tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": "./",
    "outDir": "./dist/out-tsc",
    // Remaing option for full strict mode
    "strictNullChecks": false,
    "noPropertyAccessFromIndexSignature": false,

    "forceConsistentCasingInFileNames": true,
    "strict": true,
    "noImplicitOverride": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "sourceMap": true,
    "declaration": false,
    "downlevelIteration": true,
    "experimentalDecorators": true,
    "moduleResolution": "node",
    "resolveJsonModule": true,
    "allowSyntheticDefaultImports": true,
    "importHelpers": true,
    "target": "es2017",
    "module": "es2020",
    "lib": ["es2020", "dom"],
    "paths": {
      "@ngx-formly/*": ["src/*/src/private_api", "src/*/src/public_api", "src/ui/*/src/public_api"],
      "@assets/*": ["demo/src/assets/*"]
    },
    "skipLibCheck": true
  },
  "exclude": [
    "demo/src/assets/stackblitz/**/*.ts",
    "demo/src/assets/stackblitz/**/*.ts",
    "src/schematics/src/*/files/**/*",
    "cypress.config.ts",
    "index.ts",
    "dist/**/*",
    "cypress/**/*"
  ],
  "angularCompilerOptions": {
    "enableI18nLegacyMessageIdFormat": false,
    "strictInjectionParameters": true,
    "strictInputAccessModifiers": true,
    "strictTemplates": true
  }
}