better config structure

lua/top-bufferline.lua

@@ -0,0 +1,77 @@
+-- colors
+
+local bar_fg = "#565c64"
+local activeBuffer_fg = "#c8ccd4"
+
+require "bufferline".setup {
+    options = {
+        buffer_close_icon = "",
+        modified_icon = "",
+        close_icon = "",
+        left_trunc_marker = "",
+        right_trunc_marker = "",
+        max_name_length = 14,
+        max_prefix_length = 13,
+        tab_size = 18,
+        enforce_regular_tabs = true,
+        view = "multiwindow",
+        show_buffer_close_icons = true,
+        separator_style = "thin"
+    },
+    highlights = {
+        background = {
+            guifg = bar_fg,
+            guibg = "#1e222a"
+        },
+        fill = {
+            guifg = bar_fg,
+            guibg = "#1e222a"
+        },
+        -- focused window
+        buffer_selected = {
+            guifg = activeBuffer_fg,
+            guibg = "#353b45",
+            gui = "bold"
+        },
+        separator_selected = {
+            guifg = "#353b45",
+            guibg = "#353b45"
+        },
+        -- unfocused opened window
+        buffer_visible = {
+            guifg = "#9298a0",
+            guibg = "#282c34"
+        },
+        separator_visible = {
+            guifg = "#282c34",
+            guibg = "#282c34"
+        },
+        separator = {
+            guifg = "#1e222a",
+            guibg = "#1e222a"
+        },
+        indicator_selected = {
+            guifg = "#1e222a",
+            guibg = "#1e222a"
+        },
+        modified_selected = {
+            guifg = "#d0f5c2",
+            guibg = "#353b45"
+        }
+    }
+}
+
+local opt = {silent = true}
+
+local map = vim.api.nvim_set_keymap
+vim.g.mapleader = " "
+
+--command that adds new buffer and moves to it
+map("n", "<S-t>", [[<Cmd>tabnew<CR>]], opt)
+
+--removing a buffer
+map("n", "<S-x>", [[<Cmd>bdelete<CR>]], opt)
+
+-- tabnew and tabprev
+map("n", "<S-l>", [[<Cmd>BufferLineCycleNext<CR>]], opt)
+map("n", "<S-p>", [[<Cmd>BufferLineCyclePrev<CR>]], opt)