Files
documentation/node_modules/@docusaurus/plugin-content-blog/lib/blogUtils.js
2024-03-22 03:47:51 +05:30

281 lines
11 KiB
JavaScript

"use strict";
/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.linkify = exports.generateBlogPosts = exports.parseBlogFileName = exports.getBlogTags = exports.shouldBeListed = exports.paginateBlogPosts = exports.getSourceToPermalink = exports.truncate = void 0;
const tslib_1 = require("tslib");
const fs_extra_1 = tslib_1.__importDefault(require("fs-extra"));
const path_1 = tslib_1.__importDefault(require("path"));
const lodash_1 = tslib_1.__importDefault(require("lodash"));
const logger_1 = tslib_1.__importDefault(require("@docusaurus/logger"));
const reading_time_1 = tslib_1.__importDefault(require("reading-time"));
const utils_1 = require("@docusaurus/utils");
const frontMatter_1 = require("./frontMatter");
const authors_1 = require("./authors");
function truncate(fileString, truncateMarker) {
return fileString.split(truncateMarker, 1).shift();
}
exports.truncate = truncate;
function getSourceToPermalink(blogPosts) {
return Object.fromEntries(blogPosts.map(({ metadata: { source, permalink } }) => [source, permalink]));
}
exports.getSourceToPermalink = getSourceToPermalink;
function paginateBlogPosts({ blogPosts, basePageUrl, blogTitle, blogDescription, postsPerPageOption, }) {
const totalCount = blogPosts.length;
const postsPerPage = postsPerPageOption === 'ALL' ? totalCount : postsPerPageOption;
const numberOfPages = Math.ceil(totalCount / postsPerPage);
const pages = [];
function permalink(page) {
return page > 0
? (0, utils_1.normalizeUrl)([basePageUrl, `page/${page + 1}`])
: basePageUrl;
}
for (let page = 0; page < numberOfPages; page += 1) {
pages.push({
items: blogPosts
.slice(page * postsPerPage, (page + 1) * postsPerPage)
.map((item) => item.id),
metadata: {
permalink: permalink(page),
page: page + 1,
postsPerPage,
totalPages: numberOfPages,
totalCount,
previousPage: page !== 0 ? permalink(page - 1) : undefined,
nextPage: page < numberOfPages - 1 ? permalink(page + 1) : undefined,
blogDescription,
blogTitle,
},
});
}
return pages;
}
exports.paginateBlogPosts = paginateBlogPosts;
function shouldBeListed(blogPost) {
return !blogPost.metadata.unlisted;
}
exports.shouldBeListed = shouldBeListed;
function getBlogTags({ blogPosts, ...params }) {
const groups = (0, utils_1.groupTaggedItems)(blogPosts, (blogPost) => blogPost.metadata.tags);
return lodash_1.default.mapValues(groups, ({ tag, items: tagBlogPosts }) => {
const tagVisibility = (0, utils_1.getTagVisibility)({
items: tagBlogPosts,
isUnlisted: (item) => item.metadata.unlisted,
});
return {
label: tag.label,
items: tagVisibility.listedItems.map((item) => item.id),
permalink: tag.permalink,
pages: paginateBlogPosts({
blogPosts: tagVisibility.listedItems,
basePageUrl: tag.permalink,
...params,
}),
unlisted: tagVisibility.unlisted,
};
});
}
exports.getBlogTags = getBlogTags;
const DATE_FILENAME_REGEX = /^(?<folder>.*)(?<date>\d{4}[-/]\d{1,2}[-/]\d{1,2})[-/]?(?<text>.*?)(?:\/index)?.mdx?$/;
function parseBlogFileName(blogSourceRelative) {
const dateFilenameMatch = blogSourceRelative.match(DATE_FILENAME_REGEX);
if (dateFilenameMatch) {
const { folder, text, date: dateString } = dateFilenameMatch.groups;
// Always treat dates as UTC by adding the `Z`
const date = new Date(`${dateString}Z`);
const slugDate = dateString.replace(/-/g, '/');
const slug = `/${slugDate}/${folder}${text}`;
return { date, text: text, slug };
}
const text = blogSourceRelative.replace(/(?:\/index)?\.mdx?$/, '');
const slug = `/${text}`;
return { date: undefined, text, slug };
}
exports.parseBlogFileName = parseBlogFileName;
function formatBlogPostDate(locale, date, calendar) {
try {
return new Intl.DateTimeFormat(locale, {
day: 'numeric',
month: 'long',
year: 'numeric',
timeZone: 'UTC',
calendar,
}).format(date);
}
catch (err) {
logger_1.default.error `Can't format blog post date "${String(date)}"`;
throw err;
}
}
async function parseBlogPostMarkdownFile({ filePath, parseFrontMatter, }) {
const fileContent = await fs_extra_1.default.readFile(filePath, 'utf-8');
try {
const result = await (0, utils_1.parseMarkdownFile)({
filePath,
fileContent,
parseFrontMatter,
removeContentTitle: true,
});
return {
...result,
frontMatter: (0, frontMatter_1.validateBlogPostFrontMatter)(result.frontMatter),
};
}
catch (err) {
logger_1.default.error `Error while parsing blog post file path=${filePath}.`;
throw err;
}
}
const defaultReadingTime = ({ content, options }) => (0, reading_time_1.default)(content, options).minutes;
async function processBlogSourceFile(blogSourceRelative, contentPaths, context, options, authorsMap) {
const { siteConfig: { baseUrl, markdown: { parseFrontMatter }, }, siteDir, i18n, } = context;
const { routeBasePath, tagsBasePath: tagsRouteBasePath, truncateMarker, showReadingTime, editUrl, } = options;
// Lookup in localized folder in priority
const blogDirPath = await (0, utils_1.getFolderContainingFile)((0, utils_1.getContentPathList)(contentPaths), blogSourceRelative);
const blogSourceAbsolute = path_1.default.join(blogDirPath, blogSourceRelative);
const { frontMatter, content, contentTitle, excerpt } = await parseBlogPostMarkdownFile({
filePath: blogSourceAbsolute,
parseFrontMatter,
});
const aliasedSource = (0, utils_1.aliasedSitePath)(blogSourceAbsolute, siteDir);
const draft = (0, utils_1.isDraft)({ frontMatter });
const unlisted = (0, utils_1.isUnlisted)({ frontMatter });
if (draft) {
return undefined;
}
if (frontMatter.id) {
logger_1.default.warn `name=${'id'} header option is deprecated in path=${blogSourceRelative} file. Please use name=${'slug'} option instead.`;
}
const parsedBlogFileName = parseBlogFileName(blogSourceRelative);
async function getDate() {
// Prefer user-defined date.
