Make chunk param of WritableStreamDefaultWriter.write non-optional

ikeyan · ikeyan · commit f977eace27ff · 2026-03-17T23:37:25.000+09:00
diff --git a/baselines/audioworklet.generated.d.ts b/baselines/audioworklet.generated.d.ts
@@ -1537,7 +1537,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
@@ -42094,7 +42094,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
@@ -12766,7 +12766,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
@@ -12305,7 +12305,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/audioworklet.generated.d.ts b/baselines/ts5.5/audioworklet.generated.d.ts
@@ -1534,7 +1534,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
@@ -42068,7 +42068,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/serviceworker.generated.d.ts b/baselines/ts5.5/serviceworker.generated.d.ts
@@ -12763,7 +12763,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/sharedworker.generated.d.ts b/baselines/ts5.5/sharedworker.generated.d.ts
@@ -12302,7 +12302,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.5/webworker.generated.d.ts b/baselines/ts5.5/webworker.generated.d.ts
@@ -14251,7 +14251,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/audioworklet.generated.d.ts b/baselines/ts5.6/audioworklet.generated.d.ts
@@ -1534,7 +1534,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/dom.generated.d.ts b/baselines/ts5.6/dom.generated.d.ts
@@ -42091,7 +42091,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/serviceworker.generated.d.ts b/baselines/ts5.6/serviceworker.generated.d.ts
@@ -12763,7 +12763,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/sharedworker.generated.d.ts b/baselines/ts5.6/sharedworker.generated.d.ts
@@ -12302,7 +12302,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.6/webworker.generated.d.ts b/baselines/ts5.6/webworker.generated.d.ts
@@ -14251,7 +14251,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/audioworklet.generated.d.ts b/baselines/ts5.9/audioworklet.generated.d.ts
@@ -1534,7 +1534,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/dom.generated.d.ts b/baselines/ts5.9/dom.generated.d.ts
@@ -42091,7 +42091,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/serviceworker.generated.d.ts b/baselines/ts5.9/serviceworker.generated.d.ts
@@ -12763,7 +12763,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/sharedworker.generated.d.ts b/baselines/ts5.9/sharedworker.generated.d.ts
@@ -12302,7 +12302,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/ts5.9/webworker.generated.d.ts b/baselines/ts5.9/webworker.generated.d.ts
@@ -14251,7 +14251,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
@@ -14254,7 +14254,7 @@ interface WritableStreamDefaultWriter<W = any> {
      *
      * [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)
      */
-    write(chunk?: W): Promise<void>;
+    write(chunk: W): Promise<void>;
 }
 
 declare var WritableStreamDefaultWriter: {
diff --git a/inputfiles/overridingTypes.jsonc b/inputfiles/overridingTypes.jsonc

Original file line number	Diff line number	Diff line change
`@@ -1537,7 +1537,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`1537`	`1537`	`*`
`1538`	`1538`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`1539`	`1539`	`*/`
`1540`		`- write(chunk?: W): Promise<void>;`
	`1540`	`+ write(chunk: W): Promise<void>;`
`1541`	`1541`	`}`
`1542`	`1542`
`1543`	`1543`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -42094,7 +42094,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`42094`	`42094`	`*`
`42095`	`42095`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`42096`	`42096`	`*/`
`42097`		`- write(chunk?: W): Promise<void>;`
	`42097`	`+ write(chunk: W): Promise<void>;`
`42098`	`42098`	`}`
`42099`	`42099`
`42100`	`42100`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -12766,7 +12766,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`12766`	`12766`	`*`
`12767`	`12767`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`12768`	`12768`	`*/`
`12769`		`- write(chunk?: W): Promise<void>;`
	`12769`	`+ write(chunk: W): Promise<void>;`
`12770`	`12770`	`}`
`12771`	`12771`
`12772`	`12772`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -12305,7 +12305,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`12305`	`12305`	`*`
`12306`	`12306`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`12307`	`12307`	`*/`
`12308`		`- write(chunk?: W): Promise<void>;`
	`12308`	`+ write(chunk: W): Promise<void>;`
`12309`	`12309`	`}`
`12310`	`12310`
`12311`	`12311`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -1534,7 +1534,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`1534`	`1534`	`*`
`1535`	`1535`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`1536`	`1536`	`*/`
`1537`		`- write(chunk?: W): Promise<void>;`
	`1537`	`+ write(chunk: W): Promise<void>;`
`1538`	`1538`	`}`
`1539`	`1539`
`1540`	`1540`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -42068,7 +42068,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`42068`	`42068`	`*`
`42069`	`42069`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`42070`	`42070`	`*/`
`42071`		`- write(chunk?: W): Promise<void>;`
	`42071`	`+ write(chunk: W): Promise<void>;`
`42072`	`42072`	`}`
`42073`	`42073`
`42074`	`42074`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -12763,7 +12763,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`12763`	`12763`	`*`
`12764`	`12764`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`12765`	`12765`	`*/`
`12766`		`- write(chunk?: W): Promise<void>;`
	`12766`	`+ write(chunk: W): Promise<void>;`
`12767`	`12767`	`}`
`12768`	`12768`
`12769`	`12769`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -12302,7 +12302,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`12302`	`12302`	`*`
`12303`	`12303`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`12304`	`12304`	`*/`
`12305`		`- write(chunk?: W): Promise<void>;`
	`12305`	`+ write(chunk: W): Promise<void>;`
`12306`	`12306`	`}`
`12307`	`12307`
`12308`	`12308`	`declare var WritableStreamDefaultWriter: {`
Original file line number	Diff line number	Diff line change
`@@ -14251,7 +14251,7 @@ interface WritableStreamDefaultWriter<W = any> {`
`14251`	`14251`	`*`
`14252`	`14252`	`* [MDN Reference](https://developer.mozilla.org/docs/Web/API/WritableStreamDefaultWriter/write)`
`14253`	`14253`	`*/`
`14254`		`- write(chunk?: W): Promise<void>;`
	`14254`	`+ write(chunk: W): Promise<void>;`
`14255`	`14255`	`}`
`14256`	`14256`
`14257`	`14257`	`declare var WritableStreamDefaultWriter: {`