fix: hide copilot and null-ls on lsp server name

lua/windline/components/lsp.lua

@@ -2,6 +2,7 @@ local M = {}
 
 local windline = require('windline')
 local cache_utils = require('windline.cache_utils')
+local utils = require('windline.utils')
 local state = windline.state
 
 local get_diagnostics_count = function(bufnr)
@@ -17,44 +18,42 @@ local get_diagnostics_count = function(bufnr)
         count[vim.diagnostic.severity.HINT]
 end
 
-
-local function is_lsp(bufnr)
-    return next(vim.lsp.get_active_clients({ bufnr = bufnr or vim.api.nvim_get_current_buf() })) ~= nil
+local get_lsp_client = nil
+if vim.fn.has('nvim-0.8') > 0 then
+    get_lsp_client = function(bufnr)
+        return vim.lsp.get_active_clients({
+            bufnr = bufnr or vim.api.nvim_get_current_buf()
+        })
+    end
+else
+    get_lsp_client = vim.lsp.buf_get_clients
 end
 
-local lsp_client_names = function(bufnr, opt)
+local function is_lsp(bufnr, opt)
     opt = opt or {}
+    local hide_server_names = opt.hide_server_names or { 'copilot' }
     local clients = {}
-    local icon = opt.icon or ' '
-    local sep = opt.separator or '|'
-
-    for _, client in pairs(vim.lsp.get_active_clients({ bufnr = bufnr or vim.api.nvim_get_current_buf() })) do
-        clients[#clients + 1] = client.name
-    end
-    if next(clients) then
-        return icon .. table.concat(clients, sep)
+    for _, client in pairs(get_lsp_client(bufnr)) do
+        if not utils.is_in_table(hide_server_names, client.name) then
+            clients[#clients + 1] = client.name
+        end
     end
-    return nil
+    return next(clients) ~= nil
 end
 
 M.check_custom_lsp = function(opt)
     opt = opt or {}
     local lsp_check = opt.func_check or is_lsp
 
-    return function(bufnr)
-        if state.comp.lsp == nil and lsp_check(bufnr) then
+    return function(bufnr, config)
+        if state.comp.lsp == nil and lsp_check(bufnr, config) then
             local error, warning, information, hint = get_diagnostics_count(bufnr)
             state.comp.lsp_error = error
             state.comp.lsp_warning = warning
             state.comp.lsp_information = information
             state.comp.lsp_hint = hint
-            -- save lsp_name on buffer variable
 
-            if error > 0 or warning > 0 then
-                state.comp.lsp = 1
-            else
-                state.comp.lsp = 2
-            end
+            state.comp.lsp = 1
         end
         return state.comp.lsp ~= nil
     end
@@ -63,6 +62,24 @@ end
 -- it make sure we only call the diagnostic 1 time on render function
 M.check_lsp = M.check_custom_lsp()
 
+local lsp_client_names = function(bufnr, opt)
+    opt = opt or {}
+    local clients = {}
+    local icon = opt.icon or ' '
+    local sep = opt.separator or '|'
+    local hide_server_names = opt.hide_server_names or { 'null-ls', 'copilot' }
+
+    for _, client in pairs(get_lsp_client(bufnr)) do
+        if not utils.is_in_table(hide_server_names, client.name) then
+            clients[#clients + 1] = client.name
+        end
+    end
+    if next(clients) then
+        return icon .. table.concat(clients, sep)
+    end
+    return nil
+end
+
 M.lsp_name = function(opt)
     return cache_utils.cache_on_buffer('BufEnter', 'lsp_server_name', function(bufnr)
         local lsp_name = lsp_client_names(bufnr, opt)