ankitects/anki

Consider lazy-loading MathJax and CodeMirror in editor

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#2,563 opened on 2023年7月1日

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 (4 comments) (1 reaction) (0 assignees)Rust (27,973 stars) (2,965 forks)batch import
editorhelp wantedweb frontend

説明

MathJax appears to account for about 1/3rd of our (2.9MB large!) editor bundle, and codemirror appears to be the second-largest contributor. If we were able to lazy-load these as required, we may be able to improve editor startup time for users who don't use MathJax or the HTML editor by default. We're also using the full MathJax bundle - maybe there's a way to lazy-load the required parts? A good starting point would be to just strip them out and compare editor loading time before and after, to see what sort of performance gains there are.

コントリビューターガイド

技術スタック
javascript
領域
frontendperformance
Issue 種別
performance
難度新しい貢献者にとっての実装難度です。1 は非常に小さな変更、5 は専門的な作業です。
3
推定時間経験ある貢献者が調査、実装、テスト、pull request 準備にかけるおおよその時間範囲です。
half day
活動状況Issue が今どれだけ取り組みやすいかを示します。新しい、活発、古い、ブロック中、またはメンテナー入力待ちなどです。
fresh
明確さ期待される変更、受け入れ条件、次の手順がどれだけ明確かを示します。
mostly clear
前提条件
understanding of lazy loadingfamiliarity with JavaScript bundlers
初心者向け度初回貢献者にどれだけ取り組みやすいかを 1-100 で推定したスコアです。
60
調査方針
Start by examining the editor's webpack configuration to locate where MathJax and CodeMirror are bundled. Then implement dynamic imports for these libraries and compare bundle size and startup time using browser DevTools or webpack bundle analyzer. Document the performance improvements before submitting a PR.
Consider lazy-loading MathJax and CodeMirror in editor · ankitects/anki#2563 | Good First Issue