es6/operator/distinctUntilKeyChanged.js

import { distinctUntilChanged } from './distinctUntilChanged';
/* tslint:disable:max-line-length */
export function distinctUntilKeyChanged(key, compare) {
    return distinctUntilChanged.call(this, function (x, y) {
        if (compare) {
            return compare(x[key], y[key]);
        }
        return x[key] === y[key];
    });
}
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