From db2c697fe8302f0328b50b480204be1b577a1e2f Mon Sep 17 00:00:00 2001
From: Wojciech Kulik <3128467+wojciech-kulik@users.noreply.github.com>
Date: Mon, 11 Mar 2024 16:58:41 +0100
Subject: [PATCH] fix(swiftformat): range formatting support and add cwd (#326)

---
 lua/conform/formatters/swiftformat.lua | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lua/conform/formatters/swiftformat.lua b/lua/conform/formatters/swiftformat.lua
index ed142ad6..adde245e 100644
--- a/lua/conform/formatters/swiftformat.lua
+++ b/lua/conform/formatters/swiftformat.lua
@@ -5,5 +5,16 @@ return {
     description = "SwiftFormat is a code library and command-line tool for reformatting `swift` code on macOS or Linux.",
   },
   command = "swiftformat",
+  stdin = true,
   args = { "--stdinpath", "$FILENAME" },
+  range_args = function(self, ctx)
+    local startOffset = tonumber(ctx.range.start[1]) - 1
+    local endOffset = tonumber(ctx.range["end"][1]) - 1
+
+    return {
+      "--linerange",
+      startOffset .. "," .. endOffset,
+    }
+  end,
+  cwd = require("conform.util").root_file({ ".swiftformat", "Package.swift", "buildServer.json" }),
 }