i was curious if it's possible to inject an value into a directives' close scope. I could't find anything related in the angularjs documentation so I tried something. Does anybody know if there is an more elegant way to solve this?
My approach so far:
app.directive('injectIntoScopeDirective', function(){
return {
restrict: 'E',
scope: {},
templateUrl: 'inject.tpl.html',
link: function(scope, elem, attrs){
angular.forEach(attrs, function(val, attr){
// variables which should be injected must be prefixed with the inject keyword
var match = attr.match(/^inject(.*)/);
if( match !== null && match.length > 1 ){
scope['injected' + match[1].toLowerCase()] = val
}
});
}
}
});
Here is a working plunk
A new approach using the bindToController property. Much cleaner.
app.directive('injectIntoScopeDirective', function(){
return {
restrict: 'E',
scope: {},
controller: function(){
},
bindToController: {
inject: '=' // allows us to bind an object to the directive controller
},
controllerAs: 'injectCtrl',
templateUrl: 'inject.tpl.html'
// no linking function needed
}
});
Updated plunk using bindToController property
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