error-first

Convert async/await try/catch to [error, result]

tl;dr

``ts
import errorFirst from 'error-first'

const [error, result] = await errorFirst(doSomething)
`

Details

$3


`ts
const addAsync = async (a, b) => {
if (a == null || b == null) {
throw 'Argument Error'
}

return a + b
}
`

$3


`ts
import errorFirst from 'error-first'
// const errorFirst = require('error-first').default

const [error, result] = await errorFirst(addAsync(1, 2)) // [undefined, 3]
`

$3


`ts
let result = null

try {
result = await addAsync(1, 2)
} catch(error) {
// Do something with error
}
``