1 | ;
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2 | /**
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3 | * @license
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4 | * Copyright Google LLC All Rights Reserved.
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5 | *
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6 | * Use of this source code is governed by an MIT-style license that can be
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7 | * found in the LICENSE file at https://angular.io/license
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8 | */
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9 | Object.defineProperty(exports, "__esModule", { value: true });
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10 | exports.SimpleMemoryHost = void 0;
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11 | const rxjs_1 = require("rxjs");
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12 | const exception_1 = require("../../exception");
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13 | const path_1 = require("../path");
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14 | class SimpleMemoryHost {
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15 | _newDirStats() {
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16 | return {
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17 | inspect() {
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18 | return '<Directory>';
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19 | },
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20 | isFile() {
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21 | return false;
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22 | },
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23 | isDirectory() {
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24 | return true;
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25 | },
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26 | size: 0,
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27 | atime: new Date(),
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28 | ctime: new Date(),
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29 | mtime: new Date(),
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30 | birthtime: new Date(),
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31 | content: null,
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32 | };
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33 | }
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34 | _newFileStats(content, oldStats) {
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35 | return {
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36 | inspect() {
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37 | return `<File size(${content.byteLength})>`;
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38 | },
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39 | isFile() {
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40 | return true;
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41 | },
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42 | isDirectory() {
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43 | return false;
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44 | },
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45 | size: content.byteLength,
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46 | atime: oldStats ? oldStats.atime : new Date(),
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47 | ctime: new Date(),
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48 | mtime: new Date(),
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49 | birthtime: oldStats ? oldStats.birthtime : new Date(),
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50 | content,
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51 | };
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52 | }
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53 | constructor() {
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54 | this._cache = new Map();
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55 | this._watchers = new Map();
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56 | this._cache.set((0, path_1.normalize)('/'), this._newDirStats());
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57 | }
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58 | _toAbsolute(path) {
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59 | return (0, path_1.isAbsolute)(path) ? path : (0, path_1.normalize)('/' + path);
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60 | }
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61 | _updateWatchers(path, type) {
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62 | const time = new Date();
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63 | let currentPath = path;
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64 | let parent = null;
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65 | if (this._watchers.size == 0) {
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66 | // Nothing to do if there's no watchers.
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67 | return;
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68 | }
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69 | const maybeWatcher = this._watchers.get(currentPath);
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70 | if (maybeWatcher) {
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71 | maybeWatcher.forEach((watcher) => {
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72 | const [options, subject] = watcher;
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73 | subject.next({ path, time, type });
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74 | if (!options.persistent && type == 2 /* HostWatchEventType.Deleted */) {
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75 | subject.complete();
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76 | this._watchers.delete(currentPath);
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77 | }
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78 | });
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79 | }
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80 | do {
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81 | currentPath = parent !== null ? parent : currentPath;
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82 | parent = (0, path_1.dirname)(currentPath);
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83 | const maybeWatcher = this._watchers.get(currentPath);
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84 | if (maybeWatcher) {
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85 | maybeWatcher.forEach((watcher) => {
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86 | const [options, subject] = watcher;
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87 | if (!options.recursive) {
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88 | return;
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89 | }
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90 | subject.next({ path, time, type });
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91 | if (!options.persistent && type == 2 /* HostWatchEventType.Deleted */) {
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92 | subject.complete();
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93 | this._watchers.delete(currentPath);
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94 | }
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95 | });
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96 | }
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97 | } while (parent != currentPath);
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98 | }
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99 | get capabilities() {
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100 | return { synchronous: true };
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101 | }
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102 | /**
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103 | * List of protected methods that give direct access outside the observables to the cache
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104 | * and internal states.
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105 | */
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106 | _write(path, content) {
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107 | path = this._toAbsolute(path);
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108 | const old = this._cache.get(path);
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109 | if (old && old.isDirectory()) {
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110 | throw new exception_1.PathIsDirectoryException(path);
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111 | }
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112 | // Update all directories. If we find a file we know it's an invalid write.
