Merge pull request #250 from ZhenhongDu/main

feat: Add codeblock highlight support in ChatInterface
Merge branch 'main' into main
2026-01-23 01:47:31 +00:00 · 2026-01-15 21:10:06 +03:00 · 2026-01-06 12:43:35 +01:00 · 2025-12-31 08:54:50 +01:00 · 2025-12-01 12:01:30 +08:00 · 2025-12-01 11:57:44 +08:00
3 changed files with 305 additions and 5 deletions
--- a/package-lock.json
+++ b/package-lock.json
@@ -51,6 +51,7 @@
        "react-dropzone": "^14.2.3",
        "react-markdown": "^10.1.0",
        "react-router-dom": "^6.8.1",
+        "react-syntax-highlighter": "^15.6.1",
        "rehype-katex": "^7.0.1",
        "remark-gfm": "^4.0.0",
        "remark-math": "^6.0.0",
@@ -5057,6 +5058,19 @@
        "reusify": "^1.0.4"
      }
    },
+    "node_modules/fault": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/fault/-/fault-1.0.4.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "format": "^0.2.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
    "node_modules/file-selector": {
      "version": "2.1.2",
      "resolved": "https://registry.npmjs.org/file-selector/-/file-selector-2.1.2.tgz",
@@ -5136,6 +5150,14 @@
        "url": "https://github.com/sponsors/isaacs"
      }
    },
+    "node_modules/format": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/format/-/format-0.2.2.tgz",
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+      "engines": {
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+      }
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@@ -5756,6 +5778,21 @@
        "url": "https://opencollective.com/unified"
      }
    },
+    "node_modules/highlight.js": {
+      "version": "10.7.3",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
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+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/highlightjs-vue": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/highlightjs-vue/-/highlightjs-vue-1.0.0.tgz",
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+      "license": "CC0-1.0"
+    },
    "node_modules/html-url-attributes": {
      "version": "3.0.1",
      "resolved": "https://registry.npmjs.org/html-url-attributes/-/html-url-attributes-3.0.1.tgz",
@@ -6569,6 +6606,20 @@
        "loose-envify": "cli.js"
      }
    },
+    "node_modules/lowlight": {
+      "version": "1.20.0",
+      "resolved": "https://registry.npmjs.org/lowlight/-/lowlight-1.20.0.tgz",
+      "integrity": "sha512-8Ktj+prEb1RoCPkEOrPMYUN/nCggB7qAWe3a7OpMjWQkh3l2RD5wKRQ+o8Q8YuI9RG/xs95waaI/E6ym/7NsTw==",
+      "license": "MIT",
+      "dependencies": {
+        "fault": "^1.0.0",
+        "highlight.js": "~10.7.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
    "node_modules/lru-cache": {
      "version": "5.1.1",
      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
@@ -8840,6 +8891,15 @@
        "node": ">=10"
      }
    },
+    "node_modules/prismjs": {
+      "version": "1.30.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.30.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
    "node_modules/proc-log": {
      "version": "4.2.0",
      "resolved": "https://registry.npmjs.org/proc-log/-/proc-log-4.2.0.tgz",
@@ -9161,6 +9221,23 @@
        "react-dom": ">=16.8"
      }
    },
+    "node_modules/react-syntax-highlighter": {
+      "version": "15.6.6",
+      "resolved": "https://registry.npmjs.org/react-syntax-highlighter/-/react-syntax-highlighter-15.6.6.tgz",
+      "integrity": "sha512-DgXrc+AZF47+HvAPEmn7Ua/1p10jNoVZVI/LoPiYdtY+OM+/nG5yefLHKJwdKqY1adMuHFbeyBaG9j64ML7vTw==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.3.1",
+        "highlight.js": "^10.4.1",
+        "highlightjs-vue": "^1.0.0",
+        "lowlight": "^1.17.0",
+        "prismjs": "^1.30.0",
+        "refractor": "^3.6.0"
+      },
+      "peerDependencies": {
+        "react": ">= 0.14.0"
+      }
+    },
    "node_modules/read-cache": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/read-cache/-/read-cache-1.0.0.tgz",
@@ -9197,6 +9274,197 @@
        "url": "https://paulmillr.com/funding/"
      }
    },
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+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/refractor/-/refractor-3.6.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "hastscript": "^6.0.0",
