show count of modified/normal buffers

nvim/lua/dko/heirline/bufferstats.lua

@@ -0,0 +1,31 @@
+return {
+ init = function(self)
+ self.all = vim.api.nvim_list_bufs()
+
+ self.normal = vim.tbl_filter(function(bufnr)
+ return not require("dko.utils.buffer").is_special(bufnr)
+ end, self.all)
+
+ self.modified = vim.tbl_filter(function(bufnr)
+ return vim.api.nvim_buf_get_option(bufnr, "modified")
+ end, self.normal)
+ end,
+ {
+ provider = "  ",
+ hl = "StatusLineNC",
+ },
+ {
+ provider = function(self)
+ return ("%d"):format(#self.modified)
+ end,
+ hl = function(self)
+ return #self.modified > 0 and "TODO" or "StatusLineNC"
+ end,
+ },
+ {
+ provider = function(self)
+ return ("/%d"):format(#self.normal)
+ end,
+ hl = "StatusLineNC",
+ },
+}

nvim/lua/dko/heirline/tabline.lua

@@ -10,6 +10,7 @@ return {
 
  require("dko.heirline.cwd"),
  require("dko.heirline.git"),
+ require("dko.heirline.bufferstats"),
 
  { provider = "%=", hl = "StatusLineNC" },
 

nvim/lua/dko/utils/buffers.lua

@@ -0,0 +1,23 @@
+---
+-- Operations on multiple buffers
+---
+
+local M = {}
+
+---@param bufnrs table like vim.api.nvim_list_bufs()
+---@return table only modified
+M.filter_modified = function(bufnrs)
+ return vim.tbl_filter(function(bufnr)
+ return vim.api.nvim_buf_get_option(bufnr, "modified")
+ end, bufnrs)
+end
+
+---@param bufnrs table like vim.api.nvim_list_bufs()
+---@return table only special
+M.filter_special = function(bufnrs)
+ return vim.tbl_filter(function(bufnr)
+ return require('dko.utils.buffer').is_special(bufnr)
+ end, bufnrs)
+end
+
+return M

nvim/lua/dko/utils/string.lua

@@ -10,11 +10,12 @@ end
 -- alt F ғ (ghayn)
 -- alt Q ꞯ (currently using ogonek)
 local smallcaps =
- "ᴀʙᴄᴅᴇꜰɢʜɪᴊᴋʟᴍɴᴏᴘǫʀsᴛᴜᴠᴡxʏᴢ‹›"
-local letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ<>"
+ "ᴀʙᴄᴅᴇꜰɢʜɪᴊᴋʟᴍɴᴏᴘǫʀsᴛᴜᴠᴡxʏᴢ‹›⁰¹²³⁴⁵⁶⁷⁸⁹"
+local normal = "ABCDEFGHIJKLMNOPQRSTUVWXYZ<>0123456789"
+
 ---@param text string
 M.smallcaps = function(text)
- return vim.fn.tr(text:upper(), letters, smallcaps)
+ return vim.fn.tr(text:upper(), normal, smallcaps)
 end
 
 return M