Add overloads for specific context types to OffscreenCanvas.getContext (#1474)

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

Author: StenAL

baselines/dom.generated.d.ts

@@ -10560,6 +10560,10 @@ interface OffscreenCanvas extends EventTarget {
      *
      * Returns null if the canvas has already been initialized with another context type (e.g., trying to get a "2d" context after getting a "webgl" context).
      */
+    getContext(contextId: "2d", options?: any): OffscreenCanvasRenderingContext2D | null;
+    getContext(contextId: "bitmaprenderer", options?: any): ImageBitmapRenderingContext | null;
+    getContext(contextId: "webgl", options?: any): WebGLRenderingContext | null;
+    getContext(contextId: "webgl2", options?: any): WebGL2RenderingContext | null;
     getContext(contextId: OffscreenRenderingContextId, options?: any): OffscreenRenderingContext | null;
     /** Returns a newly created ImageBitmap object with the image in the OffscreenCanvas object. The image in the OffscreenCanvas object is replaced with a new blank image. */
     transferToImageBitmap(): ImageBitmap;

baselines/serviceworker.generated.d.ts

@@ -2512,6 +2512,10 @@ interface OffscreenCanvas extends EventTarget {
      *
      * Returns null if the canvas has already been initialized with another context type (e.g., trying to get a "2d" context after getting a "webgl" context).
      */
+    getContext(contextId: "2d", options?: any): OffscreenCanvasRenderingContext2D | null;
+    getContext(contextId: "bitmaprenderer", options?: any): ImageBitmapRenderingContext | null;
+    getContext(contextId: "webgl", options?: any): WebGLRenderingContext | null;
+    getContext(contextId: "webgl2", options?: any): WebGL2RenderingContext | null;
     getContext(contextId: OffscreenRenderingContextId, options?: any): OffscreenRenderingContext | null;
     /** Returns a newly created ImageBitmap object with the image in the OffscreenCanvas object. The image in the OffscreenCanvas object is replaced with a new blank image. */
     transferToImageBitmap(): ImageBitmap;

baselines/sharedworker.generated.d.ts

@@ -2420,6 +2420,10 @@ interface OffscreenCanvas extends EventTarget {
      *
      * Returns null if the canvas has already been initialized with another context type (e.g., trying to get a "2d" context after getting a "webgl" context).
      */
+    getContext(contextId: "2d", options?: any): OffscreenCanvasRenderingContext2D | null;
+    getContext(contextId: "bitmaprenderer", options?: any): ImageBitmapRenderingContext | null;
+    getContext(contextId: "webgl", options?: any): WebGLRenderingContext | null;
+    getContext(contextId: "webgl2", options?: any): WebGL2RenderingContext | null;
     getContext(contextId: OffscreenRenderingContextId, options?: any): OffscreenRenderingContext | null;
     /** Returns a newly created ImageBitmap object with the image in the OffscreenCanvas object. The image in the OffscreenCanvas object is replaced with a new blank image. */
     transferToImageBitmap(): ImageBitmap;

baselines/webworker.generated.d.ts

@@ -2607,6 +2607,10 @@ interface OffscreenCanvas extends EventTarget {
      *
      * Returns null if the canvas has already been initialized with another context type (e.g., trying to get a "2d" context after getting a "webgl" context).
      */
+    getContext(contextId: "2d", options?: any): OffscreenCanvasRenderingContext2D | null;
+    getContext(contextId: "bitmaprenderer", options?: any): ImageBitmapRenderingContext | null;
+    getContext(contextId: "webgl", options?: any): WebGLRenderingContext | null;
+    getContext(contextId: "webgl2", options?: any): WebGL2RenderingContext | null;
     getContext(contextId: OffscreenRenderingContextId, options?: any): OffscreenRenderingContext | null;
     /** Returns a newly created ImageBitmap object with the image in the OffscreenCanvas object. The image in the OffscreenCanvas object is replaced with a new blank image. */
     transferToImageBitmap(): ImageBitmap;

inputfiles/overridingTypes.jsonc

@@ -1136,6 +1136,20 @@
                     }
                 }
             },
+            "OffscreenCanvas": {
+                "methods": {
+                    "method": {
+                        "getContext": {
+                            "additionalSignatures": [
+                                "getContext(contextId: \"2d\", options?: any): OffscreenCanvasRenderingContext2D | null",
+                                "getContext(contextId: \"bitmaprenderer\", options?: any): ImageBitmapRenderingContext | null",
+                                "getContext(contextId: \"webgl\", options?: any): WebGLRenderingContext | null",
+                                "getContext(contextId: \"webgl2\", options?: any): WebGL2RenderingContext | null"
+                            ]
+                        }
+                    }
+                }
+            },
             "BeforeUnloadEvent": {
                 "properties": {
                     "property": {