rename functionality

Author: mattleong

lua/cosmic-ui/rename.lua

@@ -1,9 +1,45 @@
+local lsp = vim.lsp
 local utils = require('cosmic-ui.utils')
 
+local function rename_handler(...)
+  local result
+  local method
+  local err = select(1, ...)
+  local is_new = not select(4, ...) or type(select(4, ...)) ~= 'number'
+  if is_new then
+    method = select(3, ...).method
+    result = select(2, ...)
+  else
+    method = select(2, ...)
+    result = select(3, ...)
+  end
+
+  if err then
+    vim.notify(("Error running LSP query '%s': %s"):format(method, err), vim.log.levels.ERROR, {
+      title = 'Cosmic-UI',
+    })
+    return
+  end
+
+  local new_word = ''
+  if result and result.changes then
+    local msg = {}
+    for f, c in pairs(result.changes) do
+      new_word = c[1].newText
+      table.insert(msg, ('%d changes -> %s'):format(#c, utils.get_relative_path(f)))
+    end
+    local currName = vim.fn.expand('<cword>')
+    vim.notify(msg, vim.log.levels.INFO, { title = ('Rename: %s -> %s'):format(currName, new_word) })
+  end
+
+  vim.lsp.handlers[method](...)
+end
+
 local function rename(popup_opts, opts)
   opts = opts or {}
   local Input = require('nui.input')
   local event = require('nui.utils.autocmd').event
+  local curr_name = vim.fn.expand('<cword>')
   local default_popup_opts = {
     position = {
       row = 1,
@@ -29,12 +65,14 @@ local function rename(popup_opts, opts)
 
   local default_opts = {
     prompt = '> ',
-    default_value = vim.fn.expand('<cword>'),
-    on_close = function()
-      print('Input closed!')
-    end,
-    on_submit = function(value)
-      print('You are ' .. value .. ' years old')
+    default_value = curr_name,
+    on_submit = function(new_name)
+      if not (new_name and #new_name > 0) or new_name == curr_name then
+        return
+      end
+      local params = lsp.util.make_position_params()
+      params.newName = new_name
+      lsp.buf_request(0, 'textDocument/rename', params, rename_handler)
     end,
   }
 

lua/cosmic-ui/utils.lua

@@ -4,6 +4,14 @@ M.merge = function(defaults, opts)
   return vim.tbl_deep_extend('force', defaults, opts or {})
 end
 
+M.get_relative_path = function(file_path)
+  local plenary_path = require('plenary.path')
+  local parsed_path, _ = file_path:gsub('file://', '')
+  local path = plenary_path:new(parsed_path)
+  local relative_path = path:make_relative(vim.fn.getcwd())
+  return './' .. relative_path
+end
+
 -- Default backspace has inconsistent behavior, have to make our own (for now)
 -- Taken from here:
 -- https://github.com/neovim/neovim/issues/14116#issuecomment-976069244

readme.md

@@ -1 +1,11 @@
 <h1 align="center">💫 Cosmic-UI</h1>
+
+## Installation
+
+```lua
+use({
+  'CosmicNvim/cosmic-ui',
+  requires = { 'MunifTanjim/nui.nvim', 'nvim-lua/plenary.nvim' },
+})
+
+```