Access form during component initialization in angularjs -


i have component following :

 .component('mylink', {                 bindings: {                     linkentity: '=',                     constraints: '=?',                     fieldname: '@',                     standalone: '@',                     adherence: '@',                     searchminlength: '<',                     searchhandler: '&',                     viewitemhandler: '&',                     onselectitemhandler: '&',                     hiddenfields: '@',                     formname: '@',                     date: '<?',                     constraintsjson: '@'                 },                 require: {                     parent: '?^form'                 },                 templateurl: 'my-link-component.html',                 controller: 'mylinkcontroller',                 controlleras: 'slink'         });

the template url :

<ng-form name="{{slink.linkformname}}">     <fieldset class="link-fieldset">         <legend>             <md-icon>link</md-icon>         </legend>         <div layout="row" flex ng-if="slink.isformloaded">             <md-button print-remove ng-if="!slink.constraints.readonly" ng-click="slink.querysearch(' ')" class="md-icon-button md-primary">                 <md-icon aria-label="tout voir">view_headline</md-icon>                 <md-tooltip md-direction="right">afficher toute la liste de : {{slink.uiname | lowercase}}</md-tooltip>             </md-button>             <md-autocomplete flex ng-disabled="slink.constraints.readonly" md-selected-item="slink.selecteditem" md-search-text="slink.searchtext" md-selected-item-change="slink.changeitem(item)" md-items="item in slink.querysearch(slink.searchtext)" md-min-length="1" md-no-cache="slink.nocache" md-select-on-match=true md-autoselect=true md-item-text="slink.itemtotext(item)" md-input-name="{{slink.property}}" md-input-id="simple-link-component-{{slink.property}}-{{slink.autoid}}-input" md-floating-label="{{slink.floatinglabel}}" md-select-on-focus style="background: none;">                 <md-item-template>                     <span md-highlight-text="slink.searchtext === ' ' ? slink.itemtotext(slink.selecteditemstore) : slink.searchtext" md-highlight-flags="^i">                     {{item.domainobjectdescription}}                 </span>                 </md-item-template>                  <md-not-found>                     <div style="width: 100%;">{{slink.notfoundmsg}}                     </div>                 </md-not-found>                  <div ng-messages="slink.errormessage" ng-if="!slink.constraints.readonly">                     <div ng-messages-include='messages/messages.html'></div>                 </div>             </md-autocomplete>             <md-button print-remove ng-if="slink.standalone !== 'list' && !slink.constraints.readonly" ng-disabled="!slink.selecteditem" class="md-icon-button md-primary" ng-click="slink.viewitem()">                 <md-icon aria-label="voir le détail">visibility</md-icon>                 <md-tooltip md-direction="left">voir le détail de : {{slink.uiname | lowercase}}</md-tooltip>             </md-button>         </div>     </fieldset> </ng-form>

in controller i'm trying access form following :

function oninitcomponent() {    //...    console.log($scope[slink.linkformname]);    //... }

but undefined.

in other hand, changeitem function, triggers after made change on component it's defined.

how can access form when initilize component ?

as discussed in this thread can use $postlink() lifecycle hook access form in components controller, since called after controller's element , children have been linked can sure form initialized. see example below:

(function (angular) {    'use strict';    angular.module('myapp', [])    .controller('myctrl', ['$scope', function myctrl($scope) {        this.id = 1;    }]);  })(angular);    (function (window, angular) {    'use strict';    var mylink = {        bindings: {          id: '<',          linkformname: '@'        },        templateurl: 'my-link-component.tmpl.html',        controller: 'mylinkcontroller',        controlleras: 'slink'    };      angular.module('myapp')    .component('mylink', mylink);  })(window, angular);    (function (angular) {    'use strict';      angular        .module('myapp')        .controller('mylinkcontroller', mylinkcontroller);      mylinkcontroller.$inject = ['$scope'];      function mylinkcontroller($scope) {      var slink = this;        //component lifecycle hooks      slink.$oninit = oninit;      slink.$postlink = postlink;        function oninit() {        console.log('oninit: ', $scope[slink.linkformname]);      }        function postlink() {        console.log('postlink: ',$scope[slink.linkformname]);      }     }  })(angular);
<script src="//code.angularjs.org/1.6.2/angular.js"></script>  <div ng-app="myapp">    <div ng-controller="myctrl myctrl">          <my-link id="myctrl.id" link-form-name='mylinkform'></my-link>     </div>     <script type="text/ng-template" id="my-link-component.tmpl.html">      <ng-form name="{{slink.linkformname}}">          <fieldset class="link-fieldset">              <legend>                  <md-icon>link</md-icon>              </legend>          </fieldset>      </ng-form>    </script>   </div>


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