Clean up the "anchor" values around the message list#3883

Merged

chrisbobbe merged 5 commits intozulip:masterfrom

gnprice:pr-msglist-anchor

Feb 11, 2020

Commits on Feb 11, 2020

msglist [nfc]: Cut the near-vacuous helper `findAnchor`.

gnprice
authored and
Chris Bobbe
committed
msglist [nfc]: Rename a helper to getFirstUnreadIdInNarrow.

gnprice
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Chris Bobbe
committed
msglist: Make the caching actually work in getFirstUnreadIdInNarrow.

gnprice
authored and
Chris Bobbe
committed
msglist [nfc]: Use `null`, not 0, as "no such first-unread" sentinel.

gnprice
authored and
Chris Bobbe
committed
msglist [nfc]: Rename the "message to scroll to" prop, from "anchor".

gnprice
authored and
Chris Bobbe
committed