通过 electron 实现窗口打开

.gitignore

@@ -1,2 +1,3 @@
 node_modules
-*.exe
+*.exe
+dist

package-lock.json

@@ -12,11 +12,13 @@
         "body-parser": "^1.20.3",
         "bson": "^6.8.0",
         "cors": "^2.8.5",
+        "electron": "^33.0.1",
         "express": "^4.21.1",
         "morgan": "^1.10.0"
       },
       "devDependencies": {
         "@types/cors": "^2.8.17",
+        "@types/electron": "^1.6.10",
         "@types/express": "^5.0.0",
         "@types/morgan": "^1.9.9",
         "@types/node": "^22.7.5",
@@ -36,6 +38,47 @@
         "node": ">=12"
       }
     },
+    "node_modules/@electron/get": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@electron/get/-/get-2.0.3.tgz",
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+      "dependencies": {
+        "debug": "^4.1.1",
+        "env-paths": "^2.2.0",
+        "fs-extra": "^8.1.0",
+        "got": "^11.8.5",
+        "progress": "^2.0.3",
+        "semver": "^6.2.0",
+        "sumchecker": "^3.0.1"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "optionalDependencies": {
+        "global-agent": "^3.0.0"
+      }
+    },
+    "node_modules/@electron/get/node_modules/debug": {
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+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.7.tgz",
+      "integrity": "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@electron/get/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
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+    },
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       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
@@ -61,6 +104,28 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
+    "node_modules/@sindresorhus/is": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-4.6.0.tgz",
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+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sindresorhus/is?sponsor=1"
+      }
+    },
+    "node_modules/@szmarczak/http-timer": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/@szmarczak/http-timer/-/http-timer-4.0.6.tgz",
+      "integrity": "sha512-4BAffykYOgO+5nzBWYwE3W90sBgLJoUPRWWcL8wlyiM8IB8ipJz3UMJ9KXQd1RKQXpKp8Tutn80HZtWsu2u76w==",
+      "dependencies": {
+        "defer-to-connect": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/@tsconfig/node10": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.11.tgz",
@@ -95,6 +160,17 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/cacheable-request": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/@types/cacheable-request/-/cacheable-request-6.0.3.tgz",
+      "integrity": "sha512-IQ3EbTzGxIigb1I3qPZc1rWJnH0BmSKv5QYTalEwweFvyBDLSAe24zP0le/hyi7ecGfZVlIVAg4BZqb8WBwKqw==",
+      "dependencies": {
+        "@types/http-cache-semantics": "*",
+        "@types/keyv": "^3.1.4",
+        "@types/node": "*",
+        "@types/responselike": "^1.0.0"
+      }
+    },
     "node_modules/@types/connect": {
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       "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
@@ -113,6 +189,16 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/electron": {
+      "version": "1.6.10",
+      "resolved": "https://registry.npmjs.org/@types/electron/-/electron-1.6.10.tgz",
+      "integrity": "sha512-MOCVyzIwkBEloreoCVrTV108vSf8fFIJPsGruLCoAoBZdxtnJUqKA4lNonf/2u1twSjAspPEfmEheC+TLm/cMw==",
+      "deprecated": "This is a stub types definition for electron (https://github.com/electron/electron). electron provides its own type definitions, so you don't need @types/electron installed!",
+      "dev": true,
+      "dependencies": {
+        "electron": "*"
+      }
+    },
     "node_modules/@types/express": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/@types/express/-/express-5.0.0.tgz",
@@ -137,12 +223,25 @@
         "@types/send": "*"
       }
     },
+    "node_modules/@types/http-cache-semantics": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/@types/http-cache-semantics/-/http-cache-semantics-4.0.4.tgz",
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+    },
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       "dev": true
     },
+    "node_modules/@types/keyv": {
+      "version": "3.1.4",
+      "resolved": "https://registry.npmjs.org/@types/keyv/-/keyv-3.1.4.tgz",
+      "integrity": "sha512-BQ5aZNSCpj7D6K2ksrRCTmKRLEpnPvWDiLPfoGyhZ++8YtiK9d/3DBKPJgry359X/P1PfruyYwvnvwFjuEiEIg==",
+      "dependencies": {
+        "@types/node": "*"
+      }
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       "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.5.tgz",
@@ -162,7 +261,6 @@
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-      "dev": true,
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@@ -179,6 +277,14 @@
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       "dev": true
     },
+    "node_modules/@types/responselike": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@types/responselike/-/responselike-1.0.3.tgz",
+      "integrity": "sha512-H/+L+UkTV33uf49PH5pCAUBVPNj2nDBXTN+qS1dOwyyg24l3CcicicCA7ca+HMvJBZcFgl5r8e+RR6elsb4Lyw==",
+      "dependencies": {
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       "resolved": "https://registry.npmjs.org/@types/send/-/send-0.17.4.tgz",
@@ -200,6 +306,15 @@
         "@types/send": "*"
       }
     },
+    "node_modules/@types/yauzl": {
+      "version": "2.10.3",
+      "resolved": "https://registry.npmjs.org/@types/yauzl/-/yauzl-2.10.3.tgz",
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+      "optional": true,
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@@ -286,6 +401,13 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
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+      "resolved": "https://registry.npmjs.org/boolean/-/boolean-3.2.0.tgz",
