refined-github · fregante · Nov 9, 2025 · Nov 8, 2025 · Nov 8, 2025
diff --git a/source/features/actionable-pr-view-file.tsx b/source/features/actionable-pr-view-file.tsx
@@ -1,10 +1,10 @@
-import {$} from 'select-dom/strict.js';
 import {elementExists} from 'select-dom';
 import * as pageDetect from 'github-url-detection';
 
 import features from '../feature-manager.js';
 import {getBranches} from '../github-helpers/pr-branches.js';
 import observe from '../helpers/selector-observer.js';
+import {deletedHeadRepository} from '../github-helpers/selectors.js';
 
 /** Rebuilds the "View file" link because it points to the base repo and to the commit, instead of the head repo and its branch */
 function alter(viewFileLink: HTMLAnchorElement): void {
@@ -26,7 +26,7 @@ void features.add(import.meta.url, {
 	exclude: [
 		// Editing files doesn't make sense after a PR is closed/merged
 		pageDetect.isClosedConversation,
-		() => $('.head-ref').title === 'This repository has been deleted',
+		() => elementExists(deletedHeadRepository),
 		// If you're viewing changes from partial commits, ensure you're on the latest one.
 		() => elementExists('.js-commits-filtered') && !elementExists('[aria-label="You are viewing the latest commit"]'),
 	],
@@ -38,6 +38,7 @@ void features.add(import.meta.url, {
 
 Test URLs
 
-https://github.com/refined-github/sandbox/pull/4/files
+- PR: https://github.com/refined-github/sandbox/pull/4/files
+- deleted head repository: https://github.com/refined-github/refined-github/pull/271
 
 */
diff --git a/source/features/pr-base-commit.tsx b/source/features/pr-base-commit.tsx
@@ -1,7 +1,8 @@
 import React from 'dom-chef';
-import {$} from 'select-dom/strict.js';
 import * as pageDetect from 'github-url-detection';
 
+import {elementExists} from 'select-dom';
+
 import features from '../feature-manager.js';
 import observe from '../helpers/selector-observer.js';
 import {getBranches} from '../github-helpers/pr-branches.js';
@@ -11,7 +12,7 @@ import {buildRepoURL} from '../github-helpers/index.js';
 import {linkifyCommit} from '../github-helpers/dom-formatters.js';
 import {isTextNodeContaining} from '../helpers/dom-utils.js';
 import {expectToken} from '../github-helpers/github-token.js';
-import {prMergeabilityBoxCaption} from '../github-helpers/selectors.js';
+import {deletedHeadRepository, prMergeabilityBoxCaption} from '../github-helpers/selectors.js';
 
 function getBaseCommitNotice(prInfo: PullRequestInfo): JSX.Element {
 	const {base} = getBranches();
@@ -57,7 +58,7 @@ void features.add(import.meta.url, {
 	],
 	exclude: [
 		pageDetect.isClosedConversation,
-		() => $('.head-ref').title === 'This repository has been deleted',
+		() => elementExists(deletedHeadRepository),
 	],
 	awaitDomReady: true, // DOM-based exclusions
 	init,

diff --git a/source/features/update-pr-from-base-branch.tsx b/source/features/update-pr-from-base-branch.tsx
@@ -15,7 +15,7 @@ import showToast from '../github-helpers/toast.js';
 import {getConversationNumber, getRepo} from '../github-helpers/index.js';
 import createMergeabilityRow from '../github-widgets/mergeability-row.js';
 import {expectToken} from '../github-helpers/github-token.js';
-import {prMergeabilityBoxCaption} from '../github-helpers/selectors.js';
+import {deletedHeadRepository, prMergeabilityBoxCaption} from '../github-helpers/selectors.js';
 
 // TODO: Use CachedMap after https://github.com/fregante/webext-storage-cache/issues/51
 const nativeRepos = new CachedFunction('native-update-button', {
@@ -165,7 +165,7 @@ void features.add(import.meta.url, {
 	],
 	exclude: [
 		pageDetect.isClosedConversation,
-		() => $('.head-ref').title === 'This repository has been deleted',
+		() => elementExists(deletedHeadRepository),
 	],
 	awaitDomReady: true, // DOM-based exclusions
 	init,

diff --git a/source/github-helpers/pr-branches.ts b/source/github-helpers/pr-branches.ts
@@ -52,17 +52,27 @@ export function parseReferenceRaw(absolute: string, relative: string): PrReferen
 }
 
 function parseReference(referenceElement: HTMLElement): PrReference {
-	const {title, textContent} = referenceElement;
-	return parseReferenceRaw(title, textContent.trim());
+	const {title, textContent, nextElementSibling} = referenceElement;
+
+	// In the React version, we have a `title` attribute but it's used to mark deleted repos instead
+	return title && title !== 'This repository has been deleted'
+		? parseReferenceRaw(title, textContent.trim()) // TODO: Remove in June 2026
+		: parseReferenceRaw(nextElementSibling!.textContent.trim(), textContent.trim());
 }
 
 export function getBranches(): {base: PrReference; head: PrReference} {
 	return {
 		get base() {
-			return parseReference($('.base-ref'));
+			return parseReference($([
+				'[class*="PullRequestHeaderSummary"] > [class*="PullRequestHeaderSummary"]',
+				'.base-ref', // TODO: Remove in June 2026
+			]));
 		},
 		get head() {
-			return parseReference($('.head-ref'));
+			return parseReference($([
+				'[class*="PullRequestHeaderSummary"] * [class*="PullRequestHeaderSummary"]',
+				'.head-ref', // TODO: Remove in June 2026
+			]));
 		},
 	};
 }
diff --git a/source/github-helpers/selectors.ts b/source/github-helpers/selectors.ts
@@ -235,3 +235,13 @@ export const actionBarSelectors = [
 
 export const prMergeabilityBoxCaption = '[aria-label="Conflicts"] [class^="MergeBoxSectionHeader-module__wrapper"] h3 + .fgColor-muted';
 export const prMergeabilityBoxCaption_ = requiresLogin;
+
+export const deletedHeadRepository = [
+	'span[title="This repository has been deleted"]',
+	'.head-ref[title="This repository has been deleted"]', // TODO: Remove in June 2026
+];
+
+export const deletedHeadRepository_ = [
+	[1, 'https://github.com/refined-github/refined-github/pull/271'],
+	[1, 'https://github.com/refined-github/refined-github/pull/271/files'],
+];