Suggestion: allow get/set accessors to be of different types · Issue #2521 · microsoft/TypeScript (original) (raw)

It would be great if there was a way to relax the current constraint of requiring get/set accessors to have the same type. this would be helpful in a situation like this:

class MyClass {

    private _myDate: moment.Moment;

    get myDate(): moment.Moment {
        return this._myDate;
    }

    set myDate(value: Date | moment.Moment) {
        this._myDate = moment(value);
    }
}

Currently, this does not seems to be possible, and I have to resort to something like this:

class MyClass {

    private _myDate: moment.Moment;

    get myDate(): moment.Moment {
        return this._myDate;
    }

    set myDate(value: moment.Moment) {
        assert.fail('Setter for myDate is not available. Please use: setMyDate() instead');
    }

    setMyDate(value: Date | moment.Moment) {
        this._myDate = moment(value);
    }
}

This is far from ideal, and the code would be much cleaner if different types would be allowed.

Thanks!