From 2fa9dd97eddf54fe4fe01449612722399aa05d1c Mon Sep 17 00:00:00 2001
From: Kisaragi Hiu <mail@kisaragi-hiu.com>
Date: Tue, 21 Jun 2022 06:21:27 +0900
Subject: [PATCH] Add stylua (#105)

---
 CHANGELOG.md                              |  5 +++++
 apheleia.el                               |  2 ++
 test/formatters/installers/stylua.bash    |  6 ++++++
 test/formatters/samplecode/stylua/in.lua  | 20 ++++++++++++++++++++
 test/formatters/samplecode/stylua/out.lua | 22 ++++++++++++++++++++++
 5 files changed, 55 insertions(+)
 create mode 100644 test/formatters/installers/stylua.bash
 create mode 100644 test/formatters/samplecode/stylua/in.lua
 create mode 100644 test/formatters/samplecode/stylua/out.lua

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03b9088..245fbd1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ The format is based on [Keep a Changelog].
 ### Enhancements
 * shfmt uses 4 spaces instead of tabs by default.
 
+### Formatters
+* [stylua](https://github.com/JohnnyMorganz/StyLua) for Lua ([#105]).
+
+[#105]: https://github.com/raxod502/apheleia/pull/105
+
 ## 3.0 (released 2022-06-01)
 ### Breaking changes
 * The arguments of formatters defined as Elisp functions has changed.
diff --git a/apheleia.el b/apheleia.el
index f7b8154..ec8e33c 100644
--- a/apheleia.el
+++ b/apheleia.el
@@ -936,6 +936,7 @@ being run, for diagnostic purposes."
     (phpcs . ("apheleia-phpcs"))
     (prettier . (npx "prettier" "--stdin-filepath" filepath))
     (shfmt . ("shfmt" "-i" "4"))
+    (stylua . ("stylua" "-"))
     (rustfmt . ("rustfmt" "--quiet" "--emit" "stdout"))
     (terraform . ("terraform" "fmt" "-")))
   "Alist of code formatting commands.
@@ -1064,6 +1065,7 @@ function: %s" command)))
     (kotlin-mode . ktlint)
     (latex-mode . latexindent)
     (LaTeX-mode . latexindent)
+    (lua-mode . stylua)
     (nix-mode . nixfmt)
     (python-mode . black)
     (ruby-mode . prettier)
diff --git a/test/formatters/installers/stylua.bash b/test/formatters/installers/stylua.bash
new file mode 100644
index 0000000..40bc0d3
--- /dev/null
+++ b/test/formatters/installers/stylua.bash
@@ -0,0 +1,6 @@
+ver="$(latest_release JohnnyMorganz/StyLua | sed 's/^v//')"
+
+wget "https://github.com/JohnnyMorganz/StyLua/releases/download/v${ver}/stylua-linux.zip" -O stylua.zip
+unzip stylua.zip
+chmod +x stylua
+cp stylua /usr/local/bin/
diff --git a/test/formatters/samplecode/stylua/in.lua b/test/formatters/samplecode/stylua/in.lua
new file mode 100644
index 0000000..ba0cf49
--- /dev/null
+++ b/test/formatters/samplecode/stylua/in.lua
@@ -0,0 +1,20 @@
+   too_many_spaces     =        true
+
+-- stylua: ignore
+local function foo    ()
+   return 1,
+      2,
+      3
+end
+
+local many, vars = function() return true end
+
+local function what_indent ()
+noindent  = true
+  if noindent  then
+     x = false
+  end
+      return x
+end
+
+local y = 'Double quotes are used'
diff --git a/test/formatters/samplecode/stylua/out.lua b/test/formatters/samplecode/stylua/out.lua
new file mode 100644
index 0000000..c1ea1d9
--- /dev/null
+++ b/test/formatters/samplecode/stylua/out.lua
@@ -0,0 +1,22 @@
+too_many_spaces = true
+
+-- stylua: ignore
+local function foo    ()
+   return 1,
+      2,
+      3
+end
+
+local many, vars = function()
+	return true
+end
+
+local function what_indent()
+	noindent = true
+	if noindent then
+		x = false
+	end
+	return x
+end
+
+local y = "Double quotes are used"