an alternative, if you prefer, understandably, to avoid firing up an instance of JSContext from AppleScript (but would still like a tested date library to handle the edge cases) is to:
- add the incantation
"use framework Foundation"at the top of your script, - and study the ObjC (rather than Swift) documentation of
NSISO8601DateFormatter
https://developer.apple.com/documentation/foundation/nsiso8601dateformatter
Here’s a first sketch, but it might be good to test a bit and read up the details, just in case I’ve missed anything.
(remember of course, that once we use the ObjC interface, we have to be careful to clear any C pointer references before the script ends, either simply with end tell , or by resetting any variables pointing to ObjC interface values to missing value
use AppleScript version "2.4" -- Yosemite (10.10) or later
use framework "Foundation"
use scripting additions
-- https://developer.apple.com/documentation/foundation/nsiso8601dateformatter
-- dateFromTbxString :: String -> Date
on dateFromTbxString(isoDateString)
if "never" ≠ isoDateString then
set ca to current application
tell ca's NSISO8601DateFormatter's alloc's init()
set its formatOptions to (ca's NSISO8601DateFormatWithInternetDateTime as integer)
set dteParsed to (its dateFromString:(isoDateString)) as date
end tell
return dteParsed
else
return missing value
end if
end dateFromTbxString
-- TEST -----------------------------------------------------------
-- Assuming a selected note with a date value other than 'never' in the StartDate attribute
on run
tell application "Tinderbox 8"
tell selected note of front document to set strDate to value of attribute "StartDate"
end tell
return dateFromTbxString(strDate)
end run