDSplit[labelIDSplit.length - 1];
- setTextAttribute(tempclone, attrName, label.text);
- }
- for (var i = 2; i < tempclone.length; i++) {
- var node = tempclone[i];
- if (node[0] === 'text' && node[1]['s:attribute']) {
- var attrib = node[1]['s:attribute'];
- if (!(attrib in this.attributes)) {
- node[2] = '';
- }
- }
- }
- tempclone[1].id = 'cell_' + this.key;
- tempclone[1].transform = 'translate(' + cell.x + ',' + cell.y + ')';
- if (this.type === '$_split_') {
- setGenericSize(tempclone, Number(this.getGenericHeight()));
- var outPorts_1 = Skin_1.default.getPortsWithPrefix(template, 'out');
- var gap_1 = Number(outPorts_1[1][1]['s:y']) - Number(outPorts_1[0][1]['s:y']);
- var startY_1 = Number(outPorts_1[0][1]['s:y']);
- tempclone.pop();
- tempclone.pop();
- this.outputPorts.forEach(function (op, i) {
- var portClone = clone(outPorts_1[0]);
- portClone[portClone.length - 1][2] = op.Key;
- portClone[1].transform = 'translate(' + outPorts_1[1][1]['s:x'] + ','
- + (startY_1 + i * gap_1) + ')';
- tempclone.push(portClone);
- });
- }
- else if (this.type === '$_join_') {
- setGenericSize(tempclone, Number(this.getGenericHeight()));
- var inPorts_1 = Skin_1.default.getPortsWithPrefix(template, 'in');
- var gap_2 = Number(inPorts_1[1][1]['s:y']) - Number(inPorts_1[0][1]['s:y']);
- var startY_2 = Number(inPorts_1[0][1]['s:y']);
- tempclone.pop();
- tempclone.pop();
- this.inputPorts.forEach(function (port, i) {
- var portClone = clone(inPorts_1[0]);
- portClone[portClone.length - 1][2] = port.Key;
- portClone[1].transform = 'translate(' + inPorts_1[1][1]['s:x'] + ','
- + (startY_2 + i * gap_2) + ')';
- tempclone.push(portClone);
- });
- }
- else if (template[1]['s:type'] === 'generic') {
- setGenericSize(tempclone, Number(this.getGenericHeight()));
- var inPorts_2 = Skin_1.default.getPortsWithPrefix(template, 'in');
- var ingap_1 = Number(inPorts_2[1][1]['s:y']) - Number(inPorts_2[0][1]['s:y']);
- var instartY_1 = Number(inPorts_2[0][1]['s:y']);
- var outPorts_2 = Skin_1.default.getPortsWithPrefix(template, 'out');
- var outgap_1 = Number(outPorts_2[1][1]['s:y']) - Number(outPorts_2[0][1]['s:y']);
- var outstartY_1 = Number(outPorts_2[0][1]['s:y']);
- tempclone.pop();
- tempclone.pop();
- tempclone.pop();
- tempclone.pop();
- this.inputPorts.forEach(function (port, i) {
- var portClone = clone(inPorts_2[0]);
- portClone[portClone.length - 1][2] = port.Key;
- portClone[1].transform = 'translate(' + inPorts_2[1][1]['s:x'] + ','
- + (instartY_1 + i * ingap_1) + ')';
- portClone[1].id = 'port_' + port.parentNode.Key + '~' + port.Key;
- tempclone.push(portClone);
- });
- this.outputPorts.forEach(function (port, i) {
- var portClone = clone(outPorts_2[0]);
- portClone[portClone.length - 1][2] = port.Key;
- portClone[1].transform = 'translate(' + outPorts_2[1][1]['s:x'] + ','
- + (outstartY_1 + i * outgap_1) + ')';
- portClone[1].id = 'port_' + port.parentNode.Key + '~' + port.Key;
- tempclone.push(portClone);
- });
- // first child of generic must be a text node.
