diff --git a/.jshintrc b/.jshintrc
new file mode 100644
index 0000000..e13db26
--- /dev/null
+++ b/.jshintrc
@@ -0,0 +1,29 @@
+{
+  "browser": false,
+  "node": true,
+  "camelcase": true,
+  "eqeqeq": false,
+  "indent": 2,
+  "quotmark": "single",
+  "newcap": true,
+  "trailing": true,
+  "undef": true,
+  "unused": true,
+  "latedef": true,
+  "eqnull": true,
+  "globals": {
+    "describe"  : true,
+    "xdescribe" : true,
+    "it"        : true,
+    "xit"       : true,
+    "expect"    : true,
+    "assert"    : true,
+    "beforeEach": true,
+    "before"    : true,
+    "afterEach" : true,
+    "after"     : true,
+    "chai"      : true,
+    "mocha"     : true,
+    "sinon"     : true
+  }
+}
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..20fd86b
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - 0.10
diff --git a/README.md b/README.md
index 01b2b64..260eeeb 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,26 @@ date-range
 ==========
 
 Generate a range of dates
+
+## Install
+
+## API
+
+```javascript
+var range = require('date-range');
+
+var end = new Date();
+end.setHours(0); end.setMinutes(0); end.setSeconds(0); end.setMilliseconds(0);
+var start = new Date(end - (range.DAY * 5));
+
+console.log(range(start, end));
+/*
+[ Wed Feb 26 2014 00:00:00 GMT-0500 (EST),
+  Thu Feb 27 2014 00:00:00 GMT-0500 (EST),
+  Fri Feb 28 2014 00:00:00 GMT-0500 (EST),
+  Sat Mar 01 2014 00:00:00 GMT-0500 (EST),
+  Sun Mar 02 2014 00:00:00 GMT-0500 (EST),
+  Mon Mar 03 2014 00:00:00 GMT-0500 (EST) ]
+*/
+
+```
diff --git a/index.js b/index.js
index e69de29..a4906a4 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var toString = {}.toString;
+function isDate(d) {
+  return toString.call(d) === '[object Date]';
+}
+
+/**
+ * Creates an array of dates
+ *
+ * @param {Date} start
+ * @param {Date} [end]
+ * @param {Number} [step]
+ *
+ * @return {Array}
+ */
+function range(start, end, step) {
+  end = end || new Date();
+  step = step || range.defaultStep;
+
+  if (!isDate(start) || !isDate(end)) throw new TypeError();
+
+  var length = Math.ceil((end - start) / step);
+  var out = new Array(length);
+  out[0] = start;
+
+  for (var i = +start + step, j = 1; i < +end; i += step, j += 1) {
+    out[j] = new Date(i);
+  }
+  out[length] = end;
+  return out;
+}
+
+range.MS = 1;
+range.SEC = 1e3;
+range.MIN = 60e3;
+range.HOUR = range.MIN * 60;
+range.DAY = range.HOUR * 24;
+
+range.defaultStep = range.DAY;
+
+module.exports = range;
diff --git a/package.json b/package.json
index b74ab43..342b4ef 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,8 @@
   "description": "Generate a range of dates",
   "main": "index.js",
   "scripts": {
-    "test": "mocha --recursive -R test/"
+    "pretest": "jshint --reporter node_modules/jshint-stylish/stylish.js index.js test.js",
+    "test": "mocha test.js"
   },
   "repository": {
     "type": "git",
@@ -29,5 +30,11 @@
   "bugs": {
     "url": "https://github.com/landau/date-range/issues"
   },
-  "homepage": "https://github.com/landau/date-range"
+  "homepage": "https://github.com/landau/date-range",
+  "devDependencies": {
+    "jshint-stylish": "~0.1.5",
+    "mocha": "~1.17.1",
+    "jshint": "~2.4.4",
+    "should": "~3.1.3"
+  }
 }
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..2b15126
--- /dev/null
+++ b/test.js
@@ -0,0 +1,71 @@
+/* jshint expr:true */
+/* jshint unused:false */
+'use strict';
+
+var range = require('./');
+var should = require('should');
+
+function setTime(d, v) {
+  v = v || 0;
+  ['Hours', 'Minutes', 'Seconds', 'Milliseconds'].forEach(function (m) {
+    d['set' + m](v);
+  });
+  return d;
+}
+
+describe('range', function () {
+  var d1 = new Date();
+  setTime(d1);
+  var d2 = new Date(d1 - (range.DAY * 2)); // - 2 days
+
+  it('should throw an error if start or end is not a date', function() {
+
+    var errs = [];
+
+    try {
+      range(d2, 'foo');
+    } catch(e) {
+      errs.push(e);
+    }
+
+    try {
+      range('foo', d1);
+    } catch(e) {
+      errs.push(e);
+    }
+
+    errs.length.should.equal(2);
+    errs.every(function(v) { return v instanceof TypeError; }).should.be.true;
+  });
+
+  before(function() {
+    this.dr = range(new Date(d1 - (range.DAY * 3)), d1);
+  });
+
+  it('should return an array', function() {
+    this.dr.should.be.instanceof(Array);
+  });
+
+  it('should create an array of length 4', function() {
+    this.dr.length.should.equal(4);
+  });
+
+  it('should step by 1 day', function() {
+    this.dr.slice(1).every(function (d, i) {
+      return d - this.dr[i] === range.DAY;
+    }, this).should.be.true;
+  });
+
+  it('should default to new date for end', function() {
+    var dr = range(d2);
+    dr.length.should.equal(4);
+  });
+
+  it('should work with multiple step types', function() {
+    ['MS', 'SEC', 'MIN', 'HOUR', 'DAY'].forEach(function(m) {
+      var d = new Date(d1 - (range[m] * 5));
+      var dr = range(d, d1, range[m]);
+      dr.length.should.equal(6);
+    });
+  });
+});