73 lines
2.2 KiB
JavaScript
73 lines
2.2 KiB
JavaScript
'use strict';
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const fs = require('fs');
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function escapeRe(value) {
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return String(value).replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
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}
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function normalizeQuestion(value) {
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return String(value || '').toLowerCase().replace(/[^\p{L}\p{N}]+/gu, ' ').trim();
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}
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// 用官网 FAQ 更新本地 markdown：保留 frontmatter、章节标题和 Q 顺序，
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// 只替换已有问题的答案，新问题追加到文件末尾。
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function updateMarkdownFile(filePath, questions) {
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if (!fs.existsSync(filePath)) return { changed: false, reason: 'file_missing', added: 0, updated: 0 };
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let content = fs.readFileSync(filePath, 'utf8');
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const bodyStart = (content.match(/^---\n[\s\S]*?\n---\n/) || [''])[0].length;
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const body = content.slice(bodyStart);
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const existing = new Map();
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let currentQ = null;
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let answer = [];
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const flush = () => {
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if (currentQ) existing.set(normalizeQuestion(currentQ), { question: currentQ, answer: answer.join('\n').trim() });
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};
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for (const line of body.split('\n')) {
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const q = line.match(/^###\s+Q:\s*(.*)$/);
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if (q) {
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flush();
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currentQ = q[1].trim();
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answer = [];
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} else if (currentQ) {
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answer.push(line);
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}
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}
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flush();
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let changed = false;
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let added = 0;
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let updated = 0;
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const additions = [];
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for (const item of questions) {
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if (!item.q || !item.a) continue;
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const key = normalizeQuestion(item.q);
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if (existing.has(key)) {
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const prev = existing.get(key);
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if (prev.answer !== item.a) {
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const re = new RegExp(`(### Q: ${escapeRe(prev.question)}\\n)([\\s\\S]*?)(?=\\n### Q:|$)`, 'm');
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if (re.test(content)) {
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content = content.replace(re, (_m, prefix) => `${prefix}${item.a}\n`);
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prev.answer = item.a;
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changed = true;
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updated += 1;
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}
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}
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} else {
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existing.set(key, { question: item.q, answer: item.a });
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additions.push(`### Q: ${item.q}\n${item.a}\n`);
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added += 1;
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changed = true;
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}
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}
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if (additions.length) {
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content = content.replace(/\s+$/, '') + '\n\n' + additions.join('\n');
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}
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if (changed) fs.writeFileSync(filePath, content, 'utf8');
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return { changed, added, updated };
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}
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module.exports = { updateMarkdownFile };
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