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node_modules/es5-ext/array/#/intersection.js
| 19 lines
| 588 B
| application/javascript
| JavascriptLexer
|
r789 | "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); }); | ||||
}); | ||||
}; | ||||