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21 |
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22 | 'use strict';
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23 |
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24 |
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25 | var isWindows = process.platform === 'win32';
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26 | var util = require('util');
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27 |
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28 |
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29 |
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30 |
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31 |
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32 |
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33 | function normalizeArray(parts, allowAboveRoot) {
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34 | var res = [];
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35 | for (var i = 0; i < parts.length; i++) {
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36 | var p = parts[i];
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37 |
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38 |
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39 | if (!p || p === '.')
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40 | continue;
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41 |
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42 | if (p === '..') {
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43 | if (res.length && res[res.length - 1] !== '..') {
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44 | res.pop();
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45 | } else if (allowAboveRoot) {
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46 | res.push('..');
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47 | }
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48 | } else {
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49 | res.push(p);
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50 | }
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51 | }
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52 |
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53 | return res;
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54 | }
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55 |
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56 |
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57 |
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58 | function trimArray(arr) {
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59 | var lastIndex = arr.length - 1;
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60 | var start = 0;
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61 | for (; start <= lastIndex; start++) {
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62 | if (arr[start])
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63 | break;
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64 | }
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65 |
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66 | var end = lastIndex;
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67 | for (; end >= 0; end--) {
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68 | if (arr[end])
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69 | break;
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70 | }
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71 |
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72 | if (start === 0 && end === lastIndex)
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73 | return arr;
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74 | if (start > end)
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75 | return [];
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76 | return arr.slice(start, end + 1);
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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 | var splitDeviceRe =
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82 | /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
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83 |
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84 |
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85 | var splitTailRe =
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86 | /^([\s\S]*?)((?:\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))(?:[\\\/]*)$/;
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87 |
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88 | var win32 = {};
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89 |
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90 |
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91 | function win32SplitPath(filename) {
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92 |
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93 | var result = splitDeviceRe.exec(filename),
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94 | device = (result[1] || '') + (result[2] || ''),
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95 | tail = result[3] || '';
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96 |
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97 | var result2 = splitTailRe.exec(tail),
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98 | dir = result2[1],
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99 | basename = result2[2],
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100 | ext = result2[3];
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101 | return [device, dir, basename, ext];
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102 | }
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103 |
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104 | function win32StatPath(path) {
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105 | var result = splitDeviceRe.exec(path),
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106 | device = result[1] || '',
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107 | isUnc = !!device && device[1] !== ':';
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108 | return {
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109 | device: device,
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110 | isUnc: isUnc,
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111 | isAbsolute: isUnc || !!result[2],
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112 | tail: result[3]
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113 | };
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114 | }
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115 |
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116 | function normalizeUNCRoot(device) {
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117 | return '\\\\' + device.replace(/^[\\\/]+/, '').replace(/[\\\/]+/g, '\\');
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118 | }
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119 |
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120 |
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121 | win32.resolve = function() {
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122 | var resolvedDevice = '',
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123 | resolvedTail = '',
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124 | resolvedAbsolute = false;
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125 |
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126 | for (var i = arguments.length - 1; i >= -1; i--) {
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127 | var path;
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128 | if (i >= 0) {
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129 | path = arguments[i];
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130 | } else if (!resolvedDevice) {
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131 | path = process.cwd();
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132 | } else {
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133 |
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134 |
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135 |
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136 |
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137 | path = process.env['=' + resolvedDevice];
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138 |
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139 |
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140 | if (!path || path.substr(0, 3).toLowerCase() !==
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141 | resolvedDevice.toLowerCase() + '\\') {
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142 | path = resolvedDevice + '\\';
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143 | }
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144 | }
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145 |
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146 |
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147 | if (!util.isString(path)) {
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148 | throw new TypeError('Arguments to path.resolve must be strings');
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149 | } else if (!path) {
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150 | continue;
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151 | }
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152 |
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153 | var result = win32StatPath(path),
