25 lines
373 B
JavaScript
25 lines
373 B
JavaScript
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/**
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* Module exports.
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*/
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module.exports = on;
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/**
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* Helper for subscriptions.
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*
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* @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
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* @param {String} event name
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* @param {Function} callback
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* @api public
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*/
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function on (obj, ev, fn) {
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obj.on(ev, fn);
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return {
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destroy: function () {
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obj.removeListener(ev, fn);
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}
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};
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}
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