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113 | const fragments = (0, path_1.split)(path);
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114 | let curr = (0, path_1.normalize)('/');
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115 | for (const fr of fragments) {
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116 | curr = (0, path_1.join)(curr, fr);
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117 | const maybeStats = this._cache.get(fr);
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118 | if (maybeStats) {
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119 | if (maybeStats.isFile()) {
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120 | throw new exception_1.PathIsFileException(curr);
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121 | }
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122 | }
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123 | else {
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124 | this._cache.set(curr, this._newDirStats());
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125 | }
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126 | }
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127 | // Create the stats.
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128 | const stats = this._newFileStats(content, old);
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129 | this._cache.set(path, stats);
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130 | this._updateWatchers(path, old ? 0 /* HostWatchEventType.Changed */ : 1 /* HostWatchEventType.Created */);
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131 | }
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132 | _read(path) {
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133 | path = this._toAbsolute(path);
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134 | const maybeStats = this._cache.get(path);
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135 | if (!maybeStats) {
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136 | throw new exception_1.FileDoesNotExistException(path);
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137 | }
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138 | else if (maybeStats.isDirectory()) {
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139 | throw new exception_1.PathIsDirectoryException(path);
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140 | }
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141 | else if (!maybeStats.content) {
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142 | throw new exception_1.PathIsDirectoryException(path);
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143 | }
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144 | else {
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145 | return maybeStats.content;
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146 | }
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147 | }
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148 | _delete(path) {
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149 | path = this._toAbsolute(path);
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150 | if (this._isDirectory(path)) {
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151 | for (const [cachePath] of this._cache.entries()) {
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152 | if (cachePath.startsWith(path + path_1.NormalizedSep) || cachePath === path) {
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153 | this._cache.delete(cachePath);
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154 | }
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155 | }
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156 | }
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157 | else {
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158 | this._cache.delete(path);
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159 | }
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160 | this._updateWatchers(path, 2 /* HostWatchEventType.Deleted */);
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161 | }
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162 | _rename(from, to) {
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163 | from = this._toAbsolute(from);
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164 | to = this._toAbsolute(to);
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165 | if (!this._cache.has(from)) {
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166 | throw new exception_1.FileDoesNotExistException(from);
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167 | }
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168 | else if (this._cache.has(to)) {
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169 | throw new exception_1.FileAlreadyExistException(to);
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170 | }
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171 | if (this._isDirectory(from)) {
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172 | for (const path of this._cache.keys()) {
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173 | if (path.startsWith(from + path_1.NormalizedSep)) {
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174 | const content = this._cache.get(path);
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175 | if (content) {
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176 | // We don't need to clone or extract the content, since we're moving files.
