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/**
* @file url.js
* @module url
*/
import document from 'global/document';
import window from 'global/window';
/**
* Resolve and parse the elements of a URL.
*
* @function
* @param {string} url
* The url to parse
*
* @return {URL}
* An object of url details
*/
export const parseUrl = function(url) {
return new URL(url, document.baseURI);
};
/**
* Get absolute version of relative URL.
*
* @function
* @param {string} url
* URL to make absolute
*
* @return {string}
* Absolute URL
*/
export const getAbsoluteURL = function(url) {
return (new URL(url, document.baseURI)).href;
};
/**
* Returns the extension of the passed file name. It will return an empty string
* if passed an invalid path.
*
* @function
* @param {string} path
* The fileName path like '/path/to/file.mp4'
*
* @return {string}
* The extension in lower case or an empty string if no
* extension could be found.
*/
export const getFileExtension = function(path) {
if (typeof path === 'string') {
const cleanPath = path.split('?')[0].replace(/\/+$/, '');
const match = cleanPath.match(/\.([^.\/]+)$/);
return match ? match[1].toLowerCase() : '';
}
return '';
};
/**
* Returns whether the url passed is a cross domain request or not.
*
* @function
* @param {string} url
* The url to check.
*
* @param {URL} [winLoc]
* the domain to check the url against, defaults to window.location
*
* @return {boolean}
* Whether it is a cross domain request or not.
*/
export const isCrossOrigin = function(url, winLoc = window.location) {
return parseUrl(url).origin !== winLoc.origin;
};
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