ut2/lib/internals/hasPath.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

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

function hasPath(object, key, hasFunc) {
    var paths = toPath(key, object);
    var length = paths.length;
    var index = 0;
    var result = true;
    while (!isNil(object) && index < length) {
        var key_1 = paths[index];
        result = hasFunc(object, key_1);
        if (!result) {
            break;
        }
        object = object[key_1];
        index++;
    }
    return !!index && index === length && result;
}

module.exports = hasPath;