142 lines
4.1 KiB
Markdown
142 lines
4.1 KiB
Markdown
# Timestring
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[](https://www.npmjs.com/package/timestring)
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[](http://travis-ci.org/mike182uk/timestring)
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[](https://codeclimate.com/github/mike182uk/timestring)
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[](https://coveralls.io/r/mike182uk/timestring)
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[](https://www.npmjs.com/package/timestring)
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[](https://www.npmjs.com/package/timestring)
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[](http://commitizen.github.io/cz-cli/)
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Parse a human readable time string into a time based value.
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## Installation
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```bash
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npm install --save timestring
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```
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## Usage
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### Overview
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```js
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var timestring = require('timestring');
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var str = '1h 15m';
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var time = timestring(str);
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console.log(time); // will log 4500
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```
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**By default the returned time value from `timestring` will be in seconds.**
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The time string can contain as many time groups as needed:
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```js
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var str = '1d 3h 25m 18s';
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var time = timestring(str);
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console.log(time); // will log 98718
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```
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and can be as messy as you like:
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```js
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var str = '1 d 3HOurS 25 min 1 8s';
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var time = timestring(str);
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console.log(time); // will log 98718
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```
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### Keywords
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Timestring will parse the following keywords into time values:
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1. `ms, milli, millisecond, milliseconds` - will parse to milliseconds
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2. `s, sec, secs, second, seconds` - will parse to seconds
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3. `m, min, mins, minute, minutes` - will parse to minutes
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4. `h, hr, hrs, hour, hours` - will parse to hours
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5. `d, day, days` - will parse to days
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6. `w, week, weeks` - will parse to weeks
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7. `mth, mths, month, months` - will parse to months
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8. `y, yr, yrs, year, years` - will parse to years
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Keywords can be used interchangeably:
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```js
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var str = '1day 15h 20minutes 15s';
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var time = timestring(str);
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console.log(time); // will log 141615
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```
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### Return Time Value
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By default the return time value will be in seconds. This can be changed by passing one of the following strings as an argument to `timestring`:
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1. `ms` - Milliseconds
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2. `s` - Seconds
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3. `m` - Minutes
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4. `h` - Hours
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5. `d` - Days
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6. `w` - Weeks
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7. `mth` - Months
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8. `y` - Years
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```js
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var str = '22h 16m';
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var hours = timestring(str, 'h'); // 22.266666666666666
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var days = timestring(str, 'd'); // 0.9277777777777778
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var weeks = timestring(str, 'w'); // 0.13253968253968254
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```
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### Optional Configuration
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A few assumptions are made by default:
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1. There are 24 hours per day
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2. There are 7 days per week
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3. There are 4 weeks per month
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4. There are 12 months per year
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These options can be changed by passing an options object as an argument to `timestring`.
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The following options are configurable:
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1. `hoursPerDay`
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2. `daysPerWeek`
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3. `weeksPerMonth`
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4. `monthsPerYear`
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```js
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var str = '1d';
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var opts = {
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hoursPerDay: 1
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}
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var time = timestring(str, 'h', opts);
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console.log(time); // will log 1
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```
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In the example above `hoursPerDay` is being set to `1`. When the time string is being parsed, the return value is being specified as hours. Normally `1d` would parse to `24` hours (as by default there are 24 hours in a day) but because `hoursPerDay` has been set to `1`, `1d` will now only parse to `1` hour.
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This would be useful for specific application needs.
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*Example - Employees of my company work 7.5 hours a day, and only work 5 days a week. In my time tracking app, when they type `1d` i want 7.5 hours to be tracked. When they type `1w` i want 5 days to be tracked etc.*
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```js
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var opts = {
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hoursPerDay: 7.5,
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daysPerWeek: 5
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}
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var hoursToday = timestring('1d', 'h', opts);
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var daysThisWeek = timestring('1w', 'd', opts);
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console.log(hoursToday); // will log 7.5
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console.log(daysThisWeek); // will log 5
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```
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