parse-duration

convert a human readable duration to ms

Installation

then in your app:

import parse from 'parse-duration'

or CommonJS:

var parse = require('parse-duration')

API

parse(str, format='ms')

Convert str to ms

var ns = parse('1ns') // => 1 / 1e6
var μs = parse('1μs') // => 1 / 1000
var ms = parse('1ms') // => 1
var s = parse('1s')   // => ms * 1000
var m = parse('1m')   // => s * 60
var h = parse('1h')   // => m * 60
var d = parse('1d')   // => h * 24
var w = parse('1w')   // => d * 7
var y = parse('1y')   // => d * 365.25

It can also handle basic compound expressions

parse('1hr 20mins') // => 1 * h + 20 * m

whitespace

parse('1 hr 20 mins') // => 1 * h + 20 * m

comma seperated numbers

parse('27,681 ns') // => 27681 * ns

And most other types of noise

parse('running length: 1hour:20mins') // => 1 * h + 20 * m

You can even use negatives

parse('2hr -40mins') // => 1 * h + 20 * m

And exponents

parse('2e3s') // => 2000 * s

Available unit types are:

• nanoseconds (ns)
• microseconds (μs)
• milliseconds (ms)
• seconds (s, sec)
• minutes (m, min)
• hours (h, hr)
• days (d)
• weeks (w, wk)
• months
• years (y, yr)

And its easy to add more, including unicode:

parse['сек'] = parse['sec']
parse('5сек') // => 5000

The output format can also be defined

parse('1hr 20mins', 'm') // => 80