The JetBrains JavaScript IDE. More information: https://www.jetbrains.com/help/webstorm/working-with-the-ide-features-from-command-line.html.
webstorm
webstorm path/to/directory
webstorm -e path/to/file1 path/to/file2 ...
webstorm --wait -e path/to/file
webstorm --line line_number path/to/file
webstorm diff path/to/file1 path/to/file2 path/to/optional_file3
webstorm merge path/to/left_file path/to/right_file path/to/target_file