64 lines
2.6 KiB
JavaScript
64 lines
2.6 KiB
JavaScript
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import {existsSync, lstatSync} from 'node:fs';
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import {resolve} from 'node:path';
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import sortBy from 'lodash-es/sortBy.js';
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import uniq from 'lodash-es/uniq.js';
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import Debug from 'debug';
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import {default as getTimestamp} from '../utils/get-timestamp.js';
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export default async function(pageData, {
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siteConfig,
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debug = Debug('@lando/normalize-frontmatter'), // eslint-disable-line
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} = {}) {
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debug = debug.extend(`${pageData.relativePath}`);
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const {frontmatter, relativePath} = pageData;
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// use lastUpdated for date if its there
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if (!frontmatter.date && Number.isInteger(pageData.lastUpdated)) frontmatter.date = pageData.lastUpdated;
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// if we still dont have a date then we need to discover with git
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if (!frontmatter.date
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&& existsSync(resolve(siteConfig.srcDir, relativePath))
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&& lstatSync(resolve(siteConfig.srcDir, relativePath)).isFile()
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) {
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frontmatter.date = await getTimestamp(resolve(siteConfig.srcDir, relativePath), {debug});
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}
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// standardize some date info
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const date = new Date(frontmatter.date);
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pageData.timestamp = date.getTime();
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pageData.datetime = date.toJSON();
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// prefer authors over author
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if (frontmatter.authors === undefined && frontmatter.author !== undefined) {
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pageData.frontmatter.authors = frontmatter.author;
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delete pageData.frontmatter.author;
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}
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// prefer authors be an array
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if (pageData.frontmatter.authors && !Array.isArray(pageData.frontmatter.authors)) {
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pageData.frontmatter.authors = [pageData.frontmatter.authors];
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}
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// do a final check to make sure authors is at least an empty array
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if (!pageData.frontmatter.authors) pageData.frontmatter.authors = [];
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// consolidate it all into an array at frontmatter.tags
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if (!frontmatter.tags) pageData.frontmatter.tags = [];
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if (frontmatter.tags && typeof frontmatter.tags === 'string') pageData.frontmatter.tags = [pageData.frontmatter.tags];
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if (frontmatter.tag && typeof frontmatter.tag === 'string') pageData.frontmatter.tags.push(pageData.frontmatter.tag);
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if (Array.isArray(pageData.frontmatter.tag)) {
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pageData.frontmatter.tags = pageData.frontmatter.tags.concat(pageData.frontmatter.tag);
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}
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delete pageData.frontmatter.tag;
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// make sure tags are unique
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if (Array.isArray(pageData.frontmatter.tags)) pageData.frontmatter.tags = sortBy(uniq((pageData.frontmatter.tags)));
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// log
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debug('normalized date information to %o', {date: frontmatter.date, timestamp: pageData.timestamp, datetime: pageData.datetime});
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debug('normalized author information to %o', {authors: pageData.frontmatter.authors});
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debug('normalized tags information to %o', {tags: pageData.frontmatter.tags});
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};
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