GitHub Code Language Icons

Replaces GitHub's code language icons with Material Design Icons.

Від 10.12.2024. Дивіться остання версія.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         GitHub Code Language Icons
// @description  Replaces GitHub's code language icons with Material Design Icons.
// @icon         https://github.githubassets.com/favicons/favicon-dark.svg
// @version      1.0.6
// @author       afkarxyz
// @namespace    https://github.com/afkarxyz/misc-scripts/
// @supportURL   https://github.com/afkarxyz/misc-scripts/issues
// @license      MIT
// @match        https://github.com/*
// @grant        GM_setValue
// @grant        GM_getValue
// ==/UserScript==

(function() {
  'use strict';

  const ICON_BASE_URL = 'https://raw.githubusercontent.com/afkarxyz/misc-scripts/refs/heads/main/icons/';

  function normalizeLanguageName(language) {
      const languageMappings = {
          'csharp': ['c#'],
          'cpp': ['c++'],
          'sass': ['scss'],
          'bazel': ['starlark'],
          'database': ['plpgsql'],
          'docker': ['dockerfile'],
          'godot-assets': ['gdscript'],
          'jupyter': ['jupyter notebook'],
          'console': ['batchfile', 'shell']
      };

      const normalizedLanguage = language.toLowerCase();

      for (const [iconName, languageList] of Object.entries(languageMappings)) {
          if (languageList.includes(normalizedLanguage)) {
              return iconName;
          }
      }

      return normalizedLanguage;
  }

  async function fetchAvailableIcons() {
    const cacheKey = 'githubLanguageIconsCache';
    const currentTime = Date.now();

    const cachedData = JSON.parse(GM_getValue(cacheKey, '{}'));

    if (cachedData.timestamp && (currentTime - cachedData.timestamp < 7 * 24 * 60 * 60 * 1000)) {
      return cachedData.fileTypes;
    }

    try {
      const response = await fetch('https://raw.githubusercontent.com/afkarxyz/misc-scripts/refs/heads/main/icons.json');
      const data = await response.json();

      GM_setValue(cacheKey, JSON.stringify({
        fileTypes: data.fileTypes,
        timestamp: currentTime
      }));

      return data.fileTypes;
    } catch (error) {
      console.error('Failed to fetch icon list:', error);
      
      return cachedData.fileTypes || [];
    }
  }

  async function replaceLanguageIcons() {
    let availableIcons;
    try {
      availableIcons = await fetchAvailableIcons();
    } catch (error) {
      console.error('Error getting available icons:', error);
      return;
    }
    
    const processedElements = new Set();

    function processElement(element) {
      if (processedElements.has(element)) return;
      processedElements.add(element);

      let langElement, language;
      
      if (element.matches('.d-inline')) {
        langElement = element.querySelector('.text-bold');
        
        if (!langElement || langElement.textContent.toLowerCase() === 'other' || element.dataset.iconChecked) return;
        
        language = normalizeLanguageName(langElement.textContent);
        element.dataset.iconChecked = 'true';
        
        const svg = element.querySelector('svg');

        if (!svg || !availableIcons.includes(language)) return;
        
        const img = document.createElement('img');
        img.src = `${ICON_BASE_URL}${language}.svg`;
        img.width = 16;
        img.height = 16;
        img.className = 'mr-2';
        img.style.verticalAlign = 'middle';
        
        svg.parentNode.replaceChild(img, svg);
      }
      else if (element.matches('.f6.color-fg-muted .repo-language-color + span[itemprop="programmingLanguage"]')) {
        language = normalizeLanguageName(element.textContent);
        
        if (!availableIcons.includes(language)) return;
        
        const parentSpan = element.parentElement;
        const colorSpan = parentSpan.querySelector('.repo-language-color');
        
        const img = document.createElement('img');
        img.src = `${ICON_BASE_URL}${language}.svg`;
        img.width = 16;
        img.height = 16;
        img.style.marginRight = '2px';
        img.style.verticalAlign = 'sub';
        
