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Contributing to UnTab

It's great to have you on board with us to build UnTab extension. This document contains all the necessary documentation to get you started with contributing to UnTab project.

Table of contents

Terminologies

Before you start contributing to UnTab code base, it is important to get yourself familiar with some of these terminologies:

  • UnTab interface: UnTab interface is the nice search interface that is shown after pressing Ctrl + Shift + Space.

  • UnTab plugins(or simply plugins): Plugins in UnTab are independent modules of code that add extra functionality to UnTab. Example: There is a separate plugin to search for tabs, another plugin to search browser history and so on. Most of the searchable content is generated from plugins.

  • UnTab themes: Themes in UnTab provide unique looks to the UnTab interface. These themes can be accessed by the 'themes' plugin which can be accessed by typing /themes in UnTab interface.

  • Content scripts: Content scripts get injected into every webpage automatically by the browser. These scripts are helpful in performing some DOM operations on the content of the page, or in case of UnTab - showing the UnTab interface. Read more

  • Background scripts: Background scripts run independent to the webpages and browser windows. It is therefore a perfect place to maintain state that must be synced with content scripts(which are in context of a webpage). Background scripts have special browser APIs available that UnTab plugins make use of to provide additional functionalities. Read more

Contributing to Code

Pre-requisites:

  • Recent version of Node.js
  • Recent version of npm

The UnTab project uses following languages, tools and libraries:

  • JavaScript for plugins, background script, etc.
  • CSS for styling and theming
  • Svelte for UnTab interface
  • Fuse.js library to perform fuzzy searching
  • Rollup for build and bundling

It is recommended to go through the documentation of above tools based on which part of UnTab project you are contributing to.

Let's set up the codebase on the local system.

Fork the repository

Create a fork of this repository into your GitHub account before writing some code. Click on the Fork button in the repository homepage - https://github.com/blenderskool/untab

Clone the repository

After forking, clone the forked repository by following these commands:

git clone https://github.com/<your-github-username>/untab.git
cd untab
git remote add upstream https://github.com/blenderskool/untab.git

Install the dependencies

Make sure you have Node.js and npm installed for this step. Run the following command in the project root

npm install

Create a new branch and write some code!

Now create a separate branch(with a cool name!) where you can work on the codebase.

git checkout -b <your-branch-name>

This is the right time to start working on the codebase. You will need to run the project frequently to test your changes. So let's install the development version of the extension on your browser.

Installing Dev extension on your browser.

NOTE: This guide is currently about Chrome and other Chromium based browsers.

Let's first build the extension from the source code. To build the extension, run the following command at the project root:

npm run build

A dist folder should be created which contains the built code. This is what we'll be installing in the browser in the further steps.

  • Go to the extensions page on your browser. For Chrome and Chromium based browsers go to chrome://extensions
  • Turn ON Developer mode
  • Click on Load Unpacked
  • Select the dist folder that was generated after the build step. The extension should now show up on the list
  • Go to any page and press Ctrl + Shift + Space or Command + Shift + Space (on Mac) to open UnTab.

NOTE: Whenever you change the source code, run npm run build again and get the changes synced with the installed extension by clicking on the reload icon next to the installed extension in the extensions page (chrome://extensions).

Preparing the commit

Once you are ready to commit your changes, it is important to keep the following in mind:

  • While we don't follow any commit guidelines right now, it is strongly recommended that you follow https://chris.beams.io/posts/git-commit/#seven-rules as much as possible.
  • Always remember to test your changes manually before committing the code. This can help you prevent stray commits(which fix bugs in your recent commits).

Here's how you would commit some changes:

git add .
git commit

Sync your changes with the upstream

The upstream repository may get updated multiple times while you were working on your branch. It is important to sync your changes once before creating a Pull request to avoid merge conflicts. Follow the commands:

git pull upstream master --rebase

Preparing the Pull Request

Congratulations 馃帀! You have followed through multiple sections to reach this final step. At this step, make sure you have synced your changes with upstream as explained in previous step.

Now we can push the branch to the remote repository by running

git push --set-upstream origin <your-branch-name>

Navigate to UnTab repository Pull requests page and follow the steps:

  • Click on the green New pull request button
  • Select the branch you want to merge from in the menu that says compare: ...
  • Make sure the **base: ** is set to master.
  • Click on Create pull request button.
  • Give your Pull request a title summarizing your changes in the branch. Write a good description describing the changes.
  • Important: Make sure to add Fixes #<issue-id> if your pull request fixes some already open issue.

Contributing a Plugin

Plugins are independent modules of code that expand the existing functionality of UnTab. These plugins are located in the src/background/plugins.js file.

  • Start by following the steps in Contributing to Code above to setup the repository on your local machine.
  • Add the code for your new plugin in the src/background/plugins.js file. (Link to Plugins API wiki coming soon!)
  • Once you have added the plugin and tested it, commit your changes and open a Pull request (Follow the steps in Contributing to Code above).

Contributing a Theme

Theme gives a unique look to UnTab. There are themes present in the extension already that can be accessed by typing /themes in the search bar of UnTab interface. To add your own theme:

  • Start by thinking of some nice name and emoji for your theme.
  • Follow the steps in Contributing to Code above to setup the repository on your local machine.
  • Open the src/themes/themes.css file and define your theme. You can take inspiration from existing themes to understand which values to change. Example:
.search-wrapper.theme-<your-theme-name> {
    --bg: #304140;
    --bg-80: rgba(48, 65, 64, 0.8);
    --white: #b4c7c6;
    ...
}
  • Once the theme styles are defined, add the entry of your theme in src/background/plugins.js under the themes plugin. Example:
{
'themes': {
    ...
    item: [
        ...
        {
            title: 'My amazing theme',
            url: '',
            emoji: '馃寬',
            // Important: the value below should match the name defined in CSS
            theme: 'your-theme-name',
        },
    ...
}
  • Build and test your theme (Follow the steps in Contributing to Code above)
  • Once you are happy with the theme, commit your changes and open a pull request to this repository (Follow the steps in Contributing to Code above)