22 lines
675 B
TypeScript
22 lines
675 B
TypeScript
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export function EventListener(event: string): (...args: any[]) => void {
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return (
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target: any,
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propertyKey: string,
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descriptor: PropertyDescriptor,
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) => {
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const originalMethod = descriptor.value;
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descriptor.value = function(...args: any[]): void {
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// This ugly hack because TS thinks 'this'
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// is still referring to 'PropertyDescriptor'
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const self = this as any;
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self.stream.on(self.name, event, (...data: any[]) =>
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originalMethod.apply(self, data),
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);
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};
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// Set the function to be autoexecuted when the plugin is initialized.
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descriptor.value.prototype.__autoexec = 1;
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return descriptor;
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};
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}
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