middy_validator.middy.txt

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                                  ┃   MIDDY_VALIDATOR   ┃
                                  ┗━━━━━━━━━━━━━━━━━━━━━┛

ALTERNATIVES ==>                  #See API request response validation doc

@middy/validator                  #Version: part of Middy (see its doc)

VALIDATOR([OPTS])->MIDDY_MDWR     #Validates REQ|RES

OPTS.eventSchema                  #FUNC(REQ)->[>]BOOL (def: none)
                                  #If returns false, throws MIDDY_ERROR 400
                                  #Done in 'before' STEP
OPTS.contextSchema                #FUNC(NCONTEXT)->[>]BOOL (def: none)
                                  #If returns false, throws MIDDY_ERROR 500
                                  #Done in 'before' STEP
OPTS.responseSchema               #FUNC(RES)->[>]BOOL (def: none)
                                  #If returns false, throws MIDDY_ERROR 500
                                  #Done in 'after' STEP

ERROR.cause.data                  #FUNC.errors from OPTS.*Schema FUNC
                                  #I.e. if FUNC() returns false, should set FUNC.errors OBJ_ARR

OPTS.languages.LANG               #FUNC(OBJ_ARR) called on ERROR.cause.data
                                  #Meant to mutate OBJ_ARR based on language
                                  #Def: none
OPTS.defaultLanguage              #'LANG' used by OPTS.languages.*
                                  #Def: NCONTEXT.preferredLanguage (from @middy/http-content-negotiation), or 'en'