'use strict';
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const RFC3986 = require('./rfc3986');
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const internals = {
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Uri: {
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createUriRegex: function (optionalScheme, allowRelative, relativeOnly, allowQuerySquareBrackets) {
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let scheme = RFC3986.scheme;
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let prefix;
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if (relativeOnly) {
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prefix = '(?:' + RFC3986.relativeRef + ')';
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}
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else {
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// If we were passed a scheme, use it instead of the generic one
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if (optionalScheme) {
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// Have to put this in a non-capturing group to handle the OR statements
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scheme = '(?:' + optionalScheme + ')';
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}
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const withScheme = '(?:' + scheme + ':' + RFC3986.hierPart + ')';
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prefix = allowRelative ? '(?:' + withScheme + '|' + RFC3986.relativeRef + ')' : withScheme;
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}
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/**
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* URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ]
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*
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* OR
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*
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* relative-ref = relative-part [ "?" query ] [ "#" fragment ]
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*/
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return new RegExp('^' + prefix + '(?:\\?' + (allowQuerySquareBrackets ? RFC3986.queryWithSquareBrackets : RFC3986.query) + ')?' + '(?:#' + RFC3986.fragment + ')?$');
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}
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}
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};
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module.exports = internals.Uri;
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