diff --git a/nvimrc b/nvimrc
index a7ce53b..1bdcdd5 100644
--- a/nvimrc
+++ b/nvimrc
@@ -127,7 +127,7 @@ imap <right> <nop>
 nmap ]q :cn<cr>
 nmap [q :cp<cr>
 
-nnoremap <silent> <leader>w :w<cr>
+nnoremap <silent> <leader>w :up<cr>
 nnoremap <silent> <leader>/ :nohlsearch<cr>
 nnoremap <silent> <leader><space> :nohlsearch<cr>
 " Select just-pasted text:
@@ -142,6 +142,9 @@ nnoremap <leader>s :split<cr>
 nnoremap <leader>rp "_dd<bar>P
 nnoremap <leader>dq ggVG"_d:wq<cr>
 
+" abbrevs
+iabbrev esdebug debugger; // eslint-disable-line no-debugger
+
 lua <<EOF
 function _G.dump(...)
   local objects = vim.tbl_map(vim.inspect, {...})
@@ -455,6 +458,36 @@ packadd! vim-rhubarb       " https://github.com/tpope/vim-rhubarb.git
 packadd! editorconfig-vim  " https://github.com/editorconfig/editorconfig-vim.git
 packadd! vim-wordmotion    " https://github.com/chaoren/vim-wordmotion.git
 
+" formatter.nvim
+packadd! formatter.nvim    " https://github.com/mhartington/formatter.nvim.git
+lua <<EOF
+local prettier = function()
+  return {
+    -- TODO: figure out how to pass a relative path based on project root to
+    -- formatter.nvim.
+    exe = "/home/rob/dev/clipper/frontend/node_modules/.bin/prettier",
+    args = {"--stdin-filepath", vim.api.nvim_buf_get_name(0), '--single-quote'},
+    stdin = true
+  }
+end
+require('formatter').setup({
+  filetype = {
+    javascript = { prettier },
+    typescript = { prettier },
+    typescriptreact = { prettier },
+  }
+})
+
+vim.api.nvim_exec([[
+augroup FormatAutogroup
+  autocmd!
+  autocmd BufWritePost *.js,*.ts,*.tsx silent FormatWrite
+augroup END
+]], true)
+
+vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>F', '<Cmd>silent Format<CR>', { noremap=true, silent=true })
+EOF
+
 " enable inline vim highlighting:
 let g:vimsyn_embed= 'lPr'
 
@@ -643,11 +676,16 @@ local filetypes = {
   typescript = "eslint",
   typescriptreact = "eslint",
 }
+
+-- diagnosticls
+
 local linters = {
   eslint = {
     sourceName = "eslint",
-    command = "eslint",
-    rootPatterns = {".eslintrc.js", "package.json"},
+    -- fallback to global eslint if the local is not found?
+    -- https://github.com/creativenull/diagnosticls-configs-nvim/blob/e7d6f7e99f6b416d2aeee89314bc46fc36df7b22/lua/diagnosticls-configs/fs.lua#L20
+    command = "./node_modules/.bin/eslint",
+    rootPatterns = {".eslintrc", ".eslintrc.js"},
     debounce = 100,
     args = {"--stdin", "--stdin-filename", "%filepath", "--format", "json"},
     parseJson = {