Intro

Google Apps Script is a JavaScript-based platform for automating Google Workspace tools (Google Sheets, Drive, Forms, Gmail).

• Automate Google Sheets workflows
• Build triggers (time-based, onEdit, onOpen)
• Call external APIs
• Create custom menus and UI (sidebars/dialogs)

Resources

• Elevate Your Coding: Harnessing Design Patterns in Google Apps Script
• https://www.reddit.com/r/GoogleAppsScript/comments/ht0dxd/best_practices_and_tips_for_gas/

Best Practices

Best practices ¹ for designing a Google Sheets system with Apps Script

• Batch reads/writes (getValues, setValues)
• Minimize spreadsheet calls (each call adds significant latency)
• Use caching for repeated data
• Split long jobs with triggers
• Use try/catch for reliability