import { file, dir, write } from 'opfs-tools'; // --------- Create / Write --------- await dir('/test-dir').create(); // create a directory await write('/dir/file.txt', ''); // empty file await write('/dir/fetch-file', (await fetch('//example.com')).body); // inputFile from the input element picked by the user await write('/dir/input-file', inputFile.stream()); // For incremental file writes, please refer to the API documentation. const writer = await file('/dir/file').createWriter(); // --------- Read --------- await file('/dir/file.txt').text(); await file('/dir/input-file').arrayBuffer(); await file('/dir/input-file').stream(); // If you want to read file fragments, please refer to the API documentation. const reader = await file('/dir/input-file').createReader(); await dir('/test-dir').children(); // --------- Remove --------- await dir('/test-dir').remove(); await file('/dir/file.txt').remove(); // --------- copyTo / moveTo --------- await file('/dir/file').copyTo(file('/dir/file copy1')); await dir('/dir').moveTo(dir('/.Trash')); // --------- import/export file ----------- const [impHandle] = await window.showOpenFilePicker(); write('/import-file', (await impHandle.getFile()).stream()); const expHandle = await window.showSaveFilePicker({ suggestedName: `opfs-export-file`, }); (await file('/export-file').stream()).pipeTo(await expHandle.createWritable()); // --------- upload ------------- const formData = new FormData(); formData.append('file', await file('/upload-file').getOriginFile()); await fetch('/upload', { method: 'post', headers: { 'Content-Type': 'multipart/form-data' }, body: formData, });