45 lines
1.2 KiB
Plaintext
45 lines
1.2 KiB
Plaintext
// @flow strict
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import { GraphQLError } from '../../error/GraphQLError';
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import { Kind } from '../../language/kinds';
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import { type ASTVisitor } from '../../language/visitor';
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import { isExecutableDefinitionNode } from '../../language/predicates';
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import { type ASTValidationContext } from '../ValidationContext';
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export function nonExecutableDefinitionMessage(defName: string): string {
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return `The ${defName} definition is not executable.`;
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}
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/**
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* Executable definitions
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*
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* A GraphQL document is only valid for execution if all definitions are either
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* operation or fragment definitions.
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*/
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export function ExecutableDefinitions(
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context: ASTValidationContext,
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): ASTVisitor {
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return {
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Document(node) {
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for (const definition of node.definitions) {
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if (!isExecutableDefinitionNode(definition)) {
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context.reportError(
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new GraphQLError(
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nonExecutableDefinitionMessage(
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definition.kind === Kind.SCHEMA_DEFINITION ||
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definition.kind === Kind.SCHEMA_EXTENSION
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? 'schema'
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: definition.name.value,
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),
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definition,
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),
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);
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}
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}
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return false;
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},
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};
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}
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