56 lines
1.8 KiB
JavaScript
56 lines
1.8 KiB
JavaScript
import { keys, startsWith } from '@vuepress/helper';
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const appendMetaToHead = (head, { name, content, attribute = ['article:', 'og:'].some((type) => startsWith(name, type))
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? 'property'
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: 'name', }) => {
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if (content)
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head.unshift(['meta', { [attribute]: name, content }]);
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};
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export const addOGP = (head, content) => {
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keys(content)
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.reverse()
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.forEach((property) => {
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switch (property) {
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case 'article:tag':
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;
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content['article:tag'].forEach((tag) => {
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appendMetaToHead(head, { name: 'article:tag', content: tag });
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});
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break;
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case 'og:locale:alternate':
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content['og:locale:alternate'].forEach((locale) => {
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if (locale !== content['og:locale'])
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appendMetaToHead(head, {
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name: 'og:locale:alternate',
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content: locale,
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});
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});
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break;
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default:
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if (content[property])
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appendMetaToHead(head, {
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name: property,
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content: content[property],
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});
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}
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});
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};
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export const appendJSONLD = (head, content) => {
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head.unshift([
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'script',
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{ type: 'application/ld+json' },
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JSON.stringify(content),
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]);
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};
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export const appendCanonical = (head, url) => {
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if (url)
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head.unshift(['link', { rel: 'canonical', href: url }]);
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};
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export const appendAlternate = (head, urls) => {
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urls.forEach(({ lang, path }) => {
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head.unshift([
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'link',
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{ rel: 'alternate', hreflang: lang.toLowerCase(), href: path },
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]);
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});
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};
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