quick-lint-js

quick-lint-js finds bugs in JavaScript programs.

quick-lint-js finds many bugs, including:

Using a variable which does not exist
Assigning to a const variable
Using await in a non-async function
Syntax errors

Installing

See installation instructions for how to install quick-lint-js' CLI, LSP server, and editor plugins.

Contributing

If you want to make quick-lint-js better, see our contributing guides.

Contact

Bugs and feature requests: file an issue on GitHub

IRC: ask questions in #quick-lint-js on Libera.Chat

Security bug reports (private disclosure): email strager.nds@gmail.com