Sha256: 8f73e5883f166947df7f406ab59e75c06398f08a6bde4b435ed94dd40a9d7511
Contents?: true
Size: 1.34 KB
Versions: 26
Compression:
Stored size: 1.34 KB
Contents
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true,
});
exports.UniqueVariableNamesRule = UniqueVariableNamesRule;
var _groupBy = require('../../jsutils/groupBy.js');
var _GraphQLError = require('../../error/GraphQLError.js');
/**
* Unique variable names
*
* A GraphQL operation is only valid if all its variables are uniquely named.
*/
function UniqueVariableNamesRule(context) {
return {
OperationDefinition(operationNode) {
var _operationNode$variab;
// See: https://github.com/graphql/graphql-js/issues/2203
/* c8 ignore next */
const variableDefinitions =
(_operationNode$variab = operationNode.variableDefinitions) !== null &&
_operationNode$variab !== void 0
? _operationNode$variab
: [];
const seenVariableDefinitions = (0, _groupBy.groupBy)(
variableDefinitions,
(node) => node.variable.name.value,
);
for (const [variableName, variableNodes] of seenVariableDefinitions) {
if (variableNodes.length > 1) {
context.reportError(
new _GraphQLError.GraphQLError(
`There can be only one variable named "$${variableName}".`,
{
nodes: variableNodes.map((node) => node.variable.name),
},
),
);
}
}
},
};
}
Version data entries
26 entries across 26 versions & 1 rubygems