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dart - Dart polymer 变压器到JS问题

转载 作者:行者123 更新时间:2023-12-03 03:19:00 25 4
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如何避免在css期间嵌入html文件以输出pub build (generate js)文件?可能吗?

注意:聚合物版本为0.10.0-pre.11
在建立酒吧之前:

<!DOCTYPE html>

<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Sample app</title>
<link rel="stylesheet" href="cc.css">
<link rel="import" href="packages/polymer/polymer.html">

<!-- import the click-counter -->
<link rel="import" href="clickcounter.html">
<script type="application/dart">export 'package:polymer/init.dart';</script>
<script src="packages/browser/dart.js"></script>

</head>
<body>
<h1>Cc</h1>

<p>Hello world from Dart!</p>

<div id="sample_container_id">
<click-counter count="5"></click-counter>
</div>

</body>
</html>

在发布后:

<!DOCTYPE html><html><head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Sample app</title>

<!-- import the click-counter -->

</head>
<body><style>body {
background-color: #F8F8F8;
font-family: 'Open Sans', sans-serif;
font-size: 14px;
font-weight: normal;
line-height: 1.2em;
margin: 15px;
}

h1, p {
color: #333;
}

#sample_container_id {
width: 100%;
height: 400px;
position: relative;
border: 1px solid #ccc;
background-color: #fff;
}
</style>

<!--
These two files are from the Polymer project:
https://github.com/Polymer/platform/ and https://github.com/Polymer/polymer/.

You can replace platform.js and polymer.html with different versions if desired.
-->
<!-- minified for deployment: -->

<!-- unminfied for debugging:
<script src="../../packages/web_components/platform.concat.js"></script>
<script src="src/js/polymer/polymer.concat.js"></script>
<link rel="import" href="src/js/polymer/polymer-body.html">
-->

<!-- Teach dart2js about Shadow DOM polyfill objects. -->
<!-- Bootstrap the user application in a new isolate. -->
<!-- TODO(sigmund): replace boot.js by boot.dart (dartbug.com/18007)
<script type="application/dart">export "package:polymer/boot.dart";</script>
-->
<script src="packages/polymer/src/js/use_native_dartium_shadowdom.js"></script>
<!--<script src="packages/web_components/platform.js"></script>
not necessary anymore with Polymer >= 0.14.0 -->
<!-- <link rel="import" href="../polymer-dev/polymer.html"> -->
<script src="packages/polymer/src/js/polymer/polymer.js"></script><polymer-element name="polymer-body" extends="body">

<script>

// upgrade polymer-body last so that it can contain other imported elements
document.addEventListener('polymer-ready', function() {

Polymer('polymer-body', Platform.mixin({

created: function() {
this.template = document.createElement('template');
var body = wrap(document).body;
var c$ = body.childNodes.array();
for (var i=0, c; (c=c$[i]); i++) {
if (c.localName !== 'script') {
this.template.content.appendChild(c);
}
}
// snarf up user defined model
window.model = this;
},

parseDeclaration: function(elementElement) {
this.lightFromTemplate(this.template);
}

}, window.model));

});

</script>

</polymer-element><script src="packages/web_components/dart_support.js"></script><script src="packages/polymer/boot.js"></script><polymer-element name="click-counter" attributes="count">
<template>
<style>
div {
font-size: 24pt;
text-align: center;
margin-top: 140px;
}
button {
font-size: 24pt;
margin-bottom: 20px;
}
</style>
<div>
<button on-click="{{increment}}">Click me</button><br>
<span>(click count: {{count}})</span>
</div>
</template>
<script type="application/dart" src="clickcounter.dart"></script>
</polymer-element>

<script type="application/dart" src="cc.html.0.dart"></script><script src="packages/browser/dart.js"></script>
<h1>Cc</h1>

<p>Hello world from Dart!</p>

<div id="sample_container_id">
<click-counter count="5"></click-counter>
</div>
</body></html>

如您所见,css文件已嵌入html。

最佳答案

解决此问题的方法是将每个元素添加到@import('mySTLe.css')
例如。

<my-element name="my-element">
<template>
<style>@import ('mystyle.css')</style>

...

</template>
<my-element>

感谢发明解决方案的John Messerly-请参阅此处的主题:
https://groups.google.com/a/dartlang.org/forum/?hl=en&fromgroups#!topic/web/8bjmkiRFhDk

关于dart - Dart polymer 变压器到JS问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23613886/

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