{
  "url": "https://unifast.dev/zh-TW/docs/packages/node/custom-heading-id/",
  "locale": "zh-TW",
  "title": "customHeadingId()",
  "description": "以 {#custom-id} 語法為標題設定自訂 ID。",
  "section": "packages",
  "body": "```ts\nimport { customHeadingId } from \"@unifast/node\";\n```\n\n## 函式簽名\n\n```ts\nfunction customHeadingId(): UnifastPlugin\n```\n\n## 參數\n\n無。\n\n## 用法\n\n```ts\nimport { compile, customHeadingId } from \"@unifast/node\";\n\nconst md = `# Introduction {#intro}`;\n\nconst result = compile(md, {\n  plugins: [customHeadingId()],\n});\n// The heading gets id=\"intro\" instead of the auto-generated slug\n```\n\n## 範例\n\n### 自訂 ID\n\n在標題結尾使用 `{#custom-id}` 語法可指定特定的 `id` 屬性。大括號區塊會從渲染後的文字中移除：\n\n```ts\nimport { compile, customHeadingId } from \"@unifast/node\";\n\nconst md = `## Getting Started {#getting-started}`;\n\nconst result = compile(md, { plugins: [customHeadingId()] });\nconsole.log(result.output);\n// <h2 id=\"getting-started\">Getting Started</h2>\n```\n\n### 未使用自訂 ID 的標題\n\n未使用 `{#...}` 語法的標題不會被修改。它們會使用從標題文字自動產生的預設 slug：\n\n```ts\nimport { compile, customHeadingId } from \"@unifast/node\";\n\nconst md = `## Getting Started`;\n\nconst result = compile(md, { plugins: [customHeadingId()] });\nconsole.log(result.output);\n// <h2 id=\"getting-started\">Getting Started</h2>\n```\n\n### Class 與任意屬性\n\n大括號語法同時支援 `.class` 與 `key=value` 寫法：\n\n```ts\nimport { compile, customHeadingId } from \"@unifast/node\";\n\nconst md = `## API Reference {#api .docs data-level=2}`;\n\nconst result = compile(md, { plugins: [customHeadingId()] });\nconsole.log(result.output);\n// <h2 id=\"api\" class=\"docs\" data-level=\"2\">API Reference</h2>\n```",
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