@graphql-tools/executor-apollo-link/esm/index.js

A set of utils for faster development of GraphQL tools

import * as apolloImport from '@apollo/client';
import { isAsyncIterable } from '@graphql-tools/utils';
const apollo = apolloImport?.default ?? apolloImport;
function createApolloRequestHandler(executor) {
    return function ApolloRequestHandler(operation) {
        return new apollo.Observable(observer => {
            Promise.resolve().then(async () => {
                const executionRequest = {
                    document: operation.query,
                    variables: operation.variables,
                    operationName: operation.operationName,
                    extensions: operation.extensions,
                    context: operation.getContext(),
                };
                try {
                    const results = await executor(executionRequest);
                    if (isAsyncIterable(results)) {
                        for await (const result of results) {
                            if (observer.closed) {
                                return;
                            }
                            observer.next(result);
                        }
                        observer.complete();
                    }
                    else if (!observer.closed) {
                        observer.next(results);
                        observer.complete();
                    }
                }
                catch (e) {
                    if (!observer.closed) {
                        observer.error(e);
                    }
                }
            });
        });
    };
}
export class ExecutorLink extends apollo.ApolloLink {
    constructor(executor) {
        super(createApolloRequestHandler(executor));
    }
}