@deploystack/docker-to-iac/dist/src/utils/normalizePort.js

Translate docker run and docker compose file to Infrastructure as Code

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.normalizePort = normalizePort;
function normalizePort(portMapping) {
    // Remove any IP address prefix if present (e.g., "127.0.0.1:")
    const withoutIp = portMapping.replace(/^\d+\.\d+\.\d+\.\d+:/, '');
    // Handle environment variable with default value format ${VAR:-default}
    const processedPort = withoutIp.replace(/\${[^}]+:-(\d+)}/g, '$1');
    // Extract protocol if present
    let protocol;
    if (processedPort.includes('/')) {
        const [portPart, protocolPart] = processedPort.split('/');
        protocol = protocolPart;
        portMapping = portPart;
    }
    // Split port mapping
    const parts = processedPort.split(':');
    if (parts.length > 1) {
        return {
            host: Math.abs(parseInt(parts[0], 10)),
            container: Math.abs(parseInt(parts[1], 10)),
            protocol
        };
    }
    const port = Math.abs(parseInt(parts[0], 10));
    return {
        host: port,
        container: port,
        protocol
    };
}