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ics-viewer: unwrap attachments and widen the calendar part match

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The panel never appears on a real invitation.

msg.attachments is a ko.observableArray, so msg.attachments.find() is
undefined and throws inside the message subscription - the rest of the
handler, including the JSON-LD path, dies with it. The app itself always
writes attachments().

A scheduling mail also does not necessarily carry a text/calendar
attachment. Evolution and Exchange put the scheduling part inline in
multipart/alternative as text/calendar and repeat it as an
application/ics attachment, so such a message shows two .ics files and
the current test matches neither reliably. Match text/calendar,
application/ics, text/x-vcalendar or an .ics file name - which is what
the commented-out line above was reaching for.
This commit is contained in:
Fathi Ben Nasr 2026-08-14 10:12:06 +00:00
parent c154d23cfe
commit 8a2d8e86a5
1 changed files with 11 additions and 4 deletions
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15
plugins/ics-viewer/message.js
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@ -86,10 +86,17 @@
});
}
});
// ICS attachment
// let ics = msg.attachments.find(attachment => 'application/ics' == attachment.mimeType);
let ics = msg.attachments.find(attachment => 'text/calendar' == attachment.mimeType);
// ICS attachment.
// attachments is a ko.observableArray, so it must be
// unwrapped before array methods are used on it.
// A scheduling mail does not always carry a text/calendar
// attachment either: the part is often inline inside
// multipart/alternative and repeated as application/ics.
let ics = (msg.attachments() || []).find(attachment =>
'text/calendar' == attachment.mimeType
|| 'application/ics' == attachment.mimeType
|| 'text/x-vcalendar' == attachment.mimeType
|| /\.ics$/i.test(attachment.fileName || ''));
if (ics && ics.download) {
// fetch it and parse the VEVENT