valid-params.md

Ensures the proper number of arguments are passed to Promise functions (valid-params)

Ensures the proper number of arguments are passed to Promise functions

Valid

// Promise.all() requires 1 argument
Promise.all([p1, p2, p3])
Promise.all(iterable)

// Promise.race() requires 1 argument
Promise.race([p1, p2, p3])
Promise.race(iterable)

// Promise.resolve() requires 0 or 1 arguments
Promise.resolve()
Promise.resolve({})
Promise.resolve([1, 2, 3])
Promise.resolve(referenceToObject)

// Promise.reject() requires 0 or 1 arguments
Promise.reject()
Promise.reject(Error())
Promise.reject(referenceToError)

// Promise.then() requires 1 or 2 arguments
somePromise().then(value => doSomething(value))
somePromise().then(successCallback, errorCallback)

// Promise.catch() requires 1 argument
somePromise().catch(error => {
  handleError(error)
})
somePromise().catch(console.error)

// Promise.finally() requires 1 argument
somePromise().finally(() => {
  console.log('done!')
})
somePromise().finally(console.log)

Invalid

• Promise.all() is called with 0 or 2+ arguments
• Promise.race() is called with 0 or 2+ arguments
• Promise.resolve() is called with 2+ arguments
• Promise.reject() is called with 2+ arguments
• Promise.then() is called with 0 or 3+ arguments
• Promise.catch() is called with 0 or 2+ arguments
• Promise.finally() is called with 0 or 2+ arguments