netlify-cli/dist/lib/functions/local-proxy.js

Netlify command line tool

import { stdout } from 'process';
import { getBinaryPath as getFunctionsProxyPath } from '@netlify/local-functions-proxy';
import execa from '../../utils/execa.js';
export const runFunctionsProxy = async ({ binaryPath, context, directory, event, name, timeout, }) => {
    const functionsProxyPath = await getFunctionsProxyPath();
    const requestData = {
        resource: '',
        ...event,
        headers: {
            ...(typeof event.headers === 'object' ? event.headers : {}),
            'X-Amzn-Trace-Id': '1a2b3c4d5e6f',
        },
        requestContext: {
            ...context,
            httpMethod: event.httpMethod || 'GET',
            requestTimeEpoch: 0,
        },
    };
    if (functionsProxyPath === null) {
        throw new Error('Host machine does not support local functions proxy server');
    }
    const parameters = [
        '--event',
        JSON.stringify(requestData),
        '--command',
        binaryPath,
        '--working-dir',
        directory,
        '--name',
        name,
        '--timeout',
        `${timeout.toString()}s`,
    ];
    const proxyProcess = execa(functionsProxyPath, parameters);
    proxyProcess.stderr?.pipe(stdout);
    return proxyProcess;
};
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