Pull yaml ls into a virtual plugin

nvim/lua/plugins/mason.lua

@@ -76,19 +76,6 @@ local function configure()
       on_attach = on_attach,
       capabilities = capabilities,
     })
-
-    lsp_config.yamlls.setup({
-      on_attach = on_attach,
-      capabilities = capabilities,
-      settings = {
-        yaml = {
-          schemas = {
-            ["https://json.schemastore.org/github-workflow.json"] = "/.github/workflows/*",
-            ["https://gitlab.com/gitlab-org/gitlab/-/raw/master/app/assets/javascripts/editor/schema/ci.json"] = "/.gitlab-ci.yml",
-          },
-        },
-      },
-    })
   end
 end
 

nvim/lua/plugins/yaml.lua

@@ -0,0 +1,43 @@
+local function install_lsp_and_dap_if_needed()
+  local INSTALL_THESE = {
+    "yaml-language-server", -- LSP
+  }
+  for _, pkg in ipairs(INSTALL_THESE) do
+    if not require("mason-registry").is_installed(pkg) then
+      require("mason.api.command").MasonInstall({ pkg })
+    end
+  end
+end
+
+local function configure_lsp()
+  local lsp = require("language-server")
+  local lsp_config_ok, lsp_config = pcall(require, "lspconfig")
+  if not lsp_config_ok then
+    return
+  end
+
+  lsp_config.yamlls.setup({
+    on_attach = on_attach,
+    capabilities = capabilities,
+    settings = {
+      yaml = {
+        schemas = {
+          ["https://json.schemastore.org/github-workflow.json"] = "/.github/workflows/*",
+          ["https://gitlab.com/gitlab-org/gitlab/-/raw/master/app/assets/javascripts/editor/schema/ci.json"] = "/.gitlab-ci.yml",
+        },
+      },
+    },
+  })
+end
+
+local function configure()
+  install_lsp_and_dap_if_needed()
+  configure_lsp()
+end
+
+return {
+  "local/yaml",
+  config = configure,
+  ft = "yaml",
+  virtual = true,
+}