tsconfig.json

{
    "compilerOptions": {
        "downlevelIteration": true,
        "importHelpers": true,
        "target": "es2015",
        "module": "esnext",
        "moduleResolution": "node",
        "allowSyntheticDefaultImports": true,
        "resolveJsonModule": true,
        "emitDecoratorMetadata": true,
        "experimentalDecorators": true,
        "removeComments": true,
        "noImplicitAny": false,
        "declaration": true,
        "sourceMap": false,
        "outDir": "dist",
        "lib": ["es2018", "dom"],
        "baseUrl": "./",
        "types": ["node"]
    },
    "angularCompilerOptions": {
        "fullTemplateTypeCheck": true,
        "skipTemplateCodegen": true,
        "skipMetadataEmit": false,
        "strictMetadataEmit": true,
        "annotationsAs": "decorators",
        "strictInjectionParameters": true,
        "strictTemplates": true
    },
    "include": ["src/**/*"],
    "exclude": ["node_modules", "**/*.spec.ts"]
}