如何确定saveAs（）Function javascript或打字稿的路径？

Question

Q1: How can determine path for saveAs()Function javascript ?

I wanna after downloaded file I wanna select path such as

C:\\Users\\file-\\projectName\\src\\assets\\i18n\\en.json

const blob = new Blob([data], {type : 'application/json'});
saveAs( blob , 'en.json');

Q2: How can I save data in same file after download ? such as

saveAs( blob , 'en.json');// new file
save( blob , 'en.json'); // same file

Answer 1

1. You can't. The file path will always be set to the assigned downloads folder in your browser settings.
2. Also not possible, if you try to overwrite a file it will automatically rename the new one to avoid overwriting.