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Diffstat (limited to 'src/rehype/admonition-title-to-heading-after-toc.js')
| -rw-r--r-- | src/rehype/admonition-title-to-heading-after-toc.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/rehype/admonition-title-to-heading-after-toc.js b/src/rehype/admonition-title-to-heading-after-toc.js new file mode 100644 index 00000000..5355983d --- /dev/null +++ b/src/rehype/admonition-title-to-heading-after-toc.js @@ -0,0 +1,41 @@ +import {visit} from 'unist-util-visit'; +import {inspect} from 'unist-util-inspect'; + +const plugin = (options) => { + const transformer = async (ast) => { + let hId = null; + let hContent = null; + visit(ast, 'element', (node, index, parent) => { + if (/^h[2-6]$/.test(node.tagName) && node.properties && node.properties.id) { + // H要素（h2~h6）を見つけた場合 + + // IDとタイトルの冒頭Text部を取得する + hId = node.properties.id; + hContent = node.children ? node.children[0].value : + node.children[0].children[0] ? node.children[0].children[0].value : ''; + + const nextNode = parent.children[index + 1]; + if (nextNode && nextNode.tagName === 'admonition') { + // H要素に続くadmonition（div）を見つけた場合 + + // admonitionタイトルの冒頭Text部分を取得（properties.titleもしくはchildren[0].children[0].value） + const nextNodeTitle = nextNode.properties.title ? nextNode.properties.title : + nextNode.children[0] && nextNode.children[0].children[0] ? nextNode.children[0].children[0].value : ''; + + //console.log(nextNodeTitle.replace(/^#+/, '').trim(), hId); + if(/^##/.test(nextNodeTitle) && nextNodeTitle.replace(/^#+/, '').trim() === hContent.trim()) { + // #で始まっていて、タイトル冒頭部が同じ場合 + // divのidをHタグのidに設定 + nextNode.properties.id = hId; + //console.log(nextNode); + // H要素を削除 + parent.children.splice(index, 1); + } + } + } + }); + }; + return transformer; +}; + +export default plugin;
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