fix: maxListeners warning (#240)

vendor/ink/build/components/App.js

@@ -12,6 +12,9 @@ import StdoutContext from './StdoutContext.js';
 const tab = '\t';
 const shiftTab = '\u001B[Z';
 const escape = '\u001B';
+// Maximum number of event listeners to allow on stdin and internal_eventEmitter.
+const MAX_INPUT_LISTENERS = 20;
+
 export default class App extends PureComponent {
     static displayName = 'InternalApp';
     static getDerivedStateFromError(error) {
@@ -27,7 +30,7 @@ export default class App extends PureComponent {
     // Increase max listeners to accommodate multiple useInput hooks across components
     internal_eventEmitter = (() => {
         const emitter = new EventEmitter();
-        emitter.setMaxListeners(20);
+        emitter.setMaxListeners(MAX_INPUT_LISTENERS);
         return emitter;
     })();
     isRawModeSupported() {
@@ -42,6 +45,10 @@ export default class App extends PureComponent {
     }
     componentDidMount() {
         cliCursor.hide(this.props.stdout);
+        // Increase max listeners on stdin to accommodate multiple useInput hooks
+        if (this.props.stdin?.setMaxListeners) {
+            this.props.stdin.setMaxListeners(MAX_INPUT_LISTENERS);
+        }
     }
     componentWillUnmount() {
         cliCursor.show(this.props.stdout);
@@ -62,6 +69,8 @@ export default class App extends PureComponent {
                 throw new Error('Raw mode is not supported on the stdin provided to Ink.\nRead about how to prevent this error on https://github.com/vadimdemedes/ink/#israwmodesupported');
             }
         }
+        // Increase max listeners on stdin to accommodate multiple useInput hooks
+        stdin.setMaxListeners(MAX_INPUT_LISTENERS);
         stdin.setEncoding('utf8');
         if (isEnabled) {
             if (this.rawModeEnabledCount === 0) {