The users currently typing, with expired entries pruned. Schedules a redraw for when the most recent entry will expire, so the indicator clears itself.
Record an incoming typing event.
Whether we are allowed to know who is typing is decided server-side — a name only reaches us if we are entitled to it — so this just renders what arrived. A hidden user we are permitted to see is labelled as such, so it's clear they are invisible to everyone else.
Clear any pending expiry timer. Call when the owner is torn down.
Holds the set of users currently typing in a discussion.
The realtime socket feeds incoming
client-typingevents in via add, and the TypingIndicator component reads the live, expiry-pruned set via active. Keeping this state separate from PostStream lets the indicator be rendered anywhere — a theme or extension can hold its own TypingState and pass it to