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+      "deprecated": "Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.",
+      "optional": true
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@@ -294,6 +416,14 @@
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       }
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+    "node_modules/buffer-crc32": {
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+      "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz",
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@@ -302,6 +432,31 @@
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+        "get-stream": "^5.1.0",
+        "http-cache-semantics": "^4.0.0",
+        "keyv": "^4.0.0",
+        "lowercase-keys": "^2.0.0",
+        "normalize-url": "^6.0.1",
+        "responselike": "^2.0.0"
+      },
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@@ -320,6 +475,17 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/clone-response": {
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+      "resolved": "https://registry.npmjs.org/clone-response/-/clone-response-1.0.3.tgz",
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+      "dependencies": {
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+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -378,6 +544,39 @@
         "ms": "2.0.0"
       }
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+    "node_modules/decompress-response": {
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+      },
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+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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+    "node_modules/decompress-response/node_modules/mimic-response": {
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+      "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-3.1.0.tgz",
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+      "engines": {
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+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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@@ -394,6 +593,23 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
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+      "funding": {
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@@ -411,6 +627,12 @@
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+      "hasInstallScript": true,
+      "dependencies": {
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+        "@types/node": "^20.9.0",
+        "extract-zip": "^2.0.1"
+      },
+      "bin": {
+        "electron": "cli.js"
+      },
+      "engines": {
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@@ -433,6 +680,22 @@
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@@ -452,11 +715,29 @@
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+      "optional": true,
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@@ -506,6 +787,54 @@
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@@ -917,6 +1535,21 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
     },
+    "node_modules/serialize-error": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/serialize-error/-/serialize-error-7.0.1.tgz",
+      "integrity": "sha512-8I8TjW5KMOKsZQTvoxjuSIa7foAwPWGOts+6o7sgjz41/qMD9VQHEDxi6PBvK2l0MXUmqZyNpUK+T2tQaaElvw==",
+      "optional": true,
+      "dependencies": {
+        "type-fest": "^0.13.1"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/serve-static": {
       "version": "1.16.2",
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
@@ -969,6 +1602,12 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/sprintf-js": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.3.tgz",
+      "integrity": "sha512-Oo+0REFV59/rz3gfJNKQiBlwfHaSESl1pcGyABQsnnIfWOFt6JNj5gCog2U6MLZ//IGYD+nA8nI+mTShREReaA==",
+      "optional": true
+    },
     "node_modules/statuses": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
@@ -977,6 +1616,38 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/sumchecker": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/sumchecker/-/sumchecker-3.0.1.tgz",
+      "integrity": "sha512-MvjXzkz/BOfyVDkG0oFOtBxHX2u3gKbMHIF/dXblZsgD3BWOFLmHovIpZY7BykJdAjcqRCBi1WYBNdEC9yI7vg==",
+      "dependencies": {
+        "debug": "^4.1.0"
+      },
+      "engines": {
+        "node": ">= 8.0"
+      }
+    },
+    "node_modules/sumchecker/node_modules/debug": {
+      "version": "4.3.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.7.tgz",
+      "integrity": "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/sumchecker/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
     "node_modules/toidentifier": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
@@ -1028,6 +1699,18 @@
         }
       }
     },
+    "node_modules/type-fest": {
+      "version": "0.13.1",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.13.1.tgz",
+      "integrity": "sha512-34R7HTnG0XIJcBSn5XhDd7nNFPRcXYRZrBB2O2jdKqYODldSzBAqzsWoZYYvduky73toYS/ESqxPvkDf/F0XMg==",
+      "optional": true,
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -1056,8 +1739,15 @@
     "node_modules/undici-types": {
       "version": "6.19.8",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
-      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw=="
-      "dev": true
+    },
+    "node_modules/universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+      "engines": {
+        "node": ">= 4.0.0"
+      }
     },
     "node_modules/unpipe": {
       "version": "1.0.0",
@@ -1089,6 +1779,20 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
+    },
+    "node_modules/yauzl": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==",
+      "dependencies": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
+      }
+    },
     "node_modules/yn": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",

