47 lines
1.0 KiB
JavaScript
47 lines
1.0 KiB
JavaScript
function loopFiles(item, callback) {
|
|
const dirReader = item.createReader();
|
|
let fileList = [];
|
|
|
|
function sequence() {
|
|
dirReader.readEntries(entries => {
|
|
const entryList = Array.prototype.slice.apply(entries);
|
|
fileList = fileList.concat(entryList);
|
|
|
|
// Check if all the file has been viewed
|
|
const isFinished = !entryList.length;
|
|
|
|
if (isFinished) {
|
|
callback(fileList);
|
|
} else {
|
|
sequence();
|
|
}
|
|
});
|
|
}
|
|
|
|
sequence();
|
|
}
|
|
|
|
const traverseFileTree = (files, callback, isAccepted) => {
|
|
const _traverseFileTree = (item, path) => {
|
|
path = path || '';
|
|
if (item.isFile) {
|
|
item.file(file => {
|
|
if (isAccepted(file)) {
|
|
callback([file]);
|
|
}
|
|
});
|
|
} else if (item.isDirectory) {
|
|
loopFiles(item, entries => {
|
|
entries.forEach(entryItem => {
|
|
_traverseFileTree(entryItem, `${path}${item.name}/`);
|
|
});
|
|
});
|
|
}
|
|
};
|
|
for (const file of files) {
|
|
_traverseFileTree(file.webkitGetAsEntry());
|
|
}
|
|
};
|
|
|
|
export default traverseFileTree;
|