ut2/lib/unset.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

var get = require('./get.js');
var isNil = require('./isNil.js');
var nth = require('./nth.js');
var toPath = require('./toPath.js');

function unset(object, path) {
    if (isNil(object)) {
        return true;
    }
    var paths = toPath(path, object);
    var parent = paths.length < 2 ? object : get(object, paths.slice(0, -1));
    return isNil(parent) ? true : delete parent[nth(paths, -1)];
}

module.exports = unset;