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177 | this._cache.set((0, path_1.join)(to, path_1.NormalizedSep, path.slice(from.length)), content);
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178 | }
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179 | }
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180 | }
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181 | }
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182 | else {
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183 | const content = this._cache.get(from);
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184 | if (content) {
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185 | const fragments = (0, path_1.split)(to);
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186 | const newDirectories = [];
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187 | let curr = (0, path_1.normalize)('/');
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188 | for (const fr of fragments) {
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189 | curr = (0, path_1.join)(curr, fr);
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190 | const maybeStats = this._cache.get(fr);
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191 | if (maybeStats) {
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192 | if (maybeStats.isFile()) {
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193 | throw new exception_1.PathIsFileException(curr);
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194 | }
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195 | }
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196 | else {
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197 | newDirectories.push(curr);
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198 | }
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199 | }
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200 | for (const newDirectory of newDirectories) {
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201 | this._cache.set(newDirectory, this._newDirStats());
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202 | }
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203 | this._cache.delete(from);
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204 | this._cache.set(to, content);
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205 | }
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206 | }
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207 | this._updateWatchers(from, 3 /* HostWatchEventType.Renamed */);
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208 | }
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209 | _list(path) {
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210 | path = this._toAbsolute(path);
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211 | if (this._isFile(path)) {
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212 | throw new exception_1.PathIsFileException(path);
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213 | }
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214 | const fragments = (0, path_1.split)(path);
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215 | const result = new Set();
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216 | if (path !== path_1.NormalizedRoot) {
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217 | for (const p of this._cache.keys()) {
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218 | if (p.startsWith(path + path_1.NormalizedSep)) {
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219 | result.add((0, path_1.split)(p)[fragments.length]);
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220 | }
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221 | }
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222 | }
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223 | else {
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224 | for (const p of this._cache.keys()) {
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225 | if (p.startsWith(path_1.NormalizedSep) && p !== path_1.NormalizedRoot) {
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226 | result.add((0, path_1.split)(p)[1]);
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227 | }
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228 | }
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229 | }
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230 | return [...result];
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231 | }
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232 | _exists(path) {
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233 | return !!this._cache.get(this._toAbsolute(path));
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234 | }
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235 | _isDirectory(path) {
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236 | const maybeStats = this._cache.get(this._toAbsolute(path));
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237 | return maybeStats ? maybeStats.isDirectory() : false;
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238 | }
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239 | _isFile(path) {
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240 | const maybeStats = this._cache.get(this._toAbsolute(path));
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241 | return maybeStats ? maybeStats.isFile() : false;
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242 | }
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243 | _stat(path) {
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244 | const maybeStats = this._cache.get(this._toAbsolute(path));
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245 | if (!maybeStats) {
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246 | return null;
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247 | }
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248 | else {
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249 | return maybeStats;
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250 | }
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251 | }
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252 | _watch(path, options) {
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253 | path = this._toAbsolute(path);
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254 | const subject = new rxjs_1.Subject();
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255 | let maybeWatcherArray = this._watchers.get(path);
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256 | if (!maybeWatcherArray) {
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257 | maybeWatcherArray = [];
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258 | this._watchers.set(path, maybeWatcherArray);
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259 | }
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260 | maybeWatcherArray.push([options || {}, subject]);
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261 | return subject.asObservable();
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262 | }
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263 | write(path, content) {
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264 | return new rxjs_1.Observable((obs) => {
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265 | this._write(path, content);
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266 | obs.next();
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267 | obs.complete();
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268 | });
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269 | }
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270 | read(path) {
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271 | return new rxjs_1.Observable((obs) => {
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272 | const content = this._read(path);
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273 | obs.next(content);
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274 | obs.complete();
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275 | });
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276 | }
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277 | delete(path) {
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278 | return new rxjs_1.Observable((obs) => {
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279 | this._delete(path);
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280 | obs.next();
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281 | obs.complete();
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282 | });
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283 | }
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284 | rename(from, to) {
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285 | return new rxjs_1.Observable((obs) => {
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286 | this._rename(from, to);
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287 | obs.next();
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288 | obs.complete();
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289 | });
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290 | }
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291 | list(path) {
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292 | return new rxjs_1.Observable((obs) => {
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293 | obs.next(this._list(path));
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294 | obs.complete();
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295 | });
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296 | }
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297 | exists(path) {
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298 | return new rxjs_1.Observable((obs) => {
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299 | obs.next(this._exists(path));
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300 | obs.complete();
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301 | });
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302 | }
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303 | isDirectory(path) {
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304 | return new rxjs_1.Observable((obs) => {
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305 | obs.next(this._isDirectory(path));
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306 | obs.complete();
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307 | });
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308 | }
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309 | isFile(path) {
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310 | return new rxjs_1.Observable((obs) => {
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311 | obs.next(this._isFile(path));
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312 | obs.complete();
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313 | });
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314 | }
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315 | // Some hosts may not support stat.
