@mesh-tech/mesh-cli/dist/src/commands/dev-launch.js

CLI for Mesh platform development utilities

import * as fs from 'fs';
import * as net from 'net';
import * as path from 'path';
export const ENV_FILE_MODE = 0o600;
const ENV_KEY_RE = /^[A-Za-z_][A-Za-z0-9_]*$/;
export function quoteShellValue(value) {
    return `'${value.replace(/'/g, "'\\''")}'`;
}
export function renderEnvFile(env) {
    const lines = [
        '# Auto-generated by mesh dev — do not edit.',
        '# Sourced by service launch/restart commands; this file IS the',
        "# session's env contract for the service (restart fidelity).",
    ];
    for (const [key, value] of Object.entries(env)) {
        if (!ENV_KEY_RE.test(key)) {
            throw new Error(`Invalid env var name for env file: ${JSON.stringify(key)}`);
        }
        lines.push(`export ${key}=${quoteShellValue(value)}`);
    }
    return lines.join('\n') + '\n';
}
export function envFileName(serviceName) {
    return `${serviceName.replace(/[^A-Za-z0-9._-]/g, '-')}.env.sh`;
}
export function writeEnvFile(filePath, env) {
    fs.mkdirSync(path.dirname(filePath), { recursive: true });
    fs.writeFileSync(filePath, renderEnvFile(env), { mode: ENV_FILE_MODE });
    fs.chmodSync(filePath, ENV_FILE_MODE);
}
export function buildLaunchCommand(envFilePath, dir, command, logShipper) {
    const base = `cd ${quoteShellValue(dir)} && source ${quoteShellValue(envFilePath)} && `;
    if (!logShipper)
        return `${base}${command}`;
    return `${base}{ ${command}; } 2>&1 | NODE_OPTIONS= node ${quoteShellValue(logShipper)}`;
}
export async function waitForPort(host, port, timeoutMs, intervalMs = 500) {
    const deadline = Date.now() + timeoutMs;
    for (;;) {
        const remaining = deadline - Date.now();
        const attemptTimeout = Math.max(250, Math.min(1000, remaining));
        if (await tryConnect(host, port, attemptTimeout))
            return true;
        if (Date.now() + intervalMs >= deadline)
            return false;
        await new Promise((resolve) => setTimeout(resolve, intervalMs));
    }
}
function tryConnect(host, port, timeoutMs) {
    return new Promise((resolve) => {
        const socket = net.connect({ host, port });
        const done = (ok) => {
            socket.removeAllListeners();
            socket.destroy();
            resolve(ok);
        };
        socket.setTimeout(timeoutMs);
        socket.once('connect', () => done(true));
        socket.once('timeout', () => done(false));
        socket.once('error', () => done(false));
    });
}