* Enable lint rules for Promise handling to discourage misuse of them.
Squashed all of Hugh's commits into one.
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Co-authored-by: Hugh Nimmo-Smith <hughns@element.io>
We need to be consistent about whether we import matrix-js-sdk from `src` or
`lib`, otherwise we get two copies of matrix-js-sdk, and everything explodes.
* Load focus information from well known and use client config only as a fallback.
Signed-off-by: Timo K <toger5@hotmail.de>
Co-authored-by: Andrew Ferrazzutti <andrewf@element.io>
This upgrade came with a number of new lints that needed to be fixed across the code base. Primarily: explicit return types on functions, and explicit visibility modifiers on class members.