數組數據轉化樹形結構數據

function translateDataToTree(data) {

? let parents = data.filter(value => value.parentId == 'undefined' || value.parentId == null)

? let children = data.filter(value => value.parentId !== 'undefined' && value.parentId != null)

? let translator = (parents, children) => {

? parents.forEach((parent) => {

? children.forEach((current, index) => {

? if (current.parentId === parent.id) {

? let temp = JSON.parse(JSON.stringify(children))

? temp.splice(index, 1)

? translator([current], temp)

? typeof parent.children !== 'undefined' ? parent.children.push(current) : parent.children = [current]

? }

? })

? } )

? }

? translator(parents, children)

? return parents

? }