import getLength from './_getLength.js';
import contains from './contains.js';import getLength from './_getLength.js';
import contains from './contains.js';Produce an array that contains every item shared between all the passed-in arrays.
export default function intersection(array) {
var result = [];
var argsLength = arguments.length;
for (var i = 0, length = getLength(array); i < length; i++) {
var item = array[i];
if (contains(result, item)) continue;
var j;
for (j = 1; j < argsLength; j++) {
if (!contains(arguments[j], item)) break;
}
if (j === argsLength) result.push(item);
}
return result;
}