- tempclone[2][2] = this.type;
- }
- setClass(tempclone, '$cell_id', 'cell_' + this.key);
- return tempclone;
- };
- Cell.prototype.addLabels = function (template, cell) {
- var _this = this;
- onml.traverse(template, {
- enter: function (node) {
- if (node.name === 'text' && node.attr['s:attribute']) {
- var attrName = node.attr['s:attribute'];
- var newString = void 0;
- if (attrName === 'ref' || attrName === 'id') {
- if (_this.type === '$_constant_' && _this.key.length > 3) {
- var num = parseInt(_this.key, 2);
- newString = '0x' + num.toString(16);
- }
- else {
- newString = _this.key;
- }
- _this.attributes[attrName] = _this.key;
- }
- else if (attrName in _this.attributes) {
- newString = _this.attributes[attrName];
- }
- else {
- return;
- }
- cell.labels.push({
- id: _this.key + '.label.' + attrName,
- text: newString,
- x: node.attr.x,
- y: node.attr.y - 6,
- height: 11,
- width: (6 * newString.length),
- });
- }
- },
- });
- };
- Cell.prototype.getGenericHeight = function () {
- var template = this.getTemplate();
- var inPorts = Skin_1.default.getPortsWithPrefix(template, 'in');
- var outPorts = Skin_1.default.getPortsWithPrefix(template, 'out');
- if (this.inputPorts.length > this.outputPorts.length) {
- var gap = Number(inPorts[1][1]['s:y']) - Number(inPorts[0][1]['s:y']);
- return Number(template[1]['s:height']) + gap * (this.inputPorts.length - 2);
- }
- if (outPorts.length > 1) {
- var gap = Number(outPorts[1][1]['s:y']) - Number(outPorts[0][1]['s:y']);
- return Number(template[1]['s:height']) + gap * (this.outputPorts.length - 2);
- }
- return Number(template[1]['s:height']);
- };
- return Cell;
-}());
-exports.default = Cell;
-function setGenericSize(tempclone, height) {
- onml.traverse(tempclone, {
- enter: function (node) {
- if (node.name === 'rect' && node.attr['s:generic'] === 'body') {
- node.attr.height = height;
- }
- },
- });
-}
-function setTextAttribute(tempclone, attribute, value) {
- onml.traverse(tempclone, {
- enter: function (node) {
- if (node.name === 'text' && node.attr['s:attribute'] === attribute) {
- node.full[2] = value;
- }
- },
- });
-}
-function setClass(tempclone, searchKey, className) {
- onml.traverse(tempclone, {
- enter: function (node) {
- var currentClass = node.attr.class;
- if (currentClass && currentClass.includes(searchKey)) {
- node.attr.class = currentClass.replace(searchKey, className);
- }
- },
- });
-}
-function getBits(signals, indicesString) {
- var index = indicesString.indexOf(':');
- // is it the whole thing?
- if (index === -1) {
- return [signals[Number(indicesString)]];
- }
- else {
- var start = indicesString.slice(0, index);
- var end = indicesString.slice(index + 1);
- var slice = signals.slice(Number(start), Number(end) + 1);
- return slice;
- }
-}
-
-},{"./FlatModule":27,"./Port":28,"./Skin":29,"./YosysModel":30,"clone":98,"lodash":102,"onml":104}],27:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.removeDups = exports.addToDefaultDict = exports.arrayToBitstring = exports.FlatModule = void 0;
-var Skin_1 = require("./Skin");
-var Cell_1 = require("./Cell");
-var _ = require("lodash");
-var FlatModule = /** @class */ (function () {
- function FlatModule(netlist) {
- var _this = this;
- this.moduleName = null;
- _.forEach(netlist.modules, function (mod, name) {
- if (mod.attributes && Number(mod.attributes.top) === 1) {
- _this.moduleName = name;
- }
- });
- // Otherwise default the first one in the file...
- if (this.moduleName == null) {
-
- this.moduleName = Object.keys(netlist.modules)[0];
- }
- var top = netlist.modules[this.moduleName];
- var ports = _.map(top.ports, Cell_1.default.fromPort);
- var cells = _.map(top.cells, function (c, key) { return Cell_1.default.fromYosysCell(c, key); });
- this.nodes = cells.concat(ports);
- // populated by createWires
- this.wires = [];
- }
- // converts input ports with constant assignments to constant nodes
- FlatModule.prototype.addConstants = function () {
- // find the maximum signal number
- var maxNum = this.nodes.reduce((function (acc, v) { return v.maxOutVal(acc); }), -1);
- // add constants to nodes
- var signalsByConstantName = {};
- var cells = [];
- this.nodes.forEach(function (n) {
- maxNum = n.findConstants(signalsByConstantName, maxNum, cells);
- });
- this.nodes = this.nodes.concat(cells);
- };
- // solves for minimal bus splits and joins and adds them to module
- FlatModule.prototype.addSplitsJoins = function () {
- var allInputs = _.flatMap(this.nodes, function (n) { return n.inputPortVals(); });
- var allOutputs = _.flatMap(this.nodes, function (n) { return n.outputPortVals(); });
- var allInputsCopy = allInputs.slice();
- var splits = {};
- var joins = {};
- allInputs.forEach(function (input) {
- gather(allOutputs, allInputsCopy, input, 0, input.length, splits, joins);
- });
- this.nodes = this.nodes.concat(_.map(joins, function (joinOutput, joinInputs) {
- return Cell_1.default.fromJoinInfo(joinInputs, joinOutput);
- })).concat(_.map(splits, function (splitOutputs, splitInput) {
- return Cell_1.default.fromSplitInfo(splitInput, splitOutputs);
- }));
- };
- // search through all the ports to find all of the wires
- FlatModule.prototype.createWires = function () {
