Skip to content

Commit

Permalink
repl: document top level await limitation with const/let
Browse files Browse the repository at this point in the history
Fixes: #17669
Signed-off-by: James M Snell <jasnell@gmail.com>

PR-URL: #38449
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
  • Loading branch information
jasnell authored and targos committed May 30, 2021
1 parent 20a610d commit 86a51cb
Showing 1 changed file with 17 additions and 0 deletions.
17 changes: 17 additions & 0 deletions doc/api/repl.md
Original file line number Diff line number Diff line change
Expand Up @@ -233,6 +233,23 @@ undefined
undefined
```

One known limitation of using the `await` keyword in the REPL is that
it will invalidate the lexical scoping of the `const` and `let`
keywords.

For example:

```console
> const m = await Promise.resolve(123)
undefined
> m
123
> const m = await Promise.resolve(234)
undefined
> m
234
```

### Reverse-i-search
<!-- YAML
added: v13.6.0
Expand Down

0 comments on commit 86a51cb

Please sign in to comment.