Babylon.js/proceduralTexturesLibrary/config.json

{
  "proceduralTextures": [
    {
      "file": "proceduralTextures/fire/babylon.fireProceduralTexture.ts",
      "shaderFiles": [
        "proceduralTextures/fire/fireProceduralTexture.fragment.fx"
      ],
      "output": "babylon.fireProceduralTexture.js"
    }
  ],
  "build": {
    "distOutputDirectory": "dist/"
  }
}