@graphql-tools/executor/esm/execution/normalizedExecutor.js

Fork of GraphQL.js' execute function

import { getOperationAST } from 'graphql';
import { handleMaybePromise } from '@whatwg-node/promise-helpers';
import { execute, flattenIncrementalResults, isIncrementalResults, subscribe, } from './execute.js';
export function normalizedExecutor(args) {
    const operationAST = getOperationAST(args.document, args.operationName);
    if (operationAST == null) {
        throw new Error('Must provide an operation.');
    }
    if (operationAST.operation === 'subscription') {
        return subscribe(args);
    }
    return handleMaybePromise(() => execute(args), result => {
        if (isIncrementalResults(result)) {
            return flattenIncrementalResults(result);
        }
        return result;
    });
}
const executorFromSchemaCache = new WeakMap();
export function executorFromSchema(schema) {
    let schemaExecutor = executorFromSchemaCache.get(schema);
    if (schemaExecutor === undefined) {
        schemaExecutor = function schemaExecutor(request) {
            return normalizedExecutor({
                schema,
                document: request.document,
                variableValues: request.variables,
                operationName: request.operationName,
                rootValue: request.rootValue,
                contextValue: request.context,
                signal: request.signal || request.info?.signal,
                schemaCoordinateInErrors: request.schemaCoordinateInErrors,
            });
        };
        executorFromSchemaCache.set(schema, schemaExecutor);
    }
    return schemaExecutor;
}