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feat: add LaTeX math equation rendering in chat window (#4258) #4786

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Merged
merged 8 commits into from
Jun 20, 2025
Merged

feat: add LaTeX math equation rendering in chat window (#4258) #4786

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6c0f57c
feat: add setting to disable diff visualization to prevent LSP crashes
hannesrudolph Jun 16, 2025
45ba23c
feat: move disableDiffVisualization to experimental settings
hannesrudolph Jun 16, 2025
28e68cd
feat: add LaTeX math equation rendering in chat window (#4258)
hannesrudolph Jun 17, 2025
503b30d
fix: update LaTeX setting translations for all locales
hannesrudolph Jun 17, 2025
a851c9e
fix: remove unintended DISABLE_DIFF_VISUALIZATION feature from LaTeX PR
hannesrudolph Jun 17, 2025
9c9f030
fix: remove unnecessary styles from KaTeX error display
daniel-lxs Jun 19, 2025
22154fa
fix: revert merge artifacts
daniel-lxs Jun 19, 2025
161eb33
revert this
daniel-lxs Jun 19, 2025
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609 changes: 477 additions & 132 deletions pnpm-lock.yaml
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3 changes: 3 additions & 0 deletions src/.vscodeignore
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Expand Up @@ -19,6 +19,9 @@
!webview-ui/build/assets/*.js
!webview-ui/build/assets/*.ttf
!webview-ui/build/assets/*.css
!webview-ui/build/assets/fonts/*.woff
!webview-ui/build/assets/fonts/*.woff2
!webview-ui/build/assets/fonts/*.ttf

# Include default themes JSON files used in getTheme
!integrations/theme/default-themes/**
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4 changes: 2 additions & 2 deletions src/core/webview/ClineProvider.ts
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Expand Up @@ -665,7 +665,7 @@ export class ClineProvider

const csp = [
"default-src 'none'",
`font-src ${webview.cspSource}`,
`font-src ${webview.cspSource} data:`,
`style-src ${webview.cspSource} 'unsafe-inline' https://* http://${localServerUrl} http://0.0.0.0:${localPort}`,
`img-src ${webview.cspSource} https://storage.googleapis.com https://img.clerk.com data:`,
`media-src ${webview.cspSource}`,
Expand Down Expand Up @@ -752,7 +752,7 @@ export class ClineProvider
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no">
<meta name="theme-color" content="#000000">
<meta http-equiv="Content-Security-Policy" content="default-src 'none'; font-src ${webview.cspSource}; style-src ${webview.cspSource} 'unsafe-inline'; img-src ${webview.cspSource} https://storage.googleapis.com https://img.clerk.com data:; media-src ${webview.cspSource}; script-src ${webview.cspSource} 'wasm-unsafe-eval' 'nonce-${nonce}' https://us-assets.i.posthog.com 'strict-dynamic'; connect-src https://openrouter.ai https://api.requesty.ai https://us.i.posthog.com https://us-assets.i.posthog.com;">
<meta http-equiv="Content-Security-Policy" content="default-src 'none'; font-src ${webview.cspSource} data:; style-src ${webview.cspSource} 'unsafe-inline'; img-src ${webview.cspSource} https://storage.googleapis.com https://img.clerk.com data:; media-src ${webview.cspSource}; script-src ${webview.cspSource} 'wasm-unsafe-eval' 'nonce-${nonce}' https://us-assets.i.posthog.com 'strict-dynamic'; connect-src https://openrouter.ai https://api.requesty.ai https://us.i.posthog.com https://us-assets.i.posthog.com;">
<link rel="stylesheet" type="text/css" href="${stylesUri}">
<link href="${codiconsUri}" rel="stylesheet" />
<script nonce="${nonce}">
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5 changes: 5 additions & 0 deletions webview-ui/package.json
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Expand Up @@ -44,6 +44,7 @@
"fzf": "^0.5.2",
"i18next": "^25.0.0",
"i18next-http-backend": "^3.0.2",
"katex": "^0.16.11",
"knuth-shuffle-seeded": "^1.0.6",
"lru-cache": "^11.1.0",
"lucide-react": "^0.518.0",
Expand All @@ -59,7 +60,9 @@
"react-use": "^17.5.1",
"react-virtuoso": "^4.7.13",
"rehype-highlight": "^7.0.0",
"rehype-katex": "^7.0.1",
"remark-gfm": "^4.0.1",
"remark-math": "^6.0.0",
"remove-markdown": "^0.6.0",
"shell-quote": "^1.8.2",
"shiki": "^3.2.1",
Expand All @@ -80,6 +83,8 @@
"@testing-library/jest-dom": "^6.6.3",
"@testing-library/react": "^16.2.0",
"@testing-library/user-event": "^14.6.1",
"@types/jest": "^29.0.0",
"@types/katex": "^0.16.7",
"@types/node": "20.x",
"@types/react": "^18.3.23",
"@types/react-dom": "^18.3.5",
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30 changes: 29 additions & 1 deletion webview-ui/src/components/common/MarkdownBlock.tsx
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Expand Up @@ -2,6 +2,8 @@ import React, { memo, useEffect } from "react"
import { useRemark } from "react-remark"
import styled from "styled-components"
import { visit } from "unist-util-visit"
import rehypeKatex from "rehype-katex"
import remarkMath from "remark-math"

