นำ Co-Doing API ไปใช้

const session = await window.meet.addon.createAddonSession({
    cloudProjectNumber: "CLOUD_PROJECT_NUMBER",
});

interface MyState {
  someString: string;
  someNumber: number;
}

/**
 * Serialize/deserialize using JSON.stringify
 * You can use any method you want; this is included for as an example
 */
function toBytes(state: MyState): Uint8Array {
  return new TextEncoder().encode(JSON.stringify(state));
}

function fromBytes(bytes: Uint8Array): MyState {
  return JSON.parse(new TextDecoder().decode(bytes)) as MyState;
}

  const coDoingClient = await addonSession.createCoDoingClient({
    activityTitle: "ACTIVITY_TITLE",
    onCoDoingStateChanged(coDoingState: CoDoingState) {
      const newState = fromBytes(coDoingState.bytes);
      // This function should apply the new state to your ongoing CoDoing activity
    },
  });

const myState: MyState = {
  someString: "SOME_STRING",
  someNumber: 0
};

document.getElementById('some-button').onClick(() => {
  myState.someNumber = myState.someNumber + 1;
  coDoingClient.broadcastStateUpdate({ bytes: toBytes(myState) });
});