1 | var path = require('path');
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2 | var find = require('find');
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3 |
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4 | require.getRootDir = function () {
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5 | var keys = Object.keys(require.cache);
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6 | var parent = keys[0];
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7 |
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8 | if(parent.indexOf('node_modules') > -1) {
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9 | var end = parent.indexOf('node_modules');
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10 | parent = parent.substring(0, end);
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11 | } else {
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12 | parent = path.resolve(path.normalize(parent +'../../..'));
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13 | }
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14 | return parent;
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15 | }
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16 |
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17 | require.find = function (moduleName) {
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18 | var parent = require.getRootDir();
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19 |
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20 | if(moduleName.indexOf('/') > -1) {
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21 |
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22 | var last = moduleName.lastIndexOf('/');
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23 |
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24 | moduleName = moduleName.substring(last, moduleName.length).replace('/', '');
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25 |
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26 |
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27 | var mod;
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28 | var ext = path.extname(moduleName);
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29 | if(ext === '') {
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30 | mod = moduleName + '\.js';
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31 | }
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32 | else {
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33 | mod = moduleName.replace(ext, '\\' + ext);
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34 | }
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35 |
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36 | var re = new RegExp(mod,"g");
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37 | var files = find.fileSync(re, parent);
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38 | var file;
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39 | var keys = Object.keys(require.cache);
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40 | for (var i = 0; i < files.length; i++) {
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41 | var f = files[i];
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42 | if(keys.indexOf(f) > -1) {
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43 | file = f;
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44 | break;
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45 | }
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46 | }
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47 | return file;
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48 | } else {
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49 | return moduleName;
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50 | }
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51 | }
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52 |
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53 |
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54 |
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55 |
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56 |
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57 | require.decache = function (moduleName) {
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58 |
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59 | moduleName = require.find(moduleName);
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60 |
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61 | if(!moduleName) {return;}
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62 |
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63 |
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64 |
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65 | require.searchCache(moduleName, function (mod) {
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66 | delete require.cache[mod.id];
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67 | });
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68 |
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69 |
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70 |
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71 | Object.keys(module.constructor._pathCache).forEach(function(cacheKey) {
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72 | if (cacheKey.indexOf(moduleName)>0) {
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73 | delete module.constructor._pathCache[cacheKey];
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74 | }
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75 | });
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76 | };
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77 |
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78 |
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79 |
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80 |
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81 |
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82 | require.searchCache = function (moduleName, callback) {
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83 |
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84 | var mod = require.resolve(moduleName);
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85 |
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86 |
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87 |
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88 |
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89 | if (mod && ((mod = require.cache[mod]) !== undefined)) {
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90 |
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91 | (function run(mod) {
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92 |
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93 |
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94 | mod.children.forEach(function (child) {
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95 | run(child);
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96 | });
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97 |
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98 |
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99 |
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100 | callback(mod);
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101 | })(mod);
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102 | }
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103 | };
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104 |
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105 | module.exports = require.decache;
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