cesium/packages/engine/Source/Core/getBaseUri.js

48 lines
1.2 KiB
JavaScript

import Uri from "urijs";
import defined from "./defined.js";
import DeveloperError from "./DeveloperError.js";
/**
* Given a URI, returns the base path of the URI.
* @function
*
* @param {string} uri The Uri.
* @param {boolean} [includeQuery = false] Whether or not to include the query string and fragment form the uri
* @returns {string} The base path of the Uri.
*
* @example
* // basePath will be "/Gallery/";
* const basePath = Cesium.getBaseUri('/Gallery/simple.czml?value=true&example=false');
*
* // basePath will be "/Gallery/?value=true&example=false";
* const basePath = Cesium.getBaseUri('/Gallery/simple.czml?value=true&example=false', true);
*/
function getBaseUri(uri, includeQuery) {
//>>includeStart('debug', pragmas.debug);
if (!defined(uri)) {
throw new DeveloperError("uri is required.");
}
//>>includeEnd('debug');
let basePath = "";
const i = uri.lastIndexOf("/");
if (i !== -1) {
basePath = uri.substring(0, i + 1);
}
if (!includeQuery) {
return basePath;
}
uri = new Uri(uri);
if (uri.query().length !== 0) {
basePath += `?${uri.query()}`;
}
if (uri.fragment().length !== 0) {
basePath += `#${uri.fragment()}`;
}
return basePath;
}
export default getBaseUri;