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CONTRIBUTING.md

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So you're telling me you want to spend some of your precious time giving back to this humble project? You're crazy. But since you're here...there are some ways you can help make Video.js a faster, easier, more compatible, and more fully-featured video player.

  • Bug reports and fixes
  • Features and changes (pull requests)
  • Answer questions on Stack Overflow
  • Other Video.js projects

Don't miss the code style guide.

Getting started

  1. Download and install Node.js. Video.js uses Node for build and test automation.

  2. Fork and clone the video.js git repository.

# Clones your fork of the repo into the current directory in terminal
git clone https://github.com/<your-username>/video-js.git
# Navigate to the newly cloned directory
cd video-js
# Assigns the original repo to a remote called "upstream"
git remote add upstream https://github.com/zencoder/video-js.git

In the future, if you want to pull in updates to video.js that happened after you cloned the main repo, you can run:

git checkout master
git pull upstream master
  1. Install the grunt-cli package so that you will have the correct version of grunt available from any project that needs it. This should be done as a global install:
npm install -g grunt-cli
  1. Install required node.js modules using node package manager.
npm install
  1. Build a local copy. Video.js uses grunt, a node-based task automation tool for building and tesing. The following will compile a local copy in the dist/ directory and run tests. It will also create a sourcelist.js file that can be used to load the video.js source scripts in a page.
grunt
  1. When you're ready to add a feature, make a change, or fix a bug, first create a new branch for it. Prefix the branch with the correspoding issue number. If there isn't one, submit a new issue. Anything more complicated than simple docs changes should have an issue.
git checkout -b <####-branch-name>

Bugs

A bug is a demonstrable problem that is caused by the code in the repository. Good bug reports are extremely helpful - thank you!

Guidelines for bug reports:

  1. Use the GitHub issue search — check if the issue has already been reported.

  2. Check if the issue has been fixed — try to reproduce it using the latest master branch in the repository.

  3. Isolate the problem — ideally create a reduced test case and a live example.

A good bug report shouldn't leave others needing to chase you up for more information. Please try to be as detailed as possible in your report. What is your environment? What steps will reproduce the issue? What browser(s), OS, and devices experience the problem? What would you expect to be the outcome? All these details will help people to fix any potential bugs.

Example:

Short and descriptive example bug report title

A summary of the issue and the browser/OS environment in which it occurs. If suitable, include the steps required to reproduce the bug.

  1. This is the first step
  2. This is the second step
  3. Further steps, etc.

<url> (a link to the reduced test case)

Any other information you want to share that is relevant to the issue being reported. This might include the lines of code that you have identified as causing the bug, and potential solutions (and your opinions on their merits).

File a bug report

NOTE: Testing Flash Locall in Chrome

Chrome 21+ (as of 2013/01/01) doens't run Flash files that are local and loaded into a locally accessed page (file:///). To get around this you need to disable the version of Flash included with Chrome and enable a system-wide version of Flash.

Pull requests

Good pull requests - patches, improvements, new features - are a fantastic help. They should remain focused in scope and avoid containing unrelated commits. If your contribution involves a significant amount of work or substantial changes to any part of the project, please open an issue to discuss it first.

Make sure to adhere to the coding conventions used throughout a project (indentation, accurate comments, etc.). Please update any documentation that is relevant to the change you're making.

Please follow this process; it's the best way to get your work included in the project:

  1. Fork the project, clone your fork, and configure the remotes:

    # Clones your fork of the repo into the current directory in terminal
git clone https://github.com/<your-username>/html5-boilerplate.git
# Navigate to the newly cloned directory
cd html5-boilerplate
# Assigns the original repo to a remote called "upstream"
git remote add upstream https://github.com/h5bp/html5-boilerplate.git

  2. If you cloned a while ago, get the latest changes from upstream:

    git checkout master
git pull upstream master

  3. Create a new topic branch to contain your feature, change, or fix:

    git checkout -b <topic-branch-name>

  4. Commit your changes in logical chunks. Please adhere to these git commit message guidelines or your pull request is unlikely be merged into the main project. Use git's interactive rebase feature to tidy up your commits before making them public.

  5. Locally merge (or rebase) the upstream development branch into your topic branch:

    git pull [--rebase] upstream master

  6. Push your topic branch up to your fork:

    git push origin <topic-branch-name>

  7. Open a Pull Request with a clear title and description.

Code Style

Please follow Google's JavaScript Style Guide to the letter. If your editor supports .editorconfig it will make it easier to manage differences from your own coding style.

Style examples include:

  • Two space indents.
  • Delimit strings with single-quotes ', not double-quotes ".
  • No trailing whitespace, except in markdown files where a linebreak must be forced.
  • No more than one assignment per var statement.
  • Prefer if and else to "clever" uses of ? : conditional or ||, && logical operators.
  • When in doubt, follow the conventions you see used in the source already.

If you happen to find something in the codebase that does not follow the style guide, that's a good opportunity to make your first contribution!

Other Video.js Pojects

  • Video.js SWF - The light-weight flash video player that makes flash work like HTML5 video. This allows player skins, plugins, and other features to work with both HTML5 and Flash.

  • Videojs.com - The public site with helpful tools and information about Video.js.

Doc Credit

This doc was inspired by some great contribution guide examples including contribute.md template, grunt, html5 boilerplate, jquery, and node.js.