- var layoutProps = Skin_1.default.getProperties();
- var ridersByNet = {};
- var driversByNet = {};
- var lateralsByNet = {};
- this.nodes.forEach(function (n) {
- n.collectPortsByDirection(ridersByNet, driversByNet, lateralsByNet, layoutProps.genericsLaterals);
- });
- // list of unique nets
- var nets = removeDups(_.keys(ridersByNet).concat(_.keys(driversByNet)).concat(_.keys(lateralsByNet)));
- var wires = nets.map(function (net) {
- var drivers = driversByNet[net] || [];
- var riders = ridersByNet[net] || [];
- var laterals = lateralsByNet[net] || [];
- var wire = { netName: net, drivers: drivers, riders: riders, laterals: laterals };
- drivers.concat(riders).concat(laterals).forEach(function (port) {
- port.wire = wire;
- });
- return wire;
- });
- this.wires = wires;
- };
- return FlatModule;
-}());
-exports.FlatModule = FlatModule;
-// returns a string that represents the values of the array of integers
-// [1, 2, 3] -> ',1,2,3,'
-function arrayToBitstring(bitArray) {
- var ret = '';
- bitArray.forEach(function (bit) {
- var sbit = String(bit);
- if (ret === '') {
- ret = sbit;
- }
- else {
- ret += ',' + sbit;
- }
- });
- return ',' + ret + ',';
-}
-exports.arrayToBitstring = arrayToBitstring;
-// returns whether needle is a substring of haystack
-function arrayContains(needle, haystack) {
- return (haystack.indexOf(needle) > -1);
-}
-// returns the index of the string that contains a substring
-// given arrhaystack, an array of strings
-function indexOfContains(needle, arrhaystack) {
- return _.findIndex(arrhaystack, function (haystack) {
- return arrayContains(needle, haystack);
- });
-}
-function addToDefaultDict(dict, key, value) {
- if (dict[key] === undefined) {
- dict[key] = [value];
- }
- else {
- dict[key].push(value);
- }
-}
-exports.addToDefaultDict = addToDefaultDict;
-// string (for labels), that represents an index
-// or range of indices.
-function getIndicesString(bitstring, query, start) {
- var splitStart = _.max([bitstring.indexOf(query), start]);
- var startIndex = bitstring.substring(0, splitStart).split(',').length - 1;
- var endIndex = startIndex + query.split(',').length - 3;
- if (startIndex === endIndex) {
- return String(startIndex);
- }
- else {
- return String(startIndex) + ':' + String(endIndex);
- }
-}
-// gather splits and joins
-function gather(inputs, // all inputs
-outputs, // all outputs
-toSolve, // an input array we are trying to solve
-start, // index of toSolve to start from
-end, // index of toSolve to end at
-splits, // container collecting the splits
-joins) {
- // remove myself from outputs list if present
- var outputIndex = outputs.indexOf(toSolve);
- if (outputIndex !== -1) {
- outputs.splice(outputIndex, 1);
- }
- // This toSolve is compconste
- if (start >= toSolve.length || end - start < 2) {
- return;
- }
- var query = toSolve.slice(start, end);
- // are there are perfect matches?
- if (arrayContains(query, inputs)) {
- if (query !== toSolve) {
- addToDefaultDict(joins, toSolve, getIndicesString(toSolve, query, start));
- }
- gather(inputs, outputs, toSolve, end - 1, toSolve.length, splits, joins);
- return;
- }
- var index = indexOfContains(query, inputs);
- // are there any partial matches?
- if (index !== -1) {
- if (query !== toSolve) {
- addToDefaultDict(joins, toSolve, getIndicesString(toSolve, query, start));
- }
- // found a split
- addToDefaultDict(splits, inputs[index], getIndicesString(inputs[index], query, 0));
- // we can match to this now
- inputs.push(query);
- gather(inputs, outputs, toSolve, end - 1, toSolve.length, splits, joins);
- return;
- }
- // are there any output matches?
- if (indexOfContains(query, outputs) !== -1) {
- if (query !== toSolve) {
- // add to join
- addToDefaultDict(joins, toSolve, getIndicesString(toSolve, query, start));
- }
- // gather without outputs
- gather(inputs, [], query, 0, query.length, splits, joins);
- inputs.push(query);
- return;
- }
- gather(inputs, outputs, toSolve, start, start + query.slice(0, -1).lastIndexOf(',') + 1, splits, joins);
-}
-function removeDups(inStrs) {
- var map = {};
- inStrs.forEach(function (str) {
- map[str] = true;
- });
- return _.keys(map);
-}
-exports.removeDups = removeDups;
-
-},{"./Cell":26,"./Skin":29,"lodash":102}],28:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.Port = void 0;
-var Cell_1 = require("./Cell");
-var _ = require("lodash");
-var Port = /** @class */ (function () {
- function Port(key, value) {
- this.key = key;
- this.value = value;
- }
- Object.defineProperty(Port.prototype, "Key", {
- get: function () {
- return this.key;
- },
- enumerable: false,
- configurable: true
- });
- Port.prototype.keyIn = function (pids) {
- return _.includes(pids, this.key);
- };
- Port.prototype.maxVal = function () {
- return _.max(_.map(this.value, function (v) { return Number(v); }));
- };
- Port.prototype.valString = function () {
- return ',' + this.value.join() + ',';
- };
- Port.prototype.findConstants = function (sigsByConstantName, maxNum, constantCollector) {
- var _this = this;
- var constNameCollector = '';
- var constNumCollector = [];
- var portSigs = this.value;
- portSigs.forEach(function (portSig, portSigIndex) {
- // is constant?
