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subsection.parser.ts.html

subsection.parser.ts.html 20 KB
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  22.         <h1><a href="../../../index.html">All files</a> / <a href="index.html">modules/book-generator/parsers</a> subsection.parser.ts</h1>
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  276. <span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">/**
    277. 

  277.  * 小节解析器
    278. 

  278.  * 容错解析LLM返回的小节大纲JSON
    279. 

  279.  */
    280. 

  280. &nbsp;
    281. 

  281. <span class="cstat-no" title="statement not covered" >export function parseSubsections(jsonStr: string): { subsections: any[] } | null {</span>
    282. 

  282. <span class="cstat-no" title="statement not covered" >  if (!jsonStr || typeof jsonStr !== 'string') {</span>
    283. 

  283. <span class="cstat-no" title="statement not covered" >    console.error('[SubsectionParser] 输入为空或非字符串');</span>
    284. 

  284. <span class="cstat-no" title="statement not covered" >    return null;</span>
    285. 

  285. <span class="cstat-no" title="statement not covered" >  }</span>
    286. 

  286. &nbsp;
    287. 

  287. <span class="cstat-no" title="statement not covered" >  try {</span>
    288. 

  288. <span class="cstat-no" title="statement not covered" >    let data: any;</span>
    289. 

  289. <span class="cstat-no" title="statement not covered" >    let cleanedStr = jsonStr.trim();</span>
    290. 

  290. &nbsp;
    291. 

  291.     // 调试：打印前80个字符
    292. 

  292. <span class="cstat-no" title="statement not covered" >    console.log('[SubsectionParser] 原始前80字符:', JSON.stringify(cleanedStr.substring(0, 80)));</span>
    293. 

  293. &nbsp;
    294. 

  294.     // 清理 JSON 字符串中的非法控制字符
    295. 

  295. <span class="cstat-no" title="statement not covered" >    cleanedStr = cleanedStr.replace(/[\x00-\x1F\x7F]/g, (char) =&gt; {</span>
    296. 

  296.       // 将控制字符替换为空格（换行符会导致JSON解析失败）
    297. 

  297. <span class="cstat-no" title="statement not covered" >      return ' ';</span>
    298. 

  298. <span class="cstat-no" title="statement not covered" >    });</span>
    299. 

  299. &nbsp;
    300. 

  300.     // 移除 markdown 代码块标记
    301. 

  301. <span class="cstat-no" title="statement not covered" >    cleanedStr = cleanedStr.replace(/```json\s*/gi, '').replace(/```\s*/g, '').trim();</span>
    302. 

  302. &nbsp;
    303. 

  303.     // 移除思考标签
    304. 

  304. <span class="cstat-no" title="statement not covered" >    cleanedStr = cleanedStr.replace(/^[\s\S]*?&lt;blockquote&gt;\s*[\s\S]*?&lt;\/blockquote&gt;\s*/, '');</span>
    305. 

  305.     // 如果以 开头，说明思考标签在JSON之前，需要移除
    306. 

  306.     // 修复：&lt;/think&gt;是结束标签，&lt;/think&gt;是开始标签
    307. 

  307. <span class="cstat-no" title="statement not covered" >    const thinkEndIdx = cleanedStr.indexOf('&lt;/think&gt;');</span>
    308. 

  308. <span class="cstat-no" title="statement not covered" >    if (thinkEndIdx !== -1) {</span>
    309. 

  309. <span class="cstat-no" title="statement not covered" >      cleanedStr = cleanedStr.substring(thinkEndIdx + 8).trim();</span>
    310. 

  310. <span class="cstat-no" title="statement not covered" >    }</span>
    311. 

  311. &nbsp;
    312. 

  312. <span class="cstat-no" title="statement not covered" >    console.log('[SubsectionParser] 处理后前100字符:', JSON.stringify(cleanedStr.substring(0, 100)));</span>
    313. 

  313. &nbsp;
    314. 

