1 | 'use strict';
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2 |
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4 |
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7 |
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8 | const internals = {};
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9 |
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10 |
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11 | exports.generate = function () {
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12 |
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13 | |
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15 |
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17 |
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18 |
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19 |
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20 |
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21 | const empty = '(?:^\\/$)';
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22 |
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23 | const legalChars = '[\\w\\!\\$&\'\\(\\)\\*\\+\\,;\\=\\:@\\-\\.~]';
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24 | const encoded = '%[A-F0-9]{2}';
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25 |
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26 | const literalChar = '(?:' + legalChars + '|' + encoded + ')';
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27 | const literal = literalChar + '+';
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28 | const literalOptional = literalChar + '*';
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29 |
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30 | const midParam = '(?:\\{\\w+(?:\\*[1-9]\\d*)?\\})';
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31 | const endParam = '(?:\\/(?:\\{\\w+(?:(?:\\*(?:[1-9]\\d*)?)|(?:\\?))?\\})?)?';
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32 |
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33 | const partialParam = '(?:\\{\\w+\\??\\})';
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34 | const mixedParam = '(?:(?:' + literal + partialParam + ')+' + literalOptional + ')|(?:' + partialParam + '(?:' + literal + partialParam + ')+' + literalOptional + ')|(?:' + partialParam + literal + ')';
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35 |
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36 | const segmentContent = '(?:' + literal + '|' + midParam + '|' + mixedParam + ')';
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37 | const segment = '\\/' + segmentContent;
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38 | const segments = '(?:' + segment + ')*';
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39 |
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40 | const path = '(?:^' + segments + endParam + '$)';
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41 |
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42 |
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43 | const parseParam = '(' + literal + ')|(?:\\{(\\w+)(?:(\\*)(\\d+)?)?(\\?)?\\})';
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44 |
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45 | const expressions = {
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46 | parseParam: new RegExp(parseParam, 'g'),
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47 | validatePath: new RegExp(empty + '|' + path),
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48 | validatePathEncoded: /%(?:2[146-9A-E]|3[\dABD]|4[\dA-F]|5[\dAF]|6[1-9A-F]|7[\dAE])/g
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49 | };
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50 |
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51 | return expressions;
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52 | };
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