app/frontend/shared/server/apollo/link/error.ts
// Copyright (C) 2012-2024 Zammad Foundation, https://zammad-foundation.org/
import { onError } from '@apollo/client/link/error'
import getErrorContext from '#shared/server/apollo/utils/getErrorContext.ts'
import { recordCommunicationFailure } from '#shared/server/connection.ts'
import type { GraphQLErrorExtensionsHandler } from '#shared/types/error.ts'
import { GraphQLErrorTypes } from '#shared/types/error.ts'
import emitter from '#shared/utils/emitter.ts'
import log from '#shared/utils/log.ts'
const errorLink = onError(
({ graphQLErrors, networkError, operation, forward }) => {
const errorContext = getErrorContext(operation)
const errorMessages: Array<string> = []
// If the error is an AbortError, ignore it and forward the operation to avoid communication failure
if (networkError?.name === 'AbortError') return forward(operation)
if (graphQLErrors) {
graphQLErrors.forEach(({ message, extensions, path }) => {
const { type, backtrace }: GraphQLErrorExtensionsHandler = {
type:
(extensions?.type as GraphQLErrorTypes) ||
GraphQLErrorTypes.NetworkError,
backtrace: extensions?.backtrace as string,
}
errorMessages.push(
`[GraphQL error - ${type}]: ${message}, Path: ${path}`,
backtrace,
)
if (
operation.operationName !== 'session' &&
type === GraphQLErrorTypes.NotAuthorized
) {
// Reset authenticated state after an unathenticated error type.
emitter.emit('sessionInvalid')
log.warn('Session invalid, trigger logout and show login page.')
}
})
}
if (networkError) {
// Suppress error message in Capybara test context, as it can happen if the
// test session is reset to 'about:blank' while requests are still running.
if (!VITE_TEST_MODE)
errorMessages.push(`[Network error]: ${networkError}`)
// Network error implies application connection problems.
// TODO: what's missing here is a detection of web socket disconnects.
recordCommunicationFailure()
}
if (errorContext.logLevel === 'silent') return
log[errorContext.logLevel](...errorMessages)
},
)
export default errorLink