@graphql-tools/utils/esm/createDeferred.js

Common package containing utils and types for GraphQL tools

export function createDeferred() {
    if (Promise.withResolvers) {
        return Promise.withResolvers();
    }
    let resolve;
    let reject;
    const promise = new Promise((_resolve, _reject) => {
        resolve = _resolve;
        reject = _reject;
    });
    return { promise, resolve, reject };
}