I have an "embed" field used by my users for transform a simple link to a rich content link (link with image, title, description, etc.).
Example:
Note: I use this library to get all link information: oscarotero/Embed
As you can see, when you provide an url (a twitter tweet by example), the "code" parameter contain the HTML and script tags to include on my frontend:
<blockquote class="twitter-tweet"><p lang="en" dir="ltr">I am so hopelessly in love with #ChucklefishLTD ‘s spooky logo pic.twitter.com/2KtjCNOOUl</p>— Tom Slayed 🔪😱 (#TomJamesSlade) October 12, 2020</blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
The problem is with VueJs and the script tag. When my ajax call is OK, I store all embed informations like that:
this.preview = response.embed
And inside my component, I display the html code with the "v-html" VueJs directive
<div v-if="preview['code']" v-html="preview['code']"></div>
The html is displayed :
The script tag is visible inside the code inspector :
But the script is not loaded :
I have the same problem with all oembed url who provide a javascript tag inside the response.
Note: If I try to load the script directly inside the component, VueJs return this error:
VueCompilerError: Tags with side effect ( and ) are ignored in client component templates
A solution on google is to use the "mounted" event, but it's not compatible with my context.
Because the script I have to load is received from an api and can be different each time depending of the link.
it's bit late but here is an option: The api gives you the possibility to not send the script tag, so you can include it on your own in the html before. Add to the url a omit_script=true and it's gone in the result.
Then you can insert the twitter block. Maybe you have to call twttr.widgets.load() to initialize the tweet.
Edit: Since you're using the plugin, this should be working
$embed = new Embed();
$result = $embed->get('https://www.instagram.com/p/B_C0wheCa4V/');
$result->setSettings([
'oembed:query_parameters' => ['omit_script' => true]
]);
$oembed = $info->getOEmbed();
Related
Question: Embeding google maps in web page outputs Error message - Expected mapDiv of type Element but was passed null
Answer: It is very simple. The Js code InitMap function requires to be code below to the HTML div tag. InitMap function needs the div to generate map first when the page load and there the hierarchy should look like HTML code above then JS code related to geolocation API.
HTML code above then JS code
If using async, the script loading google maps should be below necessary HTML in <body>. If defer, it can be in <head>.
If neither async or defer, it must be after the necessary elements in <body>.
For more information, refer to https://developers.google.com/maps/documentation/javascript/overview#Loading_the_Maps_API.
I'm making an app using VueJS and Framework7, and I'm having trouble understanding how to apply dynamic route matching to my app.
My app has two pages, main view and info page. On the main page, there is a list of links that all lead to the info page. However, the links are generated from API data, and I wish to do the same on the info page. What I'm trying to do is pass the id parameter from the API data into the link address, so that it's stored in there even while I load the same info page template. Using that id, I'd like to identify which data to print on the info page from the API data.
Here is my link element:
<f7-list-item v-for="lowerBoss in lowerBosses" :key="lowerBoss.id" :data="lowerBoss" class="single-boss subheading white" link="/boss/lowerBoss.id" onclick="console.log(lowerBoss)">
{{ lowerBoss.name }}
</f7-list-item>
So here I am trying to pass the id from the lowerBoss object into the link address and key. I tried to console.log the object as well, but whenever I click on this link, I get an error saying lowerBoss is not defined.
I am aware that I should most likely be using router-link for this, but I had trouble getting that to work - the links would not work wherever they led. Besides that, I had the same issue with them too.
The answer above is right. You have to remmeber, that every property that written as usual <component link="some-link/object.id"></component> will not be parsed, but will be passed as string. So you have to use :link="'/bla/bla/'+object.id".
lowerBoss will be available inside f7 component as "data", because of :data="lowerBoss" this part of your tag.
Check this Vue.js Passing Static or Dynamic Props
To handle events you have to use vue.js directives Event handling
Try as below
<f7-list-item v-for="lowerBoss in lowerBosses" :key="lowerBoss.id" :data="lowerBoss" class="single-boss subheading white" :link="'/boss/'+lowerBoss.id">
{{ lowerBoss.name }}
</f7-list-item>
I'm trying to understand the usage and limitations of server side rendering with vuejs when using aspnet core.
