AppleScript 'do script' no longer works with InDesign CC 2020?

Question

Dear Community, I'm trying to launch Javascript/ExtendScript from AppleScript in recent InDesign using "do script" command. Is that still possible? I'm getting errors as if the command is no longer valid tell application "Adobe InDesign 2020"
    activate
    set jsx_script to "Macintosh HD:Users:xxx:project:script.jsx"
    set val_1 to "Foo"
    set val_1 to "Bar"
    set my_values to {val_1, val_2}
    do script jsx_script language javascript with arguments my_values
end tell This generates a syntax error at the `do script` line: "Expected end of line, etc. but found “script”." Any ideas?

rob day · Answer

You haven’t defined val_2—val_1 is set to "Foo" and "Bar". The error is being generated from something in the JS you are calling.

This works for me:

tell application "Adobe InDesign 2020"
	activate
	set jsx_script to "...Desktop:HelloWorld.jsx"
	set a to "Foo"
	set b to "Bar"
	set my_values to {a, b}
	do script jsx_script language javascript with arguments my_values
end tell

The HelloWorld JS:

var a1 = arguments[0];
var a2 = arguments[1];

alert(a1 + "  " + a2);

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