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import { joinPaths } from '~/lib/utils/url_utility';
/**
* Matches the namespace and target directory/blob in a path
* Example: /root/Flight/-/blob/fix/main/test/spec/utils_spec.js
* Group 1: /-/blob
* Group 2: blob
* Group 3: /test/spec/utils_spec.js
*/
const getNamespaceTargetRegex = (ref) => new RegExp(`(/-/(blob|tree))/${ref}/(.*)`);
/**
* Generates a ref destination path based on the selected ref and current path.
* A user could either be in the project root, a directory on the blob view.
* @param {string} projectRootPath - The root path for a project.
* @param {string} selectedRef - The selected ref from the ref dropdown.
*/
export function generateRefDestinationPath(projectRootPath, ref, selectedRef) {
const url = new URL(window.location.href);
const currentPath = url.pathname;
let refType = null;
let namespace = '/-/tree';
let target;
let actualRef = selectedRef;
const matches = selectedRef.match(/^refs\/(heads|tags)\/(.+)/);
if (matches) {
[, refType, actualRef] = matches;
}
if (refType) {
url.searchParams.set('ref_type', refType);
} else {
url.searchParams.delete('ref_type');
}
const NAMESPACE_TARGET_REGEX = getNamespaceTargetRegex(ref);
const match = NAMESPACE_TARGET_REGEX.exec(currentPath);
if (match) {
[, namespace, , target] = match;
}
url.pathname = joinPaths(projectRootPath, namespace, actualRef, target);
return url.toString();
}
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