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Load WebComponent polyfill on header. (#9438)

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* Load WebComponent polyfill on header.
On Chrome 53, `document.registerElement` exists but `window.customElements` does not exist.
Fix for Tencent X5 browser on Android(Chrome 53 based).

* Move the block just before app panel loading.
Remove async for new script block.
This commit is contained in:
Boyi C 2017-09-17 04:00:54 +08:00 committed by Paulus Schoutsen
parent 308152f48c
commit e2866a1339
1 changed files with 12 additions and 14 deletions
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26
homeassistant/components/frontend/templates/index.html
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@ -92,6 +92,18 @@
{% if not dev_mode %}
<script src='/static/custom-elements-es5-adapter.js'></script>
{% endif %}
<script>
var webComponentsSupported = (
'customElements' in window &&
'import' in document.createElement('link') &&
'content' in document.createElement('template'));
if (!webComponentsSupported) {
var e = document.createElement('script');
e.onerror = initError;
e.src = '/static/webcomponents-lite.js';
document.head.appendChild(e);
}
</script>
<link rel='import' href='{{ ui_url }}' onerror='initError()'>
{% if panel_url -%}
<link rel='import' href='{{ panel_url }}' onerror='initError()' async>
@ -100,19 +112,5 @@
{% for extra_url in extra_urls -%}
<link rel='import' href='{{ extra_url }}' async>
{% endfor -%}
<script>
var webComponentsSupported = (
'registerElement' in document &&
'import' in document.createElement('link') &&
'content' in document.createElement('template'));
if (!webComponentsSupported) {
var e = document.createElement('script');
e.async = true;
e.onerror = initError;
e.src = '/static/webcomponents-lite.js';
document.head.appendChild(e);
}
</script>
</body>
</html>