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316 | stat(path) {
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317 | return new rxjs_1.Observable((obs) => {
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318 | obs.next(this._stat(path));
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319 | obs.complete();
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320 | });
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321 | }
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322 | watch(path, options) {
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323 | return this._watch(path, options);
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324 | }
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325 | reset() {
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326 | this._cache.clear();
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327 | this._watchers.clear();
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328 | }
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329 | }
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330 | exports.SimpleMemoryHost = SimpleMemoryHost;
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331 | //# 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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport { Observable, Subject } from 'rxjs';\nimport {\n  FileAlreadyExistException,\n  FileDoesNotExistException,\n  PathIsDirectoryException,\n  PathIsFileException,\n} from '../../exception';\nimport {\n  NormalizedRoot,\n  NormalizedSep,\n  Path,\n  PathFragment,\n  dirname,\n  isAbsolute,\n  join,\n  normalize,\n  split,\n} from '../path';\nimport {\n  FileBuffer,\n  Host,\n  HostCapabilities,\n  HostWatchEvent,\n  HostWatchEventType,\n  HostWatchOptions,\n  Stats,\n} from './interface';\n\nexport interface SimpleMemoryHostStats {\n  readonly content: FileBuffer | null;\n}\n\nexport class SimpleMemoryHost implements Host<{}> {\n  protected _cache = new Map<Path, Stats<SimpleMemoryHostStats>>();\n  private _watchers = new Map<Path, [HostWatchOptions, Subject<HostWatchEvent>][]>();\n\n  protected _newDirStats() {\n    return {\n      inspect() {\n        return '<Directory>';\n      },\n\n      isFile() {\n        return false;\n      },\n      isDirectory() {\n        return true;\n      },\n      size: 0,\n\n      atime: new Date(),\n      ctime: new Date(),\n      mtime: new Date(),\n      birthtime: new Date(),\n\n      content: null,\n    };\n  }\n  protected _newFileStats(content: FileBuffer, oldStats?: Stats<SimpleMemoryHostStats>) {\n    return {\n      inspect() {\n        return `<File size(${content.byteLength})>`;\n      },\n\n      isFile() {\n        return true;\n      },\n      isDirectory() {\n        return false;\n      },\n      size: content.byteLength,\n\n      atime: oldStats ? oldStats.atime : new Date(),\n      ctime: new Date(),\n      mtime: new Date(),\n      birthtime: oldStats ? oldStats.birthtime : new Date(),\n\n      content,\n    };\n  }\n\n  constructor() {\n    this._cache.set(normalize('/'), this._newDirStats());\n  }\n\n  protected _toAbsolute(path: Path) {\n    return isAbsolute(path) ? path : normalize('/' + path);\n  }\n\n  protected _updateWatchers(path: Path, type: HostWatchEventType) {\n    const time = new Date();\n    let currentPath = path;\n    let parent: Path | null = null;\n\n    if (this._watchers.size == 0) {\n      // Nothing to do if there's no watchers.\n      return;\n    }\n\n    const maybeWatcher = this._watchers.get(currentPath);\n    if (maybeWatcher) {\n      maybeWatcher.forEach((watcher) => {\n        const [options, subject] = watcher;\n        subject.next({ path, time, type });\n\n        if (!options.persistent && type == HostWatchEventType.Deleted) {\n          subject.complete();\n          this._watchers.delete(currentPath);\n        }\n      });\n    }\n\n    do {\n      currentPath = parent !