Lots of changes

.gitignore

@@ -1 +1,2 @@
 .DS_Store
+node_modules

.travis.yml

@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+  - 0.6
+  - 0.8

README.md

@@ -1,8 +1,21 @@
-# BitArray: A simple bit array/bit field library in pure JavaScript
+[![Build Status](https://secure.travis-ci.org/microjs/bitarray.png?branch=master)](https://travis-ci.org/microjs/bitarray)
+# BitArray
+
+BitArray is a simple bit array/bit field library in pure JavaScript
 
 BitArray is based on the Ruby library BitArray by Peter Cooper (https://github.com/peterc/bitarray).
 
-Basic, pure JavaScript bit field. 
+Basic, pure JavaScript bit field.
+
+## Installation
+
+Server:
+
+    $ npm install bitarray
+
+Client:
+
+    $ component install microjs/bitarray
 
 ## Examples
 
@@ -19,10 +32,17 @@ ba.set(100, 1);
 ba.get(100); // => 1
 
 ba.set(100, 0);
-ba.get(100); // = > 0
+ba.get(100); // => 0
+```
+
+Create a BitArray where all the bits default to 1:
+
+```javascript
+var ba = new BitArray(100, 1);
+ba.get(50); // => 1
 ```
 
-More:
+toString:
 
 ```javascript
 var ba = new BitArray(20);

bitarray.js

@@ -1,5 +1,8 @@
+"use strict";
+
 function BitArray(size, value){
-  if(value === undefined) value = 0;
+  if (typeof this === 'undefined') return new BitArray(size, value);
+  if (typeof value === 'undefined') value = 0;
   this.size = size;
   this.field = new Array(~~((size - 1) / BitArray.ELEMENT_WIDTH) + 1);
   for(var i = 0; i < this.field.length; i++) 
@@ -35,4 +38,7 @@ BitArray.prototype.toString = function(){
     return binary;
   }).reverse().join('');
   return string.split('').reverse().join('').slice(0,this.size);
-}
+}
+
+if (typeof module != 'undefined')
+  module.exports = BitArray;

component.json

@@ -0,0 +1,15 @@
+{
+  "name": "bitarray",
+  "repo": "microjs/bitarray",
+  "description": "Pure JavaScript bit array/bitfield implementation",
+  "version": "1.0.0",
+  "keywords": [],
+  "dependencies": {},
+  "development": {},
+  "scripts": [
+    "bitarray.js"
+  ],
+  "main": "bitarray.js",
+  "twitter": "@ForbesLindesay",
+  "license": "MIT"
+}

package.json

@@ -0,0 +1,19 @@
+{
+  "name": "bitarray",
+  "version": "1.0.0",
+  "description": "Pure JavaScript bit array/bitfield implementation",
+  "main": "./bitarray.js",
+  "scripts": {
+    "test": "mocha -R spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ForbesLindesay/bitarray.git"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "mocha": "*",
+    "better-assert": "*"
+  },
+  "dependencies": {}
+}

test.js

@@ -1,18 +1,30 @@
-var fs = require('fs'), filedata = fs.readFileSync('bitarray.js','utf8');
-eval(filedata);
+var assert = require('better-assert');
+var BitArray = require('./');
 
-var ba = new BitArray(200);
-ba.set(100, 1);
-console.log(ba.field);
-console.log(ba.get(100), 'should be 1');
+describe('a bit array of length 200', function () {
+  var ba = BitArray(200);
+  it('lets you set a value to 1', function () {
+    ba.set(100, 1);
+    assert(ba.get(100) === 1);
+  });
+  it('lets you set that value back to 0', function () {
+    ba.set(100, 0);
+    assert(ba.get(100) === 0);
+  });
+});
 
-ba.set(100, 0);
-console.log(ba.get(100), 'should be 0');
+describe('a bit array of length 20', function () {
+  it('lets you set lots of values independently', function () {
+    var ba = BitArray(20);
+    [1,3,5,9,11,13,15].forEach(function(i){ ba.set(i, 1) });
+    assert(ba.toString() === '01010100010101010000');
+  });
+});
 
-ba = new BitArray(20);
-[1,3,5,9,11,13,15].forEach(function(i){ ba.set(i, 1) });
-console.log(ba.toString() == '01010100010101010000', 'should be true');
-
-ba = new BitArray(33,1);
-[0].forEach(function(i){ ba.set(i, 0) });
-console.log(ba.toString() == '011111111111111111111111111111111', 'should be true');
+describe('a bit array with a default of 1', function () {
+  it('lets you set a bit to 0', function () {
+    var ba = BitArray(33,1);
+    ba.set(0, 0)
+    assert(ba.toString() == '011111111111111111111111111111111');
+  });
+});