From 4060d091d7f43c3b314481b4b3d6c8de3ac0dcc9 Mon Sep 17 00:00:00 2001
From: Fernando Schauenburg <dev@schauenburg.me>
Date: Mon, 25 Jul 2022 23:30:38 +0200
Subject: [PATCH] vim: add mapping to execute multiple lines of lua code

---
 config/nvim/after/ftplugin/lua.lua | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/config/nvim/after/ftplugin/lua.lua b/config/nvim/after/ftplugin/lua.lua
index 04491f1..9885ba7 100644
--- a/config/nvim/after/ftplugin/lua.lua
+++ b/config/nvim/after/ftplugin/lua.lua
@@ -1,11 +1,19 @@
 vim.bo.tabstop = 2
 
-local nmap = require 'fs.util'.nmap
 local buffer = { buffer = true }
 
--- execute the current line
-nmap { '<leader>x', [[<cmd>call luaeval(getline("."))<cr>]], buffer }
+local exec_current_lua_line = function()
+  vim.fn.luaeval(vim.fn.getline('.'))
+end
 
--- save and execute the current file
-nmap { '<leader><leader>x', '<cmd>silent write | luafile %<cr>', buffer }
+local exec_current_lua_selection = function()
+  local selection = { vim.fn.line('v'), vim.fn.line('.') }
+  local first, last = vim.fn.min(selection), vim.fn.max(selection)
+  local code = vim.fn.join(vim.fn.getline(first, last), '\n')
+  loadstring(code)()
+end
+
+vim.keymap.set('n', '<leader>x', exec_current_lua_line, buffer)
+vim.keymap.set('x', '<leader>x', exec_current_lua_selection, buffer)
+vim.keymap.set('n', '<leader><leader>x', '<cmd>write | luafile %<cr>', buffer)