♻️ refactor(lint): improve linting execution and filetype handling

lua/plugins/lang/nvim-lint.lua

@@ -1,6 +1,5 @@
 local lint = require('lint')
 
--- Filetype to linters mapping
 lint.linters_by_ft = {
     javascript = { 'eslint_d' },
     typescript = { 'eslint_d' },
@@ -14,35 +13,33 @@ lint.linters_by_ft = {
     yaml = { 'actionlint' },
 }
 
-local function lint(bufnr)
-    local linters =
-        vim.list_extend({ 'codespell', 'editorconfig-checker' }, require('lint')._resolve_linter_by_ft(vim.bo.filetype))
+local function run_lint(bufnr)
+    bufnr = bufnr or 0
+    local ft = vim.bo[bufnr].filetype
 
-    local ctx = { filename = vim.api.nvim_buf_get_name(bufnr or 0) }
+    local linters = vim.list_extend({ 'codespell', 'editorconfig-checker' }, require('lint')._resolve_linter_by_ft(ft))
+
+    local ctx = { filename = vim.api.nvim_buf_get_name(bufnr) }
     ctx.dirname = vim.fn.fnamemodify(ctx.filename, ':h')
 
     linters = vim.tbl_filter(function(name)
-        local linter = require('lint').linters[name]
+        local linter = lint.linters[name]
         return vim.fn.executable(linter.cmd) == 1
-            ---@diagnostic disable-next-line: undefined-field
             and not (type(linter) == 'table' and linter.condition and not linter.condition(ctx))
     end, linters)
 
     if #linters > 0 then
-        require('lint').try_lint(linters)
+        lint.try_lint(linters)
     end
 end
 
-lint()
-
 local timer = assert(vim.uv.new_timer())
 vim.api.nvim_create_autocmd({ 'BufReadPost', 'BufWritePost', 'InsertLeave' }, {
     callback = function(args)
         timer:start(100, 0, function()
             timer:stop()
-
             vim.schedule(function()
-                lint(args.buf)
+                run_lint(args.buf)
             end)
         end)
     end,