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Directive relies on template to work


Directive relies on template to work

By : user2954182
Date : November 22 2020, 01:01 AM
around this issue I'm trying to use Angular in a more web-component style. So I have created an http-request directive that has a url and a response attribute. It works quite well but my directive is reliant on a template and I would like to remove that as it is hacky and the directive doesn't need a template. Here is my code , Update your directive to the following:
code :
myApp.directive('httpRequest', ['$http', function ($http) {
    return {
        restrict: 'E',
        replace: true,
        scope: {
            response: '='
        },
        link: function (scope, element, attributes) {
            //create response object if it doesn't exist
            scope.response = scope.response || {};
            $http.get(attributes.url)
                .then(function (response) {
                //write to items property of response object
                scope.response.items = response.data;
            });
        }
    }
}]);
<http-request url="http://jsonplaceholder.typicode.com/posts" response="response">
</http-request>
<ul>
    <li ng-repeat="item in response.items">{{ item.id }}</li>
</ul>
myApp.directive('httpRequest', ['$http', '$parse', function ($http, $parse) {
    return {
        restrict: 'E',
        replace: true,
        link: function (scope, element, attributes) {
            //use $parse to assign this value to scope
            var responseSetter = $parse(attributes.response).assign;
            $http.get(attributes.url)
                .then(function (response) {
                //call the "setter" against scope with the data
                responseSetter(scope, response.data);
            });
        }
    }
}]);


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AngularJS directive communication and page template - inner directive doesn't work

AngularJS directive communication and page template - inner directive doesn't work


By : Zhao Lei
Date : March 29 2020, 07:55 AM
will be helpful for those in need If you provide a template, it will replace the content of (the replace option only controls whether the tag is replaced as well).
Because of that, the directive is no longer linked. If you want to provide a template while still linking the inner tag. You need to use a transclusion:
code :
app.directive("outer", function() {
    return {
        template: "<div>This is outer message <div ng-transclude></div></div>",
        restrict: "E",
        replace: false,
        transclude: true,
        controller: function() {
            this.say = function(message) {
                console.log(message);
            }
        }
    }
});
AngularJS: directive(template) does not work in tags?

AngularJS: directive(template) does not work in tags?


By : Paritosh Arya
Date : March 29 2020, 07:55 AM
may help you . Use the ngChecked directive instead of doing it that way (http://docs.angularjs.org/api/ng.directive:ngChecked). They have a master/slave checkbox example on there too
custom directive within ng-template does not work

custom directive within ng-template does not work


By : hujackus
Date : March 29 2020, 07:55 AM
I hope this helps you . Hi please see here http://plnkr.co/edit/Zvhu4OMDqpHFOgTCg5bU?p=preview
If name of your directive is 'myDirective' in HTML you should use
How to specialise template method with type that itself is a template where only the return type relies on the template

How to specialise template method with type that itself is a template where only the return type relies on the template


By : mandeep singh
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You can only partially specialize classes (structs) (cppreference) - so the way to overcome your problems is to add helper struct to allow this partial specialization of std::vector - e.g. this way:
code :
class Foo
{
private: // might be also protected or public, depending on your design
    template<typename T>
    struct GetImpl
    {
        T operator()()
        {
            std::cout << "generic" << std::endl;
            return T();
        }
    };
public:
    template<typename T>
    auto Get()
    {
        return GetImpl<T>{}();
    }
};
template<>
int Foo::GetImpl<int>::operator()()
{
    std::cout << "int" << std::endl;
    return 12;
}
template<typename T>
struct Foo::GetImpl<std::vector<T>>
{
    std::vector<T> operator()()
    {
        std::cout << "vector" << std::endl;
        return std::vector<T>();
    }
};
AngularJS template function in directive giving error 'Template for directive must have exactly one root element'

AngularJS template function in directive giving error 'Template for directive must have exactly one root element'


By : William Gehrke
Date : March 29 2020, 07:55 AM
Does that help This feature was introduced in a later version of angular 1.1.4. You'll have to upgrade or find a workaround as @saiyan mentioned.
Check this plunkr - plnkr.co/edit/QVdE3xdn3hmcoQ33gj2R?p=preview
code :
<!DOCTYPE html>
<html ng-app="myapp">

   <head>

    <!-- CHANGE THE ANGULAR VERSION HERE  -->
    <script src="https://code.angularjs.org/1.0.4/angular.js"></script>

    <script src="app.js"></script>
  </head> 

  <body >
    <div something></div>
  </body>

</html>
var app = angular.module('myapp', []);

app
    .directive("something", function () {
        return {
            template: function () {
                return "Hello World!";
            }
        }
    })
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