text: export default String('\n\
  #if defined( USE_MAP ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( USE_SPECULARMAP ) || defined( USE_ALPHAMAP ) || defined( USE_EMISSIVEMAP ) || defined( USE_ROUGHNESSMAP ) || defined( USE_METALNESSMAP )\n\
  \n\
  	varying vec2 vUv;\n\
  	uniform vec4 offsetRepeat;\n\
  \n\
  #endif\n\
  ').replace( /[ \t]*\/\/.*\n/g, '' ).replace( /[ \t]*\/\*[\s\S]*?\*\//g, '' ).replace( /\n{2,}/g, '\n' );