Fix toMillis() called twice on firestore doc message timestamp. #488
+2
−2
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Error detail:
Uncaught TypeError: Cannot read property 'toMillis' of null
at main.js:77
at Array.forEach ()
at Object.next (main.js:72)
at next (database.ts:1973)
at async_observer.ts:51
It is because
function loadMessages()
has already providedmessage.timestamp.toMillis
tofunction displayMessage()