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@nberlette/utf8

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Blazing fast universal ponyfills for TextEncoder and TextDecoder.

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import { type BufferSource, type TextDecoderOptions } from "./text_decoder.js"; /** * Zero-dependency ponyfill for the native `TextDecoderStream` Web API. * * Uses the {@linkcode TextDecoder} ponyfill to decode UTF-8 bytes into strings * in a streaming fashion. Requires the `TransformStream` API to be available * in the current environment. * * @see https://developer.mozilla.org/en-US/docs/Web/API/TextDecoderStream * @category Streams * @tags utf-8, decoder */ export declare class TextDecoderStream { #private; constructor(label?: string, options?: TextDecoderOptions); /** * @returns the encoding standard being used by the underlying `TextDecoder`. */ get encoding(): string; /** * If true, invalid bytes will throw a TypeError. This reflects the value of * the `fatal` option passed to the `TextDecoderStream` constructor. */ get fatal(): boolean; /** * If true, the BOM (Byte Order Mark) will be ignored. This reflects the * value of the `ignoreBOM` option passed to the `TextDecoderStream` * constructor. */ get ignoreBOM(): boolean; /** * @returns the readable stream side of the `TextDecoderStream`, which can be * used to read the decoded strings as they are produced by the decoder. */ get readable(): ReadableStream<string>; /** * @returns the writable stream side of the `TextDecoderStream`, which can be * used to write UTF-8 bytes to be decoded by the underlying `TextDecoder`. */ get writable(): WritableStream<BufferSource>; }