93 lines
3.8 KiB
Markdown
93 lines
3.8 KiB
Markdown
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# How to contribute
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- [Getting help](#getting-help)
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- [Submitting bug reports](#submitting-bug-reports)
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- [Contributing code](#contributing-code)
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## Getting help
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Community discussion, questions, and informal bug reporting is done on the
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[discuss.CodeMirror forum](http://discuss.codemirror.net).
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## Submitting bug reports
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The preferred way to report bugs is to use the
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[GitHub issue tracker](http://github.com/codemirror/CodeMirror/issues). Before
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reporting a bug, read these pointers.
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**Note:** The issue tracker is for *bugs*, not requests for help. Questions
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should be asked on the
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[discuss.CodeMirror forum](http://discuss.codemirror.net) instead.
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### Reporting bugs effectively
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- CodeMirror is maintained by volunteers. They don't owe you anything, so be
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polite. Reports with an indignant or belligerent tone tend to be moved to the
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bottom of the pile.
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- Include information about **the browser in which the problem occurred**. Even
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if you tested several browsers, and the problem occurred in all of them,
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mention this fact in the bug report. Also include browser version numbers and
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the operating system that you're on.
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- Mention which release of CodeMirror you're using. Preferably, try also with
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the current development snapshot, to ensure the problem has not already been
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fixed.
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- Mention very precisely what went wrong. "X is broken" is not a good bug
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report. What did you expect to happen? What happened instead? Describe the
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exact steps a maintainer has to take to make the problem occur. We can not
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fix something that we can not observe.
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- If the problem can not be reproduced in any of the demos included in the
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CodeMirror distribution, please provide an HTML document that demonstrates
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the problem. The best way to do this is to go to
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[jsbin.com](http://jsbin.com/ihunin/edit), enter it there, press save, and
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include the resulting link in your bug report.
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## Contributing code
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Note that we are not accepting any new addons or modes into the main
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distribution. If you've written such a module, please distribute it as
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a separate NPM package.
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- Make sure you have a [GitHub Account](https://github.com/signup/free)
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- Fork [CodeMirror](https://github.com/codemirror/CodeMirror/)
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([how to fork a repo](https://help.github.com/articles/fork-a-repo))
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- Make your changes
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- If your changes are easy to test or likely to regress, add tests.
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Tests for the core go into `test/test.js`, some modes have their own
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test suite under `mode/XXX/test.js`. Feel free to add new test
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suites to modes that don't have one yet (be sure to link the new
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tests into `test/index.html`).
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- Follow the general code style of the rest of the project (see
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below). Run `bin/lint` to verify that the linter is happy.
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- Make sure all tests pass. Visit `test/index.html` in your browser to
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run them.
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- Submit a pull request
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([how to create a pull request](https://help.github.com/articles/fork-a-repo)).
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Don't put more than one feature/fix in a single pull request.
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By contributing code to CodeMirror you
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- agree to license the contributed code under CodeMirror's [MIT
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license](https://codemirror.net/5/LICENSE).
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- confirm that you have the right to contribute and license the code
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in question. (Either you hold all rights on the code, or the rights
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holder has explicitly granted the right to use it like this,
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through a compatible open source license or through a direct
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agreement with you.)
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### Coding standards
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- 2 spaces per indentation level, no tabs.
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- Note that the linter (`bin/lint`) which is run after each commit
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complains about unused variables and functions. Prefix their names
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with an underscore to muffle it.
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- CodeMirror does *not* follow JSHint or JSLint prescribed style.
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Patches that try to 'fix' code to pass one of these linters will be
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unceremoniously discarded.
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