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Building the extension

This document describes how to build the browser extension and load it into your browser.

Installing the dependencies

You should have Node v6.x (or later) installed.

Before continuing, install the development dependencies by running the following at the root of the repository:

$ yarn install

Building the extension

The extension build is configured by a JSON settings file, some examples of which are supplied in the settings/ directory. To build the extension using the default settings file (settings/chrome-dev.json), run make:

$ make

To build the extension from a different settings file, provide a SETTINGS_FILE path to make:

$ make SETTINGS_FILE=settings/chrome-prod.json

This, for example, will build a production extension: one that talks to the main https://hypothes.is web service.

Building for a local h server

Note: It may be convenient to create a new, untracked config file based on chrome-dev.json to maintain your settings (here called custom.json):

  $ make SETTINGS_FILE=settings/custom.json

These instructions assume you have the h service running locally already. For instructions how to set up a client with your h server, see https://h-client.readthedocs.io/en/latest/developers/developing/#running-the-client-from-h*

  1. Create an OAuthClient for the extension to use in your local instance of h, using the following values:

    Name: Chrome Extension
Authority: localhost
Grant type: authorization_code
Redirect URL: chrome-extension://<extension id>

    You won't know the extension ID yet, and that's OK.

  2. Set an oauthClientId property in your settings JSON. Its value should be the 32-character ID of this newly-created OAuthClient.

  3. Use make to build the extension against these settings.

  4. Load the built extension into Chrome and find its extension ID (see "Loading an extension..." below).

  5. Return to the OAuthClient you created above in h and update the Redirect URL to contain the real extension ID.

That should do it!

Loading an extension into Chrome

Once you've built the extension, you will be able to load the build/ directory as an unpacked extension:

  1. Go to chrome://extensions/ in Chrome.
  2. If you used the chrome-prod.json settings file to build a production extension, you will need to remove the "real" production extension from Chrome before loading your locally built one or create a new Chrome profile without the real one installed.
  3. Tick Developer mode.
  4. Click Load unpacked extension.
  5. Browse to the build/ directory where the extension was built and select it.