Function parseReferenceRaw

source/github-helpers/pr-branches.ts:31–53

(absolute: string, relative: string)

@example parseReferenceRaw('fregante/mem:main', 'main')
*/
export function parseReferenceRaw(absolute: string, relative: string): PrReference {
	const absoluteMatch = absoluteReferenceRegex.exec(absolute);
	if (!absoluteMatch) {
		throw new TypeError(`Expected \`absolute\` to be "user/repo:branch", got "${absolute}"`);
	}

	const {owner, name, nameWithOwner, branch} = absoluteMatch.groups!;

	// We must receive the relative reference because it also tells whether it's a cross-repo PR
	const expectedRelative = [branch, `${owner}:${branch}`];
	if (!expectedRelative.includes(relative)) {
		throw new TypeError(`Expected \`relative\` to be either "${expectedRelative.join('" or "')}", got "${relative}"`);
	}

	return {
		owner,
		name,
		branch,
		nameWithOwner,
		absolute,
		relative,
	};
}

function parseReference(referenceElement: HTMLElement): PrReference {
	const {title, textContent, nextElementSibling} = referenceElement;