+        "parse-entities": "^2.0.0",
+        "prismjs": "~1.27.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/refractor/node_modules/@types/hast": {
+      "version": "2.3.10",
+      "resolved": "https://registry.npmjs.org/@types/hast/-/hast-2.3.10.tgz",
+      "integrity": "sha512-McWspRw8xx8J9HurkVBfYj0xKoE25tOFlHGdx4MJ5xORQrMGZNqJhVQWaIbm6Oyla5kYOXtDiopzKRJzEOkwJw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/unist": "^2"
+      }
+    },
+    "node_modules/refractor/node_modules/@types/unist": {
+      "version": "2.0.11",
+      "resolved": "https://registry.npmjs.org/@types/unist/-/unist-2.0.11.tgz",
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+      "license": "MIT"
+    },
+    "node_modules/refractor/node_modules/character-entities": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/character-entities/-/character-entities-1.2.4.tgz",
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+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/refractor/node_modules/character-entities-legacy": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/character-entities-legacy/-/character-entities-legacy-1.1.4.tgz",
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+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/refractor/node_modules/character-reference-invalid": {
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+      "funding": {
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+    },
+    "node_modules/refractor/node_modules/comma-separated-tokens": {
+      "version": "1.0.8",
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+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/refractor/node_modules/hast-util-parse-selector": {
+      "version": "2.2.5",
+      "resolved": "https://registry.npmjs.org/hast-util-parse-selector/-/hast-util-parse-selector-2.2.5.tgz",
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+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/refractor/node_modules/hastscript": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/hastscript/-/hastscript-6.0.0.tgz",
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+      "dependencies": {
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+        "comma-separated-tokens": "^1.0.0",
+        "hast-util-parse-selector": "^2.0.0",
+        "property-information": "^5.0.0",
+        "space-separated-tokens": "^1.0.0"
+      },
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+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/refractor/node_modules/is-alphabetical": {
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+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
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+    "node_modules/refractor/node_modules/is-alphanumerical": {
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+        "is-decimal": "^1.0.0"
+      },
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+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/refractor/node_modules/is-decimal": {
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+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
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+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
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+    "node_modules/refractor/node_modules/parse-entities": {
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+      "license": "MIT",
+      "dependencies": {
+        "character-entities": "^1.0.0",
+        "character-entities-legacy": "^1.0.0",
+        "character-reference-invalid": "^1.0.0",
+        "is-alphanumerical": "^1.0.0",
+        "is-decimal": "^1.0.0",
+        "is-hexadecimal": "^1.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
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+    "node_modules/refractor/node_modules/prismjs": {
+      "version": "1.27.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.27.0.tgz",
+      "integrity": "sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/refractor/node_modules/property-information": {
+      "version": "5.6.0",
+      "resolved": "https://registry.npmjs.org/property-information/-/property-information-5.6.0.tgz",
