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authorMinteck <contact@minteck.org>2022-10-18 08:59:09 +0200
committerMinteck <contact@minteck.org>2022-10-18 08:59:09 +0200
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+// @flow strict
+import { GraphQLError } from '../../error/GraphQLError';
+
+import type { ASTVisitor } from '../../language/visitor';
+import { Kind } from '../../language/kinds';
+import { isExecutableDefinitionNode } from '../../language/predicates';
+
+import type { ASTValidationContext } from '../ValidationContext';
+
+/**
+ * Executable definitions
+ *
+ * A GraphQL document is only valid for execution if all definitions are either
+ * operation or fragment definitions.
+ */
+export function ExecutableDefinitionsRule(
+ context: ASTValidationContext,
+): ASTVisitor {
+ return {
+ Document(node) {
+ for (const definition of node.definitions) {
+ if (!isExecutableDefinitionNode(definition)) {
+ const defName =
+ definition.kind === Kind.SCHEMA_DEFINITION ||
+ definition.kind === Kind.SCHEMA_EXTENSION
+ ? 'schema'
+ : '"' + definition.name.value + '"';
+ context.reportError(
+ new GraphQLError(
+ `The ${defName} definition is not executable.`,
+ definition,
+ ),
+ );
+ }
+ }
+ return false;
+ },
+ };
+}