12 lines
308 B
JavaScript
12 lines
308 B
JavaScript
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var events = require('events');
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if(typeof events.EventEmitter.prototype.once !== 'function') {
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events.EventEmitter.prototype.once = function (type, listener) {
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var self = this;
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self.on(type, function g () {
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self.removeListener(type, g);
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listener.apply(this, arguments);
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});
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};
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}
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