+      "integrity": "sha512-YUHSPk+A30YPv+0Qf8i9Mbfe/C0hdPXk1s1jPVToV8pk8BQtpw10ct89Eo7OWkutrwqvT0eicAxlOg3dOAu8JA==",
+      "license": "MIT",
+      "dependencies": {
+        "xtend": "^4.0.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/refractor/node_modules/space-separated-tokens": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/space-separated-tokens/-/space-separated-tokens-1.1.5.tgz",
+      "integrity": "sha512-q/JSVd1Lptzhf5bkYm4ob4iWPjx0KiRe3sRFBNrVqbJkFaBm5vbbowy1mymoPNLRa52+oadOhJ+K49wsSeSjTA==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
    "node_modules/rehype-katex": {
      "version": "7.0.1",
      "resolved": "https://registry.npmjs.org/rehype-katex/-/rehype-katex-7.0.1.tgz",
--- a/package.json
+++ b/package.json
@@ -83,6 +83,7 @@
    "react-dropzone": "^14.2.3",
    "react-markdown": "^10.1.0",
    "react-router-dom": "^6.8.1",
+    "react-syntax-highlighter": "^15.6.1",
    "rehype-katex": "^7.0.1",
    "remark-gfm": "^4.0.0",
    "remark-math": "^6.0.0",
--- a/src/components/ChatInterface.jsx
+++ b/src/components/ChatInterface.jsx
@@ -21,6 +21,8 @@ import ReactMarkdown from 'react-markdown';
 import remarkGfm from 'remark-gfm';
 import remarkMath from 'remark-math';
 import rehypeKatex from 'rehype-katex';
+import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter';
+import { oneDark } from 'react-syntax-highlighter/dist/esm/styles/prism';
 import { useDropzone } from 'react-dropzone';
 import TodoList from './TodoList';
 import ClaudeLogo from './ClaudeLogo.jsx';
@@ -341,6 +343,8 @@ const markdownComponents = {
    const looksMultiline = /[\r\n]/.test(raw);
    const inlineDetected = inline || (node && node.type === 'inlineCode');
    const shouldInline = inlineDetected || !looksMultiline; // fallback to inline if single-line
+
+    // Inline code rendering
    if (shouldInline) {
      return (
        <code
@@ -353,6 +357,10 @@ const markdownComponents = {
        </code>
      );
    }
+
+    // Extract language from className (format: language-xxx)
+    const match = /language-(\w+)/.exec(className || '');
+    const language = match ? match[1] : 'text';
    const textToCopy = raw;

    const handleCopy = () => {
@@ -388,8 +396,17 @@ const markdownComponents = {
      } catch {}
    };

+    // Code block with syntax highlighting
    return (
      <div className="relative group my-2">
+        {/* Language label */}
+        {language && language !== 'text' && (
+          <div className="absolute top-2 left-3 z-10 text-xs text-gray-400 font-medium uppercase">
+            {language}
+          </div>
+        )}
+
+        {/* Copy button */}
        <button
          type="button"
          onClick={handleCopy}
@@ -414,11 +431,25 @@ const markdownComponents = {
            </span>
          )}
        </button>
-        <pre className="bg-gray-900 dark:bg-gray-900 border border-gray-700/40 rounded-lg p-3 overflow-x-auto">
-          <code className={`text-gray-100 dark:text-gray-100 text-sm font-mono ${className || ''}`} {...props}>
-            {children}
-          </code>
-        </pre>
+
+        {/* Syntax highlighted code */}
+        <SyntaxHighlighter
+          language={language}
+          style={oneDark}
+          customStyle={{
+            margin: 0,
+            borderRadius: '0.5rem',
+            fontSize: '0.875rem',
+            padding: language && language !== 'text' ? '2rem 1rem 1rem 1rem' : '1rem',
+          }}
+          codeTagProps={{
+            style: {
+              fontFamily: 'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace',
+            }
+          }}
+        >
+          {raw}
+        </SyntaxHighlighter>
      </div>
    );
  },
Author	SHA1	Message	Date
Haileyesus Dessie	f8d1ec7b9e	Merge pull request #250 from ZhenhongDu/main feat: Add codeblock highlight support in ChatInterface	2026-01-15 21:10:06 +03:00
viper151	ee3917b3f9	Merge branch 'main' into main	2026-01-06 12:43:35 +01:00
viper151	81c0773358	Merge branch 'main' into main	2025-12-31 08:54:50 +01:00
Zhenhong Du	89c9aec5b7	feat: add codeblock highlight in ChatInterface	2025-12-01 12:01:30 +08:00
Zhenhong Du	e74a813093	add packages for code highlight in chatui	2025-12-01 11:57:44 +08:00