@mojojs/core/lib/cli/get.js

Real-time web framework

import chalk from 'chalk';
import nopt from 'nopt';
/**
 * Get command.
 */
export default async function getCommand(app, args) {
    const parsed = nopt({
        body: String,
        header: [String, Array],
        insecure: Boolean,
        method: String,
        redirect: Boolean,
        'socket-path': String,
        verbose: Boolean
    }, { b: '--body', H: '--header', k: '--insecure', X: '--method', P: '--socket-path', r: '--redirect', v: '--verbose' }, args, 1);
    const argv = parsed.argv;
    const request = {
        body: parsed.body,
        headers: parseHeaders(parsed.header),
        insecure: parsed.insecure,
        method: parsed.method ?? 'GET',
        socketPath: parsed['socket-path'],
        url: argv.remain[0] ?? '/'
    };
    const ua = await app.newMockUserAgent({ maxRedirects: parsed.redirect === true ? 10 : 0 });
    const res = await ua.request(request);
    if (parsed.verbose === true) {
        const stderr = process.stderr;
        const resVersion = chalk.blue('HTTP') + '/' + chalk.blue(res.httpVersion);
        const statusCode = res.statusCode;
        const statusMessage = chalk.blue(res.statusMessage);
        stderr.write(`${resVersion} ${statusCode} ${statusMessage}\n`);
        writeHeaders(res.headers.toArray());
    }
    if (argv.remain[1] !== undefined) {
        const html = await res.html();
        process.stdout.write(html
            .find(argv.remain[1])
            .map(el => el.toString())
            .join('') ?? '');
    }
    else {
        await res.pipe(process.stdout);
    }
    await ua.stop();
}
getCommand.description = 'Perform HTTP request';
getCommand.usage = `Usage: APPLICATION get [OPTIONS] URL [SELECTOR]

  node index.js get /
  node index.js get -X POST /hello
  node index.js get -H 'Accept: application/json' /api/test
  node index.js get https://mojolicious.org
  node index.js get https://mojolicious.org 'head > title'

Options:
  -b, --body <data>           Content to send with request
  -H, --header <name:value>   One or more additional HTTP headers
  -h, --help                  Show this summary of available options
  -k, --insecure              Do not require a valid TLS certificate to access
                              HTTPS sites
  -P, --socket-path <path>    UNIX domain socket path
  -r, --redirect              Follow up to 10 redirects
  -X, --method <method>       HTTP method to use, defaults to "GET"
  -v, --verbose               Print response headers to stderr
`;
function parseHeaders(list = []) {
    const headers = {};
    for (const pair of list) {
        const header = pair.split(/:\s+/);
        headers[header[0]] = header[1];
    }
    return headers;
}
function writeHeaders(headers) {
    const stderr = process.stderr;
    for (let i = 0; i < headers.length; i += 2) {
        stderr.write(chalk.cyan(headers[i]) + `: ${headers[i + 1]}\n`);
    }
    stderr.write('\n');
}
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