quick-lint-js finds bugs in your JavaScript code.

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

quick-lint-js is designed to be used with your JavaScript editor. See the install documentation for all installation options.

• Visual Studio Code
• VSCodium
• Vim
• Neovim
• Emacs
• CLI & LSP server