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fix: protect LaTeX formulas when unescaping JSONL escape sequences

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Henry-Jessie
2025-11-04 16:26:17 +08:00
parent 06d17eb22e
commit a100aa598c
1 changed files with 37 additions and 12 deletions
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49
src/components/ChatInterface.jsx
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@@ -59,6 +59,37 @@ function normalizeInlineCodeFences(text) {
}
}
// Unescape \n, \t, \r while protecting LaTeX formulas ($...$ and $$...$$) from being corrupted
function unescapeWithMathProtection(text) {
if (!text || typeof text !== 'string') return text;
const mathBlocks = [];
const PLACEHOLDER_PREFIX = '__MATH_BLOCK_';
const PLACEHOLDER_SUFFIX = '__';
// Extract and protect math formulas
let processedText = text.replace(/\$\$([\s\S]*?)\$\$|\$([^\$\n]+?)\$/g, (match) => {
const index = mathBlocks.length;
mathBlocks.push(match);
return `${PLACEHOLDER_PREFIX}${index}${PLACEHOLDER_SUFFIX}`;
});
// Process escape sequences on non-math content
processedText = processedText.replace(/\\n/g, '\n')
.replace(/\\t/g, '\t')
.replace(/\\r/g, '\r');
// Restore math formulas
processedText = processedText.replace(
new RegExp(`${PLACEHOLDER_PREFIX}(\\d+)${PLACEHOLDER_SUFFIX}`, 'g'),
(match, index) => {
return mathBlocks[parseInt(index)];
}
);
return processedText;
}
// Small wrapper to keep markdown behavior consistent in one place
const Markdown = ({ children, className }) => {
const content = normalizeInlineCodeFences(String(children ?? ''));
@@ -2532,10 +2563,8 @@ function ChatInterface({ selectedProject, selectedSession, ws, sendMessage, mess
content.startsWith('[Request interrupted');
if (!shouldSkip) {
// Unescape double-escaped newlines and other escape sequences
content = content.replace(/\\n/g, '\n')
.replace(/\\t/g, '\t')
.replace(/\\r/g, '\r');
// Unescape with math formula protection
content = unescapeWithMathProtection(content);
converted.push({
type: messageType,
content: content,
@@ -2549,12 +2578,10 @@ function ChatInterface({ selectedProject, selectedSession, ws, sendMessage, mess
if (Array.isArray(msg.message.content)) {
for (const part of msg.message.content) {
if (part.type === 'text') {
// Unescape double-escaped newlines and other escape sequences
// Unescape with math formula protection
let text = part.text;
if (typeof text === 'string') {
text = text.replace(/\\n/g, '\n')
.replace(/\\t/g, '\t')
.replace(/\\r/g, '\r');
text = unescapeWithMathProtection(text);
}
converted.push({
type: 'assistant',
@@ -2583,11 +2610,9 @@ function ChatInterface({ selectedProject, selectedSession, ws, sendMessage, mess
}
}
} else if (typeof msg.message.content === 'string') {
// Unescape double-escaped newlines and other escape sequences
// Unescape with math formula protection
let text = msg.message.content;
text = text.replace(/\\n/g, '\n')
.replace(/\\t/g, '\t')
.replace(/\\r/g, '\r');
text = unescapeWithMathProtection(text);
converted.push({
type: 'assistant',
content: text,