Merge pull request #6 from dnode/feature/define-format-for-output

Define format for output

Readme.md

@@ -81,3 +81,11 @@ Available unit types are:
 - years (y, yr)
 
 And its easy to add more
+
+### parse(str, format)
+
+The output format can also be defined
+
+```js
+parse('1hr 20mins', 'm') // => 80
+```

index.js

@@ -50,16 +50,18 @@ parse.y = parse.d * 365.25
  * convert `str` to ms
  *
  * @param {String} str
+ * @param {String} format
  * @return {Number}
  */
 
-function parse(str){
+function parse(str, format){
+  format = format || 'ms'
   var result = null
   // ignore commas
   str = str.replace(/(\d),(\d)/g, '$1$2')
   str.replace(duration, function(_, n, units){
     units = parse[units] || parse[units.toLowerCase().replace(/s$/, '')]
     if (units) result = (result || 0) + parseFloat(n, 10) * units
   })
-  return result
+  return result / parse[format]
 }

package.json

@@ -1,7 +1,7 @@
 {
   "name": "parse-duration",
   "version": "0.2.1",
-  "description": "convert a human readable duration string to ms",
+  "description": "convert a human readable duration string to a duration format",
   "keywords": [
     "parse",
     "duration",