assert-ok-response

A tiny helper to assert that response from fetch() is ok.

Usage

``js
import { assertOkResponse } from 'assert-ok-response'

const response = await fetch('https://example.com/not-found')
await assertOkResponse(response)
//
// Throws:
//
// const err = new Error(${errorMsg ?? Cannot fetch ${res.url}} (${res.status}): ${body})
// ^
//
// Error: Cannot fetch https://example.com/not-found (404):
// [...]
// at assertOkResponse (file:///Users/bajtos/src/assert-ok-response/index.js:15:15)
// at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
// at async file:///Users/bajtos/src/assert-ok-response/x.js:4:1 {
// statusCode: 404,
// serverMessage: '\n' +
// [...]
`

Error properties:

- statusCode (number) - The HTTP status code of the response.
- serverMessage (string) - The response body returned by the server.

Development

- npm test to run the tests.
- npm run lint:fix to fix linting issues.
- npx np` to publish a new version.