Property 'location' has no initializer and is not definitely assigned in the constructor.ts(2564) code example
Example 1: Property 'firstName' has no initializer and is not definitely assigned in the constructor
"angularCompilerOptions": {
// ...
"strictPropertyInitialization": false
// ...
}
Example 2: Property 'form' has no initializer and is not definitely assigned in the constructor.
"strictPropertyInitialization": false