aaac7fed
 liuqimichale
add
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"use strict";
var value = require("../../object/valid-value")
, contains = require("./contains")
, byLength = require("./_compare-by-length")
, filter = Array.prototype.filter
, push = Array.prototype.push
, slice = Array.prototype.slice;
module.exports = function (/* …list*/) {
var lists;
if (!arguments.length) slice.call(this);
push.apply(lists = [this], arguments);
lists.forEach(value);
lists.sort(byLength);
return lists.reduce(function (list1, list2) {
return filter.call(list1, function (item) {
return contains.call(list2, item);
});
});
};
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