Eslint integration

[danielpza]

Made a small npm package for using eslint as a language server. https://github.com/danielpza/eslint-lsp.

To install:

npm install --global eslint-lsp
# or from github
npm install --global danielpza/eslint-lsp

Using with eglot:

(add-to-list 'eglot-server-programs `((js-mode typescript-mode) . ("eslint-lsp" "--stdio")))