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154 | device = result.device,
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155 | isUnc = result.isUnc,
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156 | isAbsolute = result.isAbsolute,
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157 | tail = result.tail;
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158 |
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159 | if (device &&
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160 | resolvedDevice &&
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161 | device.toLowerCase() !== resolvedDevice.toLowerCase()) {
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162 |
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163 | continue;
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164 | }
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165 |
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166 | if (!resolvedDevice) {
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167 | resolvedDevice = device;
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168 | }
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169 | if (!resolvedAbsolute) {
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170 | resolvedTail = tail + '\\' + resolvedTail;
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171 | resolvedAbsolute = isAbsolute;
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172 | }
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173 |
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174 | if (resolvedDevice && resolvedAbsolute) {
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175 | break;
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176 | }
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177 | }
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178 |
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179 |
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180 |
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181 | if (isUnc) {
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182 | resolvedDevice = normalizeUNCRoot(resolvedDevice);
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183 | }
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184 |
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185 |
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186 |
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187 |
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188 |
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189 |
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190 | resolvedTail = normalizeArray(resolvedTail.split(/[\\\/]+/),
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191 | !resolvedAbsolute).join('\\');
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192 |
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193 | return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) ||
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194 | '.';
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195 | };
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196 |
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197 |
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198 | win32.normalize = function(path) {
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199 | var result = win32StatPath(path),
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200 | device = result.device,
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201 | isUnc = result.isUnc,
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202 | isAbsolute = result.isAbsolute,
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203 | tail = result.tail,
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204 | trailingSlash = /[\\\/]$/.test(tail);
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205 |
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206 |
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207 | tail = normalizeArray(tail.split(/[\\\/]+/), !isAbsolute).join('\\');
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208 |
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209 | if (!tail && !isAbsolute) {
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210 | tail = '.';
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211 | }
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212 | if (tail && trailingSlash) {
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213 | tail += '\\';
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214 | }
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215 |
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216 |
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217 |
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218 | if (isUnc) {
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219 | device = normalizeUNCRoot(device);
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220 | }
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221 |
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222 | return device + (isAbsolute ? '\\' : '') + tail;
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223 | };
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224 |
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225 |
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226 | win32.isAbsolute = function(path) {
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227 | return win32StatPath(path).isAbsolute;
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228 | };
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229 |
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230 | win32.join = function() {
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231 | var paths = [];
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232 | for (var i = 0; i < arguments.length; i++) {
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233 | var arg = arguments[i];
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234 | if (!util.isString(arg)) {
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235 | throw new TypeError('Arguments to path.join must be strings');
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236 | }
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237 | if (arg) {
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238 | paths.push(arg);
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239 | }
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240 | }
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241 |
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242 | var joined = paths.join('\\');
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243 |
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244 |
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245 |
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246 |
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247 |
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248 |
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249 |
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250 |
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251 |
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252 |
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253 |
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254 |
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255 |
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256 |
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257 | if (!/^[\\\/]{2}[^\\\/]/.test(paths[0])) {
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258 | joined = joined.replace(/^[\\\/]{2,}/, '\\');
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259 | }
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260 |
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261 | return win32.normalize(joined);
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262 | };
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263 |
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264 |
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265 |
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266 |
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267 |
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268 |
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269 |
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270 | win32.relative = function(from, to) {
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271 | from = win32.resolve(from);
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272 | to = win32.resolve(to);
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273 |
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274 |
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275 | var lowerFrom = from.toLowerCase();
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276 | var lowerTo = to.toLowerCase();
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277 |
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278 | var toParts = trimArray(to.split('\\'));
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279 |
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280 | var lowerFromParts = trimArray(lowerFrom.split('\\'));
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281 | var lowerToParts = trimArray(lowerTo.split('\\'));
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282 |
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283 | var length = Math.min(lowerFromParts.length, lowerToParts.length);
