Method registerAddon

src/core/main.js:158–175

(addon)

  static _registeredAddons = new Set();
  static registerAddon(addon) {
    const lifecycles = {};

    // Don't re-register an addon. This allows addons
    // to register dependency addons without worrying about
    // them getting double-added.
    if (p5._registeredAddons.has(addon)) return;
    p5._registeredAddons.add(addon);

    addon(p5, p5.prototype, lifecycles);

    const validLifecycles = Object.keys(p5.lifecycleHooks);
    for(const name of validLifecycles){
      if(typeof lifecycles[name] === 'function'){
        p5.lifecycleHooks[name].push(lifecycles[name]);
      }
    }
  }

  static decorations = new Map();
  static registerDecorator(pattern, decoration){