Force server shutdown after 2 seconds

See
atom/ide-typescript@d9d2592

Author: lgeiger

lib/main.js

@@ -74,6 +74,22 @@ class PythonLanguageClient extends AutoLanguageClient {
     if (!PYTHON_REGEX.test(request.prefix)) return null;
     return super.getSuggestions(request);
   }
+
+  deactivate() {
+    return Promise.race([super.deactivate(), this.createTimeoutPromise(2000)]);
+  }
+
+  createTimeoutPromise(milliseconds) {
+    return new Promise((resolve, reject) => {
+      let timeout = setTimeout(() => {
+        clearTimeout(timeout);
+        this.logger.error(
+          `Server failed to shutdown in ${milliseconds}ms, forcing termination`
+        );
+        resolve();
+      }, milliseconds);
+    });
+  }
 }
 
 module.exports = new PythonLanguageClient();