add ifis funtion | resturcture code | added ifis test

package.json

@@ -1,6 +1,6 @@
 {
   "name": "varkeeper",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "",
   "main": "dist/index.js",
   "devDependencies": {

src/index.js

@@ -8,15 +8,20 @@ function setprop(name, value) {
     }
 
     props[name] = value;
-    if (events.length > 0) {
-        let onchangeevents = events.filter(x => x.name === name && x.type === 'onchange')
-
-        onchangeevents.forEach(element => {
-            element.callback(value);
-        });
-    }
+    onchange_func(name, value);
+    ifis_func(name, value)
+   
 }
 
+function getEventsFromTypeAndName(name,type) {
+    let event = [];
+    if (events.length > 0) {
+     event = events.filter(x => x.name === name && x.type === type)
+    }
+    return event;
+}
+
+
 function getprop(name) {
     return props[name];
 }
@@ -25,14 +30,29 @@ function onchange(name, callback) {
     events.push({ name: name, callback: callback, type: 'onchange' });
 }
 
-function ifistrue(name, condition , callback) {
-    
-    if(condition) {
-        callback();
+function onchange_func(name,value){
+    if (events.length > 0) {
+        let onchangeevents = getEventsFromTypeAndName(name, 'onchange');
+
+        onchangeevents.forEach(element => {
+            element.callback(value);
+        });
     }
-    events.push({ name: name, callback: callback, type: 'ifistrue' });
+}
+
+function ifis(name, condition , callback) {
+    events.push({ name: name, callback: callback, condition: condition, type: 'ifis' });
+}
+function ifis_func(name, value) {
+    let ifisevent = getEventsFromTypeAndName(name, 'ifis');
+    ifisevent.forEach(element => {
+        if(element.condition){
+            element.callback(value);
+        }
+    });
 }
 
 
 
-module.exports = { setprop, getprop, onchange }
+
+module.exports = { setprop, getprop, onchange, ifis }

test/test.js

@@ -47,4 +47,13 @@ describe('varkeeper', () => {
             assert.equal(a, true);
         });
     });
+    describe('ifis', () => {
+        it('will call funtion by change prop value', (done) => {
+            varkeeper.ifis('test', varkeeper.getprop('test').length > 1 , (value) => {
+                done();
+            });
+            varkeeper.setprop('test', [1,2,3]);
+            throw new Error();
+        });
+    });
 });