Move lsp server to this repo (#5619)

rust/kcl-language-server/client/src/commands.ts

@@ -0,0 +1,32 @@
+/* eslint suggest-no-throw/suggest-no-throw: 0 */
+import * as vscode from 'vscode'
+
+import type { Cmd, CtxInit } from './ctx'
+import { spawnSync } from 'child_process'
+
+export function serverVersion(ctx: CtxInit): Cmd {
+  return async () => {
+    if (!ctx.serverPath) {
+      void vscode.window.showWarningMessage(
+        `kcl-language-server server is not running`
+      )
+      return
+    }
+    const { stdout } = spawnSync(ctx.serverPath, ['--version'], {
+      encoding: 'utf8',
+    })
+    const versionString = stdout.slice(`kcl-language-server `.length).trim()
+
+    void vscode.window.showInformationMessage(
+      `kcl-language-server version: ${versionString}`
+    )
+  }
+}
+
+export function openLogs(ctx: CtxInit): Cmd {
+  return async () => {
+    if (ctx.client.outputChannel) {
+      ctx.client.outputChannel.show()
+    }
+  }
+}