package.json

@@ -1,30 +1,30 @@
 {
-  "name": "digital-vcd-backend",
+    "name": "digital-vcd-backend",
-  "version": "1.0.0",
+    "version": "1.0.0",
-  "description": "",
+    "description": "",
-  "main": "index.js",
+    "main": "dist/main.js",
-  "scripts": {
+    "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+        "test": "echo \"Error: no test specified\" && exit 1",
-    "serve": "node dist/index.js"
+        "build": "tsc",
-  },
+        "serve": "npm run build && electron ."
-  "author": "LSTM-Kirigaya",
+    },
-  "license": "MIT",
+    "author": "LSTM-Kirigaya",
-  "scripts": {
+    "license": "MIT",
-    "serve": "npx ts-node src/main.ts"
+    "devDependencies": {
-  },
+        "@types/cors": "^2.8.17",
-  "devDependencies": {
+        "@types/electron": "^1.6.10",
-    "@types/cors": "^2.8.17",
+        "@types/express": "^5.0.0",
-    "@types/express": "^5.0.0",
+        "@types/morgan": "^1.9.9",
-    "@types/morgan": "^1.9.9",
+        "@types/node": "^22.7.5",
-    "@types/node": "^22.7.5",
+        "ts-node": "^10.9.2",
-    "ts-node": "^10.9.2",
+        "typescript": "^5.6.3"
-    "typescript": "^5.6.3"
+    },
-  },
+    "dependencies": {
-  "dependencies": {
+        "body-parser": "^1.20.3",
-    "body-parser": "^1.20.3",
+        "bson": "^6.8.0",
-    "bson": "^6.8.0",
+        "cors": "^2.8.5",
-    "cors": "^2.8.5",
+        "electron": "^33.0.1",
-    "express": "^4.21.1",
+        "express": "^4.21.1",
-    "morgan": "^1.10.0"
+        "morgan": "^1.10.0"
-  }
+    }
-}
+}

public/index.html

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Digital VCD 开发后端</title>
+</head>
+<body>
+    <h1>Save File Example</h1>
+    <button id="save-file">Save File</button>
+
+    <script>
+        document.getElementById('save-file').addEventListener('click', () => {
+            window.electron.showSaveDialog();
+        });
+    </script>
+</body>
+</html>

src/main.ts

@@ -1,30 +1,47 @@
-
+import { app, BrowserWindow } from 'electron';
-
 import express, { Request, Response } from 'express';
 import morgan from 'morgan';
 import cors from 'cors';
 
-import bodyParser from 'body-parser';
+import { saveView, saveViewAs } from './save-view';
-import { saveView } from './save-view';
+import { createWindow } from './windows';
 
 const corsOptions = {
     // 一些旧版浏览器（如 IE11、各种 SmartTV）在 204 状态下会有问题
     optionsSuccessStatus: 200
 };
 
-const app = express();
+const backendApp = express();
 
-app.use(express.json());
+backendApp.use(express.json());
-app.use(cors(corsOptions));
+backendApp.use(cors(corsOptions));
-app.use(morgan('dev'));
+backendApp.use(morgan('dev'));
 
-app.get('/', (req: Request, res: Response) => {
+backendApp.get('/', (req: Request, res: Response) => {
     res.send('<h1>Hello, World!</h1><br><img src="https://picx.zhimg.com/v2-b4251de7d2499e942c7ebf447a90d2eb_l.jpg"/>');
 });
 
