Find bugs in JavaScript programs.

Install for Kate on Debian/Ubuntu

Supported operating systems:

1. Install prerequisites

Install Kate version 19 or newer.

2. Install quick-lint-js

Open a terminal, and run the following commands:

curl https://c.quick-lint-js.com/quick-lint-js-release.key | sudo apt-key add -
printf '\n# From: https://quick-lint-js.com/install/kate/debian/\ndeb [arch=amd64,arm64] https://c.quick-lint-js.com/debian experimental main\n' | sudo tee /etc/apt/sources.list.d/quick-lint-js.list
sudo apt-get update
sudo apt-get install quick-lint-js

3. Configure Kate

Open the LSP Client tab in Kate's settings. In your User Server Settings, paste the following configuration:

    "servers": {
        "javascript": {
            "command": ["quick-lint-js", "--lsp-server"],
            "documentLanguageId": true,
            "highlightingModeRegex": "^JavaScript.*$",
            "root": "",
            "url": "https://quick-lint-js.com/install/kate/"

TODO: TypeScript support in Kate