Verifying user privilege within settings database (written in Typescript for Aurelia framework)

Working on navigation with authorization. This is a snippet of my code:

run(navigationInstruction: NavigationInstruction, next: Next) : Promise<any> {

    let requiredRoles = navigationInstruction.getAllInstructions()
                        .map(i => i.config.settings.roles)[0];

    toastr.success('TEST1');

    let isUserInRole = requiredRoles?   
        requiredRoles.some(r => r === this.userIdentity.role) : true;

    toastr.success('TEST2');//LINE IT`S NOT EXECUTED

    return isUserInRole? next() : next.cancel(new Redirect('users/login'));    
}

requiredRoles - Checked and returning value as expected.

In the line

r => r === this.userIdentity.role
, Visual Code shows a message:
Parameter 'r' implicitly has an 'any' type, but a better type may be inferred from usage.ts(7044)

Answer №1

One potential solution could be to convert the .roles)[0] to a string (based on your code snippet)

run(navigationInstruction: NavigationInstruction, next: Next) : Promise<any> {

    let requiredRoles = navigationInstruction.getAllInstructions()
                        .map(i => i.config.settings.roles)[0] as string;
  ...  
}

Update: If roles are actually an array of strings, then the correct code adjustment would look like this

run(navigationInstruction: NavigationInstruction, next: Next) : Promise<any> {

    let requiredRoles = navigationInstruction.getAllInstructions()
                        .map(i => i.config.settings.roles)[0] as string[];
  ...  
}

By making that change, the issue should hopefully be resolved.

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