1 files changed, 49 insertions, 0 deletions
diff --git a/packages/webapi/src/lib/Window.ts b/packages/webapi/src/lib/Window.ts
new file mode 100644
index 000000000..ac3312c93
--- /dev/null
+++ b/packages/webapi/src/lib/Window.ts
@@ -0,0 +1,49 @@
+import * as _ from './utils'
+
+export class Window extends EventTarget {
+	get self(): this {
+		return this
+	}
+
+	get top(): this {
+		return this
+	}
+
+	get window(): this {
+		return this
+	}
+
+	get innerHeight(): number {
+		return 0
+	}
+
+	get innerWidth(): number {
+		return 0
+	}
+
+	get scrollX(): number {
+		return 0
+	}
+
+	get scrollY(): number {
+		return 0
+	}
+}
+
+_.allowStringTag(Window)
+
+export const initWindow = (target: Target, exclude: Set<string>) => {
+	if (exclude.has('Window') || exclude.has('window')) return
+
+	target.window = target
+}
+
+export interface WindowInternals {
+	document: null
+	location: URL
+	window: this
+}
+
+interface Target extends Record<any, any> {
+	window: this
+}