<!DOCTYPE HTML> <html> <head> <meta charset="utf-8" /> </head> <body> <div id="stdout"></div> </body> <script src="../lib/require.js"></script> <script> require.config({ baseUrl: "../lib", paths: { "src": "../src" } }); require(["src/file-system"], function(IDBFS) { var flags = 'FORMAT'; //var flags = undefined; var fs = new IDBFS.FileSystem('local', flags); fs.promise.otherwise( function(error) { console.error(error); } ); function make_tmp_directory() { return fs.mkdir('/tmp'); }; function remove_tmp_directory() { return fs.rmdir('/tmp'); }; function create_tmp_file() { return fs.open('/tmp/1', 'w+'); }; function print_fd(fd) { console.log(fd); return fd; }; function write_data(fd) { var data = new Uint8Array([1, 2, 3, 4]); return fs.write(fd, data, 0, 4); }; function close_tmp_file(fd) { return fs.close(fd); }; fs.promise.then(make_tmp_directory) .then(function() { var fd = fs.open('/tmp/1', 'w+'); function write_data() { var data = new Uint8Array([1, 2, 3, 4]); return fs.write(fd, data, 0, 4); }; fd.promise.then(write_data); }) .then(create_tmp_file) .then(print_fd) .then(write_data) .then(function() { console.log('done'); }) .otherwise(function(error) { console.error(error, error.message, error.stack); }); }); </script> </html>