Swap-Aggregator-Subgraph/node_modules/graphql/validation/rules/custom/NoSchemaIntrospectionCustomRule.js
Richa-iitr d211083153 Revert "Revert "added handler""
This reverts commit c36ee8c5ca.
2022-07-03 07:30:05 +05:30

35 lines
1.2 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.NoSchemaIntrospectionCustomRule = NoSchemaIntrospectionCustomRule;
var _GraphQLError = require("../../../error/GraphQLError.js");
var _definition = require("../../../type/definition.js");
var _introspection = require("../../../type/introspection.js");
/**
* Prohibit introspection queries
*
* A GraphQL document is only valid if all fields selected are not fields that
* return an introspection type.
*
* Note: This rule is optional and is not part of the Validation section of the
* GraphQL Specification. This rule effectively disables introspection, which
* does not reflect best practices and should only be done if absolutely necessary.
*/
function NoSchemaIntrospectionCustomRule(context) {
return {
Field: function Field(node) {
var type = (0, _definition.getNamedType)(context.getType());
if (type && (0, _introspection.isIntrospectionType)(type)) {
context.reportError(new _GraphQLError.GraphQLError("GraphQL introspection has been disabled, but the requested query contained the field \"".concat(node.name.value, "\"."), node));
}
}
};
}