postgraphile
Version:
A GraphQL schema created by reflection over a PostgreSQL schema 🐘 (previously known as PostGraphQL)
61 lines • 4.29 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.extendedFormatError = void 0;
/**
* Extracts the requested fields from a pg error object, handling 'code' -> 'errcode' mapping.
*/
function pickPgError(err, inFields) {
const result = {};
let fields;
if (Array.isArray(inFields)) {
fields = inFields;
}
else if (typeof inFields === 'string') {
fields = inFields.split(',');
}
else {
throw new Error('Invalid argument to extendedErrors - expected array of strings');
}
if (err && typeof err === 'object') {
fields.forEach((field) => {
// pg places 'errcode' on the 'code' property
if (typeof field !== 'string') {
throw new Error('Invalid argument to extendedErrors - expected array of strings');
}
const errField = field === 'errcode' ? 'code' : field;
result[field] = err[errField] != null ? String(err[errField]) : err[errField];
});
}
return result;
}
/**
* Given a GraphQLError, format it according to the rules described by the
* Response Format, Errors section of the GraphQL Specification, plus it can
* extract additional error codes from the postgres error, such as 'hint',
* 'detail', 'errcode', 'where', etc. - see `extendedErrors` option.
*/
function extendedFormatError(error, fields) {
if (!error) {
throw new Error('Received null or undefined error.');
}
const originalError = error.originalError;
const exceptionDetails = originalError && fields ? pickPgError(originalError, fields) : undefined;
return {
// TODO:v5: remove this
...exceptionDetails,
...(exceptionDetails
? {
// Reference: https://facebook.github.io/graphql/draft/#sec-Errors
extensions: {
...originalError.extensions,
exception: exceptionDetails,
},
}
: null),
message: error.message,
locations: error.locations,
path: error.path,
};
}
exports.extendedFormatError = extendedFormatError;
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