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Updating added types for ReadableStreamReadDoneResult #1676

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Updating added types for ReadableStreamReadDoneResult #1676

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a667073
Updating added types for ReadableStreamReadDoneResult
kraenhansen Jan 21, 2024
e138a7d
Splitting "ReadableStreamReadResult" into "Default" and "BYOB"
kraenhansen Jan 21, 2024
94876a0
Comitting baselines
kraenhansen Jan 21, 2024
cc39996
Incorporated feedback
kraenhansen Jan 22, 2024
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23 changes: 15 additions & 8 deletions baselines/audioworklet.generated.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,16 @@ interface QueuingStrategyInit {
highWaterMark: number;
}

interface ReadableStreamBYOBReadDoneResult<T> {
done: true;
value: T | undefined;
}

interface ReadableStreamDefaultReadDoneResult {
done: true;
value: undefined;
}

interface ReadableStreamGetReaderOptions {
/**
* Creates a ReadableStreamBYOBReader and locks the stream to the new reader.
Expand All @@ -66,11 +76,6 @@ interface ReadableStreamGetReaderOptions {
mode?: ReadableStreamReaderMode;
}

interface ReadableStreamReadDoneResult<T> {
done: true;
value?: T;
}

interface ReadableStreamReadValueResult<T> {
done: false;
value: T;
Expand Down Expand Up @@ -775,7 +780,7 @@ declare var ReadableStream: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader) */
interface ReadableStreamBYOBReader extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/read) */
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamReadResult<T>>;
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamBYOBReadResult<T>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -820,7 +825,7 @@ declare var ReadableStreamDefaultController: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader) */
interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/read) */
read(): Promise<ReadableStreamReadResult<R>>;
read(): Promise<ReadableStreamDefaultReadResult<R>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -1408,8 +1413,10 @@ type BufferSource = ArrayBufferView | ArrayBuffer;
type DOMHighResTimeStamp = number;
type EventListenerOrEventListenerObject = EventListener | EventListenerObject;
type MessageEventSource = MessagePort;
type ReadableStreamBYOBReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamBYOBReadDoneResult<T>;
type ReadableStreamController<T> = ReadableStreamDefaultController<T> | ReadableByteStreamController;
type ReadableStreamReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>;
type ReadableStreamDefaultReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamDefaultReadDoneResult;
type ReadableStreamReadResult<T> = ReadableStreamDefaultReadResult<T> | ReadableStreamBYOBReadResult<T>;
type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBYOBReader;
type Transferable = MessagePort | ReadableStream | WritableStream | TransformStream | ArrayBuffer;
type CompressionFormat = "deflate" | "deflate-raw" | "gzip";
Expand Down
23 changes: 15 additions & 8 deletions baselines/dom.generated.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1610,6 +1610,16 @@ interface RTCTransportStats extends RTCStats {
tlsVersion?: string;
}

interface ReadableStreamBYOBReadDoneResult<T> {
done: true;
value: T | undefined;
}

interface ReadableStreamDefaultReadDoneResult {
done: true;
value: undefined;
}

interface ReadableStreamGetReaderOptions {
/**
* Creates a ReadableStreamBYOBReader and locks the stream to the new reader.
Expand All @@ -1619,11 +1629,6 @@ interface ReadableStreamGetReaderOptions {
mode?: ReadableStreamReaderMode;
}

interface ReadableStreamReadDoneResult<T> {
done: true;
value?: T;
}

interface ReadableStreamReadValueResult<T> {
done: false;
value: T;
Expand Down Expand Up @@ -18633,7 +18638,7 @@ declare var ReadableStream: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader) */
interface ReadableStreamBYOBReader extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/read) */
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamReadResult<T>>;
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamBYOBReadResult<T>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -18678,7 +18683,7 @@ declare var ReadableStreamDefaultController: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader) */
interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/read) */
read(): Promise<ReadableStreamReadResult<R>>;
read(): Promise<ReadableStreamDefaultReadResult<R>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -28203,8 +28208,10 @@ type OptionalPostfixToken<T extends string> = ` ${T}` | "";
type OptionalPrefixToken<T extends string> = `${T} ` | "";
type PerformanceEntryList = PerformanceEntry[];
type RTCRtpTransform = RTCRtpScriptTransform;
type ReadableStreamBYOBReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamBYOBReadDoneResult<T>;
type ReadableStreamController<T> = ReadableStreamDefaultController<T> | ReadableByteStreamController;
type ReadableStreamReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>;
type ReadableStreamDefaultReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamDefaultReadDoneResult;
type ReadableStreamReadResult<T> = ReadableStreamDefaultReadResult<T> | ReadableStreamBYOBReadResult<T>;
type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBYOBReader;
type RenderingContext = CanvasRenderingContext2D | ImageBitmapRenderingContext | WebGLRenderingContext | WebGL2RenderingContext;
type ReportList = Report[];
Expand Down
23 changes: 15 additions & 8 deletions baselines/serviceworker.generated.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -479,6 +479,16 @@ interface QueuingStrategyInit {
highWaterMark: number;
}

