Function filterGeneric

lib/internal/filter.js:25–47

(eachfn, coll, iteratee, callback)

}

function filterGeneric(eachfn, coll, iteratee, callback) {
    var results = [];
    eachfn(coll, function (x, index, callback) {
        iteratee(x, function (err, v) {
            if (err) {
                callback(err);
            } else {
                if (v) {
                    results.push({index: index, value: x});
                }
                callback();
            }
        });
    }, function (err) {
        if (err) {
            callback(err);
        } else {
            callback(null, arrayMap(results.sort(function (a, b) {
                return a.index - b.index;
            }), property('value')));
        }
    });
}

export default function _filter(eachfn, coll, iteratee, callback) {
    var filter = isArrayLike(coll) ? filterArray : filterGeneric;