  314. <span class="cstat-no" title="statement not covered" >    try {</span>
    315. 

  315. <span class="cstat-no" title="statement not covered" >      data = JSON.parse(cleanedStr);</span>
    316. 

  316. <span class="cstat-no" title="statement not covered" >    } catch {</span>
    317. 

  317.       // 使用括号计数法提取JSON对象
    318. 

  318. <span class="cstat-no" title="statement not covered" >      const firstBrace = cleanedStr.indexOf('{');</span>
    319. 

  319. <span class="cstat-no" title="statement not covered" >      if (firstBrace === -1) {</span>
    320. 

  320. <span class="cstat-no" title="statement not covered" >        console.error('[SubsectionParser] 未找到 JSON 对象');</span>
    321. 

  321. <span class="cstat-no" title="statement not covered" >        return null;</span>
    322. 

  322. <span class="cstat-no" title="statement not covered" >      }</span>
    323. 

  323. <span class="cstat-no" title="statement not covered" >      let jsonCandidate = '';</span>
    324. 

  324. <span class="cstat-no" title="statement not covered" >      let depth = 0;</span>
    325. 

  325. <span class="cstat-no" title="statement not covered" >      let started = false;</span>
    326. 

  326. <span class="cstat-no" title="statement not covered" >      for (let i = firstBrace; i &lt; cleanedStr.length; i++) {</span>
    327. 

  327. <span class="cstat-no" title="statement not covered" >        const ch = cleanedStr[i];</span>
    328. 

  328. <span class="cstat-no" title="statement not covered" >        if (ch === '{') {</span>
    329. 

  329. <span class="cstat-no" title="statement not covered" >          depth++;</span>
    330. 

  330. <span class="cstat-no" title="statement not covered" >          started = true;</span>
    331. 

  331. <span class="cstat-no" title="statement not covered" >        } else if (ch === '}') {</span>
    332. 

  332. <span class="cstat-no" title="statement not covered" >          depth--;</span>
    333. 

  333. <span class="cstat-no" title="statement not covered" >        }</span>
    334. 

  334. <span class="cstat-no" title="statement not covered" >        if (started) jsonCandidate += ch;</span>
    335. 

  335. <span class="cstat-no" title="statement not covered" >        if (started &amp;&amp; depth === 0) break;</span>
    336. 

  336. <span class="cstat-no" title="statement not covered" >      }</span>
    337. 

  337. <span class="cstat-no" title="statement not covered" >      if (!jsonCandidate) {</span>
    338. 

  338. <span class="cstat-no" title="statement not covered" >        console.error('[SubsectionParser] JSON 对象提取失败');</span>
    339. 

  339. <span class="cstat-no" title="statement not covered" >        return null;</span>
    340. 

  340. <span class="cstat-no" title="statement not covered" >      }</span>
    341. 

  341. <span class="cstat-no" title="statement not covered" >      try {</span>
    342. 

  342. <span class="cstat-no" title="statement not covered" >        data = JSON.parse(jsonCandidate);</span>
    343. 

  343. <span class="cstat-no" title="statement not covered" >      } catch (parseErr) {</span>
    344. 

  344. <span class="cstat-no" title="statement not covered" >        console.error('[SubsectionParser] JSON 解析失败:', parseErr);</span>
    345. 

  345. <span class="cstat-no" title="statement not covered" >        return null;</span>
    346. 

  346. <span class="cstat-no" title="statement not covered" >      }</span>
    347. 

  347. <span class="cstat-no" title="statement not covered" >    }</span>
    348. 

  348. &nbsp;
    349. 

  349. <span class="cstat-no" title="statement not covered" >    if (!data || typeof data !== 'object') {</span>
    350. 

  350. <span class="cstat-no" title="statement not covered" >      console.error('[SubsectionParser] 解析结果非对象');</span>
    351. 

  351. <span class="cstat-no" title="statement not covered" >      return null;</span>
    352. 