- if (portSig === '0' || portSig === '1') {
- maxNum += 1;
- constNameCollector += portSig;
- // replace the constant with new signal num
- portSigs[portSigIndex] = maxNum;
- constNumCollector.push(maxNum);
- // string of constants ended before end of p.value
- }
- else if (constNumCollector.length > 0) {
- _this.assignConstant(constNameCollector, constNumCollector, portSigIndex, sigsByConstantName, constantCollector);
- // reset name and num collectors
- constNameCollector = '';
- constNumCollector = [];
- }
- });
- if (constNumCollector.length > 0) {
- this.assignConstant(constNameCollector, constNumCollector, portSigs.length, sigsByConstantName, constantCollector);
- }
- return maxNum;
- };
- Port.prototype.getGenericElkPort = function (index, templatePorts, dir) {
- var nkey = this.parentNode.Key;
- var type = this.parentNode.getTemplate()[1]['s:type'];
- if (index === 0) {
- var ret = {
- id: nkey + '.' + this.key,
- width: 1,
- height: 1,
- x: Number(templatePorts[0][1]['s:x']),
- y: Number(templatePorts[0][1]['s:y']),
- };
- if ((type === 'generic' || type === 'join') && dir === 'in') {
- ret.labels = [{
- id: nkey + '.' + this.key + '.label',
- text: this.key,
- x: Number(templatePorts[0][2][1].x) - 10,
- y: Number(templatePorts[0][2][1].y) - 6,
- width: (6 * this.key.length),
- height: 11,
- }];
- }
- if ((type === 'generic' || type === 'split') && dir === 'out') {
- ret.labels = [{
- id: nkey + '.' + this.key + '.label',
- text: this.key,
- x: Number(templatePorts[0][2][1].x) - 10,
- y: Number(templatePorts[0][2][1].y) - 6,
- width: (6 * this.key.length),
- height: 11,
- }];
- }
- return ret;
- }
- else {
- var gap = Number(templatePorts[1][1]['s:y']) - Number(templatePorts[0][1]['s:y']);
- var ret = {
- id: nkey + '.' + this.key,
- width: 1,
- height: 1,
- x: Number(templatePorts[0][1]['s:x']),
- y: (index) * gap + Number(templatePorts[0][1]['s:y']),
- };
- if (type === 'generic') {
- ret.labels = [{
- id: nkey + '.' + this.key + '.label',
- text: this.key,
- x: Number(templatePorts[0][2][1].x) - 10,
- y: Number(templatePorts[0][2][1].y) - 6,
- width: (6 * this.key.length),
- height: 11,
- }];
- }
- return ret;
- }
- };
- Port.prototype.assignConstant = function (nameCollector, constants, currIndex, signalsByConstantName, constantCollector) {
- var _this = this;
- // we've been appending to nameCollector, so reverse to get const name
- var constName = nameCollector.split('').reverse().join('');
- // if the constant has already been used
- if (signalsByConstantName.hasOwnProperty(constName)) {
- var constSigs = signalsByConstantName[constName];
- // go back and fix signal values
- var constLength_1 = constSigs.length;
- constSigs.forEach(function (constSig, constIndex) {
- // i is where in port_signals we need to update
- var i = currIndex - constLength_1 + constIndex;
- _this.value[i] = constSig;
- });
- }
- else {
- constantCollector.push(Cell_1.default.fromConstantInfo(constName, constants));
- signalsByConstantName[constName] = constants;
- }
- };
- return Port;
-}());
-exports.Port = Port;
-
-},{"./Cell":26,"lodash":102}],29:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.Skin = void 0;
-var onml = require("onml");
-var _ = require("lodash");
-var Skin;
-(function (Skin) {
- Skin.skin = null;
- function getPortsWithPrefix(template, prefix) {
- var ports = _.filter(template, function (e) {
- try {
- if (e instanceof Array && e[0] === 'g') {
- return e[1]['s:pid'].startsWith(prefix);
- }
- }
- catch (exception) {
- // Do nothing if the SVG group doesn't have a pin id.
