function fixBinary (bin) {
var length = bin.length;
var buf = new ArrayBuffer(length);
var arr = new Uint8Array(buf);
for (var i = 0; i < length; i++) {
arr[i] = bin.charCodeAt(i);
}
return buf;
}
// fileHandle is an instance of FileSystemFileHandle..
async function writeFilePdf(contents, fileName) {
var options = {
startIn: 'downloads',
suggestedName: fileName,
types: [{
description: 'Pdf Document',
accept: {
'application/pdf' : ['.pdf']
}
}]
};
var handle = await window.showSaveFilePicker(options);
// Create a FileSystemWritableFileStream to write to.
var writable = await handle.createWritable(); // Write the contents of the file to the stream.
await writable.write(contents); // Close the file and write the contents to disk.
await writable.close();
}
async function writeFileZip(contents, fileName) {
var options = {
startIn: 'downloads',
suggestedName: fileName,
types: [{
description: 'Zip Document',
accept: {
'application/zip' : ['.zip']
}
}]
};
var handle = await window.showSaveFilePicker(options);
// Create a FileSystemWritableFileStream to write to.
var writable = await handle.createWritable(); // Write the contents of the file to the stream.
await writable.write(contents); // Close the file and write the contents to disk.
await writable.close();
}
function selectDownloadLocation(fileData, fileName, fileType) {
var contents = new Blob([fixBinary(atob(fileData))], { type: fileType });
fileType == '.pdf' ? writeFilePdf(contents, fileName) : writeFileZip(contents, fileName);
}
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