if (frontMatter.date) {
if (typeof frontMatter.date === 'string') {
// Always treat dates as UTC by adding the `Z`
return new Date(`${frontMatter.date}Z`);
}
// YAML only converts YYYY-MM-DD to dates and leaves others as strings.
return frontMatter.date;
}
else if (parsedBlogFileName.date) {
return parsedBlogFileName.date;
}
try {
const result = (0, utils_1.getFileCommitDate)(blogSourceAbsolute, {
age: 'oldest',
includeAuthor: false,
});
return result.date;
}
catch (err) {
logger_1.default.warn(err);
return (await fs_extra_1.default.stat(blogSourceAbsolute)).birthtime;
}
}
const date = await getDate();
const formattedDate = formatBlogPostDate(i18n.currentLocale, date, i18n.localeConfigs[i18n.currentLocale].calendar);
const title = frontMatter.title ?? contentTitle ?? parsedBlogFileName.text;
const description = frontMatter.description ?? excerpt ?? '';
const slug = frontMatter.slug ?? parsedBlogFileName.slug;
const permalink = (0, utils_1.normalizeUrl)([baseUrl, routeBasePath, slug]);
function getBlogEditUrl() {
const blogPathRelative = path_1.default.relative(blogDirPath, path_1.default.resolve(blogSourceAbsolute));
if (typeof editUrl === 'function') {
return editUrl({
blogDirPath: (0, utils_1.posixPath)(path_1.default.relative(siteDir, blogDirPath)),
blogPath: (0, utils_1.posixPath)(blogPathRelative),
permalink,
locale: i18n.currentLocale,
});
}
else if (typeof editUrl === 'string') {
const isLocalized = blogDirPath === contentPaths.contentPathLocalized;
const fileContentPath = isLocalized && options.editLocalizedFiles
? contentPaths.contentPathLocalized
: contentPaths.contentPath;
const contentPathEditUrl = (0, utils_1.normalizeUrl)([
editUrl,
(0, utils_1.posixPath)(path_1.default.relative(siteDir, fileContentPath)),
]);
return (0, utils_1.getEditUrl)(blogPathRelative, contentPathEditUrl);
}
return undefined;
}
const tagsBasePath = (0, utils_1.normalizeUrl)([
baseUrl,
routeBasePath,
tagsRouteBasePath,
]);
const authors = (0, authors_1.getBlogPostAuthors)({ authorsMap, frontMatter, baseUrl });
return {
id: slug,
metadata: {
permalink,
editUrl: getBlogEditUrl(),
source: aliasedSource,
title,
description,
date,
formattedDate,
tags: (0, utils_1.normalizeFrontMatterTags)(tagsBasePath, frontMatter.tags),
readingTime: showReadingTime
? options.readingTime({
content,
frontMatter,
defaultReadingTime,
})
: undefined,
hasTruncateMarker: truncateMarker.test(content),
authors,
frontMatter,
unlisted,
},
content,
};
}
async function generateBlogPosts(contentPaths, context, options) {
const { include, exclude } = options;
if (!(await fs_extra_1.default.pathExists(contentPaths.contentPath))) {
return [];
}
const blogSourceFiles = await (0, utils_1.Globby)(include, {
cwd: contentPaths.contentPath,
ignore: exclude,
});
const authorsMap = await (0, authors_1.getAuthorsMap)({
contentPaths,
authorsMapPath: options.authorsMapPath,
});
async function doProcessBlogSourceFile(blogSourceFile) {
try {
return await processBlogSourceFile(blogSourceFile, contentPaths, context, options, authorsMap);
}
catch (err) {
throw new Error(`Processing of blog source file path=${blogSourceFile} failed.`, { cause: err });
}
}
const blogPosts = (await Promise.all(blogSourceFiles.map(doProcessBlogSourceFile))).filter(Boolean);
blogPosts.sort((a, b) => b.metadata.date.getTime() - a.metadata.date.getTime());
if (options.sortPosts === 'ascending') {
return blogPosts.reverse();
}
return blogPosts;
}
exports.generateBlogPosts = generateBlogPosts;
function linkify({ filePath, contentPaths, fileString, siteDir, sourceToPermalink, onBrokenMarkdownLink, }) {
const { newContent, brokenMarkdownLinks } = (0, utils_1.replaceMarkdownLinks)({
siteDir,
fileString,
filePath,
contentPaths,
sourceToPermalink,
});
brokenMarkdownLinks.forEach((l) => onBrokenMarkdownLink(l));
return newContent;
}
exports.linkify = linkify;