Starfield demo broken

Looks like starfield demo is broken

Uncaught ReferenceError: __extends is not defined
    at babylon.starfieldProceduralTexture.min.js:1
    at BABYLON (babylon.starfieldProceduralTexture.min.js:1)
    at babylon.starfieldProceduralTexture.min.js:1
loaderCustoms.js:29 Uncaught TypeError: BABYLON.Engine is not a constructor
    at loaderCustoms.js:29