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Cleanup

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This commit is contained in:
Arkadiusz Wieczorek 2022-04-22 13:43:05 +02:00
parent 28ac0201b9
commit 6faa078095
1 changed files with 6 additions and 10 deletions
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16
memory.ts
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@ -65,15 +65,15 @@ export default class Memory extends EventEmitter {
} }
private originalEmit(type: string, ...args: unknown[]) { private originalEmit(type: string, ...args: unknown[]) {
var doError = type === 'error'; let doError = type === 'error';
var events = (this as any)._events; let events = (this as any)._events;
if (events !== undefined) doError = doError && events.error === undefined; if (events !== undefined) doError = doError && events.error === undefined;
else if (!doError) return false; else if (!doError) return false;
// If there is no 'error' event listener then throw. // If there is no 'error' event listener then throw.
if (doError) { if (doError) {
var er; let er;
if (args.length > 0) er = args[0]; if (args.length > 0) er = args[0];
if (er instanceof Error) { if (er instanceof Error) {
// Note: The comments on the `throw` lines are intentional, they show // Note: The comments on the `throw` lines are intentional, they show
@ -81,15 +81,13 @@ export default class Memory extends EventEmitter {
throw er; // Unhandled 'error' event throw er; // Unhandled 'error' event
} }
// At least give some kind of context to the user // At least give some kind of context to the user
var err = new Error('Unhandled error.' + (er ? ' (' + (er as any).message + ')' : '')); let err = new Error('Unhandled error.' + (er ? ' (' + (er as any).message + ')' : ''));
(err as any).context = er; (err as any).context = er;
throw err; // Unhandled 'error' event throw err; // Unhandled 'error' event
} }
var handler = events[type]; let handler = events[type];
if (handler === undefined) return false; if (handler === undefined) return false;
if (typeof handler === 'function') { if (typeof handler === 'function') {
try { try {
Reflect.apply(handler, this, args); Reflect.apply(handler, this, args);
@ -97,8 +95,7 @@ export default class Memory extends EventEmitter {
events[type] = undefined; events[type] = undefined;
} }
} else { } else {
// var len = handler.length; let listeners = [...handler];
var listeners = [...handler];
listeners listeners
.filter((e) => { .filter((e) => {
@ -118,7 +115,6 @@ export default class Memory extends EventEmitter {
} }
}); });
} }
return true; return true;
} }