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fix: crashed events deprecation (#40090)

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Milan Burda 2023-10-06 01:57:14 +02:00 • committed by GitHub
parent 3392d9a2e7
commit 83a928f6e3
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4 changed files with 15 additions and 13 deletions
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7
lib/common/deprecate.ts
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@ -66,14 +66,17 @@ export function renameFunction<T extends Function> (fn: T, newName: string): T {
}
// change the name of an event
export function event (emitter: NodeJS.EventEmitter, oldName: string, newName: string) {
export function event (emitter: NodeJS.EventEmitter, oldName: string, newName: string, transformer: (...args: any[]) => any[] | undefined = (...args) => args) {
const warn = newName.startsWith('-') /* internal event */
? warnOnce(`${oldName} event`)
: warnOnce(`${oldName} event`, `${newName} event`);
return emitter.on(newName, function (this: NodeJS.EventEmitter, ...args) {
if (this.listenerCount(oldName) !== 0) {
warn();
this.emit(oldName, ...args);
const transformedArgs = transformer(...args);
if (transformedArgs) {
this.emit(oldName, ...transformedArgs);
}
}
});
}