mirror of
https://github.com/idanoo/GoScrobble.git
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61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
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'use strict';
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// we can't use path.win32.isAbsolute because it also matches paths starting with a forward slash
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const matchNativeWin32Path = /^[A-Z]:[/\\]|^\\\\/i;
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function urlToRequest(url, root) {
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// Do not rewrite an empty url
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if (url === '') {
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return '';
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}
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const moduleRequestRegex = /^[^?]*~/;
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let request;
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if (matchNativeWin32Path.test(url)) {
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// absolute windows path, keep it
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request = url;
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} else if (root !== undefined && root !== false && /^\//.test(url)) {
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// if root is set and the url is root-relative
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switch (typeof root) {
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// 1. root is a string: root is prefixed to the url
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case 'string':
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// special case: `~` roots convert to module request
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if (moduleRequestRegex.test(root)) {
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request = root.replace(/([^~/])$/, '$1/') + url.slice(1);
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} else {
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request = root + url;
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}
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break;
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// 2. root is `true`: absolute paths are allowed
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// *nix only, windows-style absolute paths are always allowed as they doesn't start with a `/`
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case 'boolean':
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request = url;
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break;
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default:
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throw new Error(
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"Unexpected parameters to loader-utils 'urlToRequest': url = " +
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url +
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', root = ' +
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root +
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'.'
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);
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}
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} else if (/^\.\.?\//.test(url)) {
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// A relative url stays
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request = url;
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} else {
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// every other url is threaded like a relative url
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request = './' + url;
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}
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// A `~` makes the url an module
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if (moduleRequestRegex.test(request)) {
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request = request.replace(moduleRequestRegex, '');
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}
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return request;
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}
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module.exports = urlToRequest;
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