1：thunk
2：compact
3：concat
4:difference
5:differenceWith
6：omit
7：pick
8:drop
9:dropRight
10 deepMerge
/**
* 深度合并对象
*
* @param {Object} target 目标对象
* @param {Object} source 源对象
* @returns {Object} 目标对象
*/
export const deepMerge =(target, source)=> {
Object.keys(source).forEach(key => {
target[key] = target[key] && typeof target[key] === 'object' ? deepMerge(target[key], source[key]) : source[key]
})
return target
}