-app.post('/save-view', saveView);
+backendApp.post('/save-view', saveView);
+backendApp.post('/save-view-as', saveViewAs);
 
 const PORT = process.env.PORT || 3000;
-app.listen(PORT, () => {
+backendApp.listen(PORT, () => {
     console.log(`Server is running on port ${PORT}`);
+});
+
+// 下面注册 electron 窗口
+app.on('ready', () => {
+    createWindow();
+});
+
+app.on('activate', () => {
+    if (BrowserWindow.getAllWindows().length === 0) {
+        createWindow();
+    }
+});
+
+app.on('window-all-closed', () => {
+    if (process.platform !== 'darwin') {
+        app.quit();
+    }
 });

src/preload.ts

@@ -0,0 +1,5 @@
+import { contextBridge, ipcRenderer } from 'electron';
+
+contextBridge.exposeInMainWorld('electron', {
+    showSaveDialog: () => ipcRenderer.send('show-save-dialog'),
+});

src/save-view.ts

@@ -3,20 +3,28 @@ import * as path from 'path';
 import * as fs from 'fs';
 import { BSON } from 'bson';
 import { rootPath } from './global';
+import { showSaveViewDialog } from './windows';
 
 const payloadCache = new Map<string, any>();
 
+function mergePayloadCache(file: string, payload: any) {
+    if (!payloadCache.has(file)) {
+        payloadCache.set(file, payload);
+    }
+    const originPayload = payloadCache.get(file);
+    Object.assign(originPayload, payload);
+    return originPayload;
+}
+
 export async function saveView(req: Request, res: Response) {
     try {
-        const { file, payload } = req.body;
+        // 此处的 payload 可以是 partial
-        if (!payloadCache.has(file)) {
+        const { originVcdFile, originVcdViewFile, payload } = req.body;
-            payloadCache.set(file, payload);
+        payload.originVcdFile = path.isAbsolute(originVcdFile) ? originVcdFile : path.join(path.resolve(rootPath), originVcdFile).replace(/\\/g, '/');
-        }
 
-        const originPayload = payloadCache.get(file);
+        const originPayload = mergePayloadCache(originVcdViewFile, payload);
-        Object.assign(originPayload, payload);
 
-        const savePath = path.join(rootPath, file);
+        const savePath = path.isAbsolute(originVcdViewFile) ? originVcdViewFile : path.join(rootPath, originVcdViewFile);
         const buffer = BSON.serialize(originPayload);
         fs.writeFileSync(savePath, buffer);
         res.send('success');
@@ -24,4 +32,36 @@ export async function saveView(req: Request, res: Response) {
         console.log('error happen in /save-view, ' + error);
         res.send('error');
     }
+}
+
+export async function saveViewAs(req: Request, res: Response) {
+    try {
+        // 先保存原来的文件 payload 一定是 all
+        const { originVcdFile, originVcdViewFile, payload } = req.body;
+        payload.originVcdFile = path.isAbsolute(originVcdFile) ? originVcdFile : path.join(path.resolve(rootPath), originVcdFile).replace(/\\/g, '/');
+
+        const originPayload = mergePayloadCache(originVcdViewFile, payload);
+
+        // 询问新的路径
+        const savePath = await showSaveViewDialog();
+
+        if (savePath) {
+            const buffer = BSON.serialize(originPayload);
+            fs.writeFileSync(savePath, buffer);
+            
+            // 创建新的缓存 savePath 会成为新的 originVcdViewFile
+            mergePayloadCache(savePath, payload);
+
+            res.send({
+                viewPath: savePath.replace(/\\/g, '/')
+            });
+        } else {
+            res.send({
+                viewPath: undefined
+            });
+        }
+    } catch (error) {
+        console.log('error happen in /save-view-as, ' + error);
+        res.send('error');
+    }
 }

src/windows.ts

@@ -0,0 +1,36 @@
+
+import { BrowserWindow, dialog } from 'electron';
+import * as path from 'path';
+
+export function createWindow() {
+    const mainWindow = new BrowserWindow({
+        width: 800,
+        height: 600,
+        webPreferences: {
+            preload: path.join(__dirname, 'preload.js'),
+            nodeIntegration: false,
+            contextIsolation: true,
+        },
+    });
+
+    mainWindow.loadFile('public/index.html');
+}
+
+// 在主进程中定义一个方法来显示保存对话框
+export async function showSaveViewDialog(): Promise<string | undefined> {
+    const result = await dialog.showSaveDialog({
+        title: 'Save File',
+        defaultPath: path.join(__dirname, 'sample.txt'),
+        buttonLabel: 'Save',
+        filters: [
+            { name: 'Text Files', extensions: ['txt'] },
+            { name: 'All Files', extensions: ['*'] },
+        ],
+    });
+    
+    if (!result.canceled && result.filePath) {
+        return result.filePath;
+    } else {
+        return undefined;
+    }
+}