use conform rather than ALE

lua/plugins/conform.lua

@@ -0,0 +1,57 @@
+vim.api.nvim_create_user_command("FormatDisable", function(args)
+  if args.bang then
+    -- FormatDisable! will disable formatting just for this buffer
+    vim.b.disable_autoformat = true
+  else
+    vim.g.disable_autoformat = true
+  end
+end, {
+  desc = "Disable autoformat-on-save",
+  bang = true,
+})
+vim.api.nvim_create_user_command("FormatEnable", function()
+  vim.b.disable_autoformat = false
+  vim.g.disable_autoformat = false
+end, {
+  desc = "Re-enable autoformat-on-save",
+})
+
+return {
+  "stevearc/conform.nvim",
+  event = { "BufReadPre", "BufNewFile" },
+  config = function()
+    local conform = require("conform")
+    conform.setup({
+      formatters_by_ft = {
+        javascript = { "prettier", "eslint", },
+        typescript = { "prettier", "eslint" },
+        javascriptreact = { "prettier" },
+        typescriptreact = { "prettier" },
+        svelte = { "prettier" },
+        css = { "prettier" },
+        html = { "prettier" },
+        json = { "prettier" },
+        yaml = { "prettier" },
+        markdown = { "prettier" },
+        graphql = { "prettier" },
+        ruby = { 'rubocop' },
+        ["*"] = { "trim_whitespace" },
+      },
+      format_after_save = function(bufnr)
+        if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+          return
+        end
+
+        return {
+          lsp_fallback = true,
+          async = true,
+        }
+      end,
+      formatters = {
+        rubocop = {
+          args = { "--server", "--auto-correct-all", "--stderr", "--force-exclusion", "--stdin", "$FILENAME" }
+        }
+      }
+    })
+  end,
+}