Function parseMappedType

test/fixtures/snapshot/typescript.js:33791–33817

()

            return finishNode(factory.createTypeParameterDeclaration(/*modifiers*/ undefined, name, type, /*defaultType*/ undefined), pos);
        }
        function parseMappedType() {
            var pos = getNodePos();
            parseExpected(18 /* SyntaxKind.OpenBraceToken */);
            var readonlyToken;
            if (token() === 145 /* SyntaxKind.ReadonlyKeyword */ || token() === 39 /* SyntaxKind.PlusToken */ || token() === 40 /* SyntaxKind.MinusToken */) {
                readonlyToken = parseTokenNode();
                if (readonlyToken.kind !== 145 /* SyntaxKind.ReadonlyKeyword */) {
                    parseExpected(145 /* SyntaxKind.ReadonlyKeyword */);
                }
            }
            parseExpected(22 /* SyntaxKind.OpenBracketToken */);
            var typeParameter = parseMappedTypeParameter();
            var nameType = parseOptional(127 /* SyntaxKind.AsKeyword */) ? parseType() : undefined;
            parseExpected(23 /* SyntaxKind.CloseBracketToken */);
            var questionToken;
            if (token() === 57 /* SyntaxKind.QuestionToken */ || token() === 39 /* SyntaxKind.PlusToken */ || token() === 40 /* SyntaxKind.MinusToken */) {
                questionToken = parseTokenNode();
                if (questionToken.kind !== 57 /* SyntaxKind.QuestionToken */) {
                    parseExpected(57 /* SyntaxKind.QuestionToken */);
                }
            }
            var type = parseTypeAnnotation();
            parseSemicolon();
            var members = parseList(4 /* ParsingContext.TypeMembers */, parseTypeMember);
            parseExpected(19 /* SyntaxKind.CloseBraceToken */);
            return finishNode(factory.createMappedTypeNode(readonlyToken, typeParameter, nameType, questionToken, type, members), pos);
        }
        function parseTupleElementType() {
            var pos = getNodePos();
            if (parseOptional(25 /* SyntaxKind.DotDotDotToken */)) {