koreezgames/phaser3-ninepatch-plugin

import { NinePatch } from "./ninepatch/NinePatch";

export class NinePatchPlugin extends Phaser.Plugins.BasePlugin {
    constructor(pluginManager: Phaser.Plugins.PluginManager) {
        super(pluginManager);

        pluginManager.game.cache.addCustom("ninePatch");

        //  Register our new Game Object type
        pluginManager.registerGameObject("ninePatch", this.ninePatchFactory, this.ninePatchCreator);
    }

    private ninePatchFactory(
        x: number,
        y: number,
        width: number,
        height: number,
        key: string,
        frame?: string | number,
        patchesConfig?: any
    ): NinePatch {
        return this.scene.add.existing(new NinePatch(this.scene, x, y, width, height, key, frame, patchesConfig)) as NinePatch;
    }

    private ninePatchCreator(config: any, addToScene?: boolean): NinePatch {
        if (config === undefined) {
            config = {};
        }

        const key: any = (Phaser.Utils as any).Objects.GetAdvancedValue(config, "key", null);
        const frame: any = (Phaser.Utils as any).Objects.GetAdvancedValue(config, "frame", null);
        const width: any = (Phaser.Utils as any).Objects.GetAdvancedValue(config, "width", null);
        const height: any = (Phaser.Utils as any).Objects.GetAdvancedValue(config, "height", null);
        const patchesConfig: any = (Phaser.Utils as any).Objects.GetAdvancedValue(config, "patchesConfig", null);

        const ninePatch: NinePatch = new NinePatch(this.scene, 0, 0, width, height, key, frame, patchesConfig);

        if (addToScene !== undefined) {
            config.add = addToScene;
        }

        Phaser.GameObjects.BuildGameObject(this.scene, ninePatch, config);

        return ninePatch;
    }
}