@graphql-yoga/plugin-persisted-operations/esm/index.js

Persisted Operations plugin for GraphQL Yoga.

import { createGraphQLError, } from 'graphql-yoga';
export const defaultExtractPersistedOperationId = (params) => {
    if (params.extensions != null &&
        typeof params.extensions === 'object' &&
        params.extensions?.persistedQuery != null &&
        typeof params.extensions?.persistedQuery === 'object' &&
        params.extensions?.persistedQuery.version === 1 &&
        typeof params.extensions?.persistedQuery.sha256Hash === 'string') {
        return params.extensions?.persistedQuery.sha256Hash;
    }
    return null;
};
export function usePersistedOperations({ allowArbitraryOperations = false, extractPersistedOperationId = defaultExtractPersistedOperationId, getPersistedOperation, skipDocumentValidation = false, }) {
    const operationASTByRequest = new WeakMap();
    const persistedOperationRequest = new WeakSet();
    return {
        async onParams({ request, params, setParams }) {
            if (params.query) {
                if ((typeof allowArbitraryOperations === 'boolean'
                    ? allowArbitraryOperations
                    : await allowArbitraryOperations(request)) === false) {
                    throw createGraphQLError('PersistedQueryOnly');
                }
                return;
            }
            const persistedOperationKey = extractPersistedOperationId(params);
            if (persistedOperationKey == null) {
                throw createGraphQLError('PersistedQueryNotFound');
            }
            const persistedQuery = await getPersistedOperation(persistedOperationKey);
            if (persistedQuery == null) {
                throw createGraphQLError('PersistedQueryNotFound');
            }
            if (typeof persistedQuery === 'object') {
                setParams({
                    query: `__PERSISTED_OPERATION_${persistedOperationKey}__`,
                    variables: params.variables,
                    extensions: params.extensions,
                });
                operationASTByRequest.set(request, persistedQuery);
            }
            else {
                setParams({
                    query: persistedQuery,
                    variables: params.variables,
                    extensions: params.extensions,
                });
            }
            persistedOperationRequest.add(request);
        },
        onValidate({ setResult, context: { request } }) {
            if (skipDocumentValidation && persistedOperationRequest.has(request)) {
                setResult([]); // skip validation
            }
        },
        onParse({ setParsedDocument, context: { request } }) {
            const ast = operationASTByRequest.get(request);
            if (ast) {
                setParsedDocument(ast);
            }
        },
    };
}