52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.schemaDefinitionNotAloneMessage = schemaDefinitionNotAloneMessage;
|
|
exports.canNotDefineSchemaWithinExtensionMessage = canNotDefineSchemaWithinExtensionMessage;
|
|
exports.LoneSchemaDefinition = LoneSchemaDefinition;
|
|
|
|
var _GraphQLError = require("../../error/GraphQLError");
|
|
|
|
/**
|
|
* Copyright (c) 2018-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* strict
|
|
*/
|
|
function schemaDefinitionNotAloneMessage() {
|
|
return 'Must provide only one schema definition.';
|
|
}
|
|
|
|
function canNotDefineSchemaWithinExtensionMessage() {
|
|
return 'Cannot define a new schema within a schema extension.';
|
|
}
|
|
/**
|
|
* Lone Schema definition
|
|
*
|
|
* A GraphQL document is only valid if it contains only one schema definition.
|
|
*/
|
|
|
|
|
|
function LoneSchemaDefinition(context) {
|
|
var oldSchema = context.getSchema();
|
|
var alreadyDefined = oldSchema && (oldSchema.astNode || oldSchema.getQueryType() || oldSchema.getMutationType() || oldSchema.getSubscriptionType());
|
|
var schemaDefinitionsCount = 0;
|
|
return {
|
|
SchemaDefinition: function SchemaDefinition(node) {
|
|
if (alreadyDefined) {
|
|
context.reportError(new _GraphQLError.GraphQLError(canNotDefineSchemaWithinExtensionMessage(), node));
|
|
return;
|
|
}
|
|
|
|
if (schemaDefinitionsCount > 0) {
|
|
context.reportError(new _GraphQLError.GraphQLError(schemaDefinitionNotAloneMessage(), node));
|
|
}
|
|
|
|
++schemaDefinitionsCount;
|
|
}
|
|
};
|
|
} |