Babylon.js/postProcessLibrary/tsconfig.json

{
  "compilerOptions": {
    "experimentalDecorators": true,
    "module": "commonjs",
    "target": "es5",
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedLocals": true,
    "strictNullChecks": true,
    "declaration": true,
    "sourceMap": true,
    "lib": [
      "es5",
      "dom",
      "es2015.promise",
      "es2015.collection",
      "es2015.iterable"
    ],
    "skipDefaultLibCheck": true,
    "skipLibCheck": true,
    "baseUrl": "./src/",
    "rootDir": "./",
    "paths": {
      "babylonjs": [
        "../../dist/preview release/babylon.d.ts"
      ]
    },
    "outDir": "./build"
  }
}