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lib: use kEmptyObject and update JSDoc in webstreams #46183

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merged 1 commit into from
Jan 15, 2023
Merged

lib: use kEmptyObject and update JSDoc in webstreams #46183

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11 changes: 1 addition & 10 deletions lib/internal/webstreams/readablestream.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1105,16 +1105,7 @@ class ReadableByteStreamController {
enqueue(chunk) {
if (!isReadableByteStreamController(this))
throw new ERR_INVALID_THIS('ReadableByteStreamController');
if (!isArrayBufferView(chunk)) {
throw new ERR_INVALID_ARG_TYPE(
'chunk',
[
'Buffer',
'TypedArray',
'DataView',
],
chunk);
}
validateBuffer(chunk);
const chunkByteLength = ArrayBufferViewGetByteLength(chunk);
const chunkBuffer = ArrayBufferViewGetBuffer(chunk);
const chunkBufferByteLength = ArrayBufferPrototypeGetByteLength(chunkBuffer);
Expand Down
9 changes: 5 additions & 4 deletions lib/internal/webstreams/transformstream.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ const {
const {
createDeferredPromise,
customInspectSymbol: kInspect,
kEmptyObject,
kEnumerableProperty,
} = require('internal/util');

Expand Down Expand Up @@ -117,8 +118,8 @@ class TransformStream {
*/
constructor(
transformer = null,
writableStrategy = {},
readableStrategy = {}) {
writableStrategy = kEmptyObject,
readableStrategy = kEmptyObject) {
const readableType = transformer?.readableType;
const writableType = transformer?.writableType;
const start = transformer?.start;
Expand Down Expand Up @@ -292,7 +293,7 @@ class TransformStreamDefaultController {
}

/**
* @param {any} chunk
* @param {any} [chunk]
*/
enqueue(chunk = undefined) {
if (!isTransformStreamDefaultController(this))
Expand All @@ -301,7 +302,7 @@ class TransformStreamDefaultController {
}

/**
* @param {any} reason
* @param {any} [reason]
*/
error(reason = undefined) {
if (!isTransformStreamDefaultController(this))
Expand Down
7 changes: 4 additions & 3 deletions lib/internal/webstreams/writablestream.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ const {
const {
createDeferredPromise,
customInspectSymbol: kInspect,
kEmptyObject,
kEnumerableProperty,
} = require('internal/util');

Expand Down Expand Up @@ -133,7 +134,7 @@ class WritableStream {
* @param {UnderlyingSink} [sink]
* @param {QueuingStrategy} [strategy]
*/
constructor(sink = null, strategy = {}) {
constructor(sink = null, strategy = kEmptyObject) {
const type = sink?.type;
if (type !== undefined)
throw new ERR_INVALID_ARG_VALUE.RangeError('type', type);
Expand Down Expand Up @@ -202,7 +203,7 @@ class WritableStream {
}

/**
* @param {any} reason
* @param {any} [reason]
* @returns {Promise<void>}
*/
abort(reason = undefined) {
Expand Down Expand Up @@ -460,7 +461,7 @@ class WritableStreamDefaultWriter {
}

/**
* @param {any} chunk
* @param {any} [chunk]
* @returns {Promise<void>}
*/
write(chunk = undefined) {
Expand Down