Run some linting on nvim lua

neovim/lua/_bindings.lua

@@ -1,7 +1,10 @@
+-- luacheck: globals packer_plugins
+local utils = require("utils")
+
 local map = vim.api.nvim_set_keymap
 
-local opt_silent = {silent=true}
-local opt_default = {silent=true, noremap=true}
+local opt_silent = {silent = true}
+local opt_default = {silent = true, noremap = true}
 map("n", "<C-L><C-L>", ":set wrap!<CR>", opt_silent)
 map("n", "<leader>lw", ":set wrap!<CR>", opt_silent)
 map("n", "<C-N><C-N>", ":set invnumber<CR>", opt_silent)
@@ -42,15 +45,15 @@ map("i", "``", "<esc>", opt_default)
 map("v", "``", "<esc>", opt_default)
 
 -- C-Space completion
-_G.complete_space = function()
+function _G.complete_space()
     if vim.fn.pumvisible() == 1 then
-        return utils.t"<C-n>"
+        return utils.t("<C-n>")
     elseif packer_plugins["completion-nvim"] and packer_plugins["completion-nvim"].loaded then
-        return utils.t"<Plug>(completion_trigger)"
+        return utils.t("<Plug>(completion_trigger)")
     elseif packer_plugins["nvim-compe"] and packer_plugins["nvim-compe"].loaded then
         return vim.fn["compe#complete"]()
     else
-        return utils.t"<C-x><C-o>"
+        return utils.t("<C-x><C-o>")
     end
 end
 map("i", "<C-Space>", "v:lua.complete_space()", {expr = true})

neovim/lua/_colors.lua

@@ -1,7 +1,8 @@
-utils = require("utils")
+-- luacheck: globals packer_plugins
+local utils = require("utils")
 
 -- TODO: Determine if I want to keep this or remove it in favor of dark-notify
-_G.update_colors = function()
+function _G.update_colors()
     local function maybe_set(scope, name, val)
         if vim[scope][name] ~= val then
             vim[scope][name] = val
@@ -39,7 +40,8 @@ _G.update_colors = function()
     -- Update status line theme
     if change and vim.fn.exists(":AirlineRefresh") == 1 then
         vim.cmd(":AirlineRefresh")
-    elseif change and _G["packer_plugins"] ~= nil and packer_plugins["lualine"] and packer_plugins["lualine"].loaded then
+    elseif (change and _G["packer_plugins"]
+            and packer_plugins["lualine"] and packer_plugins["lualine"].loaded) then
         local lualine_theme = vim.g.colors_name
         if lualine_theme == "solarized" then
             lualine_theme = lualine_theme .. "_" .. mode
@@ -47,10 +49,10 @@ _G.update_colors = function()
         require("plugins.lualine").config_lualine(lualine_theme)
     end
 
-    return changed and "Changed color to " .. env_color .. " with mode " .. mode or "No change"
+    return change and "Changed color to " .. env_color .. " with mode " .. mode or "No change"
 end
 -- utils.autocmd("auto_colors", "FocusGained * call v:lua.update_colors()")
 
 -- Initial set of colors
 -- TODO: if update_colors() is removed, use the env color fetching and set the colorscheme here
-update_colors()
+_G.update_colors()

neovim/lua/_settings.lua

@@ -1,6 +1,4 @@
-local wo = vim.wo
 local o = vim.o
-local bo = vim.bo
 local g = vim.g
 
 -- Set leader to space

neovim/lua/init.lua

@@ -1,4 +1,4 @@
-local o, wo, bo = vim.o, vim.wo, vim.bo
+local o = vim.o
 
 -- Helpers
 require "_settings"

neovim/lua/plugins.lua

@@ -1,6 +1,4 @@
 -- Do all Packer stuff
-utils = require("utils")
-
 local install_path = vim.fn.stdpath("data").."/site/pack/packer/start/packer.nvim"
 
 if vim.fn.empty(vim.fn.glob(install_path)) > 0 then
@@ -31,6 +29,7 @@ local function config_dark_notify()
 end
 
 return require('packer').startup(function()
+    -- luacheck: push globals use
     use "wbthomason/packer.nvim"
 
