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// @flow
const debug = require('debug')('api:utils:error-formatter');
import Raven from 'shared/raven';
import { IsUserError } from './UserError';
import type { GraphQLError } from 'graphql';
const queryRe = /\s*(query|mutation)[^{]*/;
const collectQueries = query => {
if (!query) return 'No query';
return query
.split('\n')
.map(line => {
const m = line.match(queryRe);
return m ? m[0].trim() : '';
})
.filter(line => !!line)
.join('\n');
};
const errorPath = error => {
if (!error.path) return '';
return error.path
.map((value, index) => {
if (!index) return value;
return typeof value === 'number' ? `[${value}]` : `.${value}`;
})
.join('');
};
const logGraphQLError = (req, error) => {
debug('---GraphQL Error---');
debug(error);
error &&
error.extensions &&
error.extensions.exception &&
debug(error.extensions.exception.stacktrace.join('\n'));
if (req) {
debug(collectQueries(req.body.query));
debug('variables', JSON.stringify(req.body.variables || {}));
}
const path = errorPath(error);
path && debug('path', path);
debug('-------------------\n');
};
const createGraphQLErrorFormatter = (req?: express$Request) => (
error: GraphQLError
) => {
logGraphQLError(req, error);
const err = error.originalError || error;
const isUserError = err[IsUserError];
let sentryId = 'ID only generated in production';
if (!isUserError) {
if (process.env.NODE_ENV === 'production') {
sentryId = Raven.captureException(
error,
req && Raven.parsers.parseRequest(req)
);
}
}
return {
message: isUserError ? error.message : `Internal server error: ${sentryId}`,
// Hide the stack trace in production mode
stack:
!process.env.NODE_ENV === 'production' ? error.stack.split('\n') : null,
};
};
export default createGraphQLErrorFormatter;
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