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Fix headings from tab containers appearing in table of contents (#1018)

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This fixes #1016, which caused duplicate ToC headings to be created for
tab containers. Headings are no longer counted if they are inside tab
contents or inside a `<details>` element.
This commit is contained in:
Corbin Crutchley
2024-01-20 22:42:28 -08:00
committed by GitHub
parent 206beae60c deac45cd00
commit 8002522a7a
1 changed files with 9 additions and 1 deletions
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10
src/utils/markdown/rehype-header-text.ts
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@@ -2,7 +2,7 @@ import { headingRank } from "hast-util-heading-rank";
import { hasProperty } from "hast-util-has-property";
import { toString } from "hast-util-to-string";
import { Root, Parent } from "hast";
import { visit } from "unist-util-visit";
import { visit, SKIP } from "unist-util-visit";
/**
* Plugin to add `data-header-text`s to headings.
@@ -12,6 +12,14 @@ export const rehypeHeaderText = () => {
const headingsWithId = (file.data.astro.frontmatter.headingsWithId = []);
visit(tree, "element", (node: Parent["children"][number]) => {
// Don't descend into tab containers or collapsible <details> elements
if (
"properties" in node &&
(node.properties["role"] === "tabpanel" || node.tagName === "details")
) {
return SKIP;
}
if (
headingRank(node) &&
"properties" in node &&