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This is a simple and efficient implementation of a frequently requested feature.
Currently if you want to pass outside args to fetcher (which may change during the lifecycle):
It doesn't work, because the cache is indexed by the key. Which means if your
args
change, a SWR refetch will not be triggered.Use Cases
GraphQL:
Multiple params:
New API
This implementation doesn't break any existing API or behavior, but allows you to use an array as the
key
param:And
arg
can be any value, object or even function. SWR will use those args as the key of the cache, and pass them as arguments tofetcher
:Notes
Same as React Hook deps, don't pass anonymous objects/arrays/functions, e.g.:
Related: #37, #93.
Closes #40, closes #23.