Submitting Issues

If you are submitting a bug, please create a jsfiddle demonstrating the issue.

Contributing code

To contribute, fork the library and install grunt and dependencies. You need node; use nvm or nenv to install it.

git clone https://github.com/moment/moment.git
cd moment
npm install -g grunt-cli
npm install
git checkout develop  # all patches against develop branch, please!
grunt                 # this runs tests and jshint

Very important notes

• Pull pull requests to the master branch will be closed. Please submit all pull requests to the develop branch.
• Locale translations will not be merged without unit tests. See the British English unit tests for an example.
• Do not include the minified files in your pull request. Don't worry, we'll build them when we cut a release.

Grunt tasks

We use Grunt for managing the build. Here are some useful Grunt tasks:

• grunt The default task lints the code and runs the tests. You should make sure you do this before submitting a PR.
• grunt nodeunit:all Just run the tests.
• grunt release Build everything, including minified files
• grunt release --embedLocales=fr,ru Build everything, and also create moment-with-customLocales.js and moment-with-customLocales.min.js containing just French and Russian.
• grunt size Print size statistics.