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better formatting

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This commit is contained in:
Hellings 2026-10-23 09:12:49 -04:00
parent dcf9225fb8
commit 7ce1305329
2 changed files with 49 additions and 22 deletions
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51
index.ts
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@ -6,34 +6,61 @@ import { renderMarkdown } from "muddle/markdown";
import katex from "katex"; import katex from "katex";
export function renderLatex(source: string, displayMode = false): string { export function renderLatex(source: string, displayMode = false): string {
return katex.renderToString(source, { displayMode, throwOnError: false, trust: false }); return katex.renderToString(source, {
displayMode,
throwOnError: false,
trust: false,
});
} }
export function renderMathMarkdown(source: string): string { export function renderMathMarkdown(source: string): string {
const formulas: string[] = []; const formulas: string[] = [];
const body = source.replace(/\$\$([\s\S]+?)\$\$|(?<!\\)\$([^$\n]+?)\$/g, (_match, display, inline) => { const body = source.replace(
formulas.push(renderLatex(display ?? inline, display !== undefined)); /\$\$([\s\S]+?)\$\$|(?<!\\)\$([^$\n]+?)\$/g,
return `MUDDLEMATH${formulas.length - 1}END`; (_match, display, inline) => {
}); formulas.push(renderLatex(display ?? inline, display !== undefined));
return renderMarkdown(body).replace(/MUDDLEMATH(\d+)END/g, (_match, index) => formulas[Number(index)] ?? ""); return `MUDDLEMATH${formulas.length - 1}END`;
},
);
return renderMarkdown(body).replace(
/MUDDLEMATH(\d+)END/g,
(_match, index) => formulas[Number(index)] ?? "",
);
} }
export interface LatexIntegrationOptions { route?: string } export interface LatexIntegrationOptions {
route?: string;
}
export function latexIntegration(options: LatexIntegrationOptions = {}): Integration { export function latexIntegration(
options: LatexIntegrationOptions = {},
): Integration {
const route = options.route ?? "/_muddle/katex.css"; const route = options.route ?? "/_muddle/katex.css";
return { return {
name: "latex", name: "latex",
async setup(context: IntegrationContext) { async setup(context: IntegrationContext) {
const base = dirname(fileURLToPath(import.meta.resolve("katex/package.json"))); const base = dirname(
fileURLToPath(import.meta.resolve("katex/package.json")),
);
const css = await readFile(join(base, "dist", "katex.min.css"), "utf8"); const css = await readFile(join(base, "dist", "katex.min.css"), "utf8");
context.loader("latex-markdown", { context.loader("latex-markdown", {
name: "latex-markdown", name: "latex-markdown",
extensions: [".latex.md", ".latex.markdown"], extensions: [".latex.md", ".latex.markdown"],
load(file) { return { data: {}, content: renderMathMarkdown(file.source) }; }, load(file) {
return { data: {}, content: renderMathMarkdown(file.source) };
},
}); });
context.route("GET", route, () => new Response(css, { headers: { "content-type": "text/css; charset=utf-8", "cache-control": "public, max-age=31536000, immutable" } })); context.route(
"GET",
route,
() =>
new Response(css, {
headers: {
"content-type": "text/css; charset=utf-8",
"cache-control": "public, max-age=31536000, immutable",
},
}),
);
}, },
}; };
} }

20
package.json
View file

@ -1,12 +1,12 @@
{ {
"name": "@muddle/latex", "name": "@muddle/latex",
"type": "module", "type": "module",
"exports": "./index.ts", "exports": "./index.ts",
"version": "0.1.0", "version": "0.1.0",
"peerDependencies": { "peerDependencies": {
"muddle": "*" "muddle": "*"
}, },
"dependencies": { "dependencies": {
"katex": "^0.19.0" "katex": "^0.19.0"
} }
} }