2025-2-26-fixed

themes/fluid/scripts/events/lib/highlight.js

@@ -0,0 +1,156 @@
+'use strict';
+
+let css;
+try {
+  css = require('css');
+} catch (error) {
+  if (error.code === 'MODULE_NOT_FOUND') {
+    css = require('@adobe/css-tools');
+  } else {
+    throw error;
+  }
+}
+
+const fs = require('fs');
+const objUtil = require('../../utils/object');
+const resolveModule = require('../../utils/resolve');
+
+module.exports = (hexo) => {
+
+  function resolveHighlight(name) {
+    if (!name) {
+      name = 'github-gist';
+    }
+    const cssName = name.toLowerCase().replace(/([^0-9])\s+?([^0-9])/g, '$1-$2').replace(/\s/g, '');
+    let file = resolveModule('highlight.js', `styles/${cssName}.css`);
+    if (cssName === 'github-gist' && !fs.existsSync(file)) {
+      file = resolveModule('highlight.js', 'styles/github.css');
+    }
+    let backgroundColor;
+    if (fs.existsSync(file)) {
+      const content = fs.readFileSync(file, 'utf8');
+      css.parse(content).stylesheet.rules
+        .filter(rule => rule.type === 'rule' && rule.selectors.some(selector => selector.endsWith('.hljs')))
+        .flatMap(rule => rule.declarations)
+        .forEach(declaration => {
+          if (declaration.property === 'background' || declaration.property === 'background-color') {
+            backgroundColor = declaration.value;
+          }
+        });
+    } else {
+      hexo.log.error(`[Fluid] highlightjs style '${name}' not found`);
+      return {};
+    }
+    if (backgroundColor === 'white' || backgroundColor === '#ffffff') {
+      backgroundColor = '#fff';
+    }
+    return { file, backgroundColor };
+  }
+
+  function resolvePrism(name) {
+    if (!name) {
+      name = 'default';
+    }
+    let cssName = name.toLowerCase().replace(/[\s-]/g, '');
+    if (cssName === 'prism' || cssName === 'default') {
+      cssName = '';
+    } else if (cssName === 'tomorrownight') {
+      cssName = 'tomorrow';
+    }
+    let file = resolveModule('prismjs', `themes/${cssName ? 'prism-' + cssName : 'prism'}.css`);
+    if (!fs.existsSync(file)) {
+      file = resolveModule('prism-themes', `themes/${cssName}.css`);
+    }
+    if (!fs.existsSync(file)) {
+      hexo.log.error(`[Fluid] prismjs style '${name}' not found`);
+      return {};
+    }
+    return { file };
+  }
+
+  const config = hexo.theme.config;
+  if (!config.code || !config.code.highlight.enable) {
+    return;
+  }
+
+  if (config.code.highlight.lib === 'highlightjs') {
+    // Force set hexo config
+    hexo.config.prismjs = objUtil.merge({}, hexo.config.prismjs, {
+      enable: false
+    });
+    hexo.config.highlight = objUtil.merge({}, hexo.config.highlight, {
+      enable     : true,
+      hljs       : true,
+      wrap       : false,
+      auto_detect: true,
+      line_number: config.code.highlight.line_number || false
+    });
+    hexo.config.syntax_highlighter = 'highlight.js';  // hexo v7.0.0+ config
+    hexo.theme.config.code.highlight.highlightjs = objUtil.merge({}, hexo.theme.config.code.highlight.highlightjs, {
+      light: resolveHighlight(hexo.theme.config.code.highlight.highlightjs.style),
+      dark : hexo.theme.config.dark_mode.enable && resolveHighlight(hexo.theme.config.code.highlight.highlightjs.style_dark)
+    });
+
+    hexo.extend.filter.register('after_post_render', (page) => {
+      if (hexo.config.highlight.line_number) {
+        page.content = page.content.replace(/<figure[^>]+?highlight.+?<td[^>]+?code[^>]+?>.*?(<pre.+?<\/pre>).+?<\/figure>/gims, (str, p1) => {
+          if (/<code[^>]+?mermaid[^>]+?>/ims.test(p1)) {
+            return p1.replace(/(class="[^>]*?)hljs([^>]*?")/gims, '$1$2').replace(/<br>/gims, '\n');
+          }
+          return str;
+        });
+      } else {
+        page.content = page.content.replace(/(?<!<div class="code-wrapper">)<pre.+?<\/pre>/gims, (str) => {
+          if (/<code[^>]+?mermaid[^>]+?>/ims.test(str)) {
+            return str.replace(/(class=".*?)hljs(.*?")/gims, '$1$2');
+          }
+          return `<div class="code-wrapper">${str}</div>`;
+        });
+      }
+
+      // 适配缩进型代码块
+      page.content = page.content.replace(/<pre><code>/gims, (str) => {
+        return '<pre><code class="hljs">';
+      });
+
+      return page;
+    });
+  } else if (config.code.highlight.lib === 'prismjs') {
+    // Force set hexo config
+    hexo.config.highlight = objUtil.merge({}, hexo.config.highlight, {
+      enable: false
+    });
+    hexo.config.prismjs = objUtil.merge({}, hexo.config.prismjs, {
+      enable     : true,
+      preprocess : config.code.highlight.prismjs.preprocess || false,
+      line_number: config.code.highlight.line_number || false
+    });
+    hexo.config.syntax_highlighter = 'prismjs';  // hexo v7.0.0+ config
+    hexo.theme.config.code.highlight.prismjs = objUtil.merge({}, hexo.theme.config.code.highlight.prismjs, {
+      light: resolvePrism(hexo.theme.config.code.highlight.prismjs.style),
+      dark : hexo.theme.config.dark_mode.enable && resolvePrism(hexo.theme.config.code.highlight.prismjs.style_dark)
+    });
+
+    hexo.extend.filter.register('after_post_render', (page) => {
+      page.content = page.content.replace(/(?<!<div class="code-wrapper">)<pre.+?<\/pre>/gims, (str) => {
+        if (/<code[^>]+?mermaid[^>]+?>/ims.test(str)) {
+          if (hexo.config.highlight.line_number) {
+            str = str.replace(/<span[^>]+?line-numbers-rows[^>]+?>.+?<\/span><\/code>/, '</code>');
+          }
+          str = str.replace(/<pre[^>]*?>/gims, '<pre>')
+            .replace(/(class=".*?)language-mermaid(.*?")/gims, '$1mermaid$2')
+            .replace(/<span[^>]+?>(.+?)<\/span>/gims, '$1');
+          return str;
+        }
+        return `<figure><div class="code-wrapper">${str}</div></figure>`;
+      });
+
+      // 适配缩进型代码块
+      page.content = page.content.replace(/<pre><code>/gims, (str) => {
+        return '<pre class="language-none"><code class="language-none">';
+      });
+
+      return page;
+    });
+  }
+};