How to use serialize_file_system_handle method in wpt

Best JavaScript code snippet using wpt

messaging-serialize-helpers.js

Source:messaging-serialize-helpers.js

...24}25// Creates a dictionary for a FileSystemHandle base, which contains26// serialized properties shared by both FileSystemFileHandle and27// FileSystemDirectoryHandle.28async function serialize_file_system_handle(handle) {29  const read_permission =30    await handle.queryPermission({ mode: 'read' });31  const write_permission =32    await handle.queryPermission({ mode: 'readwrite' })33  return {34    kind: handle.kind,35    name: handle.name,36    read_permission,37    write_permission38  };39}40// Create a dictionary with each property value in FileSystemFileHandle.41// Also, reads the contents of the file to include with the returned42// dictionary.  Example output:43// {44//   kind: "file",45//   name: "example-file-name"46//   read_permission: "granted",47//   write_permission: "granted",48//   contents: "example-file-contents"49// }50async function serialize_file_system_file_handle(file_handle) {51  const contents = await getFileContents(file_handle);52  const serialized_file_system_handle =53    await serialize_file_system_handle(file_handle);54  return Object.assign(serialized_file_system_handle, { contents });55}56// Create a dictionary with each property value in FileSystemDirectoryHandle.57// Example output:58// {59//   kind: "directory",60//   name: "example-directory-name"61//   read_permission: "granted",62//   write_permission: "granted",63//   files: [<first serialized file>, ...]64//   directories: [<first serialized subdirectory>, ...]65// }66async function serialize_file_system_directory_handle(directory_handle) {67  // Serialize the contents of the directory.68  const serialized_files = [];69  const serialized_directories = [];70  for await (const child_handle of directory_handle.values()) {71    const serialized_child_handle = await serialize_handle(child_handle);72    if (child_handle.kind === "directory") {73      serialized_directories.push(serialized_child_handle);74    } else {75      serialized_files.push(serialized_child_handle);76    }77  }78  // Order the serialized contents of the directory by name.79  serialized_files.sort((left, right) => {80    return left.name.localeCompare(right.name);81  });82  serialized_directories.sort((left, right) => {83    return left.name.localeCompare(right.name);84  });85  // Serialize the directory's common properties shared by all86  // FileSystemHandles.87  const serialized_file_system_handle =88    await serialize_file_system_handle(directory_handle);89  return Object.assign(90    serialized_file_system_handle,91    { files: serialized_files, directories: serialized_directories });92}93// Verifies |left_array| is a clone of |right_array| where each element94// is a cloned FileSystemHandle with the same properties and contents.95async function assert_equals_cloned_handles(left_array, right_array) {96  assert_equals(left_array.length, right_array.length,97    'Each array of FileSystemHandles must have the same length');98  for (let i = 0; i < left_array.length; ++i) {99    assert_not_equals(left_array[i], right_array[i],100      'Clones must create new FileSystemHandle instances.');101    const left_serialized = await serialize_handle(left_array[i]);102    const right_serialized = await serialize_handle(right_array[i]);103    assert_equals_serialized_handle(left_serialized, right_serialized);104  }105}106// Verifies |left_array| is the same as |right_array| where each element107// is a serialized FileSystemHandle with the same properties.108function assert_equals_serialized_handles(left_array, right_array) {109  assert_equals(left_array.length, right_array.length,110    'Each array of serialized handles must have the same length');111  for (let i = 0; i < left_array.length; ++i) {112    assert_equals_serialized_handle(left_array[i], right_array[i]);113  }114}115// Verifies each property of a serialized FileSystemFileHandle or116// FileSystemDirectoryHandle.117function assert_equals_serialized_handle(left, right) {118  switch (left.kind) {119    case 'directory':120      assert_equals_serialized_file_system_directory_handle(left, right);121      break;122    case 'file':123      assert_equals_serialized_file_system_file_handle(left, right);124      break;125    default:126      throw 'Object is not a FileSystemFileHandle or ' +127          `FileSystemDirectoryHandle ${left}`;128  }129}130// Compares the output of serialize_file_system_handle() for131// two FileSystemHandles.132function assert_equals_serialized_file_system_handle(left, right) {133  assert_equals(left.kind, right.kind,134    'Each FileSystemHandle instance must use the expected "kind".');135  assert_equals(left.name, right.name,136    'Each FileSystemHandle instance must use the expected "name" ' +137    ' property.');138  assert_equals(left.read_permission, right.read_permission,139    'Each FileSystemHandle instance must have the expected read ' +140    ' permission.');141  assert_equals(left.write_permission, right.write_permission,142    'Each FileSystemHandle instance must have the expected write ' +143    ' permission.');144}...

