123456789101112131415161718192021222324252627 |
- import { GraphQLError } from '../../error/GraphQLError';
- export function duplicateVariableMessage(variableName) {
- return "There can be only one variable named \"".concat(variableName, "\".");
- }
- export function UniqueVariableNames(context) {
- var knownVariableNames = Object.create(null);
- return {
- OperationDefinition: function OperationDefinition() {
- knownVariableNames = Object.create(null);
- },
- VariableDefinition: function VariableDefinition(node) {
- var variableName = node.variable.name.value;
- if (knownVariableNames[variableName]) {
- context.reportError(new GraphQLError(duplicateVariableMessage(variableName), [knownVariableNames[variableName], node.variable.name]));
- } else {
- knownVariableNames[variableName] = node.variable.name;
- }
- }
- };
- }
|