- }
- });
- return ports;
- }
- Skin.getPortsWithPrefix = getPortsWithPrefix;
- function filterPortPids(template, filter) {
- var ports = _.filter(template, function (element) {
- var tag = element[0];
- if (element instanceof Array && tag === 'g') {
- var attrs = element[1];
- return filter(attrs);
- }
- return false;
- });
- return ports.map(function (port) {
- return port[1]['s:pid'];
- });
- }
- function getInputPids(template) {
- return filterPortPids(template, function (attrs) {
- if (attrs['s:position']) {
- return attrs['s:position'] === 'top';
- }
- return false;
- });
- }
- Skin.getInputPids = getInputPids;
- function getOutputPids(template) {
- return filterPortPids(template, function (attrs) {
- if (attrs['s:position']) {
- return attrs['s:position'] === 'bottom';
- }
- return false;
- });
- }
- Skin.getOutputPids = getOutputPids;
- function getLateralPortPids(template) {
- return filterPortPids(template, function (attrs) {
- if (attrs['s:dir']) {
- return attrs['s:dir'] === 'lateral';
- }
- if (attrs['s:position']) {
- return attrs['s:position'] === 'left' ||
- attrs['s:position'] === 'right';
- }
- return false;
- });
- }
- Skin.getLateralPortPids = getLateralPortPids;
- function findSkinType(type) {
- var ret = null;
- onml.traverse(Skin.skin, {
- enter: function (node, parent) {
- if (node.name === 's:alias' && node.attr.val === type) {
- ret = parent;
- }
- },
- });
- if (ret == null) {
- onml.traverse(Skin.skin, {
- enter: function (node) {
- if (node.attr['s:type'] === 'generic') {
- ret = node;
- }
- },
- });
- }
- return ret.full;
- }
- Skin.findSkinType = findSkinType;
- function getLowPriorityAliases() {
- var ret = [];
- onml.t(Skin.skin, {
- enter: function (node) {
- if (node.name === 's:low_priority_alias') {
- ret.push(node.attr.value);
- }
- },
- });
- return ret;
- }
- Skin.getLowPriorityAliases = getLowPriorityAliases;
- function getProperties() {
- var vals;
- onml.t(Skin.skin, {
- enter: function (node) {
- if (node.name === 's:properties') {
- vals = _.mapValues(node.attr, function (val) {
- if (!isNaN(Number(val))) {
- return Number(val);
- }
- if (val === 'true') {
- return true;
- }
- if (val === 'false') {
- return false;
- }
- return val;
- });
- }
- else if (node.name === 's:layoutEngine') {
- vals.layoutEngine = node.attr;
- }
- },
- });
- if (!vals.layoutEngine) {
- vals.layoutEngine = {};
- }
- return vals;
- }
- Skin.getProperties = getProperties;
-})(Skin = exports.Skin || (exports.Skin = {}));
-exports.default = Skin;
-
-},{"lodash":102,"onml":104}],30:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-var Yosys;
-(function (Yosys) {
- var ConstantVal;
- (function (ConstantVal) {
- ConstantVal["Zero"] = "0";
- ConstantVal["One"] = "1";
- ConstantVal["X"] = "x";
- })(ConstantVal || (ConstantVal = {}));
- var Direction;
- (function (Direction) {
- Direction["Input"] = "input";
- Direction["Output"] = "output";
- })(Direction = Yosys.Direction || (Yosys.Direction = {}));
- function getInputPortPids(cell) {
- if (cell.port_directions) {
- return Object.keys(cell.port_directions).filter(function (k) {
- return cell.port_directions[k] === Direction.Input;
- });
- }
- return [];
- }
- Yosys.getInputPortPids = getInputPortPids;
- function getOutputPortPids(cell) {
- if (cell.port_directions) {
- return Object.keys(cell.port_directions).filter(function (k) {
- return cell.port_directions[k] === Direction.Output;
- });
- }
- return [];
- }
- Yosys.getOutputPortPids = getOutputPortPids;
- var HideName;
- (function (HideName) {
- HideName[HideName["Hide"] = 0] = "Hide";
- HideName[HideName["NoHide"] = 1] = "NoHide";
- })(HideName || (HideName = {}));
-})(Yosys || (Yosys = {}));
-exports.default = Yosys;
-
-},{}],31:[function(require,module,exports){
-"use strict";
-var __spreadArrays = (this && this.__spreadArrays) || function () {
- for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
- for (var r = Array(s), k = 0, i = 0; i < il; i++)
- for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
- r[k] = a[j];
- return r;
-};
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.removeDummyEdges = void 0;
-var elkGraph_1 = require("./elkGraph");
-var Skin_1 = require("./Skin");
-var _ = require("lodash");
-var onml = require("onml");
-var WireDirection;
-(function (WireDirection) {
- WireDirection[WireDirection["Up"] = 0] = "Up";
- WireDirection[WireDirection["Down"] = 1] = "Down";
- WireDirection[WireDirection["Left"] = 2] = "Left";
- WireDirection[WireDirection["Right"] = 3] = "Right";
-})(WireDirection || (WireDirection = {}));
-function drawModule(g, module) {
