@phaserjs/phaser/scenes/Install.js

Phaser 4

import { GetConfigValue } from "./GetConfigValue";
import { SceneManagerInstance } from "./SceneManagerInstance";
import { WorldList } from "../world/WorldList";
export function Install(scene, config = {}) {
  const sceneManager = SceneManagerInstance.get();
  const size = sceneManager.scenes.size;
  const sceneIndex = sceneManager.sceneIndex;
  const firstScene = size === 0;
  if (typeof config === "string") {
    scene.key = config;
  } else if (config || !config && firstScene) {
    scene.key = GetConfigValue(config, "key", "scene" + sceneIndex.toString());
  }
  if (sceneManager.scenes.has(scene.key)) {
    console.warn("Scene key already in use: " + scene.key);
  } else {
    sceneManager.scenes.set(scene.key, scene);
    sceneManager.flush = true;
    sceneManager.sceneIndex++;
  }
  WorldList.set(scene, []);
}