diff --git a/test/test_utils.py b/test/test_utils.py index 91e3ffd39e..47d1f71bfe 100644 --- a/test/test_utils.py +++ b/test/test_utils.py @@ -1218,6 +1218,12 @@ class TestUtil(unittest.TestCase): self.assertEqual(js_to_json('`${name}"${name}"`', {'name': '5'}), '"5\\"5\\""') self.assertEqual(js_to_json('`${name}`', {}), '"name"') + def test_js_to_json_map_array_constructors(self): + self.assertEqual(json.loads(js_to_json('new Map([["a", 5]])')), {'a': 5}) + self.assertEqual(json.loads(js_to_json('Array(5, 10)')), [5, 10]) + self.assertEqual(json.loads(js_to_json('new Array(15,5)')), [15, 5]) + self.assertEqual(json.loads(js_to_json('new Map([Array(5, 10),new Array(15,5)])')), {'5': 10, '15': 5}) + def test_extract_attributes(self): self.assertEqual(extract_attributes(''), {'x': 'y'}) self.assertEqual(extract_attributes(""), {'x': 'y'}) diff --git a/yt_dlp/utils/_utils.py b/yt_dlp/utils/_utils.py index ef26de1160..213ccc6363 100644 --- a/yt_dlp/utils/_utils.py +++ b/yt_dlp/utils/_utils.py @@ -2727,6 +2727,7 @@ def js_to_json(code, vars={}, *, strict=False): def create_map(mobj): return json.dumps(dict(json.loads(js_to_json(mobj.group(1) or '[]', vars=vars)))) + code = re.sub(r'(?:new\s+)?Array\((.*?)\)', r'[\g<1>]', code) code = re.sub(r'new Map\((\[.*?\])?\)', create_map, code) if not strict: code = re.sub(r'new Date\((".+")\)', r'\g<1>', code)