28 lines
797 B
TypeScript
28 lines
797 B
TypeScript
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import katex, { type KatexOptions } from "katex";
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export const NOTE_MATH_KATEX_OPTIONS: KatexOptions = Object.freeze({
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displayMode: true,
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output: "htmlAndMathml",
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throwOnError: false,
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strict: "warn",
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trust: false,
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maxExpand: 1_000,
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maxSize: 20,
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});
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export const normalizeNoteMathSource = (source: string): string => {
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const trimmed = source.trim();
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if (trimmed.length >= 4 && trimmed.startsWith("$$") && trimmed.endsWith("$$")) {
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return trimmed.slice(2, -2).trim();
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}
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if (trimmed.length >= 4 && trimmed.startsWith("\\[") && trimmed.endsWith("\\]")) {
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return trimmed.slice(2, -2).trim();
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}
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return trimmed;
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};
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export const renderNoteMathFormula = (source: string): string => katex.renderToString(
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normalizeNoteMathSource(source),
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NOTE_MATH_KATEX_OPTIONS,
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);
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