I am working on an Angular 11 application.
In the service UserService
I have:
import { Injectable, OnDestroy } from '@angular/core';
import { UserModel } from '../path/to/UserModel';
export class UserService implements OnDestroy {
public isActiveUser: boolean = false;
public checkUserStatus(user: UserModel) {
return this.isActiveUser;
}
}
I use the above service in a component, like this:
import { UserService } from '../path/to/user-service.service';
export class UserComponent implements OnInit {
public isActiveUser: boolean;
public checkUserStatus() {
this.isActiveUser = this.UserService.checkUserStatus(user);
}
}
The problem
In the above CompositionEvent, on the line this.isActiveUser = this.UserService.checkUserStatus(user)
I get the error:
Cannot find name 'user'
What causes this error?
CodePudding user response:
The user variable is missing in your code.
Here are scenarios to set the user variable
import { UserService } from '../path/to/user-service.service';
// Import your model with below path
import { UserModel } from '../path/to/UserModel';
export class UserComponent implements OnInit {
public isActiveUser: boolean;
// Declare your user variable
user: UserModel;
public checkUserStatus() {
this.isActiveUser = this.UserService.checkUserStatus(user);
}
}
Resolve your error :)
CodePudding user response:
Because your user
variable is never defined anywhere?
CodePudding user response:
In the above CompositionEvent, on the line this.isActiveUser = this.UserService.checkUserStatus(user) I get the error:
Coz no user
constant / variable is declared.