Fix some console errors (#2061)

Author: fregante

source/index.ts

@@ -78,7 +78,7 @@ export const isRepo = (): boolean => /^[^/]+\/[^/]+/.test(getCleanPathname()) &&
 	!isRepoSearch();
 
 export const isRepoDiscussionList = (): boolean =>
-	/^(issues|pulls)($|\/$|\/(?!\d+))/.test(getRepoPath()!) || // `issues/bfred-it` is a list but `issues/1` isn't
+	/^(issues|pulls)($|\/$|\/(?!\d+|new))/.test(getRepoPath()!) || // `issues/bfred-it` is a list but `issues/1` isn't
 	/^labels\/.+/.test(getRepoPath()!);
 
 export const isRepoRoot = (): boolean => /^(tree[/][^/]+)?$/.test(getRepoPath()!);

test.ts

@@ -161,6 +161,7 @@ test('isRepoDiscussionList', urlMatcherMacro, pageDetect.isRepoDiscussionList, [
 ], [
 	'http://github.com/sindresorhus/ava',
 	'https://github.com',
+	'https://github.com/sindresorhus/refined-github/issues/new',
 	'https://github.com/sindresorhus/refined-github/issues/170',
 	'https://github.com/sindresorhus/refined-github/pull/148',
 	'http://github.com/sindresorhus/issues',