JS树形数组扁平化

如题，有时候需要对树形数组深层去找符合字段的那一串json，苦于循环找太费劲，索引选择扁平化，找起来方便很多

 let treeList = [{
                id: '1',
                name: '水果',
                value: 3,
                children: [{
                    id: '1-1',
                    name: '西瓜',
                    value: 2,
                    children: [{
                            id: '1-1-1',
                            name: '西瓜皮',
                            value: 1,
                            children: [],
                        },
                        {
                            id: '1-1-2',
                            name: '西瓜种子',
                            value: 1,
                            children: [],
                        }
                    ]
                }, {
                    id: '1-2',
                    name: '柚子',
                    value: 1,
                    children: [],
                }, {
                    id: '1-3',
                    name: '橘子',
                    value: 1,
                    children: [],
                }]
            },
            {
                id: '2',
                name: '肉',
                value: 4,
                children: [{
                        id: '2-1',
                        name: '牛肉',
                        value: 1,
                        children: [{
                                id: '2-1-2',
                                name: '和牛肉',
                                value: 1,
                                children: [],
                            },
                            {
                                id: '2-1-2',
                                name: '澳牛肉',
                                value: 1,
                                children: [],
                            }
                        ],
                    }, {
                        id: '2-2',
                        name: '羊肉',
                        value: 1,
                        children: [],
                    }, {
                        id: '2-3',
                        name: '猪肉',
                        value: 1,
                        children: [],
                    },
                    {
                        id: '2-4',
                        name: '鱼肉',
                        value: 1,
                        children: [],
                    }
                ]
            },
            {
                id: '3',
                name: '蔬菜',
                value: 2,
                children: [{
                    id: '3-1',
                    name: '大白菜',
                    value: 1,
                    children: [],
                }, {
                    id: '3-2',
                    name: '菠菜',
                    value: 1,
                    children: [],
                }]
            },
 
        ];
        console.log(treeList);

　　

　

封装函数如下：

        //扁平化
        /*
         *  bossArr  树形数据
         *  children 树形数据子数据的属性名, 本项目为 children
         * */
        function extractTree(bossArr, children) {
            //如果为空 返回空（防止 children 递归报错）
            if (!Array.isArray(bossArr) && !bossArr.length) return [];
            let list = [];
            const getObj = (arr) => {
                arr.forEach((row) => {
                    let obj = {};
                    obj = JSON.parse(JSON.stringify(row));
                    list.push(obj);
                    if (row[children]) {
                        getObj(row[children]);
                    }
                });
                return list;
            };
            return getObj(bossArr);
        }
        const newList = extractTree(treeList, 'children');
        console.log(newList);