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path: root/packages/utils/src/fetchAsync.ts
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import isNode = require('detect-node');
import 'isomorphic-fetch';

export const fetchAsync = async (
    endpoint: string,
    options: RequestInit = {},
    timeoutMs: number = 20000,
): Promise<Response> => {
    let optionsWithAbortParam;
    if (isNode) {
        const controller = new AbortController();
        const signal = controller.signal;
        setTimeout(() => {
            controller.abort();
        }, timeoutMs);
        optionsWithAbortParam = {
            signal,
            ...options,
        };
    } else {
        // HACK: the `timeout` param only exists in `node-fetch`, and not on the `isomorphic-fetch`
        // `RequestInit` type. Since `isomorphic-fetch` conditionally wraps `node-fetch` when the
        // execution environment is `Node.js`, we need to cast it to `any` in that scenario.
        optionsWithAbortParam = {
            timeout: timeoutMs,
            ...options,
        } as any;
    }

    const response = await fetch(endpoint, optionsWithAbortParam);
    return response;
};