refactor!: improve lazy-loading by registering custom filetype `yaml.…

…kpops`

README.md

@@ -11,15 +11,14 @@ example using [Lazy](https://github.com/folke/lazy.nvim) plugin manager
 ```lua
 {
     'disrupted/kpops.nvim',
-    ft = 'yaml',
+    ft = 'yaml.kpops',
     opts = {
         settings = {
             kpops = {
                 generate_schema = true,
             },
         },
     },
-    config = true,
     dependencies = { 'neovim/nvim-lspconfig' }
 }
 ```

ftdetect/kpops.lua

@@ -0,0 +1,11 @@
+local kpops = require('kpops.cli')
+if not kpops.is_installed() then
+  return
+end
+vim.filetype.add({
+  pattern = {
+    ['pipeline?.*%.yaml'] = 'yaml.kpops',
+    ['defaults_?.*%.yaml'] = 'yaml.kpops',
+    ['config?.*%.yaml'] = 'yaml.kpops',
+  },
+})

lua/kpops/init.lua

@@ -1,3 +1,4 @@
+local kpops = require('kpops.cli')
 local lsp = require('kpops.lsp')
 local commands = require('kpops.commands')
 local config = require('kpops.config')
@@ -6,6 +7,11 @@ local M = {}
 
 -- -@param opts table<string, any>
 M.setup = function(opts)
+  if not kpops.is_installed() then
+    vim.notify('KPOps is not installed', vim.log.levels.WARN)
+    return
+  end
+
   commands.setup()
   config = vim.tbl_deep_extend('force', config, opts or {})
   lsp.setup(config)

lua/kpops/lsp.lua

@@ -11,15 +11,8 @@ M.setup = function(conf)
     -- https://github.com/redhat-developer/yaml-language-server
     default_config = {
       cmd = { 'yaml-language-server', '--stdio' },
-      filetypes = { 'yaml' },
+      filetypes = { 'yaml.kpops' },
       root_dir = function(filename)
-        if not kpops.is_installed() then
-          return nil
-        end
-        if not schema.is_kpops_file(filename) then
-          return nil -- not a KPOps project, abort LSP startup
-        end
-
         local cwd = lspconfig.util.find_git_ancestor(filename) or vim.loop.cwd()
         return cwd
       end,