  352. <span class="cstat-no" title="statement not covered" >    }</span>
    353. 

  353. &nbsp;
    354. 

  354.     // 兼容：如果顶层就是数组
    355. 

  355. <span class="cstat-no" title="statement not covered" >    if (Array.isArray(data)) {</span>
    356. 

  356. <span class="cstat-no" title="statement not covered" >      data = { subsections: data };</span>
    357. 

  357. <span class="cstat-no" title="statement not covered" >    }</span>
    358. 

  358. &nbsp;
    359. 

  359.     // 兼容多种字段名：subsections, Subsections, subsection_list 等
    360. 

  360. <span class="cstat-no" title="statement not covered" >    let subsectionsArray = data.subsections || data.Subsections || data.subsection_list || data.section_subsections;</span>
    361. 

  361.     
    362. 

  362. <span class="cstat-no" title="statement not covered" >    if (!Array.isArray(subsectionsArray)) {</span>
    363. 

  363. <span class="cstat-no" title="statement not covered" >      console.error('[SubsectionParser] subsections 字段缺失或非数组');</span>
    364. 

  364. <span class="cstat-no" title="statement not covered" >      return null;</span>
    365. 

  365. <span class="cstat-no" title="statement not covered" >    }</span>
    366. 

  366. &nbsp;
    367. 

  367. <span class="cstat-no" title="statement not covered" >    return {</span>
    368. 

  368. <span class="cstat-no" title="statement not covered" >      subsections: subsectionsArray.map((s: any, i: number) =&gt; ({</span>
    369. 

  369. <span class="cstat-no" title="statement not covered" >        number: s.number || i + 1,</span>
    370. 

  370. <span class="cstat-no" title="statement not covered" >        title: s.title || `第${i + 1}小节`,</span>
    371. 

  371. <span class="cstat-no" title="statement not covered" >        summary: typeof s.summary === 'string' ? s.summary : '',</span>
    372. 

  372. <span class="cstat-no" title="statement not covered" >        keyPoints: Array.isArray(s.keyPoints) ? s.keyPoints : [],</span>
    373. 

  373. <span class="cstat-no" title="statement not covered" >        estimatedWords: typeof s.estimatedWords === 'number' ? s.estimatedWords : 500,</span>
    374. 

  374. <span class="cstat-no" title="statement not covered" >      })),</span>
    375. 

  375. <span class="cstat-no" title="statement not covered" >    };</span>
    376. 

  376. <span class="cstat-no" title="statement not covered" >  } catch (err) {</span>
    377. 

  377. <span class="cstat-no" title="statement not covered" >    console.error('[SubsectionParser] 未知错误:', err);</span>
    378. 

  378. <span class="cstat-no" title="statement not covered" >    return null;</span>
    379. 

  379. <span class="cstat-no" title="statement not covered" >  }</span>
    380. 

  380. <span class="cstat-no" title="statement not covered" >}</span>
    381. 

  381. &nbsp;</pre></td></tr></table></pre>
    382. 

  382. 

  383.                 <div class='push'></div><!-- for sticky footer -->
    384. 

  384.             </div><!-- /wrapper -->
    385. 

  385.             <div class='footer quiet pad2 space-top1 center small'>
    386. 

  386.                 Code coverage generated by
    387. 

  387.                 <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
    388. 

  388.                 at 2026-05-19T14:27:48.313Z
    389. 

  389.             </div>
    390. 

  390.         <script src="../../../prettify.js"></script>
    391. 

  391.         <script>
    392. 

  392.             window.onload = function () {
    393. 

  393.                 prettyPrint();
    394. 

  394.             };
    395. 

  395.         </script>
    396. 

  396.         <script src="../../../sorter.js"></script>
    397. 

  397.         <script src="../../../block-navigation.js"></script>
    398. 

  398.     </body>
    399. 

  399. </html>
    400. 

  400.     
    401.