Function peekExtendedUnicodeEscape

test/fixtures/snapshot/typescript.js:11301–11311

()

            return -1;
        }
        function peekExtendedUnicodeEscape() {
            if (languageVersion >= 2 /* ScriptTarget.ES2015 */ && codePointAt(text, pos + 1) === 117 /* CharacterCodes.u */ && codePointAt(text, pos + 2) === 123 /* CharacterCodes.openBrace */) {
                var start_2 = pos;
                pos += 3;
                var escapedValueString = scanMinimumNumberOfHexDigits(1, /*canHaveSeparators*/ false);
                var escapedValue = escapedValueString ? parseInt(escapedValueString, 16) : -1;
                pos = start_2;
                return escapedValue;
            }
            return -1;
        }
        function scanIdentifierParts() {
            var result = "";
            var start = pos;