GitHub Code Language Icons

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

Versão de: 30/12/2024. Veja: a última versão.

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

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

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==UserScript==
// @name         GitHub Code Language Icons
// @description  Replaces GitHub's boring round code language icons with Material Design Icons.
// @icon         https://github.githubassets.com/favicons/favicon-dark.svg
// @version      1.4
// @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 BASE_URL = 'https://raw.githubusercontent.com/afkarxyz/misc-scripts/refs/heads/main/';
  const ICON_BASE_URL = `${BASE_URL}icons/`;

  async function fetchLanguageMappings() {
    const cacheKey = 'githubLanguageRemapCache';
    const currentTime = Date.now();
    const cachedData = JSON.parse(GM_getValue(cacheKey, '{}'));
    
    if (cachedData.timestamp && (currentTime - cachedData.timestamp < 7 * 24 * 60 * 60 * 1000)) {
      return cachedData.mappings;
    }
    
    try {
      const response = await fetch(`${BASE_URL}remap.json`);
      const data = await response.json();
      
      GM_setValue(cacheKey, JSON.stringify({
        mappings: data.iconRemap,
        timestamp: currentTime
      }));
      
      return data.iconRemap;
    } catch (error) {
      console.error('Failed to fetch language mappings:', error);
      return cachedData.mappings || {};
    }
  }

  let languageMappings = {};

  function normalizeLanguageName(language) {
    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(`${BASE_URL}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('.ActionListItem-visual.ActionListItem-visual--leading')) {
        const languageLabel = element.closest('.ActionListContent')?.querySelector('.ActionListItem-label.text-normal');
        if (!languageLabel || !languageLabel.textContent || element.dataset.iconChecked) return;
        
        language = normalizeLanguageName(languageLabel.textContent);
        element.dataset.iconChecked = 'true';
        
        const colorDiv = element.querySelector('div');
        if (!colorDiv || !availableIcons.includes(language)) return;
        
        const img = document.createElement('img');
        img.src = `${ICON_BASE_URL}${language}.svg`;
        img.width = 16;
        img.height = 16;
        img.style.verticalAlign = 'middle';
        
        colorDiv.replaceWith(img);
      } else 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 preElements = element.querySelectorAll('.Box-sc-g0xbh4-0');
        preElements.forEach(preElement => {
          preElement.style.display = 'none';
        });

        const languageSpan = element.querySelector('.Text__StyledText-sc-17v1xeu-0');
        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';
          }
        }
      } else if (element.matches('.Box-sc-g0xbh4-0.hjDqIa')) {
        const languageSpan = element.nextElementSibling;
        if (languageSpan && languageSpan.getAttribute('aria-label') && !languageSpan.dataset.iconProcessed) {
          language = normalizeLanguageName(languageSpan.getAttribute('aria-label').replace(' language', ''));
          
          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 = '4px';
            iconImg.style.verticalAlign = 'middle';

            element.style.display = 'none';
            languageSpan.parentNode.insertBefore(iconImg, languageSpan);
            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, .Box-sc-g0xbh4-0.hjDqIa, .ActionListItem-visual.ActionListItem-visual--leading')) {
              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, .Box-sc-g0xbh4-0.hjDqIa, .ActionListItem-visual.ActionListItem-visual--leading').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, .Box-sc-g0xbh4-0.hjDqIa, .ActionListItem-visual.ActionListItem-visual--leading').forEach(processElement);
  }

  function hideAndReplaceDivs() {
    document.querySelectorAll('span.Box-sc-g0xbh4-0.fCBLcl').forEach(spanElement => {
      if (!spanElement) return;

      const divToHide = spanElement.querySelector('div[class^="Box-sc-g0xbh4-0"]');
      const titleElement = spanElement.closest('a')?.querySelector('div[title]');
      const title = titleElement?.getAttribute('title');
      
      if (divToHide && title && !divToHide.dataset.processed) {
        const normalizedTitle = normalizeLanguageName(title);
        
        divToHide.style.display = 'none';
        divToHide.dataset.processed = 'true';
        
        const svgElement = document.createElement('img');
        svgElement.src = `${ICON_BASE_URL}${normalizedTitle}.svg`;
        svgElement.alt = title;
        svgElement.width = svgElement.height = 16;
        
        divToHide.parentNode.insertBefore(svgElement, divToHide);
      }
    });
  }

  function observeDOMChanges() {
    const observer = new MutationObserver((mutations) => {
      mutations.forEach((mutation) => {
        if (mutation.type === 'childList') {
          hideAndReplaceDivs();
        }
      });
    });

    const config = { childList: true, subtree: true };
    observer.observe(document.body, config);
    hideAndReplaceDivs();
  }

  async function init() {
    languageMappings = await fetchLanguageMappings();
    replaceLanguageIcons();
    observeDOMChanges();
  }

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