Utilities and an initial webpack loader

lib/utils/README.md

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+![](https://s.gravatar.com/avatar/f105de3decfafc734b8eabe9a960b25d?size=64) utils
+=================
+
+Utilities for working with [AssemblyScript](http://assemblyscript.org) modules.
+
+Usage
+-----
+
+```js
+import utils from "@assemblyscript/utils";
+
+var myModule = ...;
+
+var helpers = utils(myModule);
+
+var str = helpers.getString(myModule.exportReturningAString());
+```

lib/utils/index.js

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+module.exports = function(module) {
+  return {
+    getI32: function(ptr) {
+      return new Int32Array(module.memory.buffer, ptr, 4)[0];
+    },
+    getU32: function(ptr) {
+      return new Uint32Array(module.memory.buffer, ptr, 4)[0];
+    },
+    getF32: function(ptr) {
+      return new Float32Array(module.memory.buffer, ptr, 4)[0];
+    },
+    getF64: function(ptr) {
+      return new Float64Array(module.memory.buffer, ptr, 8)[0];
+    },
+    getString: function(ptr) {
+      var len = new Uint32Array(module.memory.buffer, ptr, 4)[0];
+      var str = new Uint16Array(module.memory.buffer, ptr + 4, len << 1);
+      return String.fromCharCode.apply(String, str);
+    }
+  }
+};

lib/utils/package.json

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+{
+  "name": "@assemblyscript/utils",
+  "version": "0.5.0",
+  "description": "Utilities for working with AssemblyScript modules.",
+  "license": "Apache-2.0"
+}