@shower/cli/core/lib/npm.js

Command line interface for Shower

import { execFile } from 'node:child_process';
import { promisify } from 'node:util';

const execFileAsync = promisify(execFile);

/**
 * Install node modules and save to dependencies in package.json
 * @param {string} cwd cwd dir
 * @param {string|string[]} packages Node module or modules to install
 * @param {string} mode Type package installing
 * @returns {void}
 */
export async function installDependencies (cwd, packages, mode = 'save') {
	packages = Array.isArray(packages) ? packages : [packages];

	try {
		return await execFileAsync('npm', ['i', '--package-lock', `--${mode}`].concat(packages), { cwd });
	} catch (error) {
		if (error.code === 'ENOENT') {
			const pluralS = packages.length > 1 ? 's' : '';

			console.error(`Could not execute npm. Please install the following package${pluralS} with a package manager of your choice: ${packages.join(', ')}`);
		} else {
			throw error;
		}
	}
}