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47 lines
1021 B
47 lines
1021 B
// 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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