From f2dd175f64d2439bf80ab4abca62aacf52345962 Mon Sep 17 00:00:00 2001
From: Chen Mulong <chenmulong@gmail.com>
Date: Thu, 17 Apr 2025 13:55:59 +0800
Subject: [PATCH] Fix missing empty lines when paste

---
 lua/richclip/utils.lua    | 9 ++++-----
 tests/spec/utils_spec.lua | 6 +++++-
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/lua/richclip/utils.lua b/lua/richclip/utils.lua
index 45209f9..18aa560 100644
--- a/lua/richclip/utils.lua
+++ b/lua/richclip/utils.lua
@@ -45,11 +45,10 @@ end
 
 ---Separate string into lines
 UTILS.str_to_lines = function(str)
-    local result = {}
-    for line in str:gmatch '[^\n\r]+' do
-        table.insert(result, line)
-    end
-    return result
+    -- TODO: This feels slow
+    str = str:gsub("\r\n", "\n")
+    str = str:gsub("\r", "\n")
+    return vim.split(str, "\n")
 end
 
 ---Combines lines into a single string
diff --git a/tests/spec/utils_spec.lua b/tests/spec/utils_spec.lua
index ef15324..373cc27 100644
--- a/tests/spec/utils_spec.lua
+++ b/tests/spec/utils_spec.lua
@@ -30,7 +30,7 @@ describe("ser tests", function()
 
         str = ""
         lines = utils.str_to_lines(str)
-        assert.same(lines, {})
+        assert.same(lines, {""})
 
         str = "a\rb"
         lines = utils.str_to_lines(str)
@@ -39,6 +39,10 @@ describe("ser tests", function()
         str = "a\r\nb"
         lines = utils.str_to_lines(str)
         assert.same(lines, { "a", "b" })
+
+        str = "a\n\nb"
+        lines = utils.str_to_lines(str)
+        assert.same(lines, { "a", "", "b" })
     end)
 
     it('lines_to_str', function()