adding health.lua

lua/navigator/health.lua

@@ -0,0 +1,56 @@
+local M = {}
+
+local util = require('navigator.util')
+local log = util.log
+local health = vim.health
+if not vim.health then
+  health = require('health')
+end
+
+local nvim_09 = vim.fn.has('nvim-0.9') == 1
+
+local start = nvim_09 and health.start or health.report_start
+local ok = nvim_09 and health.ok or health.report_ok
+local error = nvim_09 and health.error or health.report_error
+local warn = nvim_09 and health.warn or health.report_warn
+local info = nvim_09 and health.info or health.report_info
+
+local vfn = vim.fn
+
+local function plugin_check()
+  start('navigator Plugin Check')
+
+  local plugins = {
+    'lspconfig',
+    'nvim-treesitter',
+    'guihua',
+  }
+  local any_warn = false
+  local ts_installed = false
+  for _, plugin in ipairs(plugins) do
+    if pcall(require, plugin) then
+      ok(string.format('%s: plugin is installed', plugin))
+      if plugin == 'nvim-treesitter' then
+        ts_installed = true
+      end
+    else
+      any_warn = true
+      warn(string.format('%s: not installed/loaded', plugin))
+    end
+  end
+  if any_warn then
+    warn('Not all plugin installed')
+  else
+    ok('All plugin installed')
+  end
+end
+
+
+function M.check()
+  if vim.fn.has('nvim-0.9') == 0 then
+    warn('Suggested neovim version 0.9 or higher')
+  end
+  plugin_check()
+end
+
+return M