Function isStartOfType

test/fixtures/snapshot/typescript.js:34017–34067

(inStartOfParameter)

            }
        }
        function isStartOfType(inStartOfParameter) {
            switch (token()) {
                case 130 /* SyntaxKind.AnyKeyword */:
                case 155 /* SyntaxKind.UnknownKeyword */:
                case 150 /* SyntaxKind.StringKeyword */:
                case 147 /* SyntaxKind.NumberKeyword */:
                case 158 /* SyntaxKind.BigIntKeyword */:
                case 133 /* SyntaxKind.BooleanKeyword */:
                case 145 /* SyntaxKind.ReadonlyKeyword */:
                case 151 /* SyntaxKind.SymbolKeyword */:
                case 154 /* SyntaxKind.UniqueKeyword */:
                case 114 /* SyntaxKind.VoidKeyword */:
                case 153 /* SyntaxKind.UndefinedKeyword */:
                case 104 /* SyntaxKind.NullKeyword */:
                case 108 /* SyntaxKind.ThisKeyword */:
                case 112 /* SyntaxKind.TypeOfKeyword */:
                case 143 /* SyntaxKind.NeverKeyword */:
                case 18 /* SyntaxKind.OpenBraceToken */:
                case 22 /* SyntaxKind.OpenBracketToken */:
                case 29 /* SyntaxKind.LessThanToken */:
                case 51 /* SyntaxKind.BarToken */:
                case 50 /* SyntaxKind.AmpersandToken */:
                case 103 /* SyntaxKind.NewKeyword */:
                case 10 /* SyntaxKind.StringLiteral */:
                case 8 /* SyntaxKind.NumericLiteral */:
                case 9 /* SyntaxKind.BigIntLiteral */:
                case 110 /* SyntaxKind.TrueKeyword */:
                case 95 /* SyntaxKind.FalseKeyword */:
                case 148 /* SyntaxKind.ObjectKeyword */:
                case 41 /* SyntaxKind.AsteriskToken */:
                case 57 /* SyntaxKind.QuestionToken */:
                case 53 /* SyntaxKind.ExclamationToken */:
                case 25 /* SyntaxKind.DotDotDotToken */:
                case 137 /* SyntaxKind.InferKeyword */:
                case 100 /* SyntaxKind.ImportKeyword */:
                case 128 /* SyntaxKind.AssertsKeyword */:
                case 14 /* SyntaxKind.NoSubstitutionTemplateLiteral */:
                case 15 /* SyntaxKind.TemplateHead */:
                    return true;
                case 98 /* SyntaxKind.FunctionKeyword */:
                    return !inStartOfParameter;
                case 40 /* SyntaxKind.MinusToken */:
                    return !inStartOfParameter && lookAhead(nextTokenIsNumericOrBigIntLiteral);
                case 20 /* SyntaxKind.OpenParenToken */:
                    // Only consider '(' the start of a type if followed by ')', '...', an identifier, a modifier,
                    // or something that starts a type. We don't want to consider things like '(1)' a type.
                    return !inStartOfParameter && lookAhead(isStartOfParenthesizedOrFunctionType);
                default:
                    return isIdentifier();
            }
        }
        function isStartOfParenthesizedOrFunctionType() {
            nextToken();
            return token() === 21 /* SyntaxKind.CloseParenToken */ || isStartOfParameter(/*isJSDocParameter*/ false) || isStartOfType();