I used this starter kit for aspnet core and vuejs to setup a simple vue site, which is running based on the code here: https://github.com/selaromdotnet/aspnet-vue-ssr-test/tree/master
I then modified the project to update the aspnet-prerendering and added vue-server-renderer, compiling a hodgepodge of sources to cobble together this update: https://github.com/selaromdotnet/aspnet-vue-ssr-test/tree/ssr
If I run this project, the site appears to load fine, and if I turn off the javascript in the browser, I can see that it does appear that the server-side rendering executed and populated the html result:
however, because JavaScript is disabled, the content isn't moved into the dom as it looks like it is trying to...
My understanding of server-side rendering is that it would populate the html entirely and serve a completed page to the user, so that even if JS was disabled, they'd at least be able to see the page (specifically for SEO purposes). Am I incorrect?
Now I believe modern search engines will execute simple scripts like this to get the content, but I still don't want a blank page rendered if js is disabled...
Is this a limitation of server-side rendering, or perhaps specifically ssr with vue and/or aspnet core?
or am I just missing a step somewhere?
Edit: more information
I looked at the source code for what I believe is the method that prerenders the section here: https://github.com/aspnet/JavaScriptServices/blob/dev/src/Microsoft.AspNetCore.SpaServices/Prerendering/PrerenderTagHelper.cs
The line
output.Content.SetHtmlContent(result.Html);
has a null value for result.Html. However, when I manually edit this value to put a test value, it also doesn't render to the output html, and the app div tag is still empty...
If I'm doing something wrong to populate the result.Html value with the expected output, that's one thing, and I would appreciate some help in doing that, especially since the output html appears to be found, since it's in the script that immediately follows...
However, even if I were to populate it, it appears it's being skipped, as evidenced by me manually changing the value. is this a bug in the code or am I doing somethigng wrong, or perhaps both?
As you correctly noticed, for your project, result.Html inside the tag helper is null. So that line cannot be the location where the output is being generated. Since the HTML output from your prerendering script also does not include a script tag, it is clear that something has to generate that. The only other line that could possible do this is the following from the PrerenderTagHelper:
output.PostElement.SetHtmlContent($"<script>{globalsScript}</script>");
That would fit the observed output, so we should figure out where the globalsScript comes from.
If you look at the PrerenderTagHelper implementation, you can see that it will call Prerenderer.RenderToString which returns a RenderToStringResult. This result object is deserialized from JSON after calling your Node script.
So there are two properties of interest here: Html, and Globals. The former is responsible for containing the HTML output that finally gets rendered inside the tag helper. The latter is a JSON object containing additional global variables that should be set for the client side. These are what will be rendered inside that script tag.
If you look at the rendered HTML from your project, you can see that there are two globals: window.html and window.__INITIAL_STATE__. So these two are set somewhere in your code, although html shouldn’t be a global.
The culprit is the renderOnServer.js file:
vue_renderer.renderToString(context, (err, _html) => {
if (err) { reject(err.message) }
resolve({
globals: {
html: _html,
__INITIAL_STATE__: context.state
}
})
})
As you can see, this will resolve the result containing just a globals object with both html and __INITIAL_STATE__ properties. That’s what gets rendered inside of the script tag.
But what you want to do instead is have html not as part of globals but on the layer above, so that it gets deserialized into the RenderToStringResult.Html property:
resolve({
html: _html,
globals: {
__INITIAL_STATE__: context.state
}
})
If you do it like that, your project will properly perform server-side rendering, without requiring JavaScript for the initial view.
