A Chrome extension that adds useful features and functionality to Discogs.com
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readme.md

Discogs Enhancer

Chrome Web Store Chrome Web Store Chrome Web Store License GPL 3.0

Project Overview

100% vanilla JS Chrome extension for Discogs.com.

https://www.discogs-enhancer.com

Chrome Webstore Link

https://chrome.google.com/webstore/detail/discogs-enhancer/fljfmblajgejeicncojogelbkhbobejn

A Web Extension for Chrome

Discogs Enhancer adds extra features to both Discogs.com and Chrome. You can block sellers, use a dark theme, see price comparisons, get feedback notifications, convert foreign currencies, search Discogs and other online record shops with any highlighted text, improve tracklist readability, customize lots of Marketplace aspects, and more! Every feature is optional so you can choose the features you want to use.

Features

  • Block Sellers
  • Favorite Sellers
  • Compare Suggested Prices
  • Contextual Menu Searching
  • Quick Currency Converter
  • Dark Theme
  • Release Scanner
  • Everlasting Collection
  • Everlasting Marketplace
  • Feedback Notifications
  • Large BAOI Fields
  • Tag Sellers Based on Reputation
  • Filter Marketplace Items By Media Condition
  • Filter Marketplace Items by Country
  • Open release links on the Collection page in new tabs
  • Hide Min, Median, Max Columns on the Collection page
  • Marketplace Highlights
  • Marketplace Release Ratings
  • Notes Counter
  • See actual dates an item was added to your Collection/Wantlist
  • See average sale price on the Release page
  • Random Item From Collection
  • Remove From Wantlist Shortcuts
  • See Release Durations
  • Sort Dialogs and Filters Alphabetically
  • Text Formatting Shortcuts
  • Improve Tracklist Readability

📋 Overview

Discogs Enhancer flow overview


Installation

  • git clone https://github.com/salcido/discogs-enhancer.git (this repository)
  • change into the new directory
  • npm install

Running / Development

  • Watch for changes:
    • npm run watch

Building

  • Export the extension to dist directory:
    • npm run build
    • Go to chrome://extensions in a new Chrome tab
    • Click "Developer Mode" in the upper-right corner
    • Click "Load Unpacked" and choose the exported dist folder and you're done!

🏗 Adding a Feature

In order to add a simple, togglable feature to the extension, you'll need to update the files listed below. This guide assumes you've added a new <feature>.js file to js/extension/features/ and that it does not require additional CSS files, configuration pages, or submenus. Features that require their own configuration pages or submenus are more complex and are out of scope for this guide. I plan on adding a more in-depth guide in the future.

1️⃣ background.js

  • Add a new property to the prefs object of background.js. It should be a boolean and have a unique name that easily identifies the feature. Make sure to add the property in the corrrect alphabetical position.

  • Add a conditional check for the new prefs property under the User Preferences comment block. This should check the preference and create a DOM element that contains the necessary script files for the new feature.

Example:

  if ( result.prefs.featureName ) {

    let featureName = document.createElement('script');

    featureName.type = 'text/javascript';
    featureName.src = chrome.extension.getURL('js/extension/features/feature-name.js');
    featureName.className = 'de-init';

    elems.push(featureName);
  }

2️⃣ popup.html

  • Modify popup.html with the new preference menu option. Update the markup with a unique id, help-bubble text, and meta keywords. Make sure to add the markup in the corrrect alphabetical position.

Example:

    <!-- title of the new feature -->
    <div class="toggle-group">
      <p class="label">title of the new feature</p>
      <div class="meta hide">key words that represent the feature go here. These are used when using the search bar.</div>

      <div class="onoffswitch">
        <input type="checkbox" name="onoffswitch" class="onoffswitch-checkbox" id="toggleNewFeatureName" checked>
        <label class="onoffswitch-label" for="toggleNewFeatureName">
          <span class="onoffswitch-inner"></span>
          <span class="onoffswitch-switch"></span>
        </label>
      </div>

      <div class="help feature-name">
        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-help-circle" color="#384047"><circle cx="12" cy="12" r="10"></circle><path d="M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3"></path><line x1="12" y1="17" x2="12" y2="17"></line></svg>
        <div class="help-bubble">
          <div class="help-text">
            A short description of the new feature goes here.
          </div>
          <div class="arrow-right stroke"></div><div class="arrow-right"></div>
        </div>
      </div> <!-- /.help -->
    </div>

3️⃣ manifest.json and webpack.config.js

  • Modify manifest.json and webpack.config.js with the paths to the new feature files.

Example:

manifest.json

  "js/extension/features/feature-name.js",

webpack.config.js

  [features + 'feature-name']: `${features}feature-name.js`,

4️⃣ utils.js

  • Update the applySave method in utils.js with the same property name used in background.js. Be sure to reference the id set in the popup.html markup and add the property in the corrrect alphabetical position.

Example:

export function applySave(message, event) {

  let prefs = {
    ...
    featureName: document.getElementById('toggleFeatureName').checked,
    ...
  }
}

5️⃣ popup.js

Make the following changes to popup.js:

  • Update the load eventListener with the new property.
  • Add a new change eventListener under the Event listeners for toggles comment block.
  • Update the chrome.storage.sync.get callback with the new property.

6️⃣ learn.html

Add the feature description to learn.html. Make sure to insert the new markup block in the correct alphabetical order.

Example:

    <div class="feature-block">
      <!-- Feature Name -->
      <h2 id="featureName">Feature Name</h2>

      <p>Supporting text describing how the feature works.</p>
      <!-- supporting image(s) if needed -->
      <img src="../img/learn/feature-image.png" class="max-width" />
    </div>

📦 Build The Extension

Since changes have been made to webpack, the extension will need to be rebuilt by running npm run build. Once the build is finished, load the extension in Chrome by going to chrome://extensions. Make sure Developer Mode is checked, then click 'Load unpacked' and choose the newly exported dist folder. You should now be able to enable the feature from the popup menu.


Author

License

This project is licensed under the GPL License - see the LICENSE file for details