Answers for "Property '' has no initializer and is not definitely assigned in the constructor. angular"

Property 'firstName' has no initializer and is not definitely assigned in the constructor

"angularCompilerOptions": {
    //   ...
    "strictPropertyInitialization": false
    //   ...
  }

Property 'name' has no initializer and is not definitely assigned in the constructor.ts(2564)

"strictPropertyInitialization": false