Add emote prefix to channel information query
When you get channel information, a missing piece of key information that would be useful is their base emote prefix (if applicable, if they are >= affiliate)
https://dev.twitch.tv/docs/api/reference/#get-channel-information
This usually is calculatable, except when it isn't, or has been changed (in rare cases for aff, but often for partner), or when it conflicts and is something with a suffix
Currently the only way to get this base prefix is do a query for "Get Channel Emotes" aka https://dev.twitch.tv/docs/api/reference/#get-channel-emotes
then loop over all the "name" fields, and calculate the shortest common prefix string. This is fairly trivial to do in code, but does require pulling a much larger data set (many established channels have a LOT of emotes, and lots of meta data each), just to not use most of the data.
This would instead be just 1 additional field in the /helix/channels payload, just another optional broadcaster_* field, such as broadcaster_prefix
Uberfuzzy
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