fix(health): add lua health report with updated methods

Fix #422

lua/floaterm/health.lua

@@ -0,0 +1,60 @@
+-- vim:sw=2:
+-- ============================================================================
+-- FileName: floaterm.vim
+-- Author: voldikss <dyzplus@gmail.com>
+-- GitHub: https://github.com/voldikss
+-- ============================================================================
+
+local M = {}
+
+local get_nvim_info = function()
+  return vim.fn.split(vim.fn.execute('version'), "\n")[1]
+end
+
+local get_plugin_info = function()
+  local home = vim.fn.fnamemodify(vim.fn.resolve(vim.fn.expand('<sfile>:p')), ':h:h:h')
+  local save_cwd = vim.fn.getcwd()
+  vim.fn.execute('cd ' .. home, 'silent!')
+  local result = vim.fn.system('git rev-parse --short HEAD')
+  vim.fn.execute('cd ' .. save_cwd, 'silent!')
+  return result
+end
+
+local check_common = function()
+  vim.health.start('common')
+  vim.health.info('Platform: ' .. vim.uv.os_uname().sysname)
+  vim.health.info('Nvim: ' .. get_nvim_info())
+  vim.health.info('Plugin: ' .. get_plugin_info())
+end
+
+local check_terminal = function()
+  vim.health.start('terminal')
+  if vim.fn.exists(':terminal') then
+    vim.health.ok('Terminal emulator is available')
+  else
+    vim.health.error(
+      'Terminal emulator is missing',
+      {'Install the latest version of neovim'}
+    )
+  end
+end
+
+local check_floating = function()
+  vim.health.start('floating')
+  if vim.fn.exists('*nvim_win_set_config') then
+    vim.health.ok('Floating window is available')
+  else
+    vim.health.warn(
+      'Floating window is missing, will fallback to use normal window',
+      {'Install the latest version neovim'}
+    )
+  end
+end
+
+M.check = function()
+  check_common()
+  check_terminal()
+  check_floating()
+end
+
+return M