@reactivex/ix-esnext-esm/iterable/operators/pluck.js

The Interactive Extensions for JavaScript

import { MapIterable } from './map';
function plucker(props, length) {
    const mapper = (x) => {
        let currentProp = x;
        for (let i = 0; i < length; i++) {
            const p = currentProp[props[i]];
            if (typeof p !== 'undefined') {
                currentProp = p;
            }
            else {
                return undefined;
            }
        }
        return currentProp;
    };
    return mapper;
}
export function pluck(...args) {
    return function pluckOperatorFunction(source) {
        return new MapIterable(source, plucker(args, args.length));
    };
}

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