poc for refactor into one file

lua/core/gitsigns.lua

@@ -0,0 +1,59 @@
+local M = {}
+M.config = function()
+  O.plugin.gitsigns = {
+    signs = {
+      add = {
+        hl = "GitSignsAdd",
+        text = "▎",
+        numhl = "GitSignsAddNr",
+        linehl = "GitSignsAddLn",
+      },
+      change = {
+        hl = "GitSignsChange",
+        text = "▎",
+        numhl = "GitSignsChangeNr",
+        linehl = "GitSignsChangeLn",
+      },
+      delete = {
+        hl = "GitSignsDelete",
+        text = "契",
+        numhl = "GitSignsDeleteNr",
+        linehl = "GitSignsDeleteLn",
+      },
+      topdelete = {
+        hl = "GitSignsDelete",
+        text = "契",
+        numhl = "GitSignsDeleteNr",
+        linehl = "GitSignsDeleteLn",
+      },
+      changedelete = {
+        hl = "GitSignsChange",
+        text = "▎",
+        numhl = "GitSignsChangeNr",
+        linehl = "GitSignsChangeLn",
+      },
+    },
+    numhl = false,
+    linehl = false,
+    keymaps = {
+      -- Default keymap options
+      noremap = true,
+      buffer = true,
+    },
+    watch_index = { interval = 1000 },
+    sign_priority = 6,
+    update_debounce = 200,
+    status_formatter = nil, -- Use default
+    use_decoration_api = false,
+  }
+end
+
+M.setup = function()
+  local status_ok, gitsigns = pcall(require, "gitsigns")
+  if not status_ok then
+    return
+  end
+  gitsigns.setup(O.plugin.gitsigns)
+end
+
+return M