diff --git a/README.md b/README.md
index eec6ccf..f97ca61 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@ Install
 
 ```
 npm i vcd-stream
+make wasm
 ```
 
 Require
diff --git a/lib/wrapper.js b/lib/wrapper.js
index 3934bc3..db06330 100644
--- a/lib/wrapper.js
+++ b/lib/wrapper.js
@@ -1,5 +1,7 @@
 'use strict';
 
+/* global BigInt */
+
 const dotProp = require('dot-prop');
 
 function _waitForStart(mod) {
@@ -51,18 +53,18 @@ module.exports = () => {
     }
     bindCWrap();
     bindCallback();
-  }
+  };
 
   // gets a string from a c heap pointer and length
-  const getString = (name,len) => {
-     const view = wasm.HEAPU8.subarray(name, name+len);
+  const getString = (name, len) => {
+    const view = wasm.HEAPU8.subarray(name, name+len);
 
-     let string = '';
-     for (let i = 0; i < len; i++) {
-        string += String.fromCharCode(view[i]);
-     }
-     return string;
-  }
+    let string = '';
+    for (let i = 0; i < len; i++) {
+      string += String.fromCharCode(view[i]);
+    }
+    return string;
+  };
 
   let boundInfo;
 
@@ -83,6 +85,7 @@ module.exports = () => {
     boundSet = wasm.addFunction(function(name, len, type, v0, v1) {
 
       let prop = getString(name, len);
+      let tmp;
 
       switch(type) {
         // set number
@@ -102,7 +105,7 @@ module.exports = () => {
           break;
         // path to path (any type)
         case 3:
-          let tmp = dotProp.get(boundInfo, getString(v0, v1));
+          tmp = dotProp.get(boundInfo, getString(v0, v1));
           // console.log(`for ${getString(v0, v1)} got ${tmp}, set to ${prop}`);
           dotProp.set(boundInfo, prop, tmp);
           break;
@@ -121,7 +124,7 @@ module.exports = () => {
 
     boundGet = wasm.addFunction(function(name, len) {
       let prop = getString(name, len);
-      return 42;
+      return prop;
     }, 'iii');
 
 
@@ -140,12 +143,12 @@ module.exports = () => {
       const view0 = wasm.HEAPU8.subarray(value, value+(valueWords*8));
       const view1 = wasm.HEAPU8.subarray(mask,  mask+(valueWords*8));
 
-      let big_value = u8ToBn(view0);
-      let big_mask = u8ToBn(view1);
+      let bigValue = u8ToBn(view0);
+      let bigMask = u8ToBn(view1);
 
-      // console.log(big_value.toString(16));
+      // console.log(bigValue.toString(16));
 
-      ee[1](name, time, command, big_value, big_mask);
+      ee[1](name, time, command, bigValue, bigMask);
     }, 'viiiiiii');
 
   };
@@ -157,20 +160,20 @@ module.exports = () => {
       boundInfo = info;
       ee[0] = cb0;
       ee[1] = cb1;
-      context = c.init(boundEE0,boundEE1,boundSet,boundGet);
+      context = c.init(boundEE0, boundEE1, boundSet, boundGet);
+      return context;
     },
     execute: (ctx, cb0, cb1, info, chunk) => {
       boundInfo = info;
       ee[0] = cb0;
       ee[1] = cb1;
-      c.execute(ctx,boundEE0,boundEE1,boundSet,boundGet,chunk.toString());
+      c.execute(ctx, boundEE0, boundEE1, boundSet, boundGet, chunk.toString());
     },
     setTrigger: (ctx, triggerString) => {
       return c.setTrigger(ctx, triggerString);
     },
     getTime: (ctx) => {
       return BigInt(c.getTime(ctx));
-    },
-    time: () => total + start
+    }
   };
 };