Adopt esbuild for bundling more builtin extensions#294227
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Pull request overview
This PR migrates three built-in extensions from webpack to esbuild for bundling: mermaid-chat-features, media-preview, and markdown-math. This follows the pattern established in PR #294208 which migrated the markdown-language-features extension.
Changes:
- Replaced webpack configurations with esbuild configurations for Node.js and browser builds
- Updated ESLint configuration to use more specific file patterns for the migrated extensions
Reviewed changes
Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.
Show a summary per file
| File | Description |
|---|---|
| extensions/mermaid-chat-features/extension-browser.webpack.config.js | Deleted webpack browser configuration (replaced by esbuild-browser.ts) |
| extensions/mermaid-chat-features/esbuild.ts | Added esbuild configuration for Node.js builds |
| extensions/mermaid-chat-features/esbuild-browser.ts | Added esbuild configuration for browser builds with process.* defines |
| extensions/media-preview/extension.webpack.config.js | Deleted webpack configuration (replaced by esbuild.ts) |
| extensions/media-preview/esbuild.ts | Added esbuild configuration for Node.js builds |
| extensions/media-preview/esbuild-browser.ts | Added esbuild configuration for browser builds with process.* defines |
| extensions/markdown-math/extension-browser.webpack.config.js | Deleted webpack browser configuration (replaced by esbuild-browser.ts) |
| extensions/markdown-math/esbuild.ts | Added esbuild configuration for Node.js builds |
| extensions/markdown-math/esbuild-browser.ts | Added esbuild configuration for browser builds with process.* defines |
| eslint.config.js | Updated file patterns from wildcards to specific paths for the migrated extensions |
Comments suppressed due to low confidence (1)
eslint.config.js:2071
- The glob pattern 'extensions/mermaid-chat-features/src/.ts' only matches TypeScript files directly in the src directory, but the extension has subdirectories like 'src/util/' with TypeScript files. This pattern should be 'extensions/mermaid-chat-features/src/**/.ts' to match all TypeScript files recursively.
'extensions/mermaid-chat-features/src/*.ts',
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|
Tested latest insiders that uses esbuild for bundling markdown on both desktop and web. Everything seem to work well so far so going ahead with the next batch of extensions |
lramos15
approved these changes
Feb 11, 2026
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Follow up on #294208
Will let that PR cook a day or so before merging this in too. Also creating full build for testing