Viewing File: /home/ubuntu/route-and-root-frontend-base/node_modules/file-selector/dist/es5/file-selector.js
import { __awaiter, __generator, __read, __spreadArray } from "tslib";
import { toFileWithPath } from './file';
var FILES_TO_IGNORE = [
// Thumbnail cache files for macOS and Windows
'.DS_Store',
'Thumbs.db' // Windows
];
/**
* Convert a DragEvent's DataTrasfer object to a list of File objects
* NOTE: If some of the items are folders,
* everything will be flattened and placed in the same list but the paths will be kept as a {path} property.
*
* EXPERIMENTAL: A list of https://developer.mozilla.org/en-US/docs/Web/API/FileSystemHandle objects can also be passed as an arg
* and a list of File objects will be returned.
*
* @param evt
*/
export function fromEvent(evt) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (isObject(evt) && isDataTransfer(evt.dataTransfer)) {
return [2 /*return*/, getDataTransferFiles(evt.dataTransfer, evt.type)];
}
else if (isChangeEvt(evt)) {
return [2 /*return*/, getInputFiles(evt)];
}
else if (Array.isArray(evt) && evt.every(function (item) { return 'getFile' in item && typeof item.getFile === 'function'; })) {
return [2 /*return*/, getFsHandleFiles(evt)];
}
return [2 /*return*/, []];
});
});
}
function isDataTransfer(value) {
return isObject(value);
}
function isChangeEvt(value) {
return isObject(value) && isObject(value.target);
}
function isObject(v) {
return typeof v === 'object' && v !== null;
}
function getInputFiles(evt) {
return fromList(evt.target.files).map(function (file) { return toFileWithPath(file); });
}
// Ee expect each handle to be https://developer.mozilla.org/en-US/docs/Web/API/FileSystemFileHandle
function getFsHandleFiles(handles) {
return __awaiter(this, void 0, void 0, function () {
var files;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Promise.all(handles.map(function (h) { return h.getFile(); }))];
case 1:
files = _a.sent();
return [2 /*return*/, files.map(function (file) { return toFileWithPath(file); })];
}
});
});
}
function getDataTransferFiles(dt, type) {
return __awaiter(this, void 0, void 0, function () {
var items, files;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!dt.items) return [3 /*break*/, 2];
items = fromList(dt.items)
.filter(function (item) { return item.kind === 'file'; });
// According to https://html.spec.whatwg.org/multipage/dnd.html#dndevents,
// only 'dragstart' and 'drop' has access to the data (source node)
if (type !== 'drop') {
return [2 /*return*/, items];
}
return [4 /*yield*/, Promise.all(items.map(toFilePromises))];
case 1:
files = _a.sent();
return [2 /*return*/, noIgnoredFiles(flatten(files))];
case 2: return [2 /*return*/, noIgnoredFiles(fromList(dt.files)
.map(function (file) { return toFileWithPath(file); }))];
}
});
});
}
function noIgnoredFiles(files) {
return files.filter(function (file) { return FILES_TO_IGNORE.indexOf(file.name) === -1; });
}
// IE11 does not support Array.from()
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/from#Browser_compatibility
// https://developer.mozilla.org/en-US/docs/Web/API/FileList
// https://developer.mozilla.org/en-US/docs/Web/API/DataTransferItemList
function fromList(items) {
if (items === null) {
return [];
}
var files = [];
// tslint:disable: prefer-for-of
for (var i = 0; i < items.length; i++) {
var file = items[i];
files.push(file);
}
return files;
}
// https://developer.mozilla.org/en-US/docs/Web/API/DataTransferItem
function toFilePromises(item) {
if (typeof item.webkitGetAsEntry !== 'function') {
return fromDataTransferItem(item);
}
var entry = item.webkitGetAsEntry();
// Safari supports dropping an image node from a different window and can be retrieved using
// the DataTransferItem.getAsFile() API
// NOTE: FileSystemEntry.file() throws if trying to get the file
if (entry && entry.isDirectory) {
return fromDirEntry(entry);
}
return fromDataTransferItem(item);
}
function flatten(items) {
return items.reduce(function (acc, files) { return __spreadArray(__spreadArray([], __read(acc), false), __read((Array.isArray(files) ? flatten(files) : [files])), false); }, []);
}
function fromDataTransferItem(item) {
var file = item.getAsFile();
if (!file) {
return Promise.reject("".concat(item, " is not a File"));
}
var fwp = toFileWithPath(file);
return Promise.resolve(fwp);
}
// https://developer.mozilla.org/en-US/docs/Web/API/FileSystemEntry
function fromEntry(entry) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, entry.isDirectory ? fromDirEntry(entry) : fromFileEntry(entry)];
});
});
}
// https://developer.mozilla.org/en-US/docs/Web/API/FileSystemDirectoryEntry
function fromDirEntry(entry) {
var reader = entry.createReader();
return new Promise(function (resolve, reject) {
var entries = [];
function readEntries() {
var _this = this;
// https://developer.mozilla.org/en-US/docs/Web/API/FileSystemDirectoryEntry/createReader
// https://developer.mozilla.org/en-US/docs/Web/API/FileSystemDirectoryReader/readEntries
reader.readEntries(function (batch) { return __awaiter(_this, void 0, void 0, function () {
var files, err_1, items;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!!batch.length) return [3 /*break*/, 5];
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, Promise.all(entries)];
case 2:
files = _a.sent();
resolve(files);
return [3 /*break*/, 4];
case 3:
err_1 = _a.sent();
reject(err_1);
return [3 /*break*/, 4];
case 4: return [3 /*break*/, 6];
case 5:
items = Promise.all(batch.map(fromEntry));
entries.push(items);
// Continue reading
readEntries();
_a.label = 6;
case 6: return [2 /*return*/];
}
});
}); }, function (err) {
reject(err);
});
}
readEntries();
});
}
// https://developer.mozilla.org/en-US/docs/Web/API/FileSystemFileEntry
function fromFileEntry(entry) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve, reject) {
entry.file(function (file) {
var fwp = toFileWithPath(file, entry.fullPath);
resolve(fwp);
}, function (err) {
reject(err);
});
})];
});
});
}
//# sourceMappingURL=file-selector.js.map
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