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284 | var samePartsLength = length;
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285 | for (var i = 0; i < length; i++) {
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286 | if (lowerFromParts[i] !== lowerToParts[i]) {
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287 | samePartsLength = i;
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288 | break;
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289 | }
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290 | }
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291 |
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292 | if (samePartsLength == 0) {
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293 | return to;
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294 | }
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295 |
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296 | var outputParts = [];
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297 | for (var i = samePartsLength; i < lowerFromParts.length; i++) {
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298 | outputParts.push('..');
|
299 | }
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300 |
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301 | outputParts = outputParts.concat(toParts.slice(samePartsLength));
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302 |
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303 | return outputParts.join('\\');
|
304 | };
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305 |
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306 |
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307 | win32._makeLong = function(path) {
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308 |
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309 | if (!util.isString(path))
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310 | return path;
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311 |
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312 | if (!path) {
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313 | return '';
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314 | }
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315 |
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316 | var resolvedPath = win32.resolve(path);
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317 |
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318 | if (/^[a-zA-Z]\:\\/.test(resolvedPath)) {
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319 |
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320 |
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321 | return '\\\\?\\' + resolvedPath;
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322 | } else if (/^\\\\[^?.]/.test(resolvedPath)) {
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323 |
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324 |
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325 | return '\\\\?\\UNC\\' + resolvedPath.substring(2);
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326 | }
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327 |
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328 | return path;
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329 | };
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330 |
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331 |
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332 | win32.dirname = function(path) {
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333 | var result = win32SplitPath(path),
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334 | root = result[0],
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335 | dir = result[1];
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336 |
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337 | if (!root && !dir) {
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338 |
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339 | return '.';
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340 | }
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341 |
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342 | if (dir) {
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343 |
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344 | dir = dir.substr(0, dir.length - 1);
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345 | }
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346 |
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347 | return root + dir;
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348 | };
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349 |
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350 |
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351 | win32.basename = function(path, ext) {
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352 | var f = win32SplitPath(path)[2];
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353 |
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354 | if (ext && f.substr(-1 * ext.length) === ext) {
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355 | f = f.substr(0, f.length - ext.length);
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356 | }
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357 | return f;
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358 | };
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359 |
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360 |
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361 | win32.extname = function(path) {
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362 | return win32SplitPath(path)[3];
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363 | };
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364 |
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365 |
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366 | win32.format = function(pathObject) {
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367 | if (!util.isObject(pathObject)) {
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368 | throw new TypeError(
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369 | "Parameter 'pathObject' must be an object, not " + typeof pathObject
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370 | );
|
371 | }
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372 |
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373 | var root = pathObject.root || '';
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374 |
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375 | if (!util.isString(root)) {
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376 | throw new TypeError(
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377 | "'pathObject.root' must be a string or undefined, not " +
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378 | typeof pathObject.root
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379 | );
|
380 | }
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381 |
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382 | var dir = pathObject.dir;
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383 | var base = pathObject.base || '';
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384 | if (!dir) {
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385 | return base;
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386 | }
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387 | if (dir[dir.length - 1] === win32.sep) {
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388 | return dir + base;
|
389 | }
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390 | return dir + win32.sep + base;
|
391 | };
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392 |
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393 |
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394 | win32.parse = function(pathString) {
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395 | if (!util.isString(pathString)) {
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396 | throw new TypeError(
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397 | "Parameter 'pathString' must be a string, not " + typeof pathString
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398 | );
|
399 | }
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400 | var allParts = win32SplitPath(pathString);
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401 | if (!allParts || allParts.length !== 4) {
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402 | throw new TypeError("Invalid path '" + pathString + "'");
|
403 | }
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404 | return {
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405 | root: allParts[0],
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406 | dir: allParts[0] + allParts[1].slice(0, -1),
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407 | base: allParts[2],
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408 | ext: allParts[3],
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409 | name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
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410 | };
|
411 | };
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412 |
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413 |
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414 | win32.sep = '\\';
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415 | win32.delimiter = ';';
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416 |
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417 |
