111 lines
3.8 KiB
JavaScript
111 lines
3.8 KiB
JavaScript
export const EXTERNAL_URL_RE = /^[a-z]+:/i;
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export const APPEARANCE_KEY = 'vitepress-theme-appearance';
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export const HASH_RE = /#.*$/;
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export const EXT_RE = /(index)?\.(md|html)$/;
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export const inBrowser = typeof document !== 'undefined';
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export const notFoundPageData = {
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relativePath: '',
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filePath: '',
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title: '404',
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description: 'Not Found',
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headers: [],
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frontmatter: { sidebar: false, layout: 'page' },
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lastUpdated: 0,
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isNotFound: true
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};
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export function isActive(currentPath, matchPath, asRegex = false) {
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if (matchPath === undefined) {
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return false;
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}
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currentPath = normalize(`/${currentPath}`);
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if (asRegex) {
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return new RegExp(matchPath).test(currentPath);
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}
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if (normalize(matchPath) !== currentPath) {
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return false;
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}
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const hashMatch = matchPath.match(HASH_RE);
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if (hashMatch) {
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return (inBrowser ? location.hash : '') === hashMatch[0];
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}
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return true;
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}
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export function normalize(path) {
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return decodeURI(path).replace(HASH_RE, '').replace(EXT_RE, '');
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}
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export function isExternal(path) {
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return EXTERNAL_URL_RE.test(path);
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}
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/**
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* this merges the locales data to the main data by the route
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*/
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export function resolveSiteDataByRoute(siteData, relativePath) {
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const localeIndex = Object.keys(siteData.locales).find((key) => key !== 'root' &&
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!isExternal(key) &&
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isActive(relativePath, `/${key}/`, true)) || 'root';
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return Object.assign({}, siteData, {
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localeIndex,
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lang: siteData.locales[localeIndex]?.lang ?? siteData.lang,
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dir: siteData.locales[localeIndex]?.dir ?? siteData.dir,
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title: siteData.locales[localeIndex]?.title ?? siteData.title,
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titleTemplate: siteData.locales[localeIndex]?.titleTemplate ?? siteData.titleTemplate,
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description: siteData.locales[localeIndex]?.description ?? siteData.description,
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head: mergeHead(siteData.head, siteData.locales[localeIndex]?.head ?? []),
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themeConfig: {
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...siteData.themeConfig,
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...siteData.locales[localeIndex]?.themeConfig
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}
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});
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}
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/**
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* Create the page title string based on config.
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*/
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export function createTitle(siteData, pageData) {
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const title = pageData.title || siteData.title;
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const template = pageData.titleTemplate ?? siteData.titleTemplate;
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if (typeof template === 'string' && template.includes(':title')) {
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return template.replace(/:title/g, title);
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}
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const templateString = createTitleTemplate(siteData.title, template);
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return `${title}${templateString}`;
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}
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function createTitleTemplate(siteTitle, template) {
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if (template === false) {
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return '';
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}
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if (template === true || template === undefined) {
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return ` | ${siteTitle}`;
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}
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if (siteTitle === template) {
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return '';
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}
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return ` | ${template}`;
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}
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function hasTag(head, tag) {
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const [tagType, tagAttrs] = tag;
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if (tagType !== 'meta')
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return false;
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const keyAttr = Object.entries(tagAttrs)[0]; // First key
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if (keyAttr == null)
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return false;
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return head.some(([type, attrs]) => type === tagType && attrs[keyAttr[0]] === keyAttr[1]);
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}
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export function mergeHead(prev, curr) {
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return [...prev.filter((tagAttrs) => !hasTag(curr, tagAttrs)), ...curr];
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}
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// https://github.com/rollup/rollup/blob/fec513270c6ac350072425cc045db367656c623b/src/utils/sanitizeFileName.ts
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const INVALID_CHAR_REGEX = /[\u0000-\u001F"#$&*+,:;<=>?[\]^`{|}\u007F]/g;
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const DRIVE_LETTER_REGEX = /^[a-z]:/i;
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export function sanitizeFileName(name) {
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const match = DRIVE_LETTER_REGEX.exec(name);
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const driveLetter = match ? match[0] : '';
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return (driveLetter +
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name
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.slice(driveLetter.length)
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.replace(INVALID_CHAR_REGEX, '_')
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.replace(/(^|\/)_+(?=[^/]*$)/, '$1'));
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}
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export function slash(p) {
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return p.replace(/\\/g, '/');
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}
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