     -- Quality of life
@@ -109,9 +108,9 @@ return require('packer').startup(function()
     use {
         "cormacrelf/dark-notify",
         -- Download latest release on install
-        run = "curl -s https://api.github.com/repos/cormacrelf/dark-notify/releases/latest | jq '.assets[].browser_download_url' | xargs curl -Ls | tar xz -C ~/.local/bin/",
+        run = "curl -s https://api.github.com/repos/cormacrelf/dark-notify/releases/latest | jq '.assets[].browser_download_url' | xargs curl -Ls | tar xz -C ~/.local/bin/",  -- luacheck: no max line length
         config = config_dark_notify,
-        requires = { "hoob3rt/lualine.nvim" },
+        requires = "hoob3rt/lualine.nvim",
     }
     use {
         'mhinz/vim-startify',
@@ -125,7 +124,7 @@ return require('packer').startup(function()
     }
     use {
         "glepnir/lspsaga.nvim",
-        requires = { "neovim/nvim-lspconfig" },
+        requires = "neovim/nvim-lspconfig",
     }
     --[[
     use {
@@ -167,9 +166,7 @@ return require('packer').startup(function()
     -- Fuzzy Finder
     use {
         "nvim-telescope/telescope.nvim",
-        requires = {
-            "nvim-lua/plenary.nvim",
-        },
+        requires = "nvim-lua/plenary.nvim",
         config = function() require("plugins.telescope") end,
     }
     --[[
@@ -187,7 +184,7 @@ return require('packer').startup(function()
             -- Override key commands
             -- vim.g.fzf_action = { ['ctrl-t'] = 'tab split', ['ctrl-s'] = 'split', ['ctrl-v'] = 'vsplit', }
             -- Override git log to show authors
-            vim.g.fzf_commits_log_options = '--graph --color=always --format="%C(auto)%h %an: %s%d %C(black)%C(bold)%cr"'
+            vim.g.fzf_commits_log_options = '--graph --color=always --format="%C(auto)%h %an: %s%d %C(black)%C(bold)%cr"'  -- luacheck: no max line length
 
             vim.g.fzf_preview_window = {"right:50%", "ctrl-/"}
 
@@ -246,4 +243,5 @@ return require('packer').startup(function()
         cmd = { "StartupTime" },
     }
 
+    -- luacheck: pop
 end)

neovim/lua/plugins/airline.lua

@@ -1,28 +1,28 @@
 local function config_airline()
     -- Use short-form mode text
     vim.g.airline_mode_map = {
-        ['__'] = '-',
-        ['n']  = 'N',
-        ['i']  = 'I',
-        ['R']  = 'R',
-        ['c']  = 'C',
-        ['v']  = 'V',
-        ['V']  = 'V',
-        [''] = 'V',
-        ['s']  = 'S',
-        ['S']  = 'S',
-        [''] = 'S',
-        ['t']  = 'T',
+        ["__"] = "-",
+        ["n"]  = "N",
+        ["i"]  = "I",
+        ["R"]  = "R",
+        ["c"]  = "C",
+        ["v"]  = "V",
+        ["V"]  = "V",
+        [""] = "V",
+        ["s"]  = "S",
+        ["S"]  = "S",
+        [""] = "S",
+        ["t"]  = "T",
     }
 
     -- abbreviate trailing whitespace and mixed indent
     vim.g["airline#extensions#whitespace#trailing_format"] = "tw[%s]"
     vim.g["airline#extensions#whitespace#mixed_indent_format"] = "i[%s]"
     -- Vertical separators for all
-    vim.g.airline_left_sep=''
-    vim.g.airline_left_alt_sep=''
-    vim.g.airline_right_sep=''
-    vim.g.airline_right_alt_sep=''
+    vim.g.airline_left_sep=""
+    vim.g.airline_left_alt_sep=""
+    vim.g.airline_right_sep=""
+    vim.g.airline_right_alt_sep=""
     vim.g["airline#extensions#tabline#enabled"] = 1
     vim.g["airline#extensions#tabline#left_sep"] = " "
     vim.g["airline#extensions#tabline#left_alt_sep"] = "|"

