50 lines
1.2 KiB
JavaScript
50 lines
1.2 KiB
JavaScript
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import Blob from './index.js'
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const _File = class File extends Blob {
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#lastModified = 0
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#name = ''
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/**
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* @param {*[]} fileBits
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* @param {string} fileName
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* @param {{lastModified?: number, type?: string}} options
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*/// @ts-ignore
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constructor (fileBits, fileName, options = {}) {
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if (arguments.length < 2) {
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throw new TypeError(`Failed to construct 'File': 2 arguments required, but only ${arguments.length} present.`)
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}
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super(fileBits, options)
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if (options === null) options = {}
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// Simulate WebIDL type casting for NaN value in lastModified option.
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const lastModified = options.lastModified === undefined ? Date.now() : Number(options.lastModified)
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if (!Number.isNaN(lastModified)) {
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this.#lastModified = lastModified
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}
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this.#name = String(fileName)
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}
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get name () {
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return this.#name
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}
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get lastModified () {
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return this.#lastModified
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}
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get [Symbol.toStringTag] () {
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return 'File'
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}
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static [Symbol.hasInstance] (object) {
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return !!object && object instanceof Blob &&
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/^(File)$/.test(object[Symbol.toStringTag])
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}
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}
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/** @type {typeof globalThis.File} */// @ts-ignore
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export const File = _File
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export default File
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