chore(vim): add bufferline.nvim and configuration

nvim/plugins/bufferline.lua

@@ -0,0 +1,55 @@
+-- bufferline.nvim
+-- https://github.com/akinsho/bufferline.nvim
+
+local status, bufferline = pcall(require, 'bufferline')
+if (not status) then return end
+
+bufferline.setup({
+  highlights = {
+    fill = {
+      guibg = "#282828"
+    },
+    separator_selected = {
+      guifg = "#282828"
+    },
+    separator_visible = {
+      guifg = "#282828"
+    },
+    separator = {
+      guifg = "#282828"
+    }
+  },
+  options = {
+    modified_icon = "●",
+    left_trunc_marker = "",
+    right_trunc_marker = "",
+    max_name_length = 25,
+    max_prefix_length = 25,
+    enforce_regular_tabs = false,
+    view = "multiwindow",
+    show_buffer_close_icons = true,
+    show_close_icon = false,
+    separator_style = "slant",
+    diagnostics = "nvim_lsp",
+    diagnostics_update_in_insert = false,
+    diagnostics_indicator = function(count, level, diagnostics_dict, context)
+      return "("..count..")"
+    end,
+    offsets = {
+      {
+        filetype = "NvimTree",
+        text = "File Explorer",
+        highlight = "Directory",
+        text_align = "left"
+      }
+    }
+  }
+})
+
+-- Mappings
+local opts = { noremap = true, silent = true }
+
+vim.api.nvim_set_keymap('n', '<Leader>tp', [[<Cmd>:BufferLinePick<CR>]],      opts)
+vim.api.nvim_set_keymap('n', '<Leader>tx', [[<Cmd>:BufferLinePickClose<CR>]], opts)
+vim.api.nvim_set_keymap('n', '<Leader>H',  [[<Cmd>:BufferLineCyclePrev<CR>]], opts)
+vim.api.nvim_set_keymap('n', '<Leader>L',  [[<Cmd>:BufferLineCycleNext<CR>]], opts)