Mac multiline text replacement shortcuts not working

[slotterbackW]

📝 Provide detailed reproduction steps (if any)

On macs, you can create multiline text replacement shortcuts. (See accepted answer here: https://superuser.com/questions/1541755/multi-line-text-replacement-on-macos-or-ios). When using these shortcuts in CKEditor the shortcuts aren't expanded.

For example, if my shortcut is: mline which is replaced with:

make

multiline

magic

(Only the first line of the shortcut is displayed)

then when using that shortcut in CKEditor:

the result is:

✔️ Expected result

The shortcut is expanded and all lines are entered into the editor.

❌ Actual result

Only the first line is inserted:

❓ Possible solution

I'm pretty sure Apple doesn't really support multiline shortcuts, however, you can sort've trick the text replacement input field into using a multiline shortcut by seperating lines with soft-breaks. My guess is that something with the soft-break is messing up some logic in CKEditor.

📃 Other details

• Browser: Chrome Version 98.0.4758.109 (Official Build) (x86_64)
• OS: macOS Big Sur 11.6.2
• First affected CKEditor version: …
• Installed CKEditor plugins: was able to reproduce on the classic editor build

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[jswiderski]

I have checked the problem and the MAC feature is working fine inside native contenteditable element or CKEditor 4 but not in CKEditor 5.

NOTES:

• Single line replacements work fine.
• It seems that in single line replacements upon clicking on the replacement, last letter of the original word is inserted and then whole text is replaced with the replacement. In case of multi-line replacements only the last letter of the original work is inserted but there is no replacement - https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-typing/src/inputcommand.js#L72-L100. It has be be filtered out earlier in the code.