🔧 Configured neovim with prettier directly

.config/nvim/after/plugin/null-ls.lua

@@ -0,0 +1,32 @@
+local null_ls = require("null-ls")
+
+local group = vim.api.nvim_create_augroup("lsp_format_on_save", { clear = false })
+local event = "BufWritePre" -- or "BufWritePost"
+local async = event == "BufWritePost"
+
+null_ls.setup({
+  on_attach = function(client, bufnr)
+    if client.supports_method("textDocument/formatting") then
+      vim.keymap.set("n", "<Leader>f", function()
+        vim.lsp.buf.format({ bufnr = vim.api.nvim_get_current_buf() })
+      end, { buffer = bufnr, desc = "[lsp] format" })
+
+      -- format on save
+      vim.api.nvim_clear_autocmds({ buffer = bufnr, group = group })
+      vim.api.nvim_create_autocmd(event, {
+        buffer = bufnr,
+        group = group,
+        callback = function()
+          vim.lsp.buf.format({ bufnr = bufnr, async = async })
+        end,
+        desc = "[lsp] format on save",
+      })
+    end
+
+    if client.supports_method("textDocument/rangeFormatting") then
+      vim.keymap.set("x", "<Leader>f", function()
+        vim.lsp.buf.format({ bufnr = vim.api.nvim_get_current_buf() })
+      end, { buffer = bufnr, desc = "[lsp] format" })
+    end
+  end,
+})