deno_memoize.deno.txt

                                  ┏━━━━━━━━━━━━━━━━━━┓
                                  ┃   DENO_MEMOIZE   ┃
                                  ┗━━━━━━━━━━━━━━━━━━┛

ALTERNATIVES ==>                  #See moize

VERSION ==>                       #Part of Deno
                                  #Browser compatible

@std/cache/memoize               !#
memoize(FUNC[, OPTS])->FUNC2      #Returns memoized FUNC
                                  #Does not cache if FUNC throws
                                  #If async, PROMISE is initially cached, but then removed if it is rejected
OPTS.getKey                       #FUNC(...ARGS)->VAL computing cache key
                                  #Def:
                                  #  - undefined|null|BOOL|NUM -> String()
                                  #  - STR -> '"..."'
                                  #  - BIGINT -> 'NUMn'
                                  #  - SYM -> 'Symbol.for(SYM.description)'
                                  #  - OBJ|ARR -> '{UINT}'
                                  #     - incremented from 0, for a given FUNC2
                                  #     - each UINT represents a specific identity
                                  #        - i.e. as if a WeakMap was used
                                  #        - but actually use a FinalizationRegistry under-the-hood
                                  #  - if several args, joined by ,
OPTS.cache                        #MAP (only get|set|has|delete() needed) (def: new Map()) storing results
                                  #E.g. can use deno LRU cache (see its doc)
FUNC.length|name                  #Are kept