45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.schemaDefinitionNotAloneMessage = schemaDefinitionNotAloneMessage;
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exports.canNotDefineSchemaWithinExtensionMessage = canNotDefineSchemaWithinExtensionMessage;
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exports.LoneSchemaDefinition = LoneSchemaDefinition;
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var _GraphQLError = require("../../error/GraphQLError");
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function schemaDefinitionNotAloneMessage() {
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return 'Must provide only one schema definition.';
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}
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function canNotDefineSchemaWithinExtensionMessage() {
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return 'Cannot define a new schema within a schema extension.';
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}
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/**
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* Lone Schema definition
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*
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* A GraphQL document is only valid if it contains only one schema definition.
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*/
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function LoneSchemaDefinition(context) {
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var oldSchema = context.getSchema();
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var alreadyDefined = oldSchema && (oldSchema.astNode || oldSchema.getQueryType() || oldSchema.getMutationType() || oldSchema.getSubscriptionType());
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var schemaDefinitionsCount = 0;
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return {
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SchemaDefinition: function SchemaDefinition(node) {
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if (alreadyDefined) {
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context.reportError(new _GraphQLError.GraphQLError(canNotDefineSchemaWithinExtensionMessage(), node));
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return;
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}
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if (schemaDefinitionsCount > 0) {
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context.reportError(new _GraphQLError.GraphQLError(schemaDefinitionNotAloneMessage(), node));
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}
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++schemaDefinitionsCount;
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}
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};
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}
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