Compressed Texture Atlas From File Config

class Demo extends Phaser.Scene
{
    constructor ()
    {
        super();
    }

    preload ()
    {
        this.load.setBaseURL('https://cdn.phaserfiles.com/v355');
        const path = 'assets/compressed';

        this.load.texture(
            {
                "key": "labs",
                "url": {
                    'ASTC': { type: 'PVR', textureURL: `${path}/textures-astc-4x4.pvr`, atlasURL: `${path}/textures.json` },
                    'PVRTC': { type: 'PVR', textureURL: `${path}/textures-pvrtc-4bpp-rgba.pvr`, atlasURL: `${path}/textures-pvrtc-4bpp-rgba.json` },
                    'S3TC': { type: 'PVR', textureURL: `${path}/textures-dxt5.pvr`, atlasURL: `${path}/textures-dxt5.json` },
                    'IMG': { textureURL: `${path}/textures.png`, atlasURL: `${path}/textures.json` }
                }
            }
        );
    }

    create ()
    {
        const bubble = this.add.sprite(0, 40, 'labs', 'bubble256').setOrigin(0);
        const logo = this.add.sprite(80, 100, 'labs', 'logo').setOrigin(0);

        this.add.text(400, 570, logo.frame.source.compressionAlgorithm).setOrigin(0.5, 0);
    }
}

const config = {
    type: Phaser.AUTO,
    parent: 'phaser-example',
    width: 800,
    height: 600,
    backgroundColor: '#2d2d6d',
    scene: Demo
};

const game = new Phaser.Game(config);