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safe-errors
Advanced tools
In my opinion its simpler to handle errors just like I handle everything else. Normally, errors are handled on a separate codepath. This module helps normalize the codepath for the return values (including errors) from asynchronous functions.
In my opinion its simpler to handle errors just like I handle everything else. Normally, errors are handled on a separate codepath. This module helps normalize the codepath for the return values (including errors) from asynchronous functions.
npm i --save safe-errors
let user
try {
user = await getUser('http://www.example.com/api/v1/users/123')
} catch (e) {
log(e)
// handle error in some way
}
user.name = 'New Name'
let postResponse
try {
postResponse = await saveUser('http://www.example.com/api/v1/users/123')
} catch (e) {
log(e)
// handle error in some way
}
const { safep } = require('safe-errors')
let getResult = await safep(getUser)('http://www.example.com/api/v1/users/123')
if (getResult.success === false) {
log(getResult.error)
// handle error in some way
}
let user = getResult.payload
user.name = 'New Name'
let saveResult = await safep(saveUser)('http://www.example.com/api/v1/users/123', user)
if (saveResult.success === false) {
log(saveResult.error)
// handle error in some way
}
const { pipeP, merge } = require('ramda')
const { safep } = require('safe-errors')
const getUserP = () => safep(getUser)('http://www.example.com/api/v1/users/123')
const updateUser = (user) => {
return merge(user, {
name: 'New name'
})
}
const saveUserP = (user) => safep(saveUser)('http://www.example.com/api/v1/users/123', user)
const handleError = (result) => {
if (result.success === false) {
log(result.success === false)
// maybe return a default
return {}
}
return result.payload
}
// Easier to pipe when errors are predictable
let updateAndSaveUser = pipeP(getUserP, handleError, updateUser, saveUser, handleError)
let updateResult = await updateAndSaveUser()
if (updateResult.success === false) {
log(updateResult.error)
}
const { readFile } = require('fs')
fs.readFile('file.txt', (err, data) => {
if (err) {
log(err)
// handle error in some way
}
console.log(data)
})
const { readFile } = require('fs')
const { safecb } = require('safe-errors')
let result = await safecb(readFile)('file.txt')
if (result.error) {
log(result.error)
// handle error in some way
}
console.log(result.payload) // contents of file
console.log(result.args) // array of arguments passed into done callback
FAQs
In my opinion its simpler to handle errors just like I handle everything else. Normally, errors are handled on a separate codepath. This module helps normalize the codepath for the return values (including errors) from asynchronous functions.
The npm package safe-errors receives a total of 10 weekly downloads. As such, safe-errors popularity was classified as not popular.
We found that safe-errors demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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