deployer/contrib/npm.php

<?php
/* (c) Anton Medvedev <anton@medv.io>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Deployer;

set('bin/npm', function () {
    return run('which npm');
});

desc('Install npm packages');
task('npm:install', function () {
    if (has('previous_release')) {
        if (test('[ -d {{previous_release}}/node_modules ]')) {
            run('cp -R {{previous_release}}/node_modules {{release_path}}');
            
            // If package.json is unmodified, then skip running `npm install`
            if (!run('diff {{previous_release}}/package.json {{release_path}}/package.json')) {
                return;
            }
        }
    }
    run("cd {{release_path}} && {{bin/npm}} install");
});


desc('Install npm packages with a clean slate');
task('npm:ci', function () {
    run("cd {{release_path}} && {{bin/npm}} ci");
});