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EDIT :: urlToRequest.js

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

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