Added UMD & bower support, bumped version

.gitignore

@@ -26,3 +26,5 @@ node_modules
 
 # Users Environment Variables
 .lock-wscript
+
+.idea

bower.json

@@ -0,0 +1,24 @@
+{
+  "name": "round-date",
+  "main": "roundDate.js",
+  "version": "1.0.1",
+  "homepage": "https://github.com/atruskie/round-date",
+  "description": "A small module for rounding dates to arbitrary intervals",
+  "moduleType": [
+    "amd",
+    "globals",
+    "node"
+  ],
+  "keywords": [
+    "round",
+    "date"
+  ],
+  "license": "MIT",
+  "ignore": [
+    "**/.*",
+    "node_modules",
+    "bower_components",
+    "test",
+    "tests"
+  ]
+}

package.json

@@ -1,8 +1,8 @@
 {
   "name": "round-date",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "A small module for rounding dates to arbitrary intervals",
-  "main": "index.js",
+  "main": "roundDate.js",
   "scripts": {
     "test": "tape test/*.js"
   },

roundDate.js

@@ -0,0 +1,53 @@
+(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define([], factory);
+    } else if (typeof exports === 'object') {
+        // Node. Does not work with strict CommonJS, but
+        // only CommonJS-like environments that support module.exports,
+        // like Node.
+        module.exports = factory();
+    } else {
+        // Browser globals (root is window)
+        root.returnExports = factory();
+    }
+}(this, function () {
+
+    function roundDate(roundStyle, roundToSeconds, date) {
+        if (arguments.length !== 3) {
+            throw new Error("Expected  2 arguments");
+        }
+
+        var startOfDay = new Date(date).setHours(0, 0, 0),
+            roundToMilliseconds = roundToSeconds * 1000,
+            msFromMidnight = (+date) - startOfDay,
+            remainder = msFromMidnight % roundToMilliseconds,
+            result = msFromMidnight;
+
+        if (remainder !== 0) {
+            if (roundStyle === "round") {
+                var fraction = (msFromMidnight / roundToMilliseconds) % 1;
+                roundStyle = fraction >= 0.5 ? "ceil" : "floor";
+            }
+
+            if (roundStyle === "floor") {
+                result -= remainder
+            }
+            else if (roundStyle === "ceil") {
+                result += (roundToMilliseconds - remainder);
+            }
+            else {
+                return;
+            }
+        }
+
+        return new Date(startOfDay + result);
+    }
+
+    return {
+        round: roundDate.bind(null, "round"),
+        floor: roundDate.bind(null, "floor"),
+        ceil: roundDate.bind(null, "ceil")
+    };
+}));
+