@i-xi-dev/base64
Version:
A JavaScript Base64 encoder and decoder, implements Forgiving base64 defined in WHATWG Infra Standard.
118 lines (117 loc) • 5.38 kB
JavaScript
var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
if (kind === "m") throw new TypeError("Private method is not writable");
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
import { _TransformStream } from "../deps.js";
// The byte encoding
export var BytesEncoding;
(function (BytesEncoding) {
var _DecoderStream_stream, _EncoderStream_stream;
/**
* The `BytesEncoding.DecoderStream` converts a stream of string into byte sequence.
*/
class DecoderStream {
constructor(decoder, regulator) {
_DecoderStream_stream.set(this, void 0);
__classPrivateFieldSet(this, _DecoderStream_stream, new _TransformStream(DecoderStream._createTransformer(decoder, regulator)), "f");
}
static _createTransformer(decoder, regulator) {
return {
transform(chunk, controller) {
try {
const toDecode = regulator.regulate(chunk);
const decoded = decoder.decode(toDecode);
controller.enqueue(decoded);
}
catch (exception) {
controller.error(exception);
}
},
flush(controller) {
try {
const toDecode = regulator.flush();
if (toDecode.length > 0) {
const decoded = decoder.decode(toDecode);
controller.enqueue(decoded);
}
}
catch (exception) {
controller.error(exception);
}
},
};
}
/**
* @see [TransformStream.writable](https://developer.mozilla.org/en-US/docs/Web/API/TransformStream/writable)
*/
get writable() {
return __classPrivateFieldGet(this, _DecoderStream_stream, "f").writable;
}
/**
* @see [TransformStream.readable](https://developer.mozilla.org/en-US/docs/Web/API/TransformStream/readable)
*/
get readable() {
return __classPrivateFieldGet(this, _DecoderStream_stream, "f").readable;
}
}
_DecoderStream_stream = new WeakMap();
BytesEncoding.DecoderStream = DecoderStream;
Object.freeze(DecoderStream);
/**
* The `BytesEncoding.EncoderStream` converts a stream of byte sequence into string.
*/
class EncoderStream {
constructor(encoder, regulator) {
_EncoderStream_stream.set(this, void 0);
__classPrivateFieldSet(this, _EncoderStream_stream, new _TransformStream(EncoderStream._createTransformer(encoder, regulator)), "f");
}
static _createTransformer(encoder, regulator) {
return {
transform(chunk, controller) {
try {
const toEncode = regulator.regulate(chunk);
const encoded = encoder.encode(toEncode);
controller.enqueue(encoded);
}
catch (exception) {
controller.error(exception);
}
},
flush(controller) {
try {
const toEncode = regulator.flush();
if (toEncode.length > 0) {
const encoded = encoder.encode(toEncode);
controller.enqueue(encoded);
}
}
catch (exception) {
controller.error(exception);
}
},
};
}
/**
* @see [TransformStream.writable](https://developer.mozilla.org/en-US/docs/Web/API/TransformStream/writable)
*/
get writable() {
return __classPrivateFieldGet(this, _EncoderStream_stream, "f").writable;
}
/**
* @see [TransformStream.readable](https://developer.mozilla.org/en-US/docs/Web/API/TransformStream/readable)
*/
get readable() {
return __classPrivateFieldGet(this, _EncoderStream_stream, "f").readable;
}
}
_EncoderStream_stream = new WeakMap();
BytesEncoding.EncoderStream = EncoderStream;
Object.freeze(EncoderStream);
})(BytesEncoding || (BytesEncoding = {}));