Update @typescript-eslint/parser to v7 (#2313)

Author: fisker

package.json

@@ -71,7 +71,7 @@
 		"@babel/core": "^7.23.6",
 		"@babel/eslint-parser": "^7.23.3",
 		"@lubien/fixture-beta-package": "^1.0.0-beta.1",
-		"@typescript-eslint/parser": "^6.15.0",
+		"@typescript-eslint/parser": "^7.5.0",
 		"ava": "^6.0.1",
 		"c8": "^8.0.1",
 		"chalk": "^5.3.0",

rules/no-useless-switch-case.js

@@ -16,31 +16,17 @@ const create = context => ({
 	* SwitchStatement(switchStatement) {
 		const {cases} = switchStatement;
 
-		// TypeScript allows multiple `default` cases
-		const defaultCases = cases.filter(switchCase => switchCase.test === null);
-		if (defaultCases.length !== 1) {
-			return;
-		}
-
-		const [defaultCase] = defaultCases;
-
 		// We only check cases where the last case is the `default` case
-		if (defaultCase !== cases.at(-1)) {
+		if (cases.length < 2 || cases.at(-1).test !== null) {
 			return;
 		}
 
-		const uselessCases = [];
-
 		for (let index = cases.length - 2; index >= 0; index--) {
 			const node = cases[index];
-			if (isEmptySwitchCase(node)) {
-				uselessCases.unshift(node);
-			} else {
+			if (!isEmptySwitchCase(node)) {
 				break;
 			}
-		}
 
-		for (const node of uselessCases) {
 			yield {
 				node,
 				loc: getSwitchCaseHeadLocation(node, context.sourceCode),

test/no-useless-switch-case.mjs

@@ -160,20 +160,3 @@ test.snapshot({
 		`,
 	],
 });
-
-test.typescript({
-	valid: [
-		outdent`
-			switch (1) {
-				default:
-					handleDefaultCase1();
-					break;
-				case 1:
-				default:
-					handleDefaultCase2();
-					break;
-			}
-		`,
-	],
-	invalid: [],
-});