grant / apps-script-to-node

A migration guide for moving scripts from Apps Script to Node

Apps Script -> Node

A migration guide for moving scripts from Apps Script to Node on GCP.

Why?

Node as dozens of benefits over Apps Script. On the other hand, we can't just abandon existing Apps Script users. This provides a guide for migrating to Node.

Core Features

Feature	Node	Apps Script
Runtime	V8	Rhino
Library System	npm	custom library
Open Source	open	closed
Platform	Run anywhere	Run on Google Apps Script
OAuth	Hard	Easy, no code
Hosting	Anywhere that can run Node	Google – US
Quotas	Can be handled by user	Fail script
G Suite Events	Not possible	Custom event handlers
Multi-login	Possible	Not possible
Google APIs	Node Client Library	Advanced Services
G Suite Sidebar Add-ons	Not possible	Possible – HtmlService
Hangouts Chat Bots	HTTP/PubSub	Function + Deployment
Web Apps	App Engine	Deploy as Web App
API	App Engine/GCF	Deploy as API
Tools	npm tools/bash	Apps Script API
Billing	API quotas	free but with quotas
Quota	Flexible paid	Free w/ hard limits
Publishing	npm	G Suite Marketplace
Code editor	any editor	script.google.com
Management UI	Cloud Console	script.google.com

Services

Apps Script has 3 sets of services for computation.

• G Suite services: Access APIs like Drive, Gmail, Calendar, Docs, Sheets, and others.
• Advanced Google services: Access Google APIs via their REST API.
• Script services: Utilities like logging, HTML, and caching.

G Suite Services

• Calendar
• Contacts
• Data Studio
• Document
• Drive
• Forms
• Gmail
• Group
• Groups
• Language
• Maps
• Sites
• Slides
• Spreadsheet

Advanced Services

• Admin SDK (Directory/License/Groups Migration/Groups Settings/Reseller/Reports)
• AdSense
• BigQuery
• Calendar
• Classroom
• DoubleClick
• Drive (Drive/Activity)
• Gmail
• G+
• Mirror
• People
• Sheets
• Shopping Content
• Slides
• Tasks
• Tag Manager
• YouTube (Data, Analytics, Content ID)

Script Services

• Base (Browser, Logger, Session, console, Blob, User)
• Add-on: Menu, Prompt, Ui,
• CacheService (Ducment/Script/User Cache)
• CardService
• Charts
• ContentService
• HtmlService
• JDBC
• LockService
• MailApp
• LinearOptimizationService
• PropertiesService
• ScriptApp
• *TriggerBuilder
• UrlFetchApp
• Utilities
• XmlService