move to mason_null_ls

after/plugin/autocmd.lua

@@ -26,6 +26,17 @@ vim.api.nvim_create_autocmd('FileType', {
   group = '_general',
 })
 
+vim.api.nvim_create_autocmd('BufWritePre', {
+  callback = function()
+    vim.lsp.buf.format({
+      filter = function(client)
+        return client.name ~= "tsserver"
+      end
+    })
+  end,
+  group = "_general",
+})
+
 vim.api.nvim_create_autocmd('FileType', {
   pattern = 'gitcommit,markdown',
   command = 'setlocal wrap spell',

after/plugin/bcr.lua

@@ -28,10 +28,6 @@ vim.api.nvim_create_autocmd('LspAttach', {
     if client.name ~= 'tsserver' then
       return
     end
-
-    vim.api.nvim_buf_create_user_command(bufnr, 'Format', function(_)
-      vim.cmd 'EslintFixAll'
-    end, { desc = 'Format current buffer with Eslint' })
   end,
   group = '_bcr',
 })

lua/custom/plugins/formatter.lua

@@ -1,38 +0,0 @@
-return {
-  "mhartington/formatter.nvim",
-  lazy = false,
-  init = function()
-    vim.api.nvim_create_augroup('_formatter', { clear = true });
-    vim.api.nvim_create_autocmd('BufWritePost', {
-      command = 'FormatWrite',
-      group = '_formatter',
-    })
-  end,
-  opts = function()
-   local filetypes = require('formatter.filetypes')
-    return {
-      logging = false,
-      log_level = vim.log.levels.WARN,
-      filetype = {
-        lua = {
-          filetypes.lua.stylua,
-        },
-        javascript = {
-          filetypes.javascript.eslint_d,
-        },
-        javascriptreact = {
-          filetypes.javascript.eslint_d,
-        },
-        json = {
-          filetypes.json.prettierd,
-        },
-        rust = {
-          filetypes.rust.rustfmt,
-        },
-            ['*'] = {
-          filetypes.any.remove_trailing_whitespace,
-        },
-      },
-    }
-  end
-}

lua/custom/plugins/nullls.lua

@@ -0,0 +1,59 @@
+return {
+  "jay-babu/mason-null-ls.nvim",
+  lazy = false,
+  -- event = { "BufReadPre", "BufNewFile" },
+  dependencies = {
+    "williamboman/mason.nvim",
+    "jose-elias-alvarez/null-ls.nvim",
+  },
+  config = function ()
+    require("mason").setup()
+    require("mason-null-ls").setup({
+      ensure_installed = { 'stylua', 'jq', 'eslint_d' },
+      automatic_setup = false,
+      automatic_installation = false,
+    })
+    local nls = require('null-ls')
+    local diagnostics = nls.builtins.diagnostics
+    local formatting = nls.builtins.formatting
+    local code_actions = nls.builtins.code_actions
+    local h = require("null-ls.helpers")
+    local u = require("null-ls.utils")
+
+    local function eslint_d_cwd(params)
+      return u.root_pattern(
+        -- https://eslint.org/docs/user-guide/configuring/configuration-files#configuration-file-formats
+        ".eslintrc",
+        ".eslintrc.js",
+        ".eslintrc.cjs",
+        ".eslintrc.yaml",
+        ".eslintrc.yml",
+        ".eslintrc.json"
+        -- do not respect package.json
+        -- "package.json",
+      )(params.bufname)
+    end
+    require("null-ls").setup({
+      debug = true,
+      sources = {
+        -- Anything not supported by mason.
+        diagnostics.eslint_d.with({
+          cwd = h.cache.by_bufnr(eslint_d_cwd),
+          -- not sure how to scope this only to bcr's locales
+          extra_filetypes = { "json" },
+        }),
+        formatting.eslint_d.with({
+          cwd = h.cache.by_bufnr(eslint_d_cwd),
+          -- not sure how to scope this only to bcr's locales
+          extra_filetypes = { "json" },
+        }),
+        code_actions.eslint_d.with({
+          cwd = h.cache.by_bufnr(eslint_d_cwd),
+          -- not sure how to scope this only to bcr's locales
+          extra_filetypes = { "json" },
+        }),
+        code_actions.refactoring,
+      },
+    })
+  end,
+}