* warn when returning different hooks on next render
like it says. adds a field to Hook to track effect 'type', and compares when cloning subsequently.
* lint
* review changes
- numbered enum for hook types
- s/hookType/_debugType
- better dce
* cleaner detection location
* redundant comments
* different EffectHook / LayoutEffectHook
* prettier
* top level currentHookType
* nulling currentHookType
need to verify dce still works
* small enhancements
* hook order checks for useContext/useImperative
* prettier
* stray whitespace
* move some bits around
* better errors
* pass tests
* lint, flow
* show a before - after diff
* an error stack in the warning
* lose currentHookMatches, fix a test
* tidy
* clear the mismatch only in dev
* pass flow
* side by side diff
* tweak warning
* pass flow
* dedupe warnings per fiber, nits
* better format
* nit
* fix bad merge, pass flow
* lint
* missing hooktype enum
* merge currentHookType/currentHookNameInDev, fix nits
* lint
* final nits
ecd919a2f9