maksymov commented on issue #364: Large file save freeze app for seconds URL: https://github.com/apache/cordova-plugin-file/issues/364#issuecomment-612796542 I have `<input type='file'>` in my form. Now I want to save selected file in `LocalFileSystem.PERSISTENT`. My code for that: ```javascript self.requestFileSystem(LocalFileSystem.PERSISTENT, 0, function (fs) { fs.root.getFile(file_name, { create: true, exclusive: false }, function (fileEntry) { var reader = new FileReader(); reader.onloadend = function () { fileEntry.createWriter(function (fileWriter) { fileWriter.onwriteend = function () {}; fileWriter.onerror = function (e) {}; dataObj = new Blob([reader.result], { type: 'text/plain' }); // freeze here fileWriter.write(dataObj); postMessage('ok'); }); }; reader.readAsDataURL($(file_id)[0].files[0]); }, onErrorCreateFile); }, onErrorLoadFs); ``` But this code freeze my UI on device (ios, android) up to 10 seconds when file is 30MB. I discovered the world of **Web Workers**, but there is no access to `LocalFileSystem`. How can I save selected file (`<input type='file'>`) to my `LocalFileSystem` without UI freezes?
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