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How to Contribute

The best way to get started is to read through the Getting Started and Example sections before having a look through the open issues. Some of the issues are marked as good first bug, but feel free to contribute to any of the issues there, or open a new one if the thing you want to work on isn't there yet. If you would like to have an issue assigned to you, please send me a message and I'll update it.

Setup

The Filer build system is based on grunt. To get a working build system do the following:

npm install
npm install -g grunt-cli

You can now run the following grunt tasks:

  • grunt check will run JSHint on your code (do this before submitting a pull request) to catch errors
  • grunt develop will create a single file version of the library for testing in dist/idbfs.js
  • grunt release like develop but will also create a minified version of the library in dist/idbfs.min.js
  • grunt test or grunt test-node will run JSHint on your code and the test suite in the context of nodejs
  • grunt test-browser will run JSHint and start a localhost server on port 1234. Navigating to localhost:1234/tests/index.html will run the test suite in the context of the browser. NOTE: When finished, you will have to manually shut off the server by pressing cmd/ctrl+c in the same terminal session you ran grunt test-browser.

Once you've done some hacking and you'd like to have your work merged, you'll need to make a pull request. If you're patch includes code, make sure to check that all the unit tests pass, including any new tests you wrote. Finally, make sure you add yourself to the AUTHORS file.

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Releasing a new version

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grunt publish will:

  • Run the grunt release task
  • Bump bower.json & package.json version numbers according to a Semver compatible scheme (see "How to Publish" below)
  • Create a git tag at the new version number
  • Create a release commit including dist/filer.js, dist/filer.min.js, bower.json and package.json
  • Push tag & commit to origin/develop
  • Update the gh-pages branch with the contents of the develop branch
  • Force push the gh-pages branch to origin/gh-pages
  • Publish the new version of the module to NPM

How to configure

  1. Copy env.sample to .env
  2. Modify as needed, or leave alone for defaults

How to Publish

grunt publish can be run in four ways:

  1. grunt publish - does a patch (x.x.X) bump
  2. grunt publish:patch - also does a patch (x.x.X) bump
  3. grunt publish:minor - does a minor (x.X.x) bump
  4. grunt publish:major - does a major (X.x.x) bump

The user must be on their local develop branch before running any form of grunt publish, or else the task will fail loudly.

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Tests

Tests are writting using Mocha and Chai. You can run the tests in your browser by running grunt test-browser and opening the tests directory @ http://localhost:1234/tests, or in a nodejs context by running grunt test.

There are a number of configurable options for the test suite, which are set via query string params. First, you can choose which filer source to use (i.e., src/, dist/filer-test.js, dist/filer.js or dist/filer.min.js). The default is to use what is in /dist/filer-test.js, and you can switch to other versions like so:

  • tests/index.html?filer-dist/filer.js
  • tests/index.html?filer-dist/filer.min.js
  • tests/index.html?filer-src/filer.js (from src)

Second, you can specify which provider to use for all non-provider specific tests (i.e., most of the tests). The default provider is Memory, and you can switch it like so:

  • tests/index.html?filer-provider=memory
  • tests/index.html?filer-provider=indexeddb
  • tests/index.html?filer-provider=websql

If you're writing tests, make sure you write them in the same style as existing tests, which are provider agnostic. See tests/lib/test-utils.js and how it gets used in various tests as an example.

Communication

If you'd like to talk to someone about the project, you can reach us on irc.mozilla.org in the #filer or #mofodev channel. Look for "ack" or "humph".