Jest LSP

A language server for the Jest Testing Framework.

Tests are run on file: open, change and save. Currently only .spec and .test files will trigger a test run.

Functionality

• Diagnostics: just about
• Code Completion: wip
• Code Actions: wip
• Auto Complete: wip

Installing

Install Jest LSP globally using any package manager

NPM

npm i -g jest-lsp

Yarn

yarn global add jest-lsp

PNPM

pnpm add -g jest-lsp

Usage

Jest LSP should work with any language server client, but there are some examples here.

Coc.nvim

Add the following to coc-settings.json (:CocSettings)

"languageserver": {
  "jest": {
    "module": Path to jest-lsp (i.e. output of `which jest-lsp`),
    "args": ["--node-ipc"],
    "filetypes": [
      "typescript",
      "javascript",
      "typescriptreact",
      "javascriptreact"
    ],
    "trace.server": "verbose"
  }
},