如何在Polymer Project中加载Facebook Javascript sdk? [英] How to load Facebook Javascript sdk in Polymer Project?
问题描述
我知道那里有一个名为facebook-login
的Web组件,我不想因为简单的事情而安装...
I know there is a web component out there called facebook-login
and I don't want to install for the simple matter...
我尝试在Web组件中添加Facebook Javascript SDK.在就绪呼叫中,我添加了基本的javascript sdk.
I tried adding Facebook Javascript SDK in web component. In the ready call I added basic javascript sdk.
ready() {
window.fbAsyncInit = function() {
FB.init({
appId : 'your-app-id',
autoLogAppEvents : true,
xfbml : true,
version : 'v2.10'
});
FB.AppEvents.logPageView();
};
(function(d, s, id){
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) {return;}
js = d.createElement(s); js.id = id;
js.src = "//connect.facebook.net/en_US/sdk.js";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
}
然后在我中,我尝试添加此div但没有运气.
And then in my I tried adding this div but no luck.
<div class="fb-login-button" data-max-rows="1" data-size="large" data-button-type="continue_with" data-show-faces="false" data-auto-logout-link="false" data-use-continue-as="false"></div>'
请为我指明正确的方向.
Please point me to the right direction.
已更新:landing-app.html
Updated: landing-app.html
<link rel="import" href="../../bower_components/polymer/polymer-element.html">
<link rel="import" type="" href="../../bower_components/app-layout/app-toolbar/app-toolbar.html">
<link rel="import" type="" href="../../bower_components/paper-icon-button/paper-icon-button.html">
<link rel="import" href="../../bower_components/iron-icons/iron-icons.html">
<link rel="import" href="../../bower_components/paper-button/paper-button.html">
<dom-module id="landing-app">
<template>
<style>
:host {
display: block;
}
</style>
<!-- Navigation using App Toolbar -->
<app-toolbar>
<div class="toolbar-container">
<div main-title>***</div>
</div>
</app-toolbar>
<section>
<p>Super Charged Bot</p>
<h2>Helps pages to sell items through Messenger.</h2>
<div class="fb-login-button" data-max-rows="1" data-size="large" data-button-type="continue_with" data-show-faces="false" data-auto-logout-link="false" data-use-continue-as="false"></div>
</section>
</template>
<script>
/**
* @customElement
* @polymer
*/
class LandingApp extends Polymer.Element {
static get is() { return 'landing-app'; }
static get properties() {
return {
route: {
prefix: '',
path: ''
}
};
}
ready() {
window.fbAsyncInit = function() {
FB.init({
appId : 'your-app-id',
autoLogAppEvents : true,
xfbml : true,
version : 'v2.10'
});
FB.AppEvents.logPageView();
};
(function(d, s, id){
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) {return;}
js = d.createElement(s); js.id = id;
js.src = "//connect.facebook.net/en_US/sdk.js";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
}
}
window.customElements.define(LandingApp.is, LandingApp);
</script>
</dom-module>
推荐答案
注释
(一个很好的认识)
您已经复制到ready函数的facebook SDK加法器实际上创建了一个脚本标签,其中src指向connect.fb.com
作为文档上的第一个脚本标签.
您不会将其范围限制在要编写的组件上.
note
( Just a good to know)
The facebook SDK adder that you have copied over to the ready function, essentially creates a script tag with the src pointing to connect.fb.com
as the very first script tag on the document.
you are not scoping it to the component your are writing.
- 在何处添加了
<div>
?
在影子DOM内? -如果是这样,则javascript可以否访问您的div
Inside the shadow DOM? - If so, the javascript has NO access to your div
尝试在元素的阴影DOM中创建<slot>
Try creating a <slot>
inside your element's shadow DOM
类似的东西:
<dom-module id="my-app">
<template>
<!-- your element's shadow DOM -->
<slot name="fb-like-frame" ></slot>
</template>
</dom-module>
然后,在您连接您的元素的页面上, 只需写
then, on the page where you are connecting your element, just write
<my-app>
<div slot="fb-like-frame" >
<!--Insert your div here-->
</div>
</my-app>
柱塞
我创建了一个小插件.我使用了自己的代码.除了,
Plunker
I have created a plunk .I have used your own code. Except,
- 使用插槽.
- 虚拟应用程序ID
同时查看index.html和landing-app.html
Look at both index.html and landing-app.html
在左侧的导航栏中.
-
您使用
<slots>
进行编码了吗?
您是在ready()
内部呼叫super.ready()
吗?
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