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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.UniqueOperationNamesRule = UniqueOperationNamesRule;
var _GraphQLError = require("../../error/GraphQLError.js");
/**
* Unique operation names
*
* A GraphQL document is only valid if all defined operations have unique names.
*/
function UniqueOperationNamesRule(context) {
var knownOperationNames = Object.create(null);
return {
OperationDefinition: function OperationDefinition(node) {
var operationName = node.name;
if (operationName) {
if (knownOperationNames[operationName.value]) {
context.reportError(new _GraphQLError.GraphQLError("There can be only one operation named \"".concat(operationName.value, "\"."), [knownOperationNames[operationName.value], operationName]));
} else {
knownOperationNames[operationName.value] = operationName;
}
}
return false;
},
FragmentDefinition: function FragmentDefinition() {
return false;
}
};
}
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