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418 |
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419 |
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420 | var splitPathRe =
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421 | /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
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422 | var posix = {};
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423 |
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424 |
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425 | function posixSplitPath(filename) {
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426 | return splitPathRe.exec(filename).slice(1);
|
427 | }
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428 |
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429 |
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430 |
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431 |
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432 | posix.resolve = function() {
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433 | var resolvedPath = '',
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434 | resolvedAbsolute = false;
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435 |
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436 | for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
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437 | var path = (i >= 0) ? arguments[i] : process.cwd();
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438 |
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439 |
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440 | if (!util.isString(path)) {
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441 | throw new TypeError('Arguments to path.resolve must be strings');
|
442 | } else if (!path) {
|
443 | continue;
|
444 | }
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445 |
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446 | resolvedPath = path + '/' + resolvedPath;
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447 | resolvedAbsolute = path[0] === '/';
|
448 | }
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449 |
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450 |
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451 |
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452 |
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453 |
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454 | resolvedPath = normalizeArray(resolvedPath.split('/'),
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455 | !resolvedAbsolute).join('/');
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456 |
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457 | return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
|
458 | };
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459 |
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460 |
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461 |
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462 | posix.normalize = function(path) {
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463 | var isAbsolute = posix.isAbsolute(path),
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464 | trailingSlash = path && path[path.length - 1] === '/';
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465 |
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466 |
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467 | path = normalizeArray(path.split('/'), !isAbsolute).join('/');
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468 |
|
469 | if (!path && !isAbsolute) {
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470 | path = '.';
|
471 | }
|
472 | if (path && trailingSlash) {
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473 | path += '/';
|
474 | }
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475 |
|
476 | return (isAbsolute ? '/' : '') + path;
|
477 | };
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478 |
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479 |
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480 | posix.isAbsolute = function(path) {
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481 | return path.charAt(0) === '/';
|
482 | };
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483 |
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484 |
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485 | posix.join = function() {
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486 | var path = '';
|
487 | for (var i = 0; i < arguments.length; i++) {
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488 | var segment = arguments[i];
|
489 | if (!util.isString(segment)) {
|
490 | throw new TypeError('Arguments to path.join must be strings');
|
491 | }
|
492 | if (segment) {
|
493 | if (!path) {
|
494 | path += segment;
|
495 | } else {
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496 | path += '/' + segment;
|
497 | }
|
498 | }
|
499 | }
|
500 | return posix.normalize(path);
|
501 | };
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502 |
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503 |
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504 |
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505 |
|
506 | posix.relative = function(from, to) {
|
507 | from = posix.resolve(from).substr(1);
|
508 | to = posix.resolve(to).substr(1);
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509 |
|
510 | var fromParts = trimArray(from.split('/'));
|
511 | var toParts = trimArray(to.split('/'));
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512 |
|
513 | var length = Math.min(fromParts.length, toParts.length);
|
514 | var samePartsLength = length;
|
515 | for (var i = 0; i < length; i++) {
|
516 | if (fromParts[i] !== toParts[i]) {
|
517 | samePartsLength = i;
|
518 | break;
|
519 | }
|
520 | }
|
521 |
|
522 | var outputParts = [];
|
523 | for (var i = samePartsLength; i < fromParts.length; i++) {
|
524 | outputParts.push('..');
|
525 | }
|
526 |
|
527 | outputParts = outputParts.concat(toParts.slice(samePartsLength));
|
528 |
|
529 | return outputParts.join('/');
|
530 | };
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531 |
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532 |
|
533 | posix._makeLong = function(path) {
|
534 | return path;
|
535 | };
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536 |
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537 |
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538 | posix.dirname = function(path) {
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539 | var result = posixSplitPath(path),
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540 | root = result[0],
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541 | dir = result[1];
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542 |
|
543 | if (!root && !dir) {
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544 |
|
545 | return '.';
|
546 | }
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547 |
|
548 | if (dir) {
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549 |
|
550 | dir = dir.substr(0, dir.length - 1);
|
551 | }
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552 |
|
553 | return root + dir;
|
554 | };
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555 |
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556 |
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557 | posix.basename = function(path, ext) {
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558 | var f = posixSplitPath(path)[2];
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559 |
|
560 | if (ext && f.substr(-1 * ext.length) === ext) {
|
561 | f = f.substr(0, f.length - ext.length);
|
562 | }
|
563 | return f;
|
564 | };
|
565 |
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566 |
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567 | posix.extname = function(path) {
|
568 | return posixSplitPath(path)[3];
|
569 | };
|
570 |
|
571 |
|
572 | posix.format = function(pathObject) {
|
573 | if (!util.isObject(pathObject)) {
|
574 | throw new TypeError(
|
575 | "Parameter 'pathObject' must be an object, not " + typeof pathObject
|
576 | );
|
577 | }
|
578 |
|
579 | var root = pathObject.root || '';
|
580 |
|
581 | if (!util.isString(root)) {
|
582 | throw new TypeError(
|
583 | "'pathObject.root' must be a string or undefined, not " +
|
584 | typeof pathObject.root
|
585 | );
|
586 | }
|
587 |
|
588 | var dir = pathObject.dir ? pathObject.dir + posix.sep : '';
|
589 | var base = pathObject.base || '';
|
590 | return dir + base;
|
591 | };
|
592 |
|
593 |
|
594 | posix.parse = function(pathString) {
|
595 | if (!util.isString(pathString)) {
|
596 | throw new TypeError(
|
597 | "Parameter 'pathString' must be a string, not " + typeof pathString
|
598 | );
|
599 | }
|
600 | var allParts = posixSplitPath(pathString);
|
601 | if (!allParts || allParts.length !== 4) {
|
602 | throw new TypeError("Invalid path '" + pathString + "'");
|
603 | }
|
604 | allParts[1] = allParts[1] || '';
|
605 | allParts[2] = allParts[2] || '';
|
606 | allParts[3] = allParts[3] || '';
|
607 |
|
608 | return {
|
609 | root: allParts[0],
|
610 | dir: allParts[0] + allParts[1].slice(0, -1),
|
611 | base: allParts[2],
|
612 | ext: allParts[3],
|
613 | name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
|
614 | };
|
615 | };
|
616 |
|
617 |
|
618 | posix.sep = '/';
|
619 | posix.delimiter = ':';
|
620 |
|
621 |
|
622 | if (isWindows)
|
623 | module.exports = win32;
|
624 | else
|
625 | module.exports = posix;
|
626 |
|
627 | module.exports.posix = posix;
|
628 | module.exports.win32 = win32;
|