59 lines
1.2 KiB
JavaScript
59 lines
1.2 KiB
JavaScript
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule File
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* @flow
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* @format
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*/
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'use strict';
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const Blob = require('Blob');
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const invariant = require('fbjs/lib/invariant');
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import type {BlobOptions} from 'BlobTypes';
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/**
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* The File interface provides information about files.
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*/
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class File extends Blob {
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/**
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* Constructor for JS consumers.
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*/
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constructor(
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parts: Array<Blob | string>,
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name: string,
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options?: BlobOptions,
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) {
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invariant(
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parts != null && name != null,
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'Failed to construct `File`: Must pass both `parts` and `name` arguments.',
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);
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super(parts, options);
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this.data.name = name;
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}
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/**
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* Name of the file.
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*/
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get name(): string {
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invariant(this.data.name != null, 'Files must have a name set.');
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return this.data.name;
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}
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/*
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* Last modified time of the file.
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*/
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get lastModified(): number {
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return this.data.lastModified || 0;
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}
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}
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module.exports = File;
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