AsyncServerlessPlugin

plugin.js

'use strict';

const BbPromise = require('bluebird');

class ServerlessPlugin {
    constructor(serverless, options) {
        this.serverless = serverless;
        this.options = options;
        this.log = this.serverless.cli.log.bind(this);
        this.commands = {};
        this.hooks = {
            'after:deploy:deploy': () => BbPromise.bind(this)
                .then(this.pluginAsyncAction)
        }
    }

    pluginAsyncAction() {
        this.serverless.cli.log('before deploy hook');

        let promise = BbPromise.fromCallback(cb => {
            setTimeout(() => {
                this.serverless.cli.log('async logic') // Simultate Async action. block next hook and runs after `after deploy hook` print 
                cb();
            }, 4000);
        });
        this.serverless.cli.log('after deploy hook');
        return promise;
    }

}

module.exports = ServerlessPlugin;