        if (colorSpan) {
          colorSpan.parentNode.insertBefore(img, colorSpan);
          colorSpan.remove();
        }
      }
      else if (element.matches('.mb-3 .no-wrap span[itemprop="programmingLanguage"]')) {
        language = normalizeLanguageName(element.textContent);
        
        if (!availableIcons.includes(language)) return;
        
        const parentSpan = element.parentElement;
        const colorSpan = parentSpan.querySelector('.repo-language-color');
        
        const img = document.createElement('img');
        img.src = `${ICON_BASE_URL}${language}.svg`;
        img.width = 16;
        img.height = 16;
        img.style.marginRight = '4px';
        
        const flexContainer = document.createElement('span');
        flexContainer.style.display = 'inline-flex';
        flexContainer.style.alignItems = 'center';
        
        if (colorSpan) {
          colorSpan.remove();
          
          flexContainer.appendChild(img);
          flexContainer.appendChild(element.cloneNode(true));
          
          parentSpan.replaceWith(flexContainer);
        }
      }
      else if (element.matches('.Box-sc-g0xbh4-0.fCvgBf')) {
        const preLanguageElement = element.querySelector('.Box-sc-g0xbh4-0:not(.fVplbS)');
        if (preLanguageElement) {
          preLanguageElement.style.display = 'none';
        }

        const languageSpan = element.querySelector('.Box-sc-g0xbh4-0.fVplbS');
        if (languageSpan && !languageSpan.dataset.iconProcessed) {
          language = normalizeLanguageName(languageSpan.textContent.trim());
          
          if (availableIcons.includes(language)) {
            const iconImg = document.createElement('img');
            iconImg.src = `${ICON_BASE_URL}${language}.svg`;
            iconImg.alt = `${language} icon`;
            iconImg.width = 16;
            iconImg.height = 16;
            iconImg.style.marginRight = '2px';
            iconImg.style.verticalAlign = 'middle';

            languageSpan.insertAdjacentElement('beforebegin', iconImg);
            languageSpan.dataset.iconProcessed = 'true';
          }
        }
      }
      else if (element.matches('.repo-language-color')) {
        const languageSpan = element.parentElement.querySelector('[itemprop="programmingLanguage"]');
        
        if (languageSpan && !languageSpan.dataset.iconProcessed) {
          language = normalizeLanguageName(languageSpan.textContent);
          
          if (availableIcons.includes(language)) {
            const iconImg = document.createElement('img');
            iconImg.src = `${ICON_BASE_URL}${language}.svg`;
            iconImg.alt = `${language} icon`;
            iconImg.width = 16;
            iconImg.height = 16;
            iconImg.style.marginRight = '2px';
            iconImg.style.verticalAlign = 'sub';

            element.parentElement.insertBefore(iconImg, element);
            element.remove();
            languageSpan.dataset.iconProcessed = 'true';
          }
        }
      }
    }

    const observer = new MutationObserver((mutations) => {
      for (const mutation of mutations) {
        for (const node of mutation.addedNodes) {
          if (node.nodeType === Node.ELEMENT_NODE) {
            if (node.matches('.d-inline, .f6.color-fg-muted .repo-language-color + span[itemprop="programmingLanguage"], .mb-3 .no-wrap span[itemprop="programmingLanguage"], .Box-sc-g0xbh4-0.fCvgBf, .repo-language-color')) {
              processElement(node);
            } else {
              node.querySelectorAll('.d-inline, .f6.color-fg-muted .repo-language-color + span[itemprop="programmingLanguage"], .mb-3 .no-wrap span[itemprop="programmingLanguage"], .Box-sc-g0xbh4-0.fCvgBf, .repo-language-color').forEach(processElement);
            }
          }
        }
      }
    });

    observer.observe(document.body, {
      childList: true,
      subtree: true
    });

    document.querySelectorAll('.d-inline, .f6.color-fg-muted .repo-language-color + span[itemprop="programmingLanguage"], .mb-3 .no-wrap span[itemprop="programmingLanguage"], .Box-sc-g0xbh4-0.fCvgBf, .repo-language-color').forEach(processElement);
  }

  function init() {
    replaceLanguageIcons();
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', init);
  } else {
    init();
  }
})();