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137 lines
4.8 KiB
TypeScript
137 lines
4.8 KiB
TypeScript
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// TODO reenable this code when we enable writableStreams and transport types
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// // Forked from https://github.com/stardazed/sd-streams/tree/8928cf04b035fd02fb1340b7eb541c76be37e546
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// // Copyright (c) 2018-Present by Arthur Langereis - @zenmumbler MIT
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// /**
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// * streams/writable-stream-default-writer - WritableStreamDefaultWriter class implementation
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// * Part of Stardazed
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// * (c) 2018-Present by Arthur Langereis - @zenmumbler
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// * https://github.com/stardazed/sd-streams
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// */
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// import * as ws from "./writable-internals.ts";
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// import * as shared from "./shared-internals.ts";
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// export class WritableStreamDefaultWriter<InputType>
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// implements ws.WritableStreamDefaultWriter<InputType> {
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// [ws.ownerWritableStream_]: ws.WritableStream<InputType> | undefined;
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// [ws.readyPromise_]: shared.ControlledPromise<void>;
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// [ws.closedPromise_]: shared.ControlledPromise<void>;
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// constructor(stream: ws.WritableStream<InputType>) {
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// if (!ws.isWritableStream(stream)) {
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// throw new TypeError();
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// }
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// if (ws.isWritableStreamLocked(stream)) {
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// throw new TypeError("Stream is already locked");
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// }
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// this[ws.ownerWritableStream_] = stream;
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// stream[ws.writer_] = this;
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// const readyPromise = shared.createControlledPromise<void>();
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// const closedPromise = shared.createControlledPromise<void>();
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// this[ws.readyPromise_] = readyPromise;
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// this[ws.closedPromise_] = closedPromise;
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// const state = stream[shared.state_];
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// if (state === "writable") {
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// if (
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// !ws.writableStreamCloseQueuedOrInFlight(stream) &&
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// stream[ws.backpressure_]
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// ) {
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// // OK Set this.[[readyPromise]] to a new promise.
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// } else {
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// readyPromise.resolve(undefined);
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// }
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// // OK Set this.[[closedPromise]] to a new promise.
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// } else if (state === "erroring") {
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// readyPromise.reject(stream[shared.storedError_]);
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// readyPromise.promise.catch(() => {});
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// // OK Set this.[[closedPromise]] to a new promise.
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// } else if (state === "closed") {
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// readyPromise.resolve(undefined);
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// closedPromise.resolve(undefined);
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// } else {
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// // Assert: state is "errored".
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// const storedError = stream[shared.storedError_];
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// readyPromise.reject(storedError);
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// readyPromise.promise.catch(() => {});
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// closedPromise.reject(storedError);
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// closedPromise.promise.catch(() => {});
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// }
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// }
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// abort(reason: shared.ErrorResult): Promise<void> {
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// if (!ws.isWritableStreamDefaultWriter(this)) {
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// return Promise.reject(new TypeError());
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// }
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// if (this[ws.ownerWritableStream_] === undefined) {
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// return Promise.reject(
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// new TypeError("Writer is not connected to a stream")
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// );
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// }
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// return ws.writableStreamDefaultWriterAbort(this, reason);
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// }
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// close(): Promise<void> {
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// if (!ws.isWritableStreamDefaultWriter(this)) {
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// return Promise.reject(new TypeError());
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// }
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// const stream = this[ws.ownerWritableStream_];
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// if (stream === undefined) {
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// return Promise.reject(
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// new TypeError("Writer is not connected to a stream")
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// );
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// }
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// if (ws.writableStreamCloseQueuedOrInFlight(stream)) {
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// return Promise.reject(new TypeError());
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// }
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// return ws.writableStreamDefaultWriterClose(this);
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// }
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// releaseLock(): void {
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// const stream = this[ws.ownerWritableStream_];
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// if (stream === undefined) {
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// return;
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// }
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// // Assert: stream.[[writer]] is not undefined.
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// ws.writableStreamDefaultWriterRelease(this);
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// }
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// write(chunk: InputType): Promise<void> {
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// if (!ws.isWritableStreamDefaultWriter(this)) {
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// return Promise.reject(new TypeError());
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// }
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// if (this[ws.ownerWritableStream_] === undefined) {
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// return Promise.reject(
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// new TypeError("Writer is not connected to a stream")
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// );
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// }
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// return ws.writableStreamDefaultWriterWrite(this, chunk);
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// }
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// get closed(): Promise<void> {
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// if (!ws.isWritableStreamDefaultWriter(this)) {
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// return Promise.reject(new TypeError());
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// }
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// return this[ws.closedPromise_].promise;
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// }
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// get desiredSize(): number | null {
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// if (!ws.isWritableStreamDefaultWriter(this)) {
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// throw new TypeError();
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// }
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// if (this[ws.ownerWritableStream_] === undefined) {
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// throw new TypeError("Writer is not connected to stream");
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// }
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// return ws.writableStreamDefaultWriterGetDesiredSize(this);
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// }
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// get ready(): Promise<void> {
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// if (!ws.isWritableStreamDefaultWriter(this)) {
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// return Promise.reject(new TypeError());
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// }
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// return this[ws.readyPromise_].promise;
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// }
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// }
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