vue怎么遞歸遍歷數(shù)組？

function digui(val) {

let arr = [];

if (val.length !== 0) {

val.forEach(item => {

let obj = {};

obj.id = item.path;

obj.label = item.name;

if (item.children.length >= 1) {

obj.children = this.digui(item.children);

}

arr.push(obj);

});

}