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import {isRepoRoot} from 'github-url-detection';
import getCurrentGitRef from './get-current-git-ref.js';
export default class GitHubURL {
user = '';
repository = '';
route = '';
branch = '';
filePath = '';
private readonly internalUrl: URL;
constructor(url: string) {
// Use Facade pattern instead of inheritance #3193
this.internalUrl = new URL(url);
this.pathname = this.internalUrl.pathname;
}
toString(): string {
return this.href;
}
assign(...replacements: Array<Partial<GitHubURL>>): this {
Object.assign(this, ...replacements);
return this;
}
// Handle branch names containing multiple slashes #4492
private disambiguateReference(
ambiguousReference: string[],
): {branch: string; filePath: string} {
const branch = ambiguousReference[0];
// History pages might use search parameters
const filePathFromSearch = this.searchParams.getAll('path[]').join('/');
if (filePathFromSearch) {
this.searchParams.delete('path[]');
return {branch, filePath: filePathFromSearch};
}
const filePath = ambiguousReference.slice(1).join('/');
// TODO: `getCurrentGitRef` uses global state https://github.com/refined-github/refined-github/issues/6637
const currentBranch = getCurrentGitRef();
const currentBranchSections = currentBranch?.split('/');
if (
!currentBranch // Current branch could not be determined (1/2)
|| !currentBranchSections // Current branch could not be determined (2/2)
|| ambiguousReference.length === 1 // Ref has no slashes
|| currentBranchSections.length === 1 // Current branch has no slashes
) {
// Then the reference is not ambiguous
return {branch, filePath};
}
for (const [i, section] of currentBranchSections.entries()) {
if (ambiguousReference[i] !== section) {
console.warn(`The supplied path (${ambiguousReference.join('/')}) is ambiguous (current reference is \`${currentBranch}\`)`);
return {branch, filePath};
}
}
return {
branch: currentBranch,
filePath: ambiguousReference.slice(currentBranchSections.length).join('/'),
};
}
get pathname(): string {
return `/${this.user}/${this.repository}/${this.route}/${this.branch}/${this.filePath}`.replaceAll(/((undefined)?\/)+$/g, '');
}
set pathname(pathname: string) {
const [user, repository, route, ...ambiguousReference] = pathname.replaceAll(/^\/|\/$/g, '').split('/');
// TODO: `isRepoRoot` uses global state https://github.com/refined-github/refined-github/issues/6637
if (isRepoRoot() || (ambiguousReference.length === 2 && ambiguousReference[1].includes('%2F'))) {
const branch = ambiguousReference.join('/').replaceAll('%2F', '/');
this.assign({user, repository, route, branch, filePath: ''});
return;
}
const {branch, filePath} = this.disambiguateReference(ambiguousReference);
this.assign({user, repository, route, branch, filePath});
}
get href(): string {
// Update the actual underlying URL
this.internalUrl.pathname = this.pathname;
return this.internalUrl.href;
}
set href(href: string) {
this.internalUrl.href = href;
}
// Proxy all other getters/setters to internalUrl
get hash(): string {
return this.internalUrl.hash;
}
set hash(hash: string) {
this.internalUrl.hash = hash;
}
get search(): string {
return this.internalUrl.search;
}
set search(search: string) {
this.internalUrl.search = search;
}
get searchParams(): URLSearchParams {
return this.internalUrl.searchParams;
}
}
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