== null ? parent : currentPath;\n      parent = dirname(currentPath);\n\n      const maybeWatcher = this._watchers.get(currentPath);\n      if (maybeWatcher) {\n        maybeWatcher.forEach((watcher) => {\n          const [options, subject] = watcher;\n          if (!options.recursive) {\n            return;\n          }\n          subject.next({ path, time, type });\n\n          if (!options.persistent && type == HostWatchEventType.Deleted) {\n            subject.complete();\n            this._watchers.delete(currentPath);\n          }\n        });\n      }\n    } while (parent != currentPath);\n  }\n\n  get capabilities(): HostCapabilities {\n    return { synchronous: true };\n  }\n\n  /**\n   * List of protected methods that give direct access outside the observables to the cache\n   * and internal states.\n   */\n  protected _write(path: Path, content: FileBuffer): void {\n    path = this._toAbsolute(path);\n    const old = this._cache.get(path);\n    if (old && old.isDirectory()) {\n      throw new PathIsDirectoryException(path);\n    }\n\n    // Update all directories. If we find a file we know it's an invalid write.\n    const fragments = split(path);\n    let curr: Path = normalize('/');\n    for (const fr of fragments) {\n      curr = join(curr, fr);\n      const maybeStats = this._cache.get(fr);\n      if (maybeStats) {\n        if (maybeStats.isFile()) {\n          throw new PathIsFileException(curr);\n        }\n      } else {\n        this._cache.set(curr, this._newDirStats());\n      }\n    }\n\n    // Create the stats.\n    const stats: Stats<SimpleMemoryHostStats> = this._newFileStats(content, old);\n    this._cache.set(path, stats);\n    this._updateWatchers(path, old ? HostWatchEventType.Changed : HostWatchEventType.Created);\n  }\n  protected _read(path: Path): FileBuffer {\n    path = this._toAbsolute(path);\n    const maybeStats = this._cache.get(path);\n    if (!maybeStats) {\n      throw new FileDoesNotExistException(path);\n    } else if (maybeStats.isDirectory()) {\n      throw new PathIsDirectoryException(path);\n    } else if (!maybeStats.content) {\n      throw new PathIsDirectoryException(path);\n    } else {\n      return maybeStats.content;\n    }\n  }\n  protected _delete(path: Path): void {\n    path = this._toAbsolute(path);\n    if (this._isDirectory(path)) {\n      for (const [cachePath] of this._cache.entries()) {\n        if (cachePath.startsWith(path + NormalizedSep) || cachePath === path) {\n          this._cache.delete(cachePath);\n        }\n      }\n    } else {\n      this._cache.delete(path);\n    }\n    this._updateWatchers(path, HostWatchEventType.Deleted);\n  }\n  protected _rename(from: Path, to: Path): void {\n    from = this._toAbsolute(from);\n    to = this._toAbsolute(to);\n    if (!this._cache.has(from)) {\n      throw new FileDoesNotExistException(from);\n    } else if (this._cache.has(to)) {\n      throw new FileAlreadyExistException(to);\n    }\n\n    if (this._isDirectory(from)) {\n      for (const path of this._cache.keys()) {\n        if (path.startsWith(from + NormalizedSep)) {\n          const content = this._cache.get(path);\n          if (content) {\n            // We don't need to clone or extract the content, since we're moving files.\n            this._cache.set(join(to, NormalizedSep, path.slice(from.length)), content);\n          }\n        }\n      }\n    } else {\n      const content = this._cache.get(from);\n      if (content) {\n        const fragments = split(to);\n        const newDirectories: Path[] = [];\n        let curr: Path = normalize('/');\n        for (const fr of fragments) {\n          curr = join(curr, fr);\n          const maybeStats = this._cache.get(fr);\n          if (maybeStats) {\n            if (maybeStats.isFile()) {\n              throw new PathIsFileException(curr);\n            }\n          } else {\n            newDirectories.push(curr);\n          }\n        }\n        for (const newDirectory of newDirectories) {\n          this._cache.set(newDirectory, this._newDirStats());\n        }\n        this._cache.delete(from);\n        this._cache.set(to, content);\n      }\n    }\n\n    this._updateWatchers(from, HostWatchEventType.Renamed);\n  }\n\n  protected _list(path: Path): PathFragment[] {\n    path = this._toAbsolute(path);\n    if (this._isFile(path)) {\n      throw new PathIsFileException(path);\n    }\n\n    const fragments = split(path);\n    const result = new Set<PathFragment>();\n    if (path !