tsconfig.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "downlevelIteration": true,
    "outDir": "./dist/out-tsc",
    "sourceMap": true,
    "declaration": false,
    "module": "esnext",
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "importHelpers": true,
    "target": "es2015",
    "typeRoots": [
      "node_modules/@types"
    ],
    "lib": [
      "es2018",
      "dom"
    ],
    "baseUrl": "./",
    "paths": {
      "@delon/*": ["./src/delon/*"],
      "@env/*": ["./src/environments/*"],
      "@routes/*": ["./src/app/routes/*"],

      "@shared": ["./src/app/@shared"],
      "@shared/*": ["./src/app/@shared/*"],
      "@core": ["./src/app/@core/"],
      "@core/*": ["./src/app/@core/*"],
      "@layout": ["./src/app/layout/"],
      "@layout/*": ["./src/app/layout/*"],
    }
  }
}