Javascript 我如何用ramda编写该函数?
如何以ramda的方式创建addGreeting函数 我试图创建一个函数,但它认为这不是最好的解决方案Javascript 我如何用ramda编写该函数?,javascript,functional-programming,ramda.js,Javascript,Functional Programming,Ramda.js,如何以ramda的方式创建addGreeting函数 我试图创建一个函数,但它认为这不是最好的解决方案 const animal = {}; const addName = R.assoc('name'); const addGreeting = (transformString) => (animal) => { return R.assoc('greeting', transformString(animal), animal); }; const createAnim
const animal = {};
const addName = R.assoc('name');
const addGreeting = (transformString) => (animal) => {
return R.assoc('greeting', transformString(animal), animal);
};
const createAnimal =
R.pipe(
addName('Igor'),
addGreeting(animal => `Hello ${animal.name}`),
);
createAnimal(animal);
我希望用ramda编写addGreeting函数
UPD:我的解决方案
const addName = R.assoc('name');
const addGreeting =
(transformString) =>
R.converge(
R.merge,
[
R.applySpec({
greeting: transformString
}),
R.defaultTo({})
]
)
const createAnimal =
R.pipe(
addName('Igor'),
addGreeting(animal => `Hello ${animal.name}`),
);
createAnimal({});
您可以使用
R.curry
创建addGreeting
和R.applySpec
创建动物创建功能:
const{curry,applySpec,identity}=R
const addGreeting=curry((transformString,name)=>transformString(name));
const createAnimal=applySpec({
姓名:identity,,
问候语:addGreeting(name=>`Hello${name}`)
})
console.log(createAnimal('Igor'))代码>