update build steps

.gitignore

@@ -1 +1,2 @@
 /node_modules/
+/build/

Gulpfile.js

@@ -2,15 +2,17 @@ var gulp = require('gulp');
 var $ = require('gulp-load-plugins')({
   scope: 'devDependencies'
 });
-var runSequence = require('run-sequence');
 
-gulp.task('lint', function () {
+var runSequence = require('run-sequence');
+var del = require('del');
+
+gulp.task('static-analysis:lint', function () {
   gulp.src('src/**/*.js')
     .pipe($.jshint('.jshintrc'))
     .pipe($.jshint.reporter('jshint-stylish'));
 });
 
-gulp.task('cs', function () {
+gulp.task('static-analysis:cs', function () {
   return gulp.src('src/**/*.js')
     .pipe($.jscs());
 });
@@ -20,8 +22,22 @@ gulp.task('test', function () {
     .pipe($.mocha());
 });
 
-gulp.task('minify', function () {
-  return gulp.src('src/*.js')
+gulp.task('build:clean', function (callback) {
+  del(['build/**/*'], callback);
+});
+
+gulp.task('build:copy-src-to-build', function () {
+  return gulp.src('src/**/*.js')
+    .pipe(gulp.dest('build'));
+});
+
+gulp.task('build:copy-build-to-dist', function () {
+  return gulp.src('build/**/*.js')
+    .pipe(gulp.dest('dist'));
+});
+
+gulp.task('build:minify', function () {
+  return gulp.src('build/**/*.js')
     .pipe($.sourcemaps.init())
     .pipe($.uglify())
     .pipe($.rename({
@@ -33,12 +49,17 @@ gulp.task('minify', function () {
 
 gulp.task('build', function (callback) {
   runSequence(
-    ['lint', 'cs', 'test'],
-    'minify',
+    ['static-analysis:lint', 'static-analysis:cs', 'test'],
+    'build:clean',
+    'build:copy-src-to-build',
+    'build:copy-build-to-dist',
+    'build:minify',
     callback
   );
 });
 
-gulp.task('ci', ['lint', 'cs', 'test']);
+gulp.task('sa', ['static-analysis:lint', 'static-analysis:cs']);
+
+gulp.task('ci', ['static-analysis:lint', 'static-analysis:cs', 'test']);
 
 gulp.task('default', ['build']);

bower.json

@@ -1,7 +1,7 @@
 {
   "name": "timestring",
-  "main": "timestring.js",
-  "version": "1.1.0",
+  "main": "dist/timestring.js",
+  "version": "2.0.0",
   "description": "Parse a human readable time string into a time based value",
   "homepage": "https://github.com/mike182uk/timestring",
   "authors": [
@@ -10,11 +10,12 @@
   "license": "MIT",
   "ignore": [
     "**/.*",
+    "node_modules",
+    "test",
     "CHANGELOG.md",
-    "Gulpfile.js",
     "LICENSE",
     "README.md",
-    "node_modules",
-    "test"
+    "Gulpfile.js",
+    "package.json"
   ]
 }

dist/timestring.js

@@ -0,0 +1,112 @@
+(function(){
+  "use strict";
+
+  var Timestring = function(settings) {
+    // default settings
+    var defaults = {
+      hoursPerDay: 24,
+      daysPerWeek: 7,
+      weeksPerMonth: 4,
+      monthsPerYear: 12
+    };
+
+    // merge default settings with user settings
+    settings = settings || {};
+    this.settings = defaults;
+    for (var s in settings) { this.settings[s] = settings[s]; }
+
+    // time units
+    this.units = {
+      s: ['s', 'sec', 'secs', 'second', 'seconds'],
+      m: ['m', 'min', 'mins', 'minute', 'minutes'],
+      h: ['h', 'hr', 'hrs', 'hour', 'hours'],
+      d: ['d', 'day', 'days'],
+      w: ['w', 'week', 'weeks'],
+      mth: ['mth', 'mths','month', 'months'],
+      y: ['y', 'yr', 'yrs', 'year', 'years']
+    };
+
+    // time unit seconds mappings
+    this.unitValues = {
+      s: 1,
+      m: 60,
+      h: 3600
+    };
+
+    // dynamic time unit seconds mappings
+    // these are dynamic based on the settings
+    this.unitValues.d = this.settings.hoursPerDay * this.unitValues.h;
+    this.unitValues.w = this.settings.daysPerWeek * this.unitValues.d;
+    this.unitValues.mth = this.settings.weeksPerMonth * this.unitValues.w;
+    this.unitValues.y = this.settings.monthsPerYear * this.unitValues.mth;
+  };
+
+  Timestring.prototype.parse = function(string, returnUnit) {
+    // reference to this
+    var that = this;
+
+    // get unit key helper
+    function getUnitKey(unit) {
+      for (var k in that.units) {
+        for (var u in that.units[k]) {
+          if (unit === that.units[k][u]) {
+            return k;
+          }
+        }
+      }
+
+      // throw error if invalid unit was passed
+      throw new Error('The unit [' + unit + '] is not supported by timestring');
+    }
+
+    // convert a value to a specific unit
+    function convert(value, unit) {
+      var baseValue = that.unitValues[getUnitKey(unit)];
+
+      return value / baseValue;
+    }
+
+    // get a value in seconds based on a specific unit
+    function getSeconds(value, unit) {
+      var baseValue = that.unitValues[getUnitKey(unit)];
+
+      return value * baseValue;
+    }
+
+    // seconds counter
+    var totalSeconds = 0;
+
+    // split string into groups and get total seconds for each group
+    var groups = string
+                  .toLowerCase() // convert words to lower case
+                  .replace(/[^\.\w+-]+/g, '') // remove white space
+                  .match(/[-+]?[0-9]+[a-z]+/g); // match time groups (digit followed by time unit - i.e 5d 15m = 2 time groups)
+
+    if (groups !== null) {
+      for(var i = 0; i < groups.length; i++) {
+        var g = groups[i];
+        var value = g.match(/[0-9]+/g)[0];
+        var unit = g.match(/[a-z]+/g)[0];
+
+        totalSeconds += getSeconds(value, unit);
+      }
+    }
+
+    // return total, convert if needed
+    return (returnUnit) ? convert(totalSeconds, returnUnit) : totalSeconds;
+  };
+
+  // add convenience method to string prototype
+  String.prototype.parseTime = function (unit, settings) {
+    return (new Timestring(settings)).parse(this, unit);
+  };
+
+  // export Timestring object
+  if (typeof module !== 'undefined' && module.exports) {
+    module.exports = Timestring;
+  }
+  else {
+    this.Timestring = Timestring;
+  }
+
+}).call(this);

package.json

@@ -7,10 +7,11 @@
     "type": "git",
     "url": "git://github.com/mike182uk/timestring.git"
   },
-  "main": "timestring.js",
-  "version": "1.1.0",
+  "main": "dist/timestring.js",
+  "version": "2.0.0",
   "devDependencies": {
     "chai": "^2.3.0",
+    "del": "^1.1.1",
     "gulp": "^3.8.11",
     "gulp-jscs": "^1.6.0",
     "gulp-jshint": "^1.10.0",