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22 lines
535 B
TypeScript
22 lines
535 B
TypeScript
export class Event2Args<T, M> {
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private handlers: ((data?: T, data2?: M) => void)[] = [];
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public on(handler: (data?: T, data2?: M) => void): void {
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this.handlers.push(handler);
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}
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public off(handler: (data?: T, data2?: M) => void): void {
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this.handlers = this.handlers.filter((h): boolean => h !== handler);
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}
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public allOff(): void {
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this.handlers = [];
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}
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public trigger(data?: T, data2?: M): void {
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if (this.handlers) {
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this.handlers.slice(0).forEach((h): void => h(data, data2));
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}
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}
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}
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