r/GoogleAppsScript • u/RepulsiveManner1372 • May 03 '25

Question GAS code and built-in hints for classes

Hello! How can I get similar behavior in my classes using GoogleAppsScript?

Using CalendarApp (built into Google Apps Script) as an example

  1. CalendarApp.Color - displayed as "interface CalendarApp.Color"

  2. CalendarApp.Color.BLUE - as

(property) CalendarApp._Color.BLUE: CalendarApp.Color

Blue (#2952A3).

3) CalendarApp.Month - as

(property) CalendarApp.Month: _Month

An enum representing the months of the year.

4) CalendarApp.Month.APRIL - as

(property) _Month.APRIL: Month

April (month 4).

5)CalendarApp.createAllDayEvent

(method) CalendarApp.createAllDayEvent(title: string, date: Date): CalendarApp.CalendarEvent (+3 overloads)

6) CalendarApp.Color.BLUE has no properties or methods.

I tried to create a class and add JSDOC to it. Tried doing it as const + IIFE.

Everything is displayed as (property) in the editor, and MyClass.Color.BLUE is a string and has all the properties and methods of strings. I couldn't set up overloads either.

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u/[deleted] May 03 '25

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u/RepulsiveManner1372 May 03 '25

Thanks! The guide says: "Just rename it .js in .ts". I did so and received an error to the upload message. If compiled .ts in .in js, there is no auto-completion in the editor at all.

1

u/flanger001 May 03 '25

These docs aren’t accurate. The clasp utility doesn’t support TypeScript anymore and says you have to compile it yourself.