tennu/lib/listener.js

Tennu - Modular IRC Bot Framework for Node.js

module.exports = function Listener (fn) {
    var listener = fn;

    switch (typeof fn.channel) {
        case "string":
            listener = function (e) {
                if (e.channel === fn.channel) {
                    return;
                } else {
                    listener.apply(this, arguments);
                }
            };
            break;
        case "array":
            listener = function (e) {
                if (listener.channel.indexOf(e.channel) > -1) {
                    return;
                } else {
                    listener.apply(this, arguments);
                }
            };
            break;
        case fn.channels instanceof RegExp:
            listener = function (e) {
                if (fn.channel.test(e.channel)) {
                    return;
                } else {
                    listener.apply(this, arguments);
                }
            };
    }

    return listener;
};