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48 lines
1.0 KiB
48 lines
1.0 KiB
4 years ago
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// Copyright 2014 Simon Lydell
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// X11 (“MIT”) Licensed. (See LICENSE.)
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void (function(root, factory) {
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if (typeof define === "function" && define.amd) {
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define(factory)
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} else if (typeof exports === "object") {
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module.exports = factory()
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} else {
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root.resolveUrl = factory()
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}
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}(this, function() {
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function resolveUrl(/* ...urls */) {
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var numUrls = arguments.length
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if (numUrls === 0) {
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throw new Error("resolveUrl requires at least one argument; got none.")
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}
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var base = document.createElement("base")
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base.href = arguments[0]
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if (numUrls === 1) {
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return base.href
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}
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var head = document.getElementsByTagName("head")[0]
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head.insertBefore(base, head.firstChild)
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var a = document.createElement("a")
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var resolved
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for (var index = 1; index < numUrls; index++) {
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a.href = arguments[index]
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resolved = a.href
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base.href = resolved
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}
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head.removeChild(base)
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return resolved
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}
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return resolveUrl
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}));
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