tsconfig.json

{
    "compilerOptions": {
        "emitDecoratorMetadata": true,
        "experimentalDecorators": true,
        "target": "es5",
        "module": "es2015",
        "moduleResolution": "node",
        "removeComments": true,
        "lib": [
            "es2015",
            "dom"
        ],
        "sourceMap": true,
        "outDir": "dist",
        "declarationDir": "dist",
        "declaration": true
    },
    "compileOnSave": true,
    "include": [
        "src/**/*"
    ],
    "exclude": [
        "demo",
        "index.d.ts",
        "node_modules",
        "dist"
    ],
    "angularCompilerOptions": {
        "genDir": "dist/",
        "strictMetadataEmit": true,
        "skipTemplateCodegen": true
    }
}