53 lines
1.8 KiB
Markdown
53 lines
1.8 KiB
Markdown
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# ms
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[](https://travis-ci.org/zeit/ms)
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[](https://github.com/sindresorhus/xo)
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[](https://zeit.chat/)
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Use this package to easily convert various time formats to milliseconds.
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## Examples
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```js
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ms('2 days') // 172800000
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ms('1d') // 86400000
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ms('10h') // 36000000
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ms('2.5 hrs') // 9000000
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ms('2h') // 7200000
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ms('1m') // 60000
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ms('5s') // 5000
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ms('1y') // 31557600000
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ms('100') // 100
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```
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### Convert from milliseconds
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```js
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ms(60000) // "1m"
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ms(2 * 60000) // "2m"
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ms(ms('10 hours')) // "10h"
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```
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### Time format written-out
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```js
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ms(60000, { long: true }) // "1 minute"
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ms(2 * 60000, { long: true }) // "2 minutes"
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ms(ms('10 hours'), { long: true }) // "10 hours"
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```
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## Features
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- Works both in [node](https://nodejs.org) and in the browser.
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- If a number is supplied to `ms`, a string with a unit is returned.
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- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`).
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- If you pass a string with a number and a valid unit, the number of equivalent ms is returned.
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## Caught a bug?
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1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
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2. Link the package to the global module directory: `npm link`
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3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, node will now use your clone of ms!
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As always, you can run the tests using: `npm test`
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