字符串仅由小写字母和 [] 组成,且字符串不会包含多余的空格。
示例一: 'abc' --> {value: 'abc'}
示例二:'[abc[bcd[def]]]' --> {value: 'abc', children: {value: 'bcd', children: {value: 'def'}}}
let normalize = str => {
let result = {}
let c
// 字符串转化为数组
let arr = str.split(/[\[\]]/g).filter(Boolean)
// 生成结构化数据
arr.forEach((item, index) => {
if(index != 0) {
c.children = {}
c.children.value = item
c= c.children
} else {
result.value = item
c= result
}
})
return result
}
let str = '[abc[bcd[def]]]'
normalize(str)
// {value: 'abc', children: {value: 'bcd', children: {value: 'def'}}}