reselect.node.txt

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VERSION ==>                       #2.3.4
                                  #Reduce several functions with same arguments into a single one:
                                  #  - FUNC(ARGS)->VAL + FUNC2(ARGS)->VAL2 + ...
                                  #  -> REDUCE(VAL, VAL2, ...)->VAL0
                                  #  -> FUNC0(ARGS)->VAL0
                                  #Alternative (structuredSelector):
                                  #  - FUNC(ARGS)->VAL + FUNC2(ARGS)->VAL2 + ...
                                  #  -> FUNC0(ARGS)->{ VAR: VAL, VAR2: VAL2 }
                                  #Since FUNC0 has same arguments, it can be used in same places as FUNC[2]
                                  #Often used in Flux, e.g. React-Redux: translating STORE state into components PROPS

SL_FUNC(SL_ARGS...)->SL_RET       #"Selector" function.
                                  #Must be pure because following methods memoize each call (using ===)
                                  #(can customize memoization, see source code)

RESELECT.createSelector
(SL_FUNC...|SL_FUNC_ARR,
FUNC3(SL_RET...)->SL_RET2)        #Returns SL_FUNC2(SL_ARGS...)->SL_RET2

RESELECT.createStructuredSelector
({ VAR: SL_FUNC ... })            #Returns SL_FUNC2(SL_ARGS...)->{ VAR: SL_RET ... }