Commits on Apr 23, 2020

1. process: Don't warn/throw on unhandled rejections when hook is set …

   --unhandled-rejections has three explicit modes (strict, warn, none)
   plus one implicit "default" mode, which logs an additional deprecation
   warning (DEP0018).
   
   Prior to this commit, the default mode was subtly different from warn
   mode. If the unhandledRejections hook is set, default mode suppresses
   all warnings. In warn mode, unhandledRejections would always fire a
   warning, regardless of whether the hook was set.
   
   In addition, prior to this commit, strict mode would always throw an
   exception, regardless of whether the hook was set.
   
   In this commit, all modes honor the unhandledRejections hook. If the
   user has set the hook, then the user has taken full responsibility over
   the behavior of unhandled rejections. In that case, no additional
   warnings or thrown exceptions will be fired, even in warn mode or
   strict mode.
   
   This commit is a stepping stone towards resolving DEP0018. After this
   commit, any code that includes an unhandledRejection hook will behave
   unchanged when we change the default mode.
   
   Refs: nodejs#26599

   

   dfabulich committed Apr 23, 2020
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