add srcdoc polyfill to static

This commit is contained in:
catarak 2016-07-11 17:00:30 -04:00
parent 960701942a
commit 7b8561a55c
3 changed files with 83 additions and 1 deletions

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@ -1,7 +1,6 @@
import React, { PropTypes } from 'react';
import ReactDOM from 'react-dom';
import escapeStringRegexp from 'escape-string-regexp';
import 'srcdoc-polyfill';
// sandbox="allow-scripts allow-pointer-lock allow-same-origin allow-popups allow-modals allow-forms"

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@ -9,5 +9,6 @@
<div id="root" class="root-app">
</div>
<script src="/dist/bundle.js"></script>
<script src="/srcdoc-polyfill.js"></script>
</body>
</html>

82
static/srcdoc-polyfill.js Normal file
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@ -0,0 +1,82 @@
(function(root, factory) {
// `root` does not resolve to the global window object in a Browserified
// bundle, so a direct reference to that object is used instead.
var _srcDoc = window.srcDoc;
if (typeof define === "function" && define.amd) {
define(['exports'], function(exports) {
factory(exports, _srcDoc);
root.srcDoc = exports;
});
} else if (typeof exports === "object") {
factory(exports, _srcDoc);
} else {
root.srcDoc = {};
factory(root.srcDoc, _srcDoc);
}
})(this, function(exports, _srcDoc) {
var idx, iframes;
var isCompliant = !!("srcdoc" in document.createElement("iframe"));
var implementations = {
compliant: function( iframe, content ) {
if (content) {
iframe.setAttribute("srcdoc", content);
}
},
legacy: function( iframe, content ) {
var jsUrl;
if (!iframe || !iframe.getAttribute) {
return;
}
if (!content) {
content = iframe.getAttribute("srcdoc");
} else {
iframe.setAttribute("srcdoc", content);
}
if (content) {
// The value returned by a script-targeted URL will be used as
// the iFrame's content. Create such a URL which returns the
// iFrame element's `srcdoc` attribute.
jsUrl = "javascript: window.frameElement.getAttribute('srcdoc');";
iframe.setAttribute("src", jsUrl);
// Explicitly set the iFrame's window.location for
// compatability with IE9, which does not react to changes in
// the `src` attribute when it is a `javascript:` URL, for
// some reason
if (iframe.contentWindow) {
iframe.contentWindow.location = jsUrl;
}
}
}
};
var srcDoc = exports;
// Assume the best
srcDoc.set = implementations.compliant;
srcDoc.noConflict = function() {
window.srcDoc = _srcDoc;
return srcDoc;
};
// If the browser supports srcdoc, no shimming is necessary
if (isCompliant) {
return;
}
srcDoc.set = implementations.legacy;
// Automatically shim any iframes already present in the document
iframes = document.getElementsByTagName("iframe");
idx = iframes.length;
while (idx--) {
srcDoc.set( iframes[idx] );
}
});