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revert: markdown katex parse

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This commit is contained in:
jialin
2025-06-20 11:18:18 +08:00
parent 1924c45358
commit ca7dc02d88
1 changed files with 16 additions and 52 deletions
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src/components/markdown-viewer/utils.ts
+16 -52
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@@ -32,60 +32,24 @@ export function escapeDollarNumber(text: string) {
return escapedText; return escapedText;
} }
export function escapeBrackets(text: string): string { export function escapeBrackets(text: string) {
const codeRegex = /```[\s\S]*?```|`[^`\n]+`/g; const pattern =
/(```[\S\s]*?```|`.*?`)|\\\[([\S\s]*?[^\\])\\]|\\\((.*?)\\\)/g;
const codeBlocks: string[] = []; return text.replaceAll(
const placeholder = '%%CODE_BLOCK%%'; pattern,
(match, codeBlock, squareBracket, roundBracket) => {
// 1. replace code blocks with a placeholder if (codeBlock) {
// and store them in an array return codeBlock;
const temp = text.replace(codeRegex, (match) => { } else if (squareBracket) {
codeBlocks.push(match); return `$$${squareBracket}$$`;
return placeholder; } else if (roundBracket) {
}); return `$${roundBracket}$`;
}
// 2. repace \[...\] with $$...$$，and replace \(...\) with $...$ return match;
const replaced = temp }
.replace(/\\\[([\s\S]*?)\\\]/g, (_, inner) => `$$${inner}$$`)
.replace(/\\\(([\s\S]*?)\\\)/g, (_, inner) => `$${inner}$`);
// 3. restore code blocks from the placeholder
let i = 0;
return replaced.replace(
new RegExp(placeholder, 'g'),
() => codeBlocks[i++] || ''
); );
} }
export function escapeMhchem_2(text: string) { export function escapeMhchem(text: string) {
return text.replaceAll('$\\ce{', '$\\\\ce{').replaceAll('$\\pu{', '$\\\\pu{'); return text.replaceAll('$\\ce{', '$\\\\ce{').replaceAll('$\\pu{', '$\\\\pu{');
} }
export function escapeMhchem(text: string): string {
const codeRegex = /```[\s\S]*?```|`[^`\n]+`/g;
const codeBlocks: string[] = [];
const placeholder = '%%CODE_BLOCK%%';
// 1. Replace code blocks with a placeholder
const temp = text.replace(codeRegex, (match) => {
codeBlocks.push(match);
return placeholder;
});
// 2. Only perform \ce{} / \pu{} escaping inside $...$ (to avoid incorrect escaping outside math environments)
const mathRegex = /\$(.+?)\$/gs;
const escaped = temp.replace(mathRegex, (_, content) => {
const fixed = content
.replace(/(?<!\\)\\ce\{/g, '\\\\ce{')
.replace(/(?<!\\)\\pu\{/g, '\\\\pu{');
return `$${fixed}$`;
});
// 3. Restore code blocks
let i = 0;
return escaped.replace(
new RegExp(placeholder, 'g'),
() => codeBlocks[i++] || ''
);
}