Sha256: 61d132fff638dd9cb42c9aecb0a7ad8d9a9720a19a20805e2fb9ca4fdaedb4a8
Contents?: true
Size: 1.94 KB
Versions: 26
Compression:
Stored size: 1.94 KB
Contents
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true,
});
exports.UniqueOperationTypesRule = UniqueOperationTypesRule;
var _GraphQLError = require('../../error/GraphQLError.js');
/**
* Unique operation types
*
* A GraphQL document is only valid if it has only one type per operation.
*/
function UniqueOperationTypesRule(context) {
const schema = context.getSchema();
const definedOperationTypes = Object.create(null);
const existingOperationTypes = schema
? {
query: schema.getQueryType(),
mutation: schema.getMutationType(),
subscription: schema.getSubscriptionType(),
}
: {};
return {
SchemaDefinition: checkOperationTypes,
SchemaExtension: checkOperationTypes,
};
function checkOperationTypes(node) {
var _node$operationTypes;
// See: https://github.com/graphql/graphql-js/issues/2203
/* c8 ignore next */
const operationTypesNodes =
(_node$operationTypes = node.operationTypes) !== null &&
_node$operationTypes !== void 0
? _node$operationTypes
: [];
for (const operationType of operationTypesNodes) {
const operation = operationType.operation;
const alreadyDefinedOperationType = definedOperationTypes[operation];
if (existingOperationTypes[operation]) {
context.reportError(
new _GraphQLError.GraphQLError(
`Type for ${operation} already defined in the schema. It cannot be redefined.`,
{
nodes: operationType,
},
),
);
} else if (alreadyDefinedOperationType) {
context.reportError(
new _GraphQLError.GraphQLError(
`There can be only one ${operation} type in schema.`,
{
nodes: [alreadyDefinedOperationType, operationType],
},
),
);
} else {
definedOperationTypes[operation] = operationType;
}
}
return false;
}
}
Version data entries
26 entries across 26 versions & 1 rubygems