- var nodes = module.nodes.map(function (n) {
- var kchild = _.find(g.children, function (c) { return c.id === n.Key; });
- return n.render(kchild);
- });
- removeDummyEdges(g);
- var lines = _.flatMap(g.edges, function (e) {
- var netId = elkGraph_1.ElkModel.wireNameLookup[e.id];
- var numWires = netId.split(',').length - 2;
- var lineStyle = 'stroke-width: ' + (numWires > 1 ? 2 : 1);
- var netName = 'net_' + netId.slice(1, netId.length - 1) + ' width_' + numWires;
- return _.flatMap(e.sections, function (s) {
- var startPoint = s.startPoint;
- s.bendPoints = s.bendPoints || [];
- var bends = s.bendPoints.map(function (b) {
- var l = ['line', {
- x1: startPoint.x,
- x2: b.x,
- y1: startPoint.y,
- y2: b.y,
- class: netName,
- style: lineStyle,
- }];
- startPoint = b;
- return l;
- });
- if (e.junctionPoints) {
- var circles = e.junctionPoints.map(function (j) {
- return ['circle', {
- cx: j.x,
- cy: j.y,
- r: (numWires > 1 ? 3 : 2),
- style: 'fill:#000',
- class: netName,
- }];
- });
- bends = bends.concat(circles);
- }
- var line = [['line', {
- x1: startPoint.x,
- x2: s.endPoint.x,
- y1: startPoint.y,
- y2: s.endPoint.y,
- class: netName,
- style: lineStyle,
- }]];
- return bends.concat(line);
- });
- });
- var labels;
- for (var index in g.edges) {
- if (g.edges.hasOwnProperty(index)) {
- var e = g.edges[index];
- var netId = elkGraph_1.ElkModel.wireNameLookup[e.id];
- var numWires = netId.split(',').length - 2;
- var netName = 'net_' + netId.slice(1, netId.length - 1) +
- ' width_' + numWires +
- ' busLabel_' + numWires;
- if (e.labels !== undefined &&
- e.labels[0] !== undefined &&
- e.labels[0].text !== undefined) {
- var label = [
- ['rect',
- {
- x: e.labels[0].x + 1,
- y: e.labels[0].y - 1,
- width: (e.labels[0].text.length + 2) * 6 - 2,
- height: 9,
- class: netName,
- style: 'fill: white; stroke: none',
- },
- ], ['text',
- {
- x: e.labels[0].x,
- y: e.labels[0].y + 7,
- class: netName,
- },
- '/' + e.labels[0].text + '/',
- ],
- ];
- if (labels !== undefined) {
- labels = labels.concat(label);
- }
- else {
- labels = label;
- }
- }
- }
- }
- if (labels !== undefined && labels.length > 0) {
- lines = lines.concat(labels);
- }
- var svgAttrs = Skin_1.default.skin[1];
- svgAttrs.width = g.width.toString();
- svgAttrs.height = g.height.toString();
- var styles = ['style', {}, ''];
- onml.t(Skin_1.default.skin, {
- enter: function (node) {
- if (node.name === 'style') {
- styles[2] += node.full[2];
- }
- },
- });
- var elements = __spreadArrays([styles], nodes, lines);
- var ret = __spreadArrays(['svg', svgAttrs], elements);
- return onml.s(ret);
-}
-exports.default = drawModule;
-function which_dir(start, end) {
- if (end.x === start.x && end.y === start.y) {
- throw new Error('start and end are the same');
- }
- if (end.x !== start.x && end.y !== start.y) {
- throw new Error('start and end arent orthogonal');
- }
- if (end.x > start.x) {
- return WireDirection.Right;
- }
- if (end.x < start.x) {
- return WireDirection.Left;
- }
- if (end.y > start.y) {
- return WireDirection.Down;
- }
- if (end.y < start.y) {
- return WireDirection.Up;
- }
- throw new Error('unexpected direction');
-}
-function findBendNearDummy(net, dummyIsSource, dummyLoc) {
- var candidates = net.map(function (edge) {
- var bends = edge.sections[0].bendPoints || [null];
- if (dummyIsSource) {
- return _.first(bends);
- }
- else {
- return _.last(bends);
- }
- }).filter(function (p) { return p !== null; });
- return _.minBy(candidates, function (pt) {
- return Math.abs(dummyLoc.x - pt.x) + Math.abs(dummyLoc.y - pt.y);
- });
-}
-function removeDummyEdges(g) {
- // go through each edge group for each dummy
- var dummyNum = 0;
- var _loop_1 = function () {
- var dummyId = '$d_' + String(dummyNum);
- // find all edges connected to this dummy
- var edgeGroup = _.filter(g.edges, function (e) {
- return e.source === dummyId || e.target === dummyId;
- });
- if (edgeGroup.length === 0) {
- return "break";
- }
- var dummyIsSource;
- var dummyLoc = void 0;
- var firstEdge = edgeGroup[0];
- if (firstEdge.source === dummyId) {
- dummyIsSource = true;
- dummyLoc = firstEdge.sections[0].startPoint;
- }
- else {
- dummyIsSource = false;
- dummyLoc = firstEdge.sections[0].endPoint;
- }
- var newEnd = findBendNearDummy(edgeGroup, dummyIsSource, dummyLoc);
- for (var _i = 0, edgeGroup_1 = edgeGroup; _i < edgeGroup_1.length; _i++) {
- var edge = edgeGroup_1[_i];
- var e = edge;
- var section = e.sections[0];
- if (dummyIsSource) {
- section.startPoint = newEnd;
- if (section.bendPoints) {
- section.bendPoints.shift();
- }
- }
- else {
