feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/pm2-axon/lib/sockets/sub.js

@@ -0,0 +1,148 @@
+
+/**
+ * Module dependencies.
+ */
+
+var debug = require('debug')('axon:sub');
+var escape = require('escape-string-regexp');
+var Message = require('amp-message');
+var Socket = require('./sock');
+
+/**
+ * Expose `SubSocket`.
+ */
+
+module.exports = SubSocket;
+
+/**
+ * Initialize a new `SubSocket`.
+ *
+ * @api private
+ */
+
+function SubSocket() {
+  Socket.call(this);
+  this.subscriptions = [];
+}
+
+/**
+ * Inherits from `Socket.prototype`.
+ */
+
+SubSocket.prototype.__proto__ = Socket.prototype;
+
+/**
+ * Check if this socket has subscriptions.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+
+SubSocket.prototype.hasSubscriptions = function(){
+  return !! this.subscriptions.length;
+};
+
+/**
+ * Check if any subscriptions match `topic`.
+ *
+ * @param {String} topic
+ * @return {Boolean}
+ * @api public
+ */
+
+SubSocket.prototype.matches = function(topic){
+  for (var i = 0; i < this.subscriptions.length; ++i) {
+    if (this.subscriptions[i].test(topic)) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Message handler.
+ *
+ * @param {net.Socket} sock
+ * @return {Function} closure(msg, mulitpart)
+ * @api private
+ */
+
+SubSocket.prototype.onmessage = function(sock){
+  var subs = this.hasSubscriptions();
+  var self = this;
+
+  return function(buf){
+    var msg = new Message(buf);
+
+    if (subs) {
+      var topic = msg.args[0];
+      if (!self.matches(topic)) return debug('not subscribed to "%s"', topic);
+    }
+
+    self.emit.apply(self, ['message'].concat(msg.args).concat(sock));
+  };
+};
+
+/**
+ * Subscribe with the given `re`.
+ *
+ * @param {RegExp|String} re
+ * @return {RegExp}
+ * @api public
+ */
+
+SubSocket.prototype.subscribe = function(re){
+  debug('subscribe to "%s"', re);
+  this.subscriptions.push(re = toRegExp(re));
+  return re;
+};
+
+/**
+ * Unsubscribe with the given `re`.
+ *
+ * @param {RegExp|String} re
+ * @api public
+ */
+
+SubSocket.prototype.unsubscribe = function(re){
+  debug('unsubscribe from "%s"', re);
+  re = toRegExp(re);
+  for (var i = 0; i < this.subscriptions.length; ++i) {
+    if (this.subscriptions[i].toString() === re.toString()) {
+      this.subscriptions.splice(i--, 1);
+    }
+  }
+};
+
+/**
+ * Clear current subscriptions.
+ *
+ * @api public
+ */
+
+SubSocket.prototype.clearSubscriptions = function(){
+  this.subscriptions = [];
+};
+
+/**
+ * Subscribers should not send messages.
+ */
+
+SubSocket.prototype.send = function(){
+  throw new Error('subscribers cannot send messages');
+};
+
+/**
+ * Convert `str` to a `RegExp`.
+ *
+ * @param {String} str
+ * @return {RegExp}
+ * @api private
+ */
+
+function toRegExp(str) {
+  if (str instanceof RegExp) return str;
+  str = escape(str);
+  str = str.replace(/\\\*/g, '(.+)');
+  return new RegExp('^' + str + '$');
+}