@graphql-mesh/utils/esm/wrapFetchWithHooks.js

import { isPromise } from '@graphql-tools/utils';
import { iterateAsync } from './iterateAsync.js';
export function wrapFetchWithHooks(onFetchHooks) {
    return function wrappedFetchFn(url, options, context, info) {
        let fetchFn;
        const doneHooks = [];
        function setFetchFn(newFetchFn) {
            fetchFn = newFetchFn;
        }
        const result$ = iterateAsync(onFetchHooks, onFetch => onFetch({
            fetchFn,
            setFetchFn,
            url,
            setURL(newUrl) {
                url = String(newUrl);
            },
            options,
            setOptions(newOptions) {
                options = newOptions;
            },
            context,
            info,
        }), doneHooks);
        function handleIterationResult() {
            const response$ = fetchFn(url, options, context, info);
            if (doneHooks.length === 0) {
                return response$;
            }
            if (isPromise(response$)) {
                return response$.then(response => handleOnFetchDone(response, doneHooks));
            }
            return handleOnFetchDone(response$, doneHooks);
        }
        if (isPromise(result$)) {
            return result$.then(handleIterationResult);
        }
        return handleIterationResult();
    };
}
function handleOnFetchDone(response, onFetchDoneHooks) {
    function setResponse(newResponse) {
        response = newResponse;
    }
    const result$ = iterateAsync(onFetchDoneHooks, onFetchDone => onFetchDone({
        response,
        setResponse,
    }));
    if (isPromise(result$)) {
        return result$.then(() => response);
    }
    return response;
}