I am trying to use a kendo MVC helper inside a template (remote template file loaded like: http://docs.kendoui.com/howto/load-templates-external-files#remote-templates. I have a controller that sends to the client the generated markup)
My template file is something like:
<script id="my-pager-template" type="text/x-kendo-template">
My pager
#(Html.Kendo().ListView<Business.Data.MyPage>()
.Name("myPagerListView")
.TagName("div")
.ClientTemplateId("my-pager-item-template")
.DataSource(dataSource => dataSource.Read(read =>
read.Action("GetMyPages","Page")
)
).ToClientTemplate())
</script>
<script id="my-pager-item-template" type="text/x-kendo-template" >
<div class="k-button" data-pager-item-pageid="${PageID}" data-pager-item-pagename="${Name}">
<span>${ButtonText}</span>
</div>
</script>
But the generated markup is giving me an Uncaught SyntaxError: Unexpected token < in my browser console (chrome).
The markup generated by the helper is like this:
<div id="myPagerListView"></div>
<script>
jQuery(function(){jQuery("\#myPagerListView").kendoListView({"dataSource":{"transport":{"prefix":"","read":{"url":"/Page/GetMyPages"}},"serverPaging":true,"serverSorting":true,"serverFiltering":true,"serverGrouping":true,"serverAggregates":true,"type":"aspnetmvc-ajax","filter":[],"schema":{"data":"Data","total":"Total","errors":"Errors","model":{"fields":{"PageID":{"type":"number"},"Name":{"type":"string"},"ButtonText":{"type":"string"}}}}},"template":kendo.template($('\#my-pager-item-template').html())});});
<\/script>
</script>
Can I use kendo helpers this way?
(In this post, it says that it can be used: Can I use Kendo MVC helpers inside templates?)
I got that message a lot of times, your code is fine, the problem comes retrieving the data, kendo deserialize what it recieves from read.Action("GetMyPages","Page"), you probably are retrieving an HTML page instead of a json, so it tries to serialize something like "<html ...." and here you got the error, just check the url on chrome to check if you recive an json
i mean check http://yourdomain.com/Pages/GetPages/ (or the routing according to your app), you probably get an HTML page
I had this exact issue also. I have come to realise (over the past 3 hours :( ) that this is because I was using ajax then the jquery html function to load the template file and that the error was happening with in jquery's function as it tried to parse than execute the template file which has been mangled for an unknown reason by kendo. (escaping that script tag and in my case inserting buttons in that space). Fortunatly when kendo Its self tries to use the template it does work.
To get around this problem I rendered the partial view directly on the page.
Hope this helps.
I have a page containing 2 controllers: one which manages a list of so-called 'apps', and another that is to place the new Angular template into the innerHTML of its Div element.
<div ng-controller="appList"></div>
<div ng-controller="appPane"> Dynamic content should be loaded here! </div>
I have tried using the standard {{expression}} bindings, but they do not work with html, I have also tried the ng-bind-html-unsafe directive (Binding the innerhtml to that of the App request's return) but controllers are not executed within this new code.
The problem seems to be that by using a Binding, Angular is not re-parsing the contents of the html in question to use it as an angular app. Any ideas of how to get it to parse dynamic content?
It appears that the $compile service, when fed the elements you wish to recompile along with your current scope, does what I was looking for.
Example from my source:
var appPane = $('#AppPane');//JQuery request for the app pane element.
appPane.html(data);//The dynamically loaded data
$compile(appPane.contents())($scope);//Tells Angular to recompile the contents of the app pane.
This should help anyone experiencing my problem, I hope.
Look at $routes and ngView in angularjs.
Here's a very basic example:
http://jsfiddle.net/pXpja/3/
Take a look at the uiRouter module (from the AngularUI project). It adds the concept of states, which are pretty similar to routes, but with other goodies, such as the ability to nest them. For example:
$stateProvider
.state('myState', {
url: '/mystate',
templateUrl: '...',
controller: 'MyCtrl'
})
.state('myState.substate', {
url: '/{substate}',
templateUrl: '...',
controller: 'MySubCtrl'
});
MySubCtrl will be activated whenever you go to /mystate/something and you can use that "something" as a parameter (see $stateParams). You can nest states to any amount of levels.