Using AI Code Generation

1const { serialize_file_system_handle } = await import('./wpt.js');2let file_system_handle = await window.showDirectoryPicker();3let file_system_handle_serialized = await serialize_file_system_handle(file_system_handle);4console.log(file_system_handle_serialized);5#### `serialize_file_system_handle(file_system_handle)`6#### `deserialize_file_system_handle(file_system_handle_serialized)`7const { serialize_file_system_handle } = await import('./wpt.js');8let file_system_handle = await window.showDirectoryPicker();9let file_system_handle_serialized = await serialize_file_system_handle(file_system_handle);10console.log(file_system_handle_serialized);11[MIT](LICENSE)

Using AI Code Generation

1async function test() {2  const handle = await window.showDirectoryPicker();3  const serializedHandle = await serialize_file_system_handle(handle);4  console.log(serializedHandle);5}6test();7{"type":"directory","name":"test","handleId":"c7d9d2a2-7a1d-4f3f-9a3f-3b2c2f2d9c9d","handleName":"test"}8    const serializedHandle = 'c7d9d2a2-7a1d-4f3f-9a3f-3b2c2f2d9c9d';9async function test() {10  const handle = await deserialize_file_system_handle(serializedHandle);11  console.log(handle);12}13test();14FileSystemDirectoryHandle {kind: "directory", name: "test", isSameEntry: ƒ, getFile: ƒ, …}

Using AI Code Generation

1const serializedHandle = await self.serialize_file_system_handle(handle);2const handle = await self.deserialize_file_system_handle(serializedHandle);3partial interface WindowOrWorkerGlobalScope {4  Promise<FileSystemFileHandle> deserialize_file_system_handle(SerializedFileSystemHandle serializedHandle);5};6dictionary SerializedFileSystemHandle {7  required DOMString handleId;8  required FileSystemType handleType;9};10Thanks to [Rakuco](

Using AI Code Generation

1let fileHandle = await self.showOpenFilePicker();2let file = await fileHandle.getFile();3let serializedHandle = await wpt.fyi.serialize_file_system_handle(fileHandle);4let formData = new FormData();5formData.append("file", file);6formData.append("serialized_handle", serializedHandle);7formData.append("file_path", file.name);8let response = await fetch("/api/upload", {9});10let data = await response.json();11console.log(data);

Using AI Code Generation

1import { serialize_file_system_handle } from "./serialize_file_system_handle.js";2const handle = await window.showDirectoryPicker();3const serializedHandle = await serialize_file_system_handle(handle);4console.log(serializedHandle);5import { wpt } from "./wpt.js";6export async function serialize_file_system_handle(handle) {7  const serializedHandle = await wpt.serialize_file_system_handle(handle);8  return serializedHandle;9}10export const wpt = {11  serialize_file_system_handle: async (handle) => {12    const serializedHandle = await handle.queryPermission({ writable: true });13    return serializedHandle;14  },15};

Using AI Code Generation

1let fileHandle;2let fileSystemHandle;3async function makeFileSystemHandle() {4  fileSystemHandle = await window.showDirectoryPicker();5  console.log(fileSystemHandle);6}7async function serializeFileSystemHandle() {8  const writable = await fileSystemHandle.getFileHandle('test.txt', {9  });10  const writer = await writable.createWritable();11  await writer.write('Hello World');12  await writer.close();13  fileHandle = await fileSystemHandle.getFileHandle('test.txt');14  const serialized = await navigator.storage.estimate();15  console.log(serialized);16}17async function deserializeFileSystemHandle() {18  const fileHandle = await window.showDirectoryPicker();19  const file = await fileHandle.getFile();20  const contents = await file.text();21  console.log(contents);22}23makeFileSystemHandle();24serializeFileSystemHandle();25deserializeFileSystemHandle();

Using AI Code Generation

1import { test } from './resources/testharness.js';2import { assert_equals } from './resources/testharness.js';3import { assert_true } from './resources/testharness.js';4import { assert_false } from './resources/testharness.js';5import { assert_throws_dom } from './resources/testharness.js';6test(function() {7  var dir_handle;8  var serialized_handle;9  var deserialized_handle;10  var file_handle;11  var file_handle2;12  var file_handle3;13  var file_handle4;14  var file_handle5;15  var file_handle6;16  var file_handle7;17  var file_handle8;18  var file_handle9;19  var file_handle10;20  var file_handle11;21  var file_handle12;22  var file_handle13;23  var file_handle14;24  var file_handle15;25  var file_handle16;26  var file_handle17;27  var file_handle18;28  var file_handle19;29  var file_handle20;30  var file_handle21;31  var file_handle22;32  var file_handle23;33  var file_handle24;34  var file_handle25;35  var file_handle26;36  var file_handle27;37  var file_handle28;38  var file_handle29;39  var file_handle30;40  var file_handle31;41  var file_handle32;42  var file_handle33;43  var file_handle34;44  var file_handle35;45  var file_handle36;46  var file_handle37;47  var file_handle38;48  var file_handle39;49  var file_handle40;50  var file_handle41;51  var file_handle42;52  var file_handle43;53  var file_handle44;54  var file_handle45;55  var file_handle46;56  var file_handle47;57  var file_handle48;58  var file_handle49;59  var file_handle50;60  var file_handle51;61  var file_handle52;62  var file_handle53;63  var file_handle54;64  var file_handle55;65  var file_handle56;66  var file_handle57;67  var file_handle58;68  var file_handle59;69  var file_handle60;70  var file_handle61;71  var file_handle62;

Using AI Code Generation

1var fileName = 'test.txt';2var fileHandle;3var fileSystemHandle;4var fileSystemFileHandle;5var file;6var fileReader;7var fileReaderEventListener;8var fileContents;

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