interface ReadableStreamBYOBReadDoneResult<T> {
done: true;
value: T | undefined;
}

interface ReadableStreamDefaultReadDoneResult {
done: true;
value: undefined;
}

interface ReadableStreamGetReaderOptions {
/**
* Creates a ReadableStreamBYOBReader and locks the stream to the new reader.
Expand All @@ -488,11 +498,6 @@ interface ReadableStreamGetReaderOptions {
mode?: ReadableStreamReaderMode;
}

interface ReadableStreamReadDoneResult<T> {
done: true;
value?: T;
}

interface ReadableStreamReadValueResult<T> {
done: false;
value: T;
Expand Down Expand Up @@ -4524,7 +4529,7 @@ declare var ReadableStream: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader) */
interface ReadableStreamBYOBReader extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/read) */
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamReadResult<T>>;
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamBYOBReadResult<T>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -4569,7 +4574,7 @@ declare var ReadableStreamDefaultController: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader) */
interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/read) */
read(): Promise<ReadableStreamReadResult<R>>;
read(): Promise<ReadableStreamDefaultReadResult<R>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -8575,8 +8580,10 @@ type OffscreenRenderingContext = OffscreenCanvasRenderingContext2D | ImageBitmap
type OnErrorEventHandler = OnErrorEventHandlerNonNull | null;
type PerformanceEntryList = PerformanceEntry[];
type PushMessageDataInit = BufferSource | string;
type ReadableStreamBYOBReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamBYOBReadDoneResult<T>;
type ReadableStreamController<T> = ReadableStreamDefaultController<T> | ReadableByteStreamController;
type ReadableStreamReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>;
type ReadableStreamDefaultReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamDefaultReadDoneResult;
type ReadableStreamReadResult<T> = ReadableStreamDefaultReadResult<T> | ReadableStreamBYOBReadResult<T>;
type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBYOBReader;
type ReportList = Report[];
type RequestInfo = Request | string;
Expand Down
23 changes: 15 additions & 8 deletions baselines/sharedworker.generated.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -445,6 +445,16 @@ interface QueuingStrategyInit {
highWaterMark: number;
}

interface ReadableStreamBYOBReadDoneResult<T> {
done: true;
value: T | undefined;
}

interface ReadableStreamDefaultReadDoneResult {
done: true;
value: undefined;
}

interface ReadableStreamGetReaderOptions {
/**
* Creates a ReadableStreamBYOBReader and locks the stream to the new reader.
Expand All @@ -454,11 +464,6 @@ interface ReadableStreamGetReaderOptions {
mode?: ReadableStreamReaderMode;
}

interface ReadableStreamReadDoneResult<T> {
done: true;
value?: T;
}

interface ReadableStreamReadValueResult<T> {
done: false;
value: T;
Expand Down Expand Up @@ -4358,7 +4363,7 @@ declare var ReadableStream: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader) */
interface ReadableStreamBYOBReader extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/read) */
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamReadResult<T>>;
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamBYOBReadResult<T>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -4403,7 +4408,7 @@ declare var ReadableStreamDefaultController: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader) */
interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/read) */
read(): Promise<ReadableStreamReadResult<R>>;
read(): Promise<ReadableStreamDefaultReadResult<R>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -8581,8 +8586,10 @@ type NamedCurve = string;
type OffscreenRenderingContext = OffscreenCanvasRenderingContext2D | ImageBitmapRenderingContext | WebGLRenderingContext | WebGL2RenderingContext;
type OnErrorEventHandler = OnErrorEventHandlerNonNull | null;
type PerformanceEntryList = PerformanceEntry[];
type ReadableStreamBYOBReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamBYOBReadDoneResult<T>;
type ReadableStreamController<T> = ReadableStreamDefaultController<T> | ReadableByteStreamController;
type ReadableStreamReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>;
type ReadableStreamDefaultReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamDefaultReadDoneResult;
type ReadableStreamReadResult<T> = ReadableStreamDefaultReadResult<T> | ReadableStreamBYOBReadResult<T>;
type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBYOBReader;
type ReportList = Report[];
type RequestInfo = Request | string;
Expand Down
23 changes: 15 additions & 8 deletions baselines/webworker.generated.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -523,6 +523,16 @@ interface RTCEncodedVideoFrameMetadata {
width?: number;
}

interface ReadableStreamBYOBReadDoneResult<T> {
done: true;
value: T | undefined;
}

interface ReadableStreamDefaultReadDoneResult {
done: true;
value: undefined;
}

interface ReadableStreamGetReaderOptions {
/**
* Creates a ReadableStreamBYOBReader and locks the stream to the new reader.
Expand All @@ -532,11 +542,6 @@ interface ReadableStreamGetReaderOptions {
mode?: ReadableStreamReaderMode;
}

