react-cosmos/dist/devServer/httpsCreds.js

Sandbox for developing and testing UI components in isolation

import fs from 'fs';
import pem from 'pem';
let _cache;
export async function getHttpsCreds(config) {
    const { httpsOptions } = config;
    if (httpsOptions)
        return {
            key: fs.readFileSync(httpsOptions.keyPath, 'utf8'),
            cert: fs.readFileSync(httpsOptions.certPath, 'utf8'),
        };
    if (_cache)
        return _cache;
    console.log('[Cosmos] Generating HTTPS certificate');
    return await new Promise((resolve, reject) => {
        pem.createCertificate({ days: 1000, selfSigned: true }, (err, keys) => {
            if (err)
                reject(err);
            else {
                _cache = { key: keys.serviceKey, cert: keys.certificate };
                resolve(_cache);
            }
        });
    });
}