51 lines
1.8 KiB
JavaScript
51 lines
1.8 KiB
JavaScript
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const EXTERNAL_URL_RE = /^(?:[a-z]+:|\/\/)/i;
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const KNOWN_EXTENSIONS = new Set();
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const isExternal = path => EXTERNAL_URL_RE.test(path);
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const joinPath = (base, path) => `${base}${path}`.replace(/\/+/g, '/');
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const treatAsHtml = filename => {
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if (KNOWN_EXTENSIONS.size === 0) {
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const extraExts =
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(typeof process === 'object' && process.env?.VITE_EXTRA_EXTENSIONS) ||
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(import.meta).env?.VITE_EXTRA_EXTENSIONS ||
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'';
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// md, html? are intentionally omitted
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;(
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'3g2,3gp,aac,ai,apng,au,avif,bin,bmp,cer,class,conf,crl,css,csv,dll,' +
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'doc,eps,epub,exe,gif,gz,ics,ief,jar,jpe,jpeg,jpg,js,json,jsonld,m4a,' +
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'man,mid,midi,mjs,mov,mp2,mp3,mp4,mpe,mpeg,mpg,mpp,oga,ogg,ogv,ogx,' +
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'opus,otf,p10,p7c,p7m,p7s,pdf,png,ps,qt,roff,rtf,rtx,ser,svg,t,tif,' +
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'tiff,tr,ts,tsv,ttf,txt,vtt,wav,weba,webm,webp,woff,woff2,xhtml,xml,' +
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'yaml,yml,zip' +
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(extraExts && typeof extraExts === 'string' ? ',' + extraExts : '')
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).split(',').forEach(ext => KNOWN_EXTENSIONS.add(ext));
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}
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const ext = filename.split('.').pop();
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return ext == null || !KNOWN_EXTENSIONS.has(ext.toLowerCase());
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};
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export default function normalize2Base(url, base = '/', site) {
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const {pathname, search, hash, protocol} = new URL(url, 'http://lando.dev');
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// return external urls
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if (isExternal(url) || url.startsWith('#') || !protocol.startsWith('http') || !treatAsHtml(pathname)) return url;
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// otherwise do the usual normalization
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const path =
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pathname.endsWith('/') || pathname.endsWith('.html')
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? url
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: url.replace(
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/(?:(^\.+)\/)?.*$/,
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`$1${pathname.replace(
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/(\.md)?$/,
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site.cleanUrls ? '' : '.html',
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)}${search}${hash}`,
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);
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return EXTERNAL_URL_RE.test(path) || !path.startsWith('/') ? path : joinPath(base, path);
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};
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