Static Methods

mightFail has static methods that wrap the corresponding static methods of Promise.

Promise.race
Promise.all
Promise.allSettled
Promise.any
await mightFail.all([])
await mightFail.allSettled([])
await mightFail.race([])
await mightFail.any([])

These are identical to the static methods on Promise but they return an Either type.

Example

import { mightFail } from 'might-fail'

const [error, result] = await mightFail.all([
  Promise.resolve({ message: "success" }),
  Promise.resolve({ message: "success2" }),
]);

if (error) {
  // error from Promise.all
  return
}

// result is an array of the results of the promises
console.log(result.map((r) => r.message))

import { mightFail } from 'might-fail'

const [error, result] = await mightFail.all([
  Promise.resolve({ message: "success" }),
  Promise.resolve({ message: "success2" }),
]);

if (error) {
  // error from Promise.all
  return
}

// result is an array of the results of the promises
console.log(result.map((r) => r.message))

import { mightFail } from 'might-fail'

const [error, result] = await mightFail.all([
  Promise.resolve({ message: "success" }),
  Promise.resolve({ message: "success2" }),
]);

if (error) {
  // error from Promise.all
  return
}

// result is an array of the results of the promises
console.log(result.map((r) => r.message))

import { mightFail } from 'might-fail'

const [error, result] = await mightFail.all([
  Promise.resolve({ message: "success" }),
  Promise.resolve({ message: "success2" }),
]);

if (error) {
  // error from Promise.all
  return
}

// result is an array of the results of the promises
console.log(result.map((r) => r.message))