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duration-formatter

v1.0.7

Published

Simple duration formatting to turn seconds into strings representing lengths of time.

Downloads

235

Readme

Duration Formatter and Parser

Simple duration formatting to turn seconds into strings representing lengths of time.

i.e.

timeFromSeconds(5053) returns "01:24:13"

and vice versa:

secondsFromTime("01:24:13") returns 5053

Basic Usage

Basic usage is illustrated with just two functions, timeFromSeconds and secondsFromTime:

import {timeFromSeconds, secondsFromTime} from 'duration-formatter';
 
var time_string = timeFromSeconds(5053);
 
console.log( time_string );

var parsed_seconds = secondsFromTime('01:24:13');

console.log( parsed_seconds );

Which outputs:

'01:24:13' 
5053

Using Custom Templates

By default, timeFromSeconds returns a string in the format: [Hours]:[Minutes]:[Seconds]

This can be changed by passing a function to the output_template option like so:

var input_time = 5053;

var output_template = (hours,minutes,seconds)=>  hours+'H '+minutes+'M '+seconds+'S';
var time_str = timeFromSeconds(input_time, { output_template });

console.log(time_str);

This outputs the a string in the new output format: 01H 24M 13S

To convert strings in your specified format back to a number you can specify the template_string option to the secondsFromTime function like so:

var template_string = "{H}H {M}M {S}S";
var seconds = secondsFromTime(time_str, {template_string});

console.log(seconds);

This outputs the original input time. In this case 5053.

Functions

timeFromSeconds(seconds, options = {})

seconds: Number

options: Object containing any combination of the following options:

  • hours_padding: Integer (defaults to 2)

  • minutes_padding: Integer (defaults to 2)

  • seconds_padding: Integer (defaults to 2)

  • seconds_decimal_places: Integer (defaults to 0)

  • decimal_symbol: String (defaults to ",")

  • output_template: Function that takes parameters determines the formatting of the parsed seconds. Defaults to (hours, minutes, seconds)=> `${ hours }:${ minutes }:${ seconds }` Note that each parameter is a string, so you will have to parse them to numbers if you wish to combine them.


secondsFromTime(time_string, options = {})

time_string: String in the format returned by the default output template of timeFromSeconds

options: Object containing any combination of the following options:

  • decimal_symbol: String (defaults to ",")
  • template_string String (defaults to "{H}:{M}:{S}")