Function checkPrefixUnaryExpression

test/fixtures/snapshot/typescript.js:78464–78517

(node)

            return awaitedType;
        }
        function checkPrefixUnaryExpression(node) {
            var operandType = checkExpression(node.operand);
            if (operandType === silentNeverType) {
                return silentNeverType;
            }
            switch (node.operand.kind) {
                case 8 /* SyntaxKind.NumericLiteral */:
                    switch (node.operator) {
                        case 40 /* SyntaxKind.MinusToken */:
                            return getFreshTypeOfLiteralType(getNumberLiteralType(-node.operand.text));
                        case 39 /* SyntaxKind.PlusToken */:
                            return getFreshTypeOfLiteralType(getNumberLiteralType(+node.operand.text));
                    }
                    break;
                case 9 /* SyntaxKind.BigIntLiteral */:
                    if (node.operator === 40 /* SyntaxKind.MinusToken */) {
                        return getFreshTypeOfLiteralType(getBigIntLiteralType({
                            negative: true,
                            base10Value: ts.parsePseudoBigInt(node.operand.text)
                        }));
                    }
            }
            switch (node.operator) {
                case 39 /* SyntaxKind.PlusToken */:
                case 40 /* SyntaxKind.MinusToken */:
                case 54 /* SyntaxKind.TildeToken */:
                    checkNonNullType(operandType, node.operand);
                    if (maybeTypeOfKindConsideringBaseConstraint(operandType, 12288 /* TypeFlags.ESSymbolLike */)) {
                        error(node.operand, ts.Diagnostics.The_0_operator_cannot_be_applied_to_type_symbol, ts.tokenToString(node.operator));
                    }
                    if (node.operator === 39 /* SyntaxKind.PlusToken */) {
                        if (maybeTypeOfKind(operandType, 2112 /* TypeFlags.BigIntLike */)) {
                            error(node.operand, ts.Diagnostics.Operator_0_cannot_be_applied_to_type_1, ts.tokenToString(node.operator), typeToString(getBaseTypeOfLiteralType(operandType)));
                        }
                        return numberType;
                    }
                    return getUnaryResultType(operandType);
                case 53 /* SyntaxKind.ExclamationToken */:
                    checkTruthinessExpression(node.operand);
                    var facts = getTypeFacts(operandType) & (4194304 /* TypeFacts.Truthy */ | 8388608 /* TypeFacts.Falsy */);
                    return facts === 4194304 /* TypeFacts.Truthy */ ? falseType :
                        facts === 8388608 /* TypeFacts.Falsy */ ? trueType :
                            booleanType;
                case 45 /* SyntaxKind.PlusPlusToken */:
                case 46 /* SyntaxKind.MinusMinusToken */:
                    var ok = checkArithmeticOperandType(node.operand, checkNonNullType(operandType, node.operand), ts.Diagnostics.An_arithmetic_operand_must_be