import Uri from "../ThirdParty/Uri.js";
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import defined from "./defined.js";
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import DeveloperError from "./DeveloperError.js";
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/**
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* Given a URI, returns the extension of the URI.
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* @function getExtensionFromUri
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*
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* @param {String} uri The Uri.
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* @returns {String} The extension of the Uri.
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*
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* @example
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* //extension will be "czml";
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* var extension = Cesium.getExtensionFromUri('/Gallery/simple.czml?value=true&example=false');
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*/
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function getExtensionFromUri(uri) {
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//>>includeStart('debug', pragmas.debug);
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if (!defined(uri)) {
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throw new DeveloperError("uri is required.");
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}
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//>>includeEnd('debug');
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var uriObject = new Uri(uri);
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uriObject.normalize();
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var path = uriObject.path();
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var index = path.lastIndexOf("/");
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if (index !== -1) {
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path = path.substr(index + 1);
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}
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index = path.lastIndexOf(".");
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if (index === -1) {
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path = "";
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} else {
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path = path.substr(index + 1);
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}
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return path;
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}
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export default getExtensionFromUri;
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