ut2/lib/uniq.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

var eq = require('./eq.js');
var createIteratee = require('./internals/createIteratee.js');
var isArray = require('./isArray.js');

function uniq(array, iteratee, strickCheck) {
    if (strickCheck === void 0) { strickCheck = false; }
    if (!isArray(array)) {
        return [];
    }
    var internalIteratee = createIteratee(iteratee);
    return array.filter(function (value, index, arr) {
        var current = internalIteratee(value);
        return arr.findIndex(function (item) { return eq(internalIteratee(item), current, strickCheck); }) === index;
    });
}

module.exports = uniq;