rxjs/dist/esm/internal/operators/distinctUntilKeyChanged.js

Reactive Extensions for modern JavaScript

import { distinctUntilChanged } from './distinctUntilChanged';
export function distinctUntilKeyChanged(key, compare) {
    return distinctUntilChanged((x, y) => (compare ? compare(x[key], y[key]) : x[key] === y[key]));
}
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