Add minutes time functions, for a complete range

lib/utils/monkey-patches.js

@@ -24,7 +24,30 @@ module.exports.uninstall = function() {
 
 module.exports.install = function() {
   /**
-   * Multiplies a number by 1000 to get time in milliseconds
+   * Multiplies a number by 60000 to convert minutes
+   * to milliseconds
+   *
+   * @example
+   * (2).minutes(); //=> 120000
+   * @return {Number} time in milliseconds
+   */
+  Number.prototype.minutes = function() {
+    return this * 60000;
+  };
+
+  /**
+   * Alias for Number.prototype.minutes
+   *
+   * @see Number.prototype.minute
+   * @example
+   * (1).minute(); //=>60000
+   * @return {Number} time in milliseconds
+   */
+  Number.prototype.minute = Number.prototype.minutes;
+
+  /**
+   * Multiplies a number by 1000 to convert seconds
+   * to milliseconds
    *
    * @example
    * (2).seconds(); //=> 2000
@@ -66,7 +89,9 @@ module.exports.install = function() {
   Number.prototype.ms = Number.prototype.milliseconds;
 
   /**
-   * Divides a number by 1000 to get time in microseconds
+   * Converts microseconds to milliseconds.
+   * Note that timing of events in terms of microseconds
+   * is not very accurate in JS.
    *
    * @example
    * (2000).microseconds(); //=> 2

spec/lib/utils/monkey-patches.spec.js

@@ -77,6 +77,18 @@ describe("monkey-patches", function() {
       });
     });
 
+    describe("#minutes", function() {
+      it("allows for expressing time in minutes", function() {
+        expect((5).minutes()).to.be.eql(300000);
+      });
+    });
+
+    describe("#minute", function() {
+      it("allows for expressing time per minute", function() {
+        expect((1).minute()).to.be.eql(60000);
+      });
+    });
+
     describe("#fromScale", function() {
       it("converts a value from one scale to 0-1 scale", function() {
         expect((5).fromScale(0, 10)).to.be.eql(0.5);