- section.endPoint = newEnd;
- if (section.bendPoints) {
- section.bendPoints.pop();
- }
- }
- }
- // delete junction point if necessary
- var directions = new Set(_.flatMap(edgeGroup, function (edge) {
- var section = edge.sections[0];
- if (dummyIsSource) {
- // get first bend or endPoint
- if (section.bendPoints && section.bendPoints.length > 0) {
- return [section.bendPoints[0]];
- }
- return section.endPoint;
- }
- else {
- if (section.bendPoints && section.bendPoints.length > 0) {
- return [_.last(section.bendPoints)];
- }
- return section.startPoint;
- }
- }).map(function (pt) {
- if (pt.x > newEnd.x) {
- return WireDirection.Right;
- }
- if (pt.x < newEnd.x) {
- return WireDirection.Left;
- }
- if (pt.y > newEnd.y) {
- return WireDirection.Down;
- }
- return WireDirection.Up;
- }));
- if (directions.size < 3) {
- // remove junctions at newEnd
- edgeGroup.forEach(function (edge) {
- if (edge.junctionPoints) {
- edge.junctionPoints = edge.junctionPoints.filter(function (junct) {
- return !_.isEqual(junct, newEnd);
- });
- }
- });
- }
- dummyNum += 1;
- };
- // loop until we can't find an edge group or we hit 10,000
- while (dummyNum < 10000) {
- var state_1 = _loop_1();
- if (state_1 === "break")
- break;
- }
-}
-exports.removeDummyEdges = removeDummyEdges;
-
-},{"./Skin":29,"./elkGraph":32,"lodash":102,"onml":104}],32:[function(require,module,exports){
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.buildElkGraph = exports.ElkModel = void 0;
-var _ = require("lodash");
-var ElkModel;
-(function (ElkModel) {
- ElkModel.wireNameLookup = {};
- ElkModel.dummyNum = 0;
- ElkModel.edgeIndex = 0;
-})(ElkModel = exports.ElkModel || (exports.ElkModel = {}));
-function buildElkGraph(module) {
- var children = module.nodes.map(function (n) {
- return n.buildElkChild();
- });
- ElkModel.edgeIndex = 0;
- ElkModel.dummyNum = 0;
- var edges = _.flatMap(module.wires, function (w) {
- var numWires = w.netName.split(',').length - 2;
- // at least one driver and at least one rider and no laterals
- if (w.drivers.length > 0 && w.riders.length > 0 && w.laterals.length === 0) {
- var ret = [];
- route(w.drivers, w.riders, ret, numWires);
- return ret;
- // at least one driver or rider and at least one lateral
- }
- else if (w.drivers.concat(w.riders).length > 0 && w.laterals.length > 0) {
- var ret = [];
- route(w.drivers, w.laterals, ret, numWires);
- route(w.laterals, w.riders, ret, numWires);
- return ret;
- // at least two drivers and no riders
- }
- else if (w.riders.length === 0 && w.drivers.length > 1) {
- // create a dummy node and add it to children
- var dummyId_1 = addDummy(children);
- ElkModel.dummyNum += 1;
- var dummyEdges = w.drivers.map(function (driver) {
- var sourceParentKey = driver.parentNode.Key;
- var id = 'e' + String(ElkModel.edgeIndex);
- ElkModel.edgeIndex += 1;
- var d = {
- id: id,
- source: sourceParentKey,
- sourcePort: sourceParentKey + '.' + driver.key,
- target: dummyId_1,
- targetPort: dummyId_1 + '.p',
- };
- ElkModel.wireNameLookup[id] = driver.wire.netName;
- return d;
- });
- return dummyEdges;
- // at least one rider and no drivers
- }
- else if (w.riders.length > 1 && w.drivers.length === 0) {
- // create a dummy node and add it to children
- var dummyId_2 = addDummy(children);
- ElkModel.dummyNum += 1;
- var dummyEdges = w.riders.map(function (rider) {
- var sourceParentKey = rider.parentNode.Key;
- var id = 'e' + String(ElkModel.edgeIndex);
- ElkModel.edgeIndex += 1;
- var edge = {
- id: id,
- source: dummyId_2,
- sourcePort: dummyId_2 + '.p',
- target: sourceParentKey,
- targetPort: sourceParentKey + '.' + rider.key,
- };
- ElkModel.wireNameLookup[id] = rider.wire.netName;
- return edge;
- });
- return dummyEdges;
- }
- else if (w.laterals.length > 1) {
- var source_1 = w.laterals[0];
- var sourceParentKey_1 = source_1.parentNode.Key;
- var lateralEdges = w.laterals.slice(1).map(function (lateral) {
- var lateralParentKey = lateral.parentNode.Key;
- var id = 'e' + String(ElkModel.edgeIndex);
- ElkModel.edgeIndex += 1;
- var edge = {
- id: id,
- source: sourceParentKey_1,
- sourcePort: sourceParentKey_1 + '.' + source_1.key,
- target: lateralParentKey,
- targetPort: lateralParentKey + '.' + lateral.key,
- };
- ElkModel.wireNameLookup[id] = lateral.wire.netName;
- return edge;
- });
- return lateralEdges;
- }
- // for only one driver or only one rider, don't create any edges
- return [];
- });
- return {
- id: module.moduleName,
- children: children,
- edges: edges,
- };
-}
-exports.buildElkGraph = buildElkGraph;
-function addDummy(children) {
- var dummyId = '$d_' + String(ElkModel.dummyNum);
