@graphql-mesh/serve-runtime/esm/getProxyExecutor.js

import { getOnSubgraphExecute } from '@graphql-mesh/fusion-runtime';
export function getProxyExecutor({ config, configContext, getSchema, onSubgraphExecuteHooks, disposableStack, }) {
    const fakeTransportEntryMap = {};
    let subgraphName = 'upstream';
    const onSubgraphExecute = getOnSubgraphExecute({
        onSubgraphExecuteHooks,
        transportEntryMap: new Proxy(fakeTransportEntryMap, {
            get(fakeTransportEntryMap, subgraphNameProp) {
                if (!fakeTransportEntryMap[subgraphNameProp]) {
                    subgraphName = subgraphNameProp;
                    fakeTransportEntryMap[subgraphNameProp] = {
                        kind: 'http',
                        subgraph: subgraphName.toString(),
                        location: config.proxy?.endpoint,
                        headers: config.proxy?.headers,
                        options: config.proxy,
                    };
                }
                return fakeTransportEntryMap[subgraphNameProp];
            },
        }),
        transportContext: configContext,
        getSubgraphSchema: getSchema,
        transportExecutorStack: disposableStack,
    });
    return function proxyExecutor(executionRequest) {
        return onSubgraphExecute(subgraphName, executionRequest);
    };
}