tsconfig.json

{
  "compilerOptions": {
    "strict": true,
    "forceConsistentCasingInFileNames": true,
    /* Basic Options */
    "target": "ES2016", // Target ECMAScript version
    "module": "ESNext", // Module code generation
    "outDir": "./dist", // Output directory for compiled JS files
    "rootDir": "./src", // Root directory of input files
    "allowJs": true, // Allow compiling .js files
    "checkJs": false, // Report errors in .js files
    "sourceMap": true, // Generates corresponding .map files
    "noImplicitAny": false, // Warn on expressions and declarations with an implied 'any' type
    "strictNullChecks": false, // Enable strict null checks
    "removeComments": true, // Remove comments from output
    "noEmitOnError": true, // Do not emit outputs if any errors were reported
    "experimentalDecorators": true, // Enable experimental support for decorators
    "lib": ["ES2016", "DOM"], // Specify library files to be included
    "types": ["angular"],
    "typeRoots": ["./node_modules/@types"], // List of folders to include type definitions from
    /* Module Resolution Options */
    "esModuleInterop": true,
    "moduleResolution": "node",
    "baseUrl": "./",
    "paths": {
      "*": ["node_modules/*"]
    },
    /* Advanced Options */
    "allowSyntheticDefaultImports": true
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules", "**/*.spec.ts"]
}