import { vscode } from "@src/utils/vscode"
import { useExtensionState } from "@src/context/ExtensionStateContext"
Expand Down Expand Up @@ -75,6 +77,31 @@ const StyledMarkdown = styled.div`
);
}

/* KaTeX styling */
.katex {
font-size: 1.1em;
color: var(--vscode-editor-foreground);
font-family: KaTeX_Main, "Times New Roman", serif;
line-height: 1.2;
white-space: normal;
text-indent: 0;
}

.katex-display {
display: block;
margin: 1em 0;
text-align: center;
padding: 0.5em;
overflow-x: auto;
overflow-y: hidden;
background-color: var(--vscode-textCodeBlock-background);
border-radius: 3px;
}

.katex-error {
color: var(--vscode-errorForeground);
}

font-family:
var(--vscode-font-family),
system-ui,
Expand Down Expand Up @@ -126,6 +153,7 @@ const MarkdownBlock = memo(({ markdown }: MarkdownBlockProps) => {
const [reactContent, setMarkdown] = useRemark({
remarkPlugins: [
remarkUrlToLink,
remarkMath,
() => {
return (tree) => {
visit(tree, "code", (node: any) => {
Expand All @@ -138,7 +166,7 @@ const MarkdownBlock = memo(({ markdown }: MarkdownBlockProps) => {
}
},
],
rehypePlugins: [],
rehypePlugins: [rehypeKatex as any],
rehypeReactOptions: {
components: {
a: ({ href, children }: any) => {
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4 changes: 2 additions & 2 deletions webview-ui/src/context/__tests__/ExtensionStateContext.spec.tsx
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Expand Up @@ -221,8 +221,8 @@ describe("mergeExtensionState", () => {
experiments: {
powerSteering: true,
marketplace: false,
concurrentFileReads: true,
disableCompletionCommand: false,
concurrentFileReads: true,
multiFileApplyDiff: true,
} as Record<ExperimentId, boolean>,
}
Expand All @@ -237,8 +237,8 @@ describe("mergeExtensionState", () => {
expect(result.experiments).toEqual({
powerSteering: true,
marketplace: false,
concurrentFileReads: true,
disableCompletionCommand: false,
concurrentFileReads: true,
multiFileApplyDiff: true,
})
})
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1 change: 1 addition & 0 deletions webview-ui/src/index.css
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Expand Up @@ -18,6 +18,7 @@
@import "tailwindcss/theme.css" layer(theme);
@import "./preflight.css" layer(base);
@import "tailwindcss/utilities.css" layer(utilities);
@import "katex/dist/katex.min.css";

@plugin "tailwindcss-animate";

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12 changes: 11 additions & 1 deletion webview-ui/vite.config.ts
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Expand Up @@ -105,7 +105,17 @@ export default defineConfig(({ mode }) => {
// Default naming for other chunks, ensuring uniqueness from entry
return `assets/chunk-[hash].js`
},
assetFileNames: `assets/[name].[ext]`,
assetFileNames: (assetInfo) => {
if (
assetInfo.name &&
(assetInfo.name.endsWith(".woff2") ||
assetInfo.name.endsWith(".woff") ||
assetInfo.name.endsWith(".ttf"))
) {
return "assets/fonts/[name][extname]"
}
return "assets/[name][extname]"
},
manualChunks: (id, { getModuleInfo }) => {
// Consolidate all mermaid code and its direct large dependencies (like dagre)
// into a single chunk. The 'channel.js' error often points to dagre.
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