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Code Issues Packages 1 Wiki Activity

fix(streams): add support Float64Array to ReadableStreamByobReader (#18188)

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Kenta Moriuchi 2023-03-27 22:28:52 +09:00 committed by GitHub
parent d1a9c4cd7c
commit 2b389ecf62
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1 changed files with 81 additions and 30 deletions
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111
ext/web/06_streams.js
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@ -25,13 +25,18 @@ const {
ArrayPrototypePush,
ArrayPrototypeShift,
AsyncGeneratorPrototype,
BigInt64ArrayPrototype,
BigUint64ArrayPrototype,
BigInt64Array,
BigUint64Array,
DataView,
DataViewPrototypeGetBuffer,
DataViewPrototypeGetByteLength,
DataViewPrototypeGetByteOffset,
Float32Array,
Float64Array,
FinalizationRegistry,
Int8ArrayPrototype,
Int16ArrayPrototype,
Int32ArrayPrototype,
Int8Array,
Int16Array,
Int32Array,
NumberIsInteger,
NumberIsNaN,
MathMin,
@ -57,12 +62,15 @@ const {
SymbolAsyncIterator,
SymbolFor,
TypeError,
TypedArrayPrototypeGetBuffer,
TypedArrayPrototypeGetByteLength,
TypedArrayPrototypeGetByteOffset,
TypedArrayPrototypeGetSymbolToStringTag,
TypedArrayPrototypeSet,
Uint8Array,
Uint8ArrayPrototype,
Uint16ArrayPrototype,
Uint32ArrayPrototype,
Uint8ClampedArrayPrototype,
Uint16Array,
Uint32Array,
Uint8ClampedArray,
WeakMap,
WeakMapPrototypeGet,
WeakMapPrototypeHas,
@ -855,7 +863,7 @@ async function readableStreamCollectIntoUint8Array(stream) {
if (done) break;
if (!ObjectPrototypeIsPrototypeOf(Uint8ArrayPrototype, chunk)) {
if (TypedArrayPrototypeGetSymbolToStringTag(chunk) !== "Uint8Array") {
throw new TypeError(
"Can't convert value to Uint8Array while consuming the stream",
);
@ -1669,31 +1677,74 @@ function readableByteStreamControllerPullInto(
readIntoRequest,
) {
const stream = controller[_stream];
let elementSize = 1;
let ctor = DataView;
if (
ObjectPrototypeIsPrototypeOf(Int8ArrayPrototype, view) ||
ObjectPrototypeIsPrototypeOf(Uint8ArrayPrototype, view) ||
ObjectPrototypeIsPrototypeOf(Uint8ClampedArrayPrototype, view) ||
ObjectPrototypeIsPrototypeOf(Int16ArrayPrototype, view) ||
ObjectPrototypeIsPrototypeOf(Uint16ArrayPrototype, view) ||
ObjectPrototypeIsPrototypeOf(Int32ArrayPrototype, view) ||
ObjectPrototypeIsPrototypeOf(Uint32ArrayPrototype, view) ||
ObjectPrototypeIsPrototypeOf(BigInt64ArrayPrototype, view) ||
ObjectPrototypeIsPrototypeOf(BigUint64ArrayPrototype, view)
) {
elementSize = view.constructor.BYTES_PER_ELEMENT;
ctor = view.constructor;
}
const byteOffset = view.byteOffset;
const byteLength = view.byteLength;
let ctor;
/** @type {number} */
let elementSize;
/** @type {ArrayBufferLike} */
let buffer;
/** @type {number} */
let byteLength;
/** @type {number} */
let byteOffset;
const tag = TypedArrayPrototypeGetSymbolToStringTag(view);
if (tag === undefined) {
ctor = DataView;
elementSize = 1;
buffer = DataViewPrototypeGetBuffer(/** @type {DataView} */ (view));
byteLength = DataViewPrototypeGetByteLength(/** @type {DataView} */ (view));
byteOffset = DataViewPrototypeGetByteOffset(/** @type {DataView} */ (view));
} else {
switch (tag) {
case "Int8Array":
ctor = Int8Array;
break;
case "Uint8Array":
ctor = Uint8Array;
break;
case "Uint8ClampedArray":
ctor = Uint8ClampedArray;
break;
case "Int16Array":
ctor = Int16Array;
break;
case "Uint16Array":
ctor = Uint16Array;
break;
case "Int32Array":
ctor = Int32Array;
break;
case "Uint32Array":
ctor = Uint32Array;
break;
case "Float32Array":
ctor = Float32Array;
break;
case "Float64Array":
ctor = Float64Array;
break;
case "BigInt64Array":
ctor = BigInt64Array;
break;
case "BigUint64Array":
ctor = BigUint64Array;
break;
default:
throw new TypeError("unreachable");
}
elementSize = ctor.BYTES_PER_ELEMENT;
buffer = TypedArrayPrototypeGetBuffer(/** @type {Uint8Array} */ (view));
byteLength = TypedArrayPrototypeGetByteLength(
/** @type {Uint8Array} */ (view),
);
byteOffset = TypedArrayPrototypeGetByteOffset(
/** @type {Uint8Array} */ (view),
);
}
try {
buffer = transferArrayBuffer(view.buffer);
buffer = transferArrayBuffer(buffer);
} catch (e) {
readIntoRequest.errorSteps(e);
return;