path: root/nvim/lua/plugins/R.lua

-- Adapted from the R.nvim README.md file on github
return {
    "R-nvim/R.nvim",
     -- Only required if you also set defaults.lazy = true
    lazy = false,
    -- R.nvim is still young and we may make some breaking changes from time
    -- to time. For now we recommend pinning to the latest minor version
    -- like so:
    version = "~0.1.0",
    config = function()
        -- Create a table with the options to be passed to setup()
        ---@type RConfigUserOpts
        local opts = {
            hook = {
                on_filetype = function()
                    vim.api.nvim_buf_set_keymap(0, "n", "<Enter>", "<Plug>RDSendLine", {})
                    vim.api.nvim_buf_set_keymap(0, "n", "<C-h>", "<C-w>w", {})
                    vim.api.nvim_buf_set_keymap(0, "v", "<Enter>", "<Plug>RSendSelection", {})
                end
            },
            R_args = {"--quiet", "--no-save"},
            min_editor_width = 72,
            rconsole_width = 78,
            objbr_mappings = { -- Object browser keymap
                c = 'class', -- Call R functions
                ['<localleader>gg'] = 'head({object}, n = 15)', -- Use {object} notation to write arbitrary R code.
                v = function()
                    -- Run lua functions
                    require('r.browser').toggle_view()
                end
            },
            disable_cmds = {
                "RClearConsole",
                "RCustomStart",
                "RSPlot",
                "RSaveClose",
            },
        }
        -- Check if the environment variable "R_AUTO_START" exists.
        -- If using fish shell, you could put in your config.fish:
        -- alias r "R_AUTO_START=true nvim"
        if vim.env.R_AUTO_START == "true" then
            opts.auto_start = "on startup"
            opts.objbr_auto_start = true
        end
        require("r").setup(opts)
    end,
}