== NormalizedRoot) {\n      for (const p of this._cache.keys()) {\n        if (p.startsWith(path + NormalizedSep)) {\n          result.add(split(p)[fragments.length]);\n        }\n      }\n    } else {\n      for (const p of this._cache.keys()) {\n        if (p.startsWith(NormalizedSep) && p !== NormalizedRoot) {\n          result.add(split(p)[1]);\n        }\n      }\n    }\n\n    return [...result];\n  }\n\n  protected _exists(path: Path): boolean {\n    return !!this._cache.get(this._toAbsolute(path));\n  }\n  protected _isDirectory(path: Path): boolean {\n    const maybeStats = this._cache.get(this._toAbsolute(path));\n\n    return maybeStats ? maybeStats.isDirectory() : false;\n  }\n  protected _isFile(path: Path): boolean {\n    const maybeStats = this._cache.get(this._toAbsolute(path));\n\n    return maybeStats ? maybeStats.isFile() : false;\n  }\n\n  protected _stat(path: Path): Stats<SimpleMemoryHostStats> | null {\n    const maybeStats = this._cache.get(this._toAbsolute(path));\n\n    if (!maybeStats) {\n      return null;\n    } else {\n      return maybeStats;\n    }\n  }\n\n  protected _watch(path: Path, options?: HostWatchOptions): Observable<HostWatchEvent> {\n    path = this._toAbsolute(path);\n\n    const subject = new Subject<HostWatchEvent>();\n    let maybeWatcherArray = this._watchers.get(path);\n    if (!maybeWatcherArray) {\n      maybeWatcherArray = [];\n      this._watchers.set(path, maybeWatcherArray);\n    }\n\n    maybeWatcherArray.push([options || {}, subject]);\n\n    return subject.asObservable();\n  }\n\n  write(path: Path, content: FileBuffer): Observable<void> {\n    return new Observable<void>((obs) => {\n      this._write(path, content);\n      obs.next();\n      obs.complete();\n    });\n  }\n\n  read(path: Path): Observable<FileBuffer> {\n    return new Observable<FileBuffer>((obs) => {\n      const content = this._read(path);\n      obs.next(content);\n      obs.complete();\n    });\n  }\n\n  delete(path: Path): Observable<void> {\n    return new Observable<void>((obs) => {\n      this._delete(path);\n      obs.next();\n      obs.complete();\n    });\n  }\n\n  rename(from: Path, to: Path): Observable<void> {\n    return new Observable<void>((obs) => {\n      this._rename(from, to);\n      obs.next();\n      obs.complete();\n    });\n  }\n\n  list(path: Path): Observable<PathFragment[]> {\n    return new Observable<PathFragment[]>((obs) => {\n      obs.next(this._list(path));\n      obs.complete();\n    });\n  }\n\n  exists(path: Path): Observable<boolean> {\n    return new Observable<boolean>((obs) => {\n      obs.next(this._exists(path));\n      obs.complete();\n    });\n  }\n\n  isDirectory(path: Path): Observable<boolean> {\n    return new Observable<boolean>((obs) => {\n      obs.next(this._isDirectory(path));\n      obs.complete();\n    });\n  }\n\n  isFile(path: Path): Observable<boolean> {\n    return new Observable<boolean>((obs) => {\n      obs.next(this._isFile(path));\n      obs.complete();\n    });\n  }\n\n  // Some hosts may not support stat.\n  stat(path: Path): Observable<Stats<{}> | null> | null {\n    return new Observable<Stats<{}> | null>((obs) => {\n      obs.next(this._stat(path));\n      obs.complete();\n    });\n  }\n\n  watch(path: Path, options?: HostWatchOptions): Observable<HostWatchEvent> | null {\n    return this._watch(path, options);\n  }\n\n  reset(): void {\n    this._cache.clear();\n    this._watchers.clear();\n  }\n}\n"]} |
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