interface ReadableStreamReadDoneResult<T> {
done: true;
value?: T;
}

interface ReadableStreamReadValueResult<T> {
done: false;
value: T;
Expand Down Expand Up @@ -4848,7 +4853,7 @@ declare var ReadableStream: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader) */
interface ReadableStreamBYOBReader extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/read) */
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamReadResult<T>>;
read<T extends ArrayBufferView>(view: T): Promise<ReadableStreamBYOBReadResult<T>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamBYOBReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -4893,7 +4898,7 @@ declare var ReadableStreamDefaultController: {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader) */
interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/read) */
read(): Promise<ReadableStreamReadResult<R>>;
read(): Promise<ReadableStreamDefaultReadResult<R>>;
/** [MDN Reference](https://developer.mozilla.org/docs/Web/API/ReadableStreamDefaultReader/releaseLock) */
releaseLock(): void;
}
Expand Down Expand Up @@ -9308,8 +9313,10 @@ type OffscreenRenderingContext = OffscreenCanvasRenderingContext2D | ImageBitmap
type OnErrorEventHandler = OnErrorEventHandlerNonNull | null;
type PerformanceEntryList = PerformanceEntry[];
type PushMessageDataInit = BufferSource | string;
type ReadableStreamBYOBReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamBYOBReadDoneResult<T>;
type ReadableStreamController<T> = ReadableStreamDefaultController<T> | ReadableByteStreamController;
type ReadableStreamReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>;
type ReadableStreamDefaultReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamDefaultReadDoneResult;
type ReadableStreamReadResult<T> = ReadableStreamDefaultReadResult<T> | ReadableStreamBYOBReadResult<T>;
type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBYOBReader;
type ReportList = Report[];
type RequestInfo = Request | string;
Expand Down
64 changes: 58 additions & 6 deletions inputfiles/addedTypes.jsonc
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Original file line number Diff line number Diff line change
Expand Up @@ -1287,8 +1287,25 @@
}
}
},
"ReadableStreamReadDoneResult": {
"name": "ReadableStreamReadDoneResult",
"ReadableStreamDefaultReadDoneResult": {
"name": "ReadableStreamDefaultReadDoneResult",
"members": {
"member": {
"done": {
"name": "done",
"overrideType": "true",
"required": true
},
"value": {
"name": "value",
"overrideType": "undefined",
"required": true
}
}
}
},
"ReadableStreamBYOBReadDoneResult": {
"name": "ReadableStreamBYOBReadDoneResult",
"typeParameters": [
{
"name": "T"
Expand All @@ -1303,7 +1320,8 @@
},
"value": {
"name": "value",
"overrideType": "T"
"overrideType": "T | undefined",
"required": true
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If we make value: T | undefined, should we also make it optional? Or does that not work well together with exactOptionalPropertyTypes?

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I don't think so, the spec is pretty clear that the value property would exist: https://streams.spec.whatwg.org/#default-reader-read

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That's for default readers. For BYOB readers, the spec is at https://streams.spec.whatwg.org/#byob-reader-read.

But still, that doesn't explain where chunk is coming from. When a stream is cancelled while it has a BYOB reader attached, ReadableStreamCancel resolves all pending read(view) promises with { done: true, value: undefined }:

  1. If reader is not undefined and reader implements ReadableStreamBYOBReader,
    6.3. For each readIntoRequest of readIntoRequests,
    6.3.1. Perform readIntoRequest’s close steps, given undefined.

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@kraenhansen kraenhansen Jan 23, 2024 •
edited
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You're right. Reading the spec you've linked to, it seems pretty explicit (list item 9) that the value property will be in the object returned from read, even from a ReadableStreamBYOBReader.

}
}
}
Expand Down Expand Up @@ -1521,7 +1539,7 @@
]
},
{
"name": "ReadableStreamReadResult",
"name": "ReadableStreamDefaultReadResult",
"typeParameters": [
{
"name": "T"
Expand All @@ -1532,10 +1550,44 @@
"type": "ReadableStreamReadValueResult"
},
{
"type": "ReadableStreamReadDoneResult"
"type": "ReadableStreamDefaultReadDoneResult"
}
],
"overrideType": "ReadableStreamReadValueResult<T> | ReadableStreamDefaultReadDoneResult"
},
{
"name": "ReadableStreamBYOBReadResult",
"typeParameters": [
{
"name": "T"
}
],
"type": [
{
"type": "ReadableStreamReadValueResult"
},
{
"type": "ReadableStreamBYOBReadDoneResult"
}
],
"overrideType": "ReadableStreamReadValueResult<T> | ReadableStreamBYOBReadDoneResult<T>"
},
{
"name": "ReadableStreamReadResult",
"typeParameters": [
{
"name": "T"
}
],
"type": [
{
"type": "ReadableStreamDefaultReadResult"
},
{
"type": "ReadableStreamBYOBReadResult"
}
],
"overrideType": "ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>"
"overrideType": "ReadableStreamDefaultReadResult<T> | ReadableStreamBYOBReadResult<T>"
},
{
"name": "EventListenerOrEventListenerObject",
Expand Down
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