Best way to find a matching value from an array with another set of values using Angular

Question

I get following array from a service (roles of a logged in user) roles = ['MM_VIEW', EM_VIEW]

I have a requirement where I need to check whether the user have any one of the below roles and based on that I need to do some logic MM_VIEW, MM_EDIT, MM_DELETE

So, I was wondering how to proceed with this, to create a enum or directly use OR condition like below

    if (user.roles.includes('MM_VIEW') || user.roles.includes('MM_EDIT') || user.roles.includes('MM_DELETE')) {
      this.appImgPIIError.emit(true);
    } else {
      this.appImgPIIError.emit(false);
    }

This works, but somehow having hard coded values in my component is not seems a good idea to me. ANy suggestions are welcome. Thanks.

When you are down voting a question please share the reason, it would be helpful when asking questions next time (if the reason is valid). — vamsi
– vamsi, Commented Oct 1, 2020 at 7:47

mkHun · Accepted Answer · 2020-10-01 07:51:14Z

1

You can do it with some method Like below

const roles = ['MM_VIEW', 'EM_VIEW'];
const types = ['MM_VIEW', 'MM_EDIT', 'MM_DELETE'];

if( roles.some(r=>types.includes(r)) ){
    event.emit(true);
} else {
    event.emit(false);
}

answered Oct 1, 2020 at 7:51

mkHun

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