lua/nvim_lsp/r_language_server.lua


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local util = require 'nvim_lsp/util'
local configs = require 'nvim_lsp/configs'

configs.r_language_server = {
  default_config = {
    cmd = {"R", "--slave", "-e", "languageserver::run()"};
    filetypes = {"r", "rmd"};
    root_dir = function(fname)
      return util.find_git_ancestor(fname) or vim.loop.os_homedir()
    end;
    log_level = vim.lsp.protocol.MessageType.Warning;
  };
  docs = {
  package_json = "https://raw.githubusercontent.com/REditorSupport/vscode-r-lsp/master/package.json";
    description = [[
    [languageserver](https://github.com/REditorSupport/languageserver) is an
    implementation of the Microsoft's Language Server Protocol for the R
    language.

    It is released on CRAN and can be easily installed by

    ```R
    install.packages("languageserver")
    ```
    ]];
    default_config = {
      root_dir = [[root_pattern(".git") or os_homedir]]
    };
  };
}