- var child = {
- id: dummyId,
- width: 0,
- height: 0,
- ports: [{
- id: dummyId + '.p',
- width: 0,
- height: 0,
- }],
- layoutOptions: { 'org.eclipse.elk.portConstraints': 'FIXED_SIDE' },
- };
- children.push(child);
- return dummyId;
-}
-function route(sourcePorts, targetPorts, edges, numWires) {
- var newEdges = (_.flatMap(sourcePorts, function (sourcePort) {
- var sourceParentKey = sourcePort.parentNode.key;
- var sourceKey = sourceParentKey + '.' + sourcePort.key;
- var edgeLabel;
- if (numWires > 1) {
- edgeLabel = [{
- id: '',
- text: String(numWires),
- width: 4,
- height: 6,
- x: 0,
- y: 0,
- layoutOptions: {
- 'org.eclipse.elk.edgeLabels.inline': true,
- },
- }];
- }
- return targetPorts.map(function (targetPort) {
- var targetParentKey = targetPort.parentNode.key;
- var targetKey = targetParentKey + '.' + targetPort.key;
- var id = 'e' + ElkModel.edgeIndex;
- var edge = {
- id: id,
- labels: edgeLabel,
- sources: [sourceKey],
- targets: [targetKey],
- };
- ElkModel.wireNameLookup[id] = targetPort.wire.netName;
- if (sourcePort.parentNode.type !== '$dff') {
- edge.layoutOptions = { 'org.eclipse.elk.layered.priority.direction': 10,
- 'org.eclipse.elk.edge.thickness': (numWires > 1 ? 2 : 1) };
- }
- else {
- edge.layoutOptions = { 'org.eclipse.elk.edge.thickness': (numWires > 1 ? 2 : 1) };
- }
- ElkModel.edgeIndex += 1;
- return edge;
- });
- }));
- edges.push.apply(edges, newEdges);
-}
-
-},{"lodash":102}],33:[function(require,module,exports){
-(function (global){(function (){
-'use strict';
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.render = exports.dumpLayout = void 0;
-var ELK = (typeof window !== "undefined" ? window['ELK'] : typeof global !== "undefined" ? global['ELK'] : null);
-var onml = require("onml");
-var FlatModule_1 = require("./FlatModule");
-var Skin_1 = require("./Skin");
-var elkGraph_1 = require("./elkGraph");
-var drawModule_1 = require("./drawModule");
-var elk = new ELK();
-
-function createFlatModule(skinData, yosysNetlist) {
- Skin_1.default.skin = onml.p(skinData);
- var layoutProps = Skin_1.default.getProperties();
- var flatModule = new FlatModule_1.FlatModule(yosysNetlist);
- // this can be skipped if there are no 0's or 1's
- if (layoutProps.constants !== false) {
- flatModule.addConstants();
- }
- // this can be skipped if there are no splits or joins
- if (layoutProps.splitsAndJoins !== false) {
- flatModule.addSplitsJoins();
- }
- flatModule.createWires();
- return flatModule;
-}
-exports.createFlatModule = createFlatModule;
-
-function dumpLayout(skinData, yosysNetlist, prelayout, done) {
- var flatModule = createFlatModule(skinData, yosysNetlist);
- var kgraph = elkGraph_1.buildElkGraph(flatModule);
- if (prelayout) {
- done(null, JSON.stringify(kgraph, null, 2));
- return;
- }
- var layoutProps = Skin_1.default.getProperties();
- var promise = elk.layout(kgraph, { layoutOptions: layoutProps.layoutEngine });
- promise.then(function (graph) {
- done(null, JSON.stringify(graph, null, 2));
- }).catch(function (reason) {
- throw Error(reason);
- });
-}
-exports.dumpLayout = dumpLayout;
-
-function render(skinData, yosysNetlist, done, elkData) {
- var flatModule = createFlatModule(skinData, yosysNetlist);
- var kgraph = elkGraph_1.buildElkGraph(flatModule);
- var layoutProps = Skin_1.default.getProperties();
- var promise;
- // if we already have a layout then use it
- if (elkData) {
- promise = new Promise(function (resolve) {
- drawModule_1.default(elkData, flatModule);
- resolve();
- });
- }
- else {
- // otherwise use ELK to generate the layout
- promise = elk.layout(kgraph, { layoutOptions: layoutProps.layoutEngine })
- .then(function (g) { return drawModule_1.default(g, flatModule); })
- // tslint:disable-next-line:no-console
- .catch(function (e) { console.error(e); });
- }
- // support legacy callback style
- if (typeof done === 'function') {
- promise.then(function (output) {
- done(null, output);
- return output;
- }).catch(function (reason) {
- throw Error(reason);
- });
- }
- return promise;
-}
-exports.render = render;
-
-}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./FlatModule":27,"./Skin":29,"./drawModule":31,"./elkGraph":32,"onml":104}],34:[function(require,module,exports){
-(function (Buffer){(function (){
-const lib = require('../built');
-
-const json5 = require('json5');
-const Ajv = require('ajv');
-var ajv = new Ajv({allErrors: true});
-require('ajv-errors')(ajv);
-
-const schema = Buffer("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","base64");
-const analog = "\n";
-const digital = "