@suc/chain
在Object和Array的原型链上提供方便的链式操作方法.
const fruits = [
{name: 'banana', amount: 2},
{name: 'apple', amount: 4},
{name: 'pineapple', amount: 2},
{name: 'mango', amount: 1}
];
fruits
.concat([{name: 'apple', amount: 100}])
.sortedBy('name', 'amount')
.reverse()
.tap(arr => arr.unshift({name: 'pineapple', amount: 100}))
.thru(arr => arr[0])// 返回值可能为空 .xxxOrNull