neovim/lua/plugins/ale.lua

@@ -1,16 +1,16 @@
 vim.g["airline#extensions#ale#enabled"] = 1
 vim.g.ale_lint_on_enter = 0
 vim.g.ale_linters = {
-    -- go = { 'gopls', 'golint', 'golangci-lint' },
-    go = { "golangci-lint" },
-    -- rust = { 'rls', 'cargo' },
-    rust = { "cargo" },
-    -- sh = { 'language_server', 'shell', 'shellcheck' },
-    sh = { "shell", "shellcheck" },
-    text = { "proselint", "alex" },
+    -- go = {'gopls', 'golint', 'golangci-lint'},
+    go = {"golangci-lint"},
+    -- rust = {'rls', 'cargo'},
+    rust = {"cargo"},
+    -- sh = {'language_server', 'shell', 'shellcheck'},
+    sh = {"shell", "shellcheck"},
+    text = {"proselint", "alex"},
 }
 vim.g.ale_linter_aliases = {
-    markdown = { "text" },
+    markdown = {"text"},
 }
 local pretty_trim_fixer = {
     "prettier",
@@ -18,10 +18,10 @@ local pretty_trim_fixer = {
     "remove_trailing_lines"
 }
 vim.g.ale_fixers = {
-    ["*"] = { "trim_whitespace", "remove_trailing_lines" },
-    -- go = { "gofmt", "goimports" },
+    ["*"] = {"trim_whitespace", "remove_trailing_lines"},
+    -- go = {"gofmt", "goimports"},
     json = pretty_trim_fixer,
-    -- rust = { "rustfmt" },
+    -- rust = {"rustfmt"},
     --[[
     python = {
         "black",
@@ -32,7 +32,7 @@ vim.g.ale_fixers = {
     },
     --]]
     markdown = pretty_trim_fixer,
-    yaml = { "prettier", "remove_trailing_lines" },
+    yaml = {"prettier", "remove_trailing_lines"},
     css =  pretty_trim_fixer,
     javascript = pretty_trim_fixer,
 }

neovim/lua/plugins/lsp.lua

@@ -1,3 +1,4 @@
+-- luacheck: globals packer_plugins
 local function default_attach(client, bufnr)
     require('completion').on_attach()
 
@@ -7,6 +8,7 @@ local function default_attach(client, bufnr)
     buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
 
     -- Mappings
+    -- TODO: Maybe prefix all of these for easier discovery
     local opts = { noremap=true, silent=true }
     buf_set_keymap('n', 'gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
     buf_set_keymap('n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)

neovim/lua/plugins/startify.lua

@@ -1,6 +1,6 @@
 vim.g.startify_list_order = {
-    { '   My Bookmarks'}, 'bookmarks',
-    { '   Most recently used files in the current directory' }, 'dir',
-    { '   Most recently used files' }, 'files',
-    { '   My Sessions' }, 'sessions'
+    {'   My Bookmarks'}, 'bookmarks',
+    {'   Most recently used files in the current directory'}, 'dir',
+    {'   Most recently used files'}, 'files',
+    {'   My Sessions'}, 'sessions'
 }

neovim/lua/plugins/telescope.lua

@@ -21,7 +21,7 @@ local function config_telescope()
             layout_strategy = "flex",
         }
     }
-    opts = {silent=true, noremap=true}
+    local opts = {silent=true, noremap=true}
     vim.api.nvim_set_keymap("n", "<C-t>", "<cmd>Telescope find_files<CR>", opts)
     vim.api.nvim_set_keymap("n", "<leader>ff", "<cmd>Telescope find_files<CR>", opts)
     vim.api.nvim_set_keymap("n", "<leader>fh", "<cmd>Telescope help_tags<CR>", opts)

neovim/lua/plugins/treesitter.lua

@@ -1,9 +1,9 @@
 -- Configures nvim-treesitter
 require'nvim-treesitter.configs'.setup{
-    incremental_selection = { enable = true },
+    incremental_selection = {enable = true},
     -- Indent appears to be broken right now
-    indent = { enable = false },
-    textobjects = { enable = true },
+    indent = {enable = false},
+    textobjects = {enable = true},
     highlight = {
         enable = true,
         disable = {},

neovim/lua/utils.lua

@@ -44,7 +44,7 @@ end
 
 -- Get env value or use default, if not present
 function M.env_default(name, def)
-    val = vim.env[name]
+    local val = vim.env[name]
     return val == nil and def or val
 end
 
@@ -80,8 +80,8 @@ function M.require_with_local(name)
   -- In that case, the local file would probably start with a `require` for the
   -- non-local version. This would allow more control but at the cost of a bit
   -- of boiler plate
-  rmod = require(name)
-  lmod = M.maybe_require(name .. "_local")
+  local rmod = require(name)
+  local lmod = M.maybe_require(name .. "_local")
   if lmod ~= nil then
     return lmod
   end