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27 lines
867 B
TypeScript
27 lines
867 B
TypeScript
// Loaded from https://deno.land/x/graphql_deno@v15.0.0/lib/validation/rules/LoneAnonymousOperationRule.js
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import { GraphQLError } from '../../error/GraphQLError.js';
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import { Kind } from '../../language/kinds.js';
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/**
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* Lone anonymous operation
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*
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* A GraphQL document is only valid if when it contains an anonymous operation
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* (the query short-hand) that it contains only that one operation definition.
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*/
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export function LoneAnonymousOperationRule(context) {
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let operationCount = 0;
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return {
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Document(node) {
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operationCount = node.definitions.filter(definition => definition.kind === Kind.OPERATION_DEFINITION).length;
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},
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OperationDefinition(node) {
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if (!node.name && operationCount > 1) {
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context.reportError(new GraphQLError('This anonymous operation must be the only defined operation.', node));
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}
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}
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};
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} |