@graphql-tools/graphql
Version:
Fork of GraphQL.js
29 lines (28 loc) • 1.28 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.VariablesAreInputTypesRule = void 0;
const GraphQLError_js_1 = require("../../error/GraphQLError.js");
const printer_js_1 = require("../../language/printer.js");
const definition_js_1 = require("../../type/definition.js");
const typeFromAST_js_1 = require("../../utilities/typeFromAST.js");
/**
* Variables are input types
*
* A GraphQL operation is only valid if all the variables it defines are of
* input types (scalar, enum, or input object).
*
* See https://spec.graphql.org/draft/#sec-Variables-Are-Input-Types
*/
function VariablesAreInputTypesRule(context) {
return {
VariableDefinition(node) {
const type = (0, typeFromAST_js_1.typeFromAST)(context.getSchema(), node.type);
if (type !== undefined && !(0, definition_js_1.isInputType)(type)) {
const variableName = node.variable.name.value;
const typeName = (0, printer_js_1.print)(node.type);
context.reportError(new GraphQLError_js_1.GraphQLError(`Variable "$${variableName}" cannot be non-input type "${typeName}".`, { nodes: node.type }));
}
},
};
}
exports.VariablesAreInputTypesRule = VariablesAreInputTypesRule;