Commit 7171391d by Tristan Cavelier Committed by Romain Courteaud

URL polyfill for IE.

1 parent 99929f72
(function (DOMParser) {
"use strict";
try {
if ((new window.URL("../a", "https://example.com/")).href === "https://example.com/a") {
return;
}
} catch (ignore) {}
var isAbsoluteOrDataURL = /^(?:[a-z]+:)?\/\/|data:/i;
function resolveUrl(url, base_url) {
var doc, base, link,
html = "<!doctype><html><head></head></html>";
if (url && base_url) {
doc = (new DOMParser()).parseFromString(html, 'text/html');
base = doc.createElement('base');
link = doc.createElement('link');
doc.head.appendChild(base);
doc.head.appendChild(link);
base.href = base_url;
link.href = url;
return link.href;
}
return url;
}
function URL(url, base) {
if (base !== undefined) {
if (!isAbsoluteOrDataURL.test(base)) {
throw new TypeError("Failed to construct 'URL': Invalid base URL");
}
url = resolveUrl(url, base);
}
if (!isAbsoluteOrDataURL.test(url)) {
throw new TypeError("Failed to construct 'URL': Invalid URL");
}
this.href = url;
}
URL.prototype.href = "";
if (window.URL && window.URL.createObjectURL) {
URL.createObjectURL = window.URL.createObjectURL;
}
if (window.URL && window.URL.revokeObjectURL) {
URL.revokeObjectURL = window.URL.revokeObjectURL;
}
window.URL = URL;
}(DOMParser));
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