add automation for Transferable (#1378)

Co-authored-by: saschanaz <[email protected]>

Author: mathe42

baselines/audioworklet.generated.d.ts

@@ -1022,6 +1022,6 @@ type PerformanceEntryList = PerformanceEntry[];
 type ReadableStreamController<T> = ReadableStreamDefaultController<T> | ReadableByteStreamController;
 type ReadableStreamReadResult<T> = ReadableStreamReadValueResult<T> | ReadableStreamReadDoneResult<T>;
 type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBYOBReader;
-type Transferable = ArrayBuffer | MessagePort;
+type Transferable = MessagePort | ReadableStream | WritableStream | TransformStream | ArrayBuffer;
 type ReadableStreamReaderMode = "byob";
 type ReadableStreamType = "bytes";

baselines/dom.generated.d.ts

@@ -18146,7 +18146,7 @@ type RenderingContext = CanvasRenderingContext2D | ImageBitmapRenderingContext |
 type RequestInfo = Request | string;
 type TexImageSource = ImageBitmap | ImageData | HTMLImageElement | HTMLCanvasElement | HTMLVideoElement;
 type TimerHandler = string | Function;
-type Transferable = ArrayBuffer | MessagePort | ImageBitmap;
+type Transferable = ImageBitmap | MessagePort | ReadableStream | WritableStream | TransformStream | ArrayBuffer;
 type Uint32List = Uint32Array | GLuint[];
 type UvmEntries = UvmEntry[];
 type UvmEntry = number[];

baselines/serviceworker.generated.d.ts

@@ -5623,7 +5623,7 @@ type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBY
 type RequestInfo = Request | string;
 type TexImageSource = ImageBitmap | ImageData | OffscreenCanvas;
 type TimerHandler = string | Function;
-type Transferable = ArrayBuffer | MessagePort | ImageBitmap;
+type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | ReadableStream | WritableStream | TransformStream | ArrayBuffer;
 type Uint32List = Uint32Array | GLuint[];
 type VibratePattern = number | number[];
 type XMLHttpRequestBodyInit = Blob | BufferSource | FormData | URLSearchParams | string;

baselines/sharedworker.generated.d.ts

@@ -5633,7 +5633,7 @@ type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBY
 type RequestInfo = Request | string;
 type TexImageSource = ImageBitmap | ImageData | OffscreenCanvas;
 type TimerHandler = string | Function;
-type Transferable = ArrayBuffer | MessagePort | ImageBitmap;
+type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | ReadableStream | WritableStream | TransformStream | ArrayBuffer;
 type Uint32List = Uint32Array | GLuint[];
 type VibratePattern = number | number[];
 type XMLHttpRequestBodyInit = Blob | BufferSource | FormData | URLSearchParams | string;

baselines/webworker.generated.d.ts

@@ -5927,7 +5927,7 @@ type ReadableStreamReader<T> = ReadableStreamDefaultReader<T> | ReadableStreamBY
 type RequestInfo = Request | string;
 type TexImageSource = ImageBitmap | ImageData | OffscreenCanvas;
 type TimerHandler = string | Function;
-type Transferable = ArrayBuffer | MessagePort | ImageBitmap;
+type Transferable = OffscreenCanvas | ImageBitmap | MessagePort | ReadableStream | WritableStream | TransformStream | ArrayBuffer;
 type Uint32List = Uint32Array | GLuint[];
 type VibratePattern = number | number[];
 type XMLHttpRequestBodyInit = Blob | BufferSource | FormData | URLSearchParams | string;

inputfiles/addedTypes.jsonc

@@ -1288,14 +1288,6 @@
                 "name": "MutationRecordType",
                 "overrideType": "\"attributes\" | \"characterData\" | \"childList\""
             },
-            {
-                "name": "Transferable",
-                "type": [
-                    { "type": "ArrayBuffer" },
-                    { "type": "MessagePort" },
-                    { "type": "ImageBitmap" }
-                ]
-            },
             {
                 "name": "WindowProxy",
                 "type": "Window"

src/build.ts

@@ -103,6 +103,20 @@ async function emitDom() {
     await Promise.all([...(await getWebidls()).entries()].map(convertWidl))
   ).filter((i) => i) as ReturnType<typeof convert>[];
 
+  const transferables = widlStandardTypes.flatMap((st) => {
+    return Object.values(st.browser.interfaces?.interface ?? {}).filter(
+      (i) => i.transferable
+    );
+  });
+
+  addedItems.typedefs.typedef.push({
+    name: "Transferable",
+    type: [
+      ...transferables.map((v) => ({ type: v.name })),
+      { type: "ArrayBuffer" },
+    ],
+  });
+
   async function convertWidl([shortName, idl]: string[]) {
     let commentsMap: Record<string, string>;
     try {

src/build/types.d.ts

@@ -194,6 +194,7 @@ export interface Interface {
   };
   deprecated?: boolean | string;
   secureContext?: boolean;
+  transferable?: boolean;
 }
 
 export interface Iterator {

src/build/widlprocess.ts

@@ -162,6 +162,7 @@ function convertInterfaceCommon(
     legacyWindowAlias: getExtAttr(i.extAttrs, "LegacyWindowAlias"),
     legacyNamespace: getExtAttr(i.extAttrs, "LegacyNamespace")[0],
     secureContext: hasExtAttr(i.extAttrs, "SecureContext"),
+    transferable: hasExtAttr(i.extAttrs, "Transferable"),
   };
   if (!result.exposed && i.type === "interface" && !i.partial) {
     result.exposed = "Window";