1 | import { __awaiter, __generator, __read, __spreadArray } from "tslib";
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2 | import { toFileWithPath } from './file';
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3 | var FILES_TO_IGNORE = [
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4 |
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5 | '.DS_Store',
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6 | 'Thumbs.db'
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7 | ];
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8 |
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9 |
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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 |
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17 |
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18 | export function fromEvent(evt) {
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19 | return __awaiter(this, void 0, void 0, function () {
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20 | return __generator(this, function (_a) {
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21 | if (isObject(evt) && isDataTransfer(evt.dataTransfer)) {
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22 | return [2 , getDataTransferFiles(evt.dataTransfer, evt.type)];
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23 | }
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24 | else if (isChangeEvt(evt)) {
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25 | return [2 , getInputFiles(evt)];
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26 | }
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27 | else if (Array.isArray(evt) && evt.every(function (item) { return 'getFile' in item && typeof item.getFile === 'function'; })) {
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28 | return [2 , getFsHandleFiles(evt)];
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29 | }
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30 | return [2 , []];
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31 | });
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32 | });
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33 | }
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34 | function isDataTransfer(value) {
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35 | return isObject(value);
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36 | }
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37 | function isChangeEvt(value) {
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38 | return isObject(value) && isObject(value.target);
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39 | }
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40 | function isObject(v) {
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41 | return typeof v === 'object' && v !== null;
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42 | }
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43 | function getInputFiles(evt) {
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44 | return fromList(evt.target.files).map(function (file) { return toFileWithPath(file); });
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45 | }
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46 |
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47 | function getFsHandleFiles(handles) {
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48 | return __awaiter(this, void 0, void 0, function () {
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49 | var files;
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50 | return __generator(this, function (_a) {
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51 | switch (_a.label) {
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52 | case 0: return [4 , Promise.all(handles.map(function (h) { return h.getFile(); }))];
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53 | case 1:
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54 | files = _a.sent();
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55 | return [2 , files.map(function (file) { return toFileWithPath(file); })];
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56 | }
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57 | });
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58 | });
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59 | }
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60 | function getDataTransferFiles(dt, type) {
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61 | return __awaiter(this, void 0, void 0, function () {
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62 | var items, files;
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63 | return __generator(this, function (_a) {
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64 | switch (_a.label) {
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65 | case 0:
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66 | if (!dt.items) return [3 , 2];
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67 | items = fromList(dt.items)
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68 | .filter(function (item) { return item.kind === 'file'; });
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69 |
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70 |
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71 | if (type !== 'drop') {
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72 | return [2 , items];
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73 | }
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74 | return [4 , Promise.all(items.map(toFilePromises))];
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75 | case 1:
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76 | files = _a.sent();
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77 | return [2 , noIgnoredFiles(flatten(files))];
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78 | case 2: return [2 , noIgnoredFiles(fromList(dt.files)
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79 | .map(function (file) { return toFileWithPath(file); }))];
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80 | }
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81 | });
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82 | });
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83 | }
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84 | function noIgnoredFiles(files) {
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85 | return files.filter(function (file) { return FILES_TO_IGNORE.indexOf(file.name) === -1; });
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86 | }
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87 |
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88 |
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89 |
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90 |
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91 | function fromList(items) {
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92 | if (items === null) {
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93 | return [];
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94 | }
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95 | var files = [];
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96 |
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97 | for (var i = 0; i < items.length; i++) {
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98 | var file = items[i];
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99 | files.push(file);
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100 | }
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101 | return files;
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102 | }
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103 |
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104 | function toFilePromises(item) {
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105 | if (typeof item.webkitGetAsEntry !== 'function') {
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106 | return fromDataTransferItem(item);
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107 | }
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108 | var entry = item.webkitGetAsEntry();
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109 |
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110 |
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111 |
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112 | if (entry && entry.isDirectory) {
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113 | return fromDirEntry(entry);
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114 | }
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115 | return fromDataTransferItem(item);
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116 | }
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117 | function flatten(items) {
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118 | return items.reduce(function (acc, files) { return __spreadArray(__spreadArray([], __read(acc), false), __read((Array.isArray(files) ? flatten(files) : [files])), false); }, []);
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119 | }
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120 | function fromDataTransferItem(item) {
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121 | var file = item.getAsFile();
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122 | if (!file) {
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123 | return Promise.reject("".concat(item, " is not a File"));
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124 | }
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125 | var fwp = toFileWithPath(file);
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126 | return Promise.resolve(fwp);
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127 | }
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128 |
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129 | function fromEntry(entry) {
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130 | return __awaiter(this, void 0, void 0, function () {
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131 | return __generator(this, function (_a) {
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132 | return [2 , entry.isDirectory ? fromDirEntry(entry) : fromFileEntry(entry)];
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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 | function fromDirEntry(entry) {
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138 | var reader = entry.createReader();
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139 | return new Promise(function (resolve, reject) {
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140 | var entries = [];
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141 | function readEntries() {
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142 | var _this = this;
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143 |
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144 |
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145 | reader.readEntries(function (batch) { return __awaiter(_this, void 0, void 0, function () {
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146 | var files, err_1, items;
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147 | return __generator(this, function (_a) {
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148 | switch (_a.label) {
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149 | case 0:
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150 | if (!!batch.length) return [3 , 5];
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151 | _a.label = 1;
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152 | case 1:
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153 | _a.trys.push([1, 3, , 4]);
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154 | return [4 , Promise.all(entries)];
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155 | case 2:
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156 | files = _a.sent();
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157 | resolve(files);
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158 | return [3 , 4];
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159 | case 3:
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160 | err_1 = _a.sent();
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161 | reject(err_1);
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162 | return [3 , 4];
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163 | case 4: return [3 , 6];
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164 | case 5:
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165 | items = Promise.all(batch.map(fromEntry));
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166 | entries.push(items);
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167 |
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168 | readEntries();
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169 | _a.label = 6;
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170 | case 6: return [2 ];
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171 | }
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172 | });
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173 | }); }, function (err) {
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174 | reject(err);
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175 | });
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176 | }
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177 | readEntries();
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178 | });
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179 | }
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180 |
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181 | function fromFileEntry(entry) {
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182 | return __awaiter(this, void 0, void 0, function () {
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183 | return __generator(this, function (_a) {
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184 | return [2 , new Promise(function (resolve, reject) {
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185 | entry.file(function (file) {
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186 | var fwp = toFileWithPath(file, entry.fullPath);
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187 | resolve(fwp);
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188 | }, function (err) {
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189 | reject(err);
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190 | });
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191 | })];
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192 | });
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193 | });
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194 | }
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195 |
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