fix: stripe type with class modifiers

Fixes: nodejs/node#54282
Upstream: swc-project/swc#9399

test/index.test.js

@@ -97,6 +97,27 @@ test("should handle User type and isAdult function", (t) => {
 	t.assert.snapshot(code);
 });
 
+test("should handle class modifiers", (t) => {
+	const inputCode = `
+		class PrivateConstructor {
+		  private constructor() {}
+		  public a() {}
+		  protected b() {}
+		  static create() {
+		    return new PrivateConstructor()
+		  }
+		}
+
+		const ins = PrivateConstructor.create()
+		console.log(ins)
+	`;
+	const { code } = transformSync(inputCode);
+	t.assert.snapshot(code);
+	assert.strictEqual(code.includes("private"), false);
+	assert.strictEqual(code.includes("protected"), false);
+	assert.strictEqual(code.includes("public"), false);
+});
+
 test("should handle empty source code", (t) => {
 	assert.strictEqual(transformSync().code, "");
 	assert.throws(() => transformSync({}).code);

test/snapshots/index.test.js.snapshot

@@ -2,6 +2,10 @@ exports[`should handle User type and isAdult function 1`] = `
 "\\n                 \\n                   \\n                  \\n      \\n\\n    function isAdult(user      )          {\\n      return user.age >= 18;\\n    }\\n  "
 `;
 
+exports[`should handle class modifiers 1`] = `
+"\\n\\t\\tclass PrivateConstructor {\\n\\t\\t  private constructor() {}\\n\\t\\t         a() {}\\n\\t\\t            b() {}\\n\\t\\t  static create() {\\n\\t\\t    return new PrivateConstructor()\\n\\t\\t  }\\n\\t\\t}\\n\\n\\t\\tconst ins = PrivateConstructor.create()\\n\\t\\tconsole.log(ins)\\n\\t"
+`;
+
 exports[`should perform type stripping 1`] = `
 "const foo         = 'bar';"
 `;