Link function of the provided service will only be called once to prevent memory leaks

Author: sagiegurari

README.md

@@ -136,7 +136,7 @@ See [contributing guide](.github/CONTRIBUTING.md)
 
 | Date        | Version | Description |
 | ----------- | ------- | ----------- |
-| 2017-11-07  | v1.0.37 | Maintenance |
+| 2018-02-01  | v1.0.38 | Link function of the provided service will only be called once to prevent memory leaks |
 | 2016-07-11  | v0.0.27 | Service can now provide min/max/step values and template values override service values |
 | 2016-06-14  | v0.0.22 | Published via NPM (in addition to bower) |
 | 2016-05-17  | v0.0.14 | Directive element now listens to new number-input$update-model event |

angular-number-input.js

@@ -169,6 +169,7 @@
                 var formatter;
                 var service;
                 var serviceState = {};
+                var linkCalled = false;
 
                 /**
                  * Sets the config for the service in case of any config change.
@@ -223,8 +224,9 @@
                  * @private
                  */
                 var initFunctionsFromService = function () {
-                    if (service.link) {
+                    if (service.link && !linkCalled) {
                         service.link(scope, element, attrs, ngModelCtrl);
+                        linkCalled = true;
                     }
 
                     if ((!validation) && service.validate) {

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-number-input",
-  "version": "1.0.37",
+  "version": "1.0.38",
   "description": "AngularJS number input directive.",
   "authors": [
     "Sagie Gur-Ari <[email protected]>"

docs/CHANGELOG.md

@@ -1,6 +1,6 @@
 | Date        | Version | Description |
 | ----------- | ------- | ----------- |
-| 2017-11-07  | v1.0.37 | Maintenance |
+| 2018-02-01  | v1.0.38 | Link function of the provided service will only be called once to prevent memory leaks |
 | 2016-07-11  | v0.0.27 | Service can now provide min/max/step values and template values override service values |
 | 2016-06-14  | v0.0.22 | Published via NPM (in addition to bower) |
 | 2016-05-17  | v0.0.14 | Directive element now listens to new number-input$update-model event |

package.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-number-input",
-  "version": "1.0.37",
+  "version": "1.0.38",
   "description": "AngularJS number input directive.",
   "author": {
     "name": "Sagie Gur-Ari",