1 | 'use strict';
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2 |
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3 | var isGlob = require('is-glob');
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4 | var pathPosixDirname = require('path').posix.dirname;
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5 | var isWin32 = require('os').platform() === 'win32';
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6 |
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7 | var slash = '/';
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8 | var backslash = /\\/g;
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9 | var escaped = /\\([!*?|[\](){}])/g;
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10 |
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11 |
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12 |
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13 |
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14 |
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15 |
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16 | module.exports = function globParent(str, opts) {
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17 | var options = Object.assign({ flipBackslashes: true }, opts);
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18 |
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19 |
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20 | if (options.flipBackslashes && isWin32 && str.indexOf(slash) < 0) {
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21 | str = str.replace(backslash, slash);
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22 | }
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23 |
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24 |
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25 | if (isEnclosure(str)) {
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26 | str += slash;
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27 | }
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28 |
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29 |
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30 | str += 'a';
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31 |
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32 |
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33 | do {
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34 | str = pathPosixDirname(str);
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35 | } while (isGlobby(str));
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36 |
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37 |
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38 | return str.replace(escaped, '$1');
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39 | };
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40 |
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41 | function isEnclosure(str) {
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42 | var lastChar = str.slice(-1);
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43 |
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44 | var enclosureStart;
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45 | switch (lastChar) {
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46 | case '}':
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47 | enclosureStart = '{';
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48 | break;
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49 | case ']':
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50 | enclosureStart = '[';
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51 | break;
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52 | default:
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53 | return false;
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54 | }
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55 |
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56 | var foundIndex = str.indexOf(enclosureStart);
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57 | if (foundIndex < 0) {
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58 | return false;
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59 | }
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60 |
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61 | return str.slice(foundIndex + 1, -1).includes(slash);
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62 | }
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63 |
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64 | function isGlobby(str) {
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65 | if (/\([^()]+$/.test(str)) {
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66 | return true;
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67 | }
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68 | if (str[0] === '{' || str[0] === '[') {
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69 | return true;
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70 | }
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71 | if (/[^\\][{[]/.test(str)) {
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72 | return true;
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73 | }
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74 | return isGlob(str);
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75 | }
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