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css-time

A tiny library that converts milliseconds to and from CSS time.

css-time.js

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A tiny JavaScript library that converts milliseconds to and from CSS time.

Why would I want that?

Converting to and from CSS time is really not difficult. But this library saves you the bother of making sure you get it right and is well-supported by unit tests. It's one less thing to worry about, right? :)

How tiny is it?

1.4 kb unminified with comments, 0.5 kb minified, 0.3 kb minified + gzipped

How do I install it?

If you're using npm:

npm install css-time --save

Or if you just want the git repo:

git clone git@github.com:philbooth/css-time.js.git

If you're into other package managers, it is also available from Bower, Component and Jam.

How do I use it?

Loading the library

If you are running in Node.js, Browserify or another CommonJS-style environment, you can require check-types like so:

var check = require('css-time');

It also the supports the AMD-style format preferred by Require.js.

If you are including css-time.js with an HTML <script> tag, or neither of the above environments are detected, it will export the interface globally as cssTime.

Calling the exported functions

Two functions are exported, from and to.

from (string)

Returns the number of milliseconds represented by a CSS time string. If the argument can't be parsed as a CSS time, an error is thrown.

cssTime.from('500ms'); // returns 500 
cssTime.from('-1.5s'); // returns -1500 

to (number)

Returns a CSS time string representing the number of milliseconds passed in the argument. If the argument is not a number, an error is thrown.

cssTime.to(500); // returns '500ms' 
cssTime.to(-0.5); // returns '-0.5ms' 

Where can I use it?

The code is all written in ES3 syntax, so works in any browser.

How do I set up the build environment?

Dependencies

The build environment relies on Node.js, NPM, JSHint, Mocha, Chai and UglifyJS. Assuming that you already have Node.js and NPM set up, you just need to run npm install to install all of the dependencies as listed in package.json.

The unit tests are in test/css-time.js. You can run them with the command npm test. To run the tests in a browser, open test/css-time.html.

What license is it released under?

MIT