The .scope command was used only in the old debugger. Since that's
not part of core anymore it's does not have any use. I tried to
replicate the expected behavior but it even results in just exiting
the repl immediately when using the completion similar to the removed
test case.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This simplifies calling `filteredOwnPropertyNames()`. The context
is not used in that function, so there's no need to call the function
as such.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This simplifies some repl code and removes a code branch that is
unreachable.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This updates the used regular expression to the latest version.
It includes a number of additional escape codes.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This renames some variables for clarity and moves the common substring
part into a shared file. One algorithm was more efficient than the
other but the functionality itself was identical.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This just refactors code without changing the behavior. Especially
the REPL code is difficult to read and deeply indented. This reduces
the indentation to improve that.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This improves the completion output by removing the nested special
handling. It never fully worked as expected and required a lot of
hacks to even keep it working halfway reliable. Our tests did not
cover syntax errors though and those can not be handled by this
implementation. Those break the layout and confuse the REPL.

Besides that the completion now also works in case the current line
has leading whitespace.

Also improve the error output in case the completion fails.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This improves the already existing preview functionality by also
checking for the input completion. In case there's only a single
completion, it will automatically be visible to the user in grey.
If colors are deactivated, it will be visible as comment.

This also changes some keys by automatically accepting the preview
by moving the cursor behind the current input end.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This addresses an issue that is caused by lines that exceed the
current window columns. That would cause the preview to confuse the
REPL. This is meant as hot fix. The preview should be able to handle
these cases appropriately as well later on.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This improves the coverage for the preview feature signficantly.
Quite a few edge cases get testet here to prevent regressions.

PR-URL: nodejs#30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

The .scope command was used only in the old debugger. Since that's
not part of core anymore it's does not have any use. I tried to
replicate the expected behavior but it even results in just exiting
the repl immediately when using the completion similar to the removed
test case.

PR-URL: #30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This simplifies calling `filteredOwnPropertyNames()`. The context
is not used in that function, so there's no need to call the function
as such.

PR-URL: #30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This simplifies some repl code and removes a code branch that is
unreachable.

PR-URL: #30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This updates the used regular expression to the latest version.
It includes a number of additional escape codes.

PR-URL: #30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This renames some variables for clarity and moves the common substring
part into a shared file. One algorithm was more efficient than the
other but the functionality itself was identical.

PR-URL: #30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This just refactors code without changing the behavior. Especially
the REPL code is difficult to read and deeply indented. This reduces
the indentation to improve that.

PR-URL: #30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

This improves the completion output by removing the nested special
handling. It never fully worked as expected and required a lot of
hacks to even keep it working halfway reliable. Our tests did not
cover syntax errors though and those can not be handled by this
implementation. Those break the layout and confuse the REPL.

Besides that the completion now also works in case the current line
has leading whitespace.

Also improve the error output in case the completion fails.

PR-URL: #30907
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>