Add wat2js command and instructions

README.md

@@ -58,12 +58,18 @@ There is a browser example included in [example.html](example.html) and [example
 The bulk of this module is implemented in WebAssembly in the [blake2b.wat](blake2b.wat) file.
 The format of this file is S-Expressions that can be compiled to their binary WASM representation by doing
 
+```
+wat2wasm blake2b.wat -o blake2b.wasm
+```
+
+To build the thin Javascript wrapper for the WASM module use `wat2js`:
+
 ```
 # also available as `npm run compile`
-wast2wasm blake2b.wat -o blake2b.wasm
+wat2js blake2b.wat -o blake2b.js
 ```
 
-If you do not have `wast2wasm` installed follow the instructions here, https://github.com/WebAssembly/wabt
+If you do not have `wat2wasm` installed follow the instructions here, https://github.com/WebAssembly/wabt
 
 ## License
 

package.json

@@ -9,10 +9,11 @@
   "devDependencies": {
     "blake2b": "^1.2.0",
     "browserify": "^14.4.0",
-    "tape": "^4.6.3"
+    "tape": "^4.6.3",
+    "wat2js": "^1.1.1"
   },
   "scripts": {
-    "compile": "wast2wasm blake2b.wat -o blake2b.wasm",
+    "compile": "wat2js blake2b.wat -o blake2b.js",
     "demo": "browserify example.js > bundle.js",
     "test": "tape test.js"
   },