first-none-falsy-value-or-last/dist/index.js

a function which returns the first none falsy value or the last value, if alle values are falsy

var takeFirstNoneFalsyValueOrLast = (function () {
    'use strict';

    /**
     *
     * @param {*} args
     * @return {*}
     */
    function takeFirstNoneFalsyValueOrLast() {
        const args = Array.prototype.slice.call(arguments);
        const result = args.find((value) => !!value);

        if (result === undefined) {
            return args.pop();
        }

        return result;
    }

    return takeFirstNoneFalsyValueOrLast;

}());
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