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fix: maxListeners warning (#240)

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This commit is contained in:
Devansh Jain
2025-12-16 11:40:52 -08:00
committed by GitHub
parent ea175e1dbb
commit f5110dd21e
1 changed files with 10 additions and 1 deletions
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11
vendor/ink/build/components/App.js vendored
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@@ -12,6 +12,9 @@ import StdoutContext from './StdoutContext.js';
const tab = '\t'; const tab = '\t';
const shiftTab = '\u001B[Z'; const shiftTab = '\u001B[Z';
const escape = '\u001B'; 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 { export default class App extends PureComponent {
static displayName = 'InternalApp'; static displayName = 'InternalApp';
static getDerivedStateFromError(error) { static getDerivedStateFromError(error) {
@@ -27,7 +30,7 @@ export default class App extends PureComponent {
// Increase max listeners to accommodate multiple useInput hooks across components // Increase max listeners to accommodate multiple useInput hooks across components
internal_eventEmitter = (() => { internal_eventEmitter = (() => {
const emitter = new EventEmitter(); const emitter = new EventEmitter();
emitter.setMaxListeners(20); emitter.setMaxListeners(MAX_INPUT_LISTENERS);
return emitter; return emitter;
})(); })();
isRawModeSupported() { isRawModeSupported() {
@@ -42,6 +45,10 @@ export default class App extends PureComponent {
} }
componentDidMount() { componentDidMount() {
cliCursor.hide(this.props.stdout); 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() { componentWillUnmount() {
cliCursor.show(this.props.stdout); 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'); 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'); stdin.setEncoding('utf8');
if (isEnabled) { if (isEnabled) {
if (this.rawModeEnabledCount === 0) { if (this.rawModeEnabledCount === 0) {