import { NativeModule, registerWebModule } from "expo"; import { ChangeEventPayload } from "./MpvPlayer.types"; type MpvPlayerModuleEvents = { onChange: (params: ChangeEventPayload) => void; }; class MpvPlayerModule extends NativeModule { PI = Math.PI; async setValueAsync(value: string): Promise { this.emit("onChange", { value }); } hello() { return "Hello world! 👋"; } } export default registerWebModule(MpvPlayerModule, "MpvPlayerModule");