Function parseTypeParameter

test/fixtures/snapshot/typescript.js:33411–33440

()

            return finishNode(factory.createTypeQueryNode(entityName, typeArguments), pos);
        }
        function parseTypeParameter() {
            var pos = getNodePos();
            var modifiers = parseModifiers();
            var name = parseIdentifier();
            var constraint;
            var expression;
            if (parseOptional(94 /* SyntaxKind.ExtendsKeyword */)) {
                // It's not uncommon for people to write improper constraints to a generic.  If the
                // user writes a constraint that is an expression and not an actual type, then parse
                // it out as an expression (so we can recover well), but report that a type is needed
                // instead.
                if (isStartOfType() || !isStartOfExpression()) {
                    constraint = parseType();
                }
                else {
                    // It was not a type, and it looked like an expression.  Parse out an expression
                    // here so we recover well.  Note: it is important that we call parseUnaryExpression
                    // and not parseExpression here.  If the user has:
                    //
                    //      <T extends "">
                    //
                    // We do *not* want to consume the `>` as we're consuming the expression for "".
                    expression = parseUnaryExpressionOrHigher();
                }
            }
            var defaultType = parseOptional(63 /* SyntaxKind.EqualsToken */) ? parseType() : undefined;
            var node = factory.createTypeParameterDeclaration(modifiers, name, constraint, defaultType);
            node.expression = expression;
            return finishNode(node, pos);
        }
        function parseTypeParameters() {
            if (token() === 29 /* SyntaxKind.LessThanToken */) {
                return parseBracketedList(19 /* ParsingContext.TypeParameters */, parseTypeParameter, 29 /* SyntaxKind.LessThanToken */, 31 /* SyntaxKind.GreaterThanToken */);