extension: run cue lsp minimally when configured to do so

DO NOT SUBMIT

Signed-off-by: Paul Jolly <[email protected]>
Change-Id: I6a1879a603ff2db693f045d26fe14018c01c6332
Dispatch-Trailer: {"type":"trybot","CL":1201041,"patchset":89,"ref":"refs/changes/41/1201041/89","targetBranch":"master"}

extension/extension.cue

@@ -9,11 +9,13 @@ extension: npm: {
 	icon:        "media/white_circle_128.png"
 	license:     "MIT"
 	publisher:   "cuelangorg"
-	engines: vscode: ">=1.63.0"
+	engines: vscode: ">=\(devDependencies["@types/vscode"])"
 	categories: [
 		"Programming Languages",
 	]
-	activationEvents: []
+	activationEvents: [
+		"onLanguage:cue",
+	]
 	main: "./dist/main.js"
 	contributes: {
 		languages: [{
@@ -30,10 +32,49 @@ extension: npm: {
 			path:      "./syntaxes/cue.tmLanguage.json"
 			embeddedLanguages: "source.cue.embedded": "source.cue"
 		}]
-		commands: [{
-			command: "vscode-cue.welcome"
-			title:   "CUE: Welcome"
-		}]
+		commands: [
+			{
+				command: "vscode-cue.welcome"
+				title:   "CUE: Welcome"
+			},
+			{
+				command: "vscode-cue.startlsp"
+				title:   "CUE: Start CUE LSP"
+			},
+			{
+				command: "vscode-cue.stoplsp"
+				title:   "CUE: Stop CUE LSP"
+			},
+			// TODO: see comment above reference to cmdToggleAutoRestartLSP
+			// reference in activate function.
+			// {
+			// 	command: "vscode-cue.toggleautorestart"
+			// 	title:   "CUE: Toggle CUE LSP auto-restart"
+			// },
+		]
+
+		// TODO: switch to being the result of a JSON Schema "export"
+		configuration: {
+			type:  "object"
+			title: "CUE"
+			properties: {
+				"cue.useLanguageServer": {
+					type:        "boolean"
+					default:     true
+					description: "Enable cuepls, the language server for CUE."
+				}
+				"cue.languageServerCommand": {
+					type: "array"
+					default: []
+					description: "The command to run to launch the language server."
+				}
+				"cue.languageServerFlags": {
+					type: "array"
+					default: []
+					description: "Flags like -rpc.trace and -logfile to be used while running the language server."
+				}
+			}
+		}
 	}
 	scripts: {
 		"vscode:prepublish": "cue cmd genPackageJSON && npm run clean && npm run buildpackage"

extension/npm.cue

@@ -3,7 +3,7 @@ package extension
 extension: npm: devDependencies: {
 	"@types/mocha":                     "10.0.7"
 	"@types/node":                      "22.9.1"
-	"@types/vscode":                    "1.63.0"
+	"@types/vscode":                    "1.85.0"
 	"@typescript-eslint/eslint-plugin": "7.14.1"
 	"@typescript-eslint/parser":        "7.11.0"
 	"@vscode/test-cli":                 "0.0.9"
@@ -12,5 +12,9 @@ extension: npm: devDependencies: {
 	esbuild:                            "0.21.5"
 	eslint:                             "8.57.0"
 	"npm-run-all":                      "4.1.5"
+	tar:                                "7.4.3"
 	typescript:                         "5.4.5"
+	"@types/which":                     "3.0.4"
+	"vscode-languageclient":            "9.0.1"
+	which:                              "5.0.0"
 }