29 lines
942 B
Plaintext
29 lines
942 B
Plaintext
// @flow strict
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import invariant from '../jsutils/invariant';
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import { type GraphQLError } from './GraphQLError';
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import { type SourceLocation } from '../language/location';
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/**
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* Given a GraphQLError, format it according to the rules described by the
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* Response Format, Errors section of the GraphQL Specification.
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*/
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export function formatError(error: GraphQLError): GraphQLFormattedError {
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invariant(error, 'Received null or undefined error.');
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const message = error.message || 'An unknown error occurred.';
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const locations = error.locations;
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const path = error.path;
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const extensions = error.extensions;
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return extensions
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? { message, locations, path, extensions }
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: { message, locations, path };
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}
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export type GraphQLFormattedError = {|
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+message: string,
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+locations: $ReadOnlyArray<SourceLocation> | void,
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+path: $ReadOnlyArray<string | number> | void,
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+extensions?: { [key: string]: mixed, ... },
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|};
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