a6df16f891
# Conflicts: # aio/content/guide/form-validation.md # aio/content/guide/i18n.md # aio/content/guide/reactive-forms.md # aio/content/marketing/index.html # aio/content/navigation.json # aio/src/environments/environment.stable.ts
42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
const visit = require('unist-util-visit');
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const is = require('hast-util-is-element');
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const toString = require('hast-util-to-string');
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const filter = require('unist-util-filter');
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module.exports = function h1CheckerPostProcessor() {
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return (ast, file) => {
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file.headings = {
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h1: [],
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h2: [],
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h3: [],
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h4: [],
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h5: [],
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h6: [],
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hgroup: []
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};
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visit(ast, node => {
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if (is(node, ['h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hgroup'])) {
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file.headings[node.tagName].push(getText(node));
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}
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});
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if (file.headings.h1.length > 2) {
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file.fail(`More than two h1 found in ${file}`);
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} else if (file.headings.h1.length > 1) {
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file.title = file.headings.h1[1];
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} else if (file.headings.h1.length === 1) {
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file.title = file.headings.h1[0];
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}
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};
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};
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function getText(h1) {
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// Remove the aria-hidden anchor from the h1 node
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const cleaned = filter(h1, node => !(
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is(node, 'a') && node.properties &&
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(node.properties.ariaHidden === 'true' || node.properties['aria-hidden'] === 'true')
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));
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return cleaned ? toString(cleaned) : '';
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}
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