@nodeart/event_emitter - npm Package Compare versions

Comparing version 1.0.6 to 1.1.0

package.json

 {
   "name": "@nodeart/event_emitter",
-  "version": "1.0.6",
+  "version": "1.1.0",
   "description": "Simple EventEmitter pattern",
@@ -12,3 +12,2 @@ "main": "./src/index.js",
     "start": "node ./src/index.js",
-    "build": "gulp build",
     "test": "node ./tests.js"
@@ -22,10 +21,3 @@ },
   ],
-  "devDependencies": {
-    "babel-preset-es2015": "^6.22.0",
-    "gulp": "^3.9.1",
-    "gulp-babel": "^6.1.2",
-    "gulp-browserify": "^0.5.1",
-    "gulp-rename": "^1.2.2",
-    "gulp-uglify": "^2.0.1"
-  },
+  "devDependencies": {},
   "engines": {
@@ -32,0 +24,0 @@ "node": ">=6.0.0"

README.md

@@ -0,0 +0,0 @@ [![bitHound Overall Score](https://www.bithound.io/github/NodeArt/EventEmitter/badges/score.svg)](https://www.bithound.io/github/NodeArt/EventEmitter)

src/index.js

@@ -0,32 +1,93 @@
+/**
+ * @author Ivan Prodaiko <[e-mail]>
+ */
+
 "use strict";
 
-const subscribe = once => {
+const subscribe = times => {
       return function(eventName, ...args) {
-          this.events[eventName] = args.reduce((acc, fn) => {
-              acc.push({ fn: fn, once: once });
+          this._events[eventName] = args.reduce((acc, fn) => {
+              const toPush = { fn };
+              if (times) {
+                  Object.assign(toPush, { times, count: 0 });
+              }
+              acc.push(toPush);
               return acc;
-          }, this.events[eventName] || []);
+          }, this._events[eventName] || []);
           return this;
       };
   },
-  on = subscribe(false),
-  once = subscribe(true);
+  on = subscribe(),
+  once = subscribe(1);
 
+/**
+ * Creates a new EventEmitter
+ * @constructor
+ */
+
 function EventEmitter() {
-    this.events = {};
+    /**
+     * @private _events
+     */
+    Object.defineProperty(this, '_events', { value: {}, writable: true });
 }
 
-EventEmitter.prototype.on = function (...args) {
-    return on.apply(this, args);
+/**
+ *
+ * @param eventName
+ * @type string
+ * @param args
+ * @type Function
+ * @return {EventEmitter}
+ */
+
+EventEmitter.prototype.on = function (eventName, ...args) {
+    return on.apply(this, [eventName, ...args]);
 };
 
-EventEmitter.prototype.once = function (...args) {
-    return once.apply(this, args);
+/**
+ *
+ * @param eventName
+ * @type string
+ * @param args
+ * @type Function
+ * @return {EventEmitter}
+ */
+
+EventEmitter.prototype.once = function (eventName, ...args) {
+    return once.apply(this, [eventName, ...args]);
 };
 
+/**
+ *
+ * @param eventName
+ * @type string
+ * @param times
+ * @type number
+ * @param args
+ * @type Function
+ * @return {EventEmitter}
+ */
+
+EventEmitter.prototype.times = function (eventName, times, ...args) {
+    return times > 0 ? subscribe(times).apply(this, [eventName, ...args]) : this;
+};
+
+/**
+ *
+ * @param eventName
+ * @type string
+ * @param ctx
+ * @param args
+ * @return {EventEmitter}
+ */
+
 EventEmitter.prototype.emit = function(eventName, ctx, ...args) {
-    if (!this.events[eventName]) return this;
-    this.events[eventName] = this.events[eventName].filter(elem => {
+    if (!this._events[eventName]) return this;
+    this._events[eventName] = this._events[eventName].filter(elem => {
         elem.fn.apply(ctx, args);
-        return !elem.once;
+        if (elem.times) {
+            elem.count += 1;
+        }
+        return elem.count ? (elem.times !== elem.count) : true;
     });
@@ -36,13 +97,21 @@ return this;
 
+/**
+ *
+ * @param eventName
+ * @type string
+ * @param fns
+ * @return {EventEmitter}
+ */
+
 EventEmitter.prototype.off = function(eventName, ...fns) {
-    if (!this.events[eventName]) return this;
+    if (!this._events[eventName]) return this;
     if (fns.length) {
-      const tasksLeft = this.events[eventName].filter(listener => !fns.includes(listener.fn));
+      const tasksLeft = this._events[eventName].filter(listener => !fns.includes(listener.fn));
       if (tasksLeft.length) {
-          this.events[eventName] = tasksLeft;
+          this._events[eventName] = tasksLeft;
       } else {
-          delete this.events[eventName];
+          delete this._events[eventName];
       }
     } else {
-      delete this.events[eventName];
+      delete this._events[eventName];
     }
@@ -52,7 +121,22 @@ return this;
 
+/**
+ *
+ * @return {EventEmitter}
+ */
+
 EventEmitter.prototype.offAll = function () {
-    this.events = {};
+    this._events = {};
     return this;
 };
 
+/**
+ *
+ * @param successor
+ * @type Object
+ */
+EventEmitter.extend = function (successor) {
+    EventEmitter.call(successor);
+    Object.setPrototypeOf(successor, EventEmitter.prototype)
+};
+
 if (typeof module !== 'undefined' && module.exports) {
@@ -59,0 +143,0 @@ module.exports = EventEmitter;

tests.js

@@ -27,3 +27,3 @@ /**
 
-assert.equal(Object.keys(events.events['event1']).length, 2, 'Once test error');
+assert.equal(Object.keys(events._events['event1']).length, 2, 'Once test error');
 
@@ -37,3 +37,3 @@ const fn = (...args) => assert.deepEqual(args, [1, 2, 3], 'Args test error');
 
-assert.equal(events.events['event2'], undefined, 'Off test error');
+assert.equal(events._events['event2'], undefined, 'Off test error');
 
@@ -44,2 +44,2 @@ events
 
-assert.deepEqual(events.events, {}, 'OffAll test error');
+assert.deepEqual(events._events, {}, 'OffAll test error');

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Dynamic require

Supply chain risk

Dynamic require can indicate the package is performing dangerous or unsafe dynamic code execution.

Found 1 instance in 1 package

Minified code

Quality

This package contains minified code. This may be harmless in some cases where minified code is included in packaged libraries, however packages on npm should not minify code.

Found 1 instance in 1 package

Improved metrics

Dev dependency count

0

decreased by-100%

Number of low quality alerts

1

decreased by-50%

Number of low supply chain risk alerts

0

decreased by-100%

Worsened metrics

Total package byte prevSize

6807

decreased by-41.81%

Number of package files

7

decreased by-30%

Lines of code

157

decreased by-15.59%

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes