@angular-jz/jz/jz/utility/array-utility.js

jim jz

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ArrayUtility = /** @class */ (function () {
    function ArrayUtility() {
    }
    ///树状结构转数组结构
    ArrayUtility.treeToArray = function (tree) {
        var list = [];
        var oldArray = tree.slice();
        var fn = function (newArray, oldArray) {
            oldArray.forEach(function (item) {
                item.childCount = (item.children && item.children.length > 0) ? item.children.length : 0;
                newArray.push(item);
                if (item.childCount > 0)
                    fn(newArray, item.children);
            });
        };
        fn(list, oldArray);
        return list;
    };
    ///在数组中根据某个属性查找元素
    ArrayUtility.findInArray = function (items, fieldName, fieldValue) {
        if (!items)
            return null;
        for (var i = 0; i < items.length; i++) {
            if (items[i][fieldName] == fieldValue)
                return items[i];
        }
        return null;
    };
    ArrayUtility.remove = function (items, fieldName, fieldValue) {
        if (!items)
            return;
        var count = items.length;
        var idx = 0;
        while (idx < count) {
            var item = items[idx];
            if (item[fieldName] == fieldValue) {
                items.splice(idx, 1);
                count--;
            }
            else {
                idx++;
            }
        }
    };
    ArrayUtility.join = function (source, fieldName, splitString, emptyText) {
        var sSplitString = splitString || ",";
        var sEmptyText = emptyText || "";
        if (!source || source.length == 0)
            return sEmptyText;
        var str = '';
        for (var i = 0; i < source.length; i++) {
            str += source[i][fieldName] + sSplitString;
        }
        str = str.substring(0, str.length - 1);
        return str;
    };
    return ArrayUtility;
}());
exports.ArrayUtility = ArrayUtility;
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