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feat(v2): blog support date front matter (#1702)

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* feat(v2): blog support date front matter

* feat(v2): blog support date front matter

* feat(v2): blog support date front matter

* feat(v2): blog support date front matter

* Update CHANGELOG-2.x.md
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陈杨文 2019-07-27 19:03:14 +08:00 • committed by Endi
parent d17a1ea9e3
commit 95ace0e4eb
6 changed files with 117 additions and 17 deletions
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46
packages/docusaurus-plugin-content-blog/src/index.js
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@ -11,13 +11,15 @@ const _ = require('lodash');
const path = require('path');
const {parse, normalizeUrl, docuHash} = require('@docusaurus/utils');
// TODO: Use a better slugify function that doesn't rely on a specific file extension.
function fileToUrl(fileName) {
return fileName
.replace('-', '/')
.replace('-', '/')
.replace('-', '/')
.replace(/\.mdx?$/, '');
// YYYY-MM-DD-{name}.mdx?
// prefer named capture, but old node version do not support
const FILENAME_PATTERN = /^(\d{4}-\d{1,2}-\d{1,2})-?(.*?).mdx?$/;
function toUrl({date, link}) {
return `${date
.toISOString()
.substring(0, '2019-01-01'.length)
.replace(/-/g, '/')}/${link}`;
}
const DEFAULT_OPTIONS = {
@ -70,30 +72,40 @@ module.exports = function(context, opts) {
const source = path.join(blogDir, relativeSource);
const aliasedSource = `@site/${path.relative(siteDir, source)}`;
const blogFileName = path.basename(relativeSource);
// Extract, YYYY, MM, DD from the file name.
const filePathDateArr = blogFileName.split('-');
const date = new Date(
`${filePathDateArr[0]}-${filePathDateArr[1]}-${
filePathDateArr[2]
}T06:00:00.000Z`,
);
const fileString = await fs.readFile(source, 'utf-8');
const {frontMatter, excerpt} = parse(fileString);
let date;
// extract date and title from filename
const match = blogFileName.match(FILENAME_PATTERN);
let linkName = blogFileName.replace(/\.mdx?$/, '');
if (match) {
const [, dateString, name] = match;
date = new Date(dateString);
linkName = name;
}
// prefer usedefined date
if (frontMatter.date) {
date = new Date(frontMatter.date);
}
// use file create time for blog
date = date || (await fs.stat(source)).birthtime;
frontMatter.title = frontMatter.title || linkName;
blogPosts.push({
id: frontMatter.id || blogFileName,
id: frontMatter.id || frontMatter.title,
metadata: {
permalink: normalizeUrl([
baseUrl,
routeBasePath,
frontMatter.id || fileToUrl(blogFileName),
frontMatter.id || toUrl({date, link: linkName}),
]),
source: aliasedSource,
description: frontMatter.description || excerpt,
date,
tags: frontMatter.tags,
title: frontMatter.title || blogFileName,
title: frontMatter.title,
},
});
}),