Add clean-issue-filters feature

source/content.ts

@@ -102,6 +102,7 @@ import './features/tag-changelog-link';
 import './features/link-to-file-in-file-history';
 import './features/clean-sidebar';
 import './features/open-issue-to-latest-comment';
+import './features/clean-issue-filters';
 
 import './features/scrollable-code-and-blockquote.css';
 import './features/center-reactions-popup.css';

source/features/clean-issue-filters.tsx

@@ -0,0 +1,43 @@
+import select from 'select-dom';
+import features from '../libs/features';
+import {v4} from '../libs/api';
+import {getOwnerAndRepo, idx} from '../libs/utils';
+
+async function init(): Promise<void> {
+	const {ownerName, repoName} = getOwnerAndRepo();
+	const result = await v4(`
+		query {
+			repository(owner: "${ownerName}", name: "${repoName}") {
+				projects { totalCount }
+				milestones { totalCount }
+				labels { totalCount }
+			},
+			organization(login: "${ownerName}") {
+				projects { totalCount }
+			}
+		}
+	`, {
+		allowErrors: true
+	});
+
+	// Hide projects filter only if there are no repo and organization level projects
+	if (result.repository.projects.totalCount === 0 && !idx(result, ['organization', 'projects', 'totalCount'])) {
+		select('[data-hotkey="p"')!.parentElement!.remove();
+	}
+
+	// Hide milestones filter if there are none
+	if (result.repository.milestones.totalCount === 0) {
+		select('[data-hotkey="m"')!.parentElement!.remove();
+	}
+}
+
+features.add({
+	id: 'clean-issue-filters',
+	description: 'Hide irrelevant issue/PR filters',
+	init,
+	load: features.onAjaxedPages,
+	include: [
+		features.isPRList,
+		features.isIssueList
+	]
+});

source/libs/api.ts

@@ -64,12 +64,20 @@ interface GHRestApiOptions {
 	body?: undefined | JsonObject;
 }
 
+interface GHGraphQLApiOptions {
+	allowErrors?: boolean;
+}
+
 const v3defaults: GHRestApiOptions = {
 	ignoreHTTPStatus: false,
 	method: 'GET',
 	body: undefined
 };
 
+const v4defaults: GHGraphQLApiOptions = {
+	allowErrors: false
+};
+
 export const v3 = mem(async (
 	query: string,
 	options: GHRestApiOptions = v3defaults
@@ -98,7 +106,10 @@ export const v3 = mem(async (
 	throw getError(apiResponse);
 });
 
-export const v4 = mem(async (query: string): Promise<AnyObject> => {
+export const v4 = mem(async (
+	query: string,
+	options: GHGraphQLApiOptions = v4defaults
+): Promise<AnyObject> => {
 	const {personalToken} = await settings;
 
 	if (!personalToken) {
@@ -121,7 +132,7 @@ export const v4 = mem(async (query: string): Promise<AnyObject> => {
 		errors = []
 	} = apiResponse;
 
-	if (errors.length > 0) {
+	if (errors.length > 0 && !options.allowErrors) {
 		throw Object.assign(
 			new RefinedGitHubAPIError('GraphQL:', ...errors.map(error => error.message)),
 			apiResponse

source/libs/page-detect.ts

@@ -60,6 +60,8 @@ export const isConflict = (): boolean => /^pull\/\d+\/conflicts/.test(getRepoPat
 
 export const isPRList = (): boolean => getRepoPath() === 'pulls';
 
+export const isIssueList = (): boolean => getRepoPath() === 'issues';
+
 export const isPRCommit = (): boolean => /^pull\/\d+\/commits\/[0-9a-f]{5,40}/.test(getRepoPath()!);
 
 export const isPRConversation = (): boolean => /^pull\/\d+$/.test(getRepoPath()!);

source/libs/utils.ts

@@ -86,3 +86,7 @@ export function getOP(): string {
 
 	return select('.timeline-comment-header-text .author')!.textContent!;
 }
+
+export function idx(target: unknown, path: string[]): unknown {
+	return path.reduce((obj, key) => obj && obj[key], target);
+}

test/page-detect.ts

@@ -234,6 +234,15 @@ test('isPRList', urlMatcherMacro, pageDetect.isPRList, [
 	'https://github.com/sindresorhus/refined-github/issues'
 ]);
 
+test('isIssueList', urlMatcherMacro, pageDetect.isIssueList, [
+	'https://github.com/sindresorhus/refined-github/issues',
+	'https://github.com/sindresorhus/refined-github/issues?q=is%3Aopen+is%3Aissue',
+	'https://github.com/sindresorhus/refined-github/issues?q=is%3Aissue+is%3Aclosed'
+], [
+	'https://github.com/sindresorhus/refined-github/issues/2016',
+	'https://github.com/sindresorhus/refined-github/pulls'
+]);
+
 test('isPR', urlMatcherMacro, pageDetect.isPR, [
 	'https://github.com/sindresorhus/refined-github/pull/148'
 ], [