38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
'use strict'
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const { NotFound, InvalidResponse, Inaccessible } = require('./errors')
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const defaultErrorMessages = {
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404: 'not found',
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}
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module.exports = function checkErrorResponse(errorMessages = {}) {
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return async function ({ buffer, res }) {
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let error
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errorMessages = { ...defaultErrorMessages, ...errorMessages }
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if (res.statusCode === 404) {
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error = new NotFound({ prettyMessage: errorMessages[404] })
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} else if (res.statusCode !== 200) {
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const underlying = Error(
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`Got status code ${res.statusCode} (expected 200)`
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)
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const props = { underlyingError: underlying }
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if (errorMessages[res.statusCode] !== undefined) {
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props.prettyMessage = errorMessages[res.statusCode]
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}
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if (res.statusCode >= 500) {
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error = new Inaccessible(props)
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} else {
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error = new InvalidResponse(props)
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}
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}
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if (error) {
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error.response = res
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error.buffer = buffer
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throw error
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} else {
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return { buffer, res }
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}
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}
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}
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