Add luacheck to main workflow

.github/workflows/main.yml

@@ -54,3 +54,11 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           args: --check .
+  luacheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run luacheck
+        uses: lunarmodules/luacheck@v0.26.0
+        with:
+          args: symlinks/config/nvim

symlinks/config/nvim/.luacheckrc

@@ -0,0 +1,8 @@
+-- vim: ft=lua tw=80
+globals = {
+	"vim",
+}
+
+exclude_files = {
+	"plugin/packer_compiled.lua",
+}

symlinks/config/nvim/init.lua

@@ -3,7 +3,7 @@ if require("init.first_load")() then
 end
 
 -- Allow `require('impatient')` to fail, in case plugins are not yet installed
-_ = pcall(require, "impatient")
+local _ = pcall(require, "impatient")
 
 vim.cmd([[filetype plugin indent on]])
 

symlinks/config/nvim/lua/fugitive_extensions.lua

@@ -14,7 +14,7 @@ local function get_pr_url(...)
 
 	-- Remove prefix if it is available, for some of common git services
 	local common_services = { "github.com", "bitbucket.org", "gitlab.com" }
-	for k, service in pairs(common_services) do
+	for _, service in pairs(common_services) do
 		if string.find(origin_url, service, 1, true) then
 			-- Common mechanism for managing multiple SSH keys
 			origin_url = string.gsub(origin_url, "://.*" .. service, "://" .. service)

symlinks/config/nvim/lua/lsp/diagnostic.lua

@@ -23,6 +23,9 @@ null_ls.setup({
 
 		-- Lua
 		null_ls.builtins.formatting.stylua,
+		null_ls.builtins.diagnostics.luacheck.with({
+			extra_args = { "--config", vim.fn.stdpath("config") .. "/.luacheckrc" },
+		}),
 
 		-- Dart
 		null_ls.builtins.formatting.dart_format,
@@ -41,6 +44,7 @@ null_ls.setup({
 		null_ls.builtins.formatting.trim_whitespace,
 		null_ls.builtins.hover.dictionary,
 		null_ls.builtins.code_actions.gitsigns,
+		null_ls.builtins.code_actions.refactoring,
 	},
 	on_attach = function(client)
 		if client.resolved_capabilities.document_formatting then

symlinks/config/nvim/lua/lsp/server_config.lua

@@ -4,7 +4,7 @@
 
 local M = {}
 
-M.on_attach = function(client, bufnr)
+M.on_attach = function(_, bufnr)
 	vim.bo.omnifunc = "v:lua.vim.lsp.omnifunc"
 
 	-- Lsp keymaps

symlinks/config/nvim/lua/vim_rest_console_extensions.lua

@@ -9,7 +9,7 @@ end
 
 -- Opens up a new tab if current buffer is not empty
 local function new_tab_if_needed()
-	if vim.api.nvim_buf_get_name("%") ~= "" then
+	if vim.api.nvim_buf_get_name(0) ~= "" then
 		-- Current buffer is not empty, open up a new tab
 		vim.cmd("tabnew")
 	end
@@ -42,9 +42,9 @@ function M.open_scratch_rest_console()
 end
 
 -- Opens up a rest console which can be saved -- cached by name
-function M.open_cached_rest_console(...)
+function M.open_cached_rest_console(args)
-	local name = select(1, ...)
+	local name = args[0] or args[1]
-	if select("#", ...) == 0 then
+	if not name then
 		name = require("common.projects").get_project_id()
 	end
 	open_cached_rest_console(name)
@@ -57,9 +57,9 @@ function M.open_named_cached_rest_console(name)
 end
 
 -- Opens up a rest console based on local file path
-function M.open_local_rest_console(...)
+function M.open_local_rest_console(args)
-	local file = select(1, ...)
+	local file = args[0] or args[1]
-	if select("#", ...) == 0 then
+	if not file then
 		file = "default"
 	end
 	open_rest_console(file)

symlinks/config/nvim/plugin/dap.lua

@@ -6,7 +6,7 @@ local dap = require("dap")
 
 vim.api.nvim_create_autocmd("FileType", {
 	pattern = "dap-repl",
-	callback = function(args)
+	callback = function(_)
 		require("dap.ext.autocompl").attach()
 	end,
 })

symlinks/config/nvim/plugin/rest.lua

@@ -2,15 +2,18 @@
 --    - Vim REST Console setup and extra commands -
 -------------------------------------------------------------------------------
 
-vim.cmd(
+local vim_rest_console_extensions = require("vim_rest_console_extensions")
-	[[command! -nargs=0 ScratchRestConsole :lua require('vim_rest_console_extensions').open_scratch_rest_console()]]
+vim.api.nvim_create_user_command(
-)
+	"ScratchRestConsole",
-vim.cmd(
+	vim_rest_console_extensions.open_scratch_rest_console,
-	[[command! -nargs=? RestConsole :lua require('vim_rest_console_extensions').open_cached_rest_console(<f-args>)]]
+	{ nargs = 0 }
-)
-vim.cmd(
-	[[command! -nargs=? RestConsoleLocal :lua require('vim_rest_console_extensions').open_local_rest_console(<f-args>)]]
-)
-vim.cmd(
-	[[command! -nargs=1 RestConsoleCached :lua require('vim_rest_console_extensions').open_named_cached_rest_console(<f-args>)]]
 )
+vim.api.nvim_create_user_command("RestConsole", function(args)
+	vim_rest_console_extensions.open_cached_rest_console(args.fargs)
+end, { nargs = "?" })
+vim.api.nvim_create_user_command("RestConsoleLocal", function(args)
+	vim_rest_console_extensions.open_local_rest_console(args.fargs)
+end, { nargs = "?" })
+vim.api.nvim_create_user_command("RestConsoleCached", function(args)
+	vim_rest_console_extensions.open_named_cached_rest_console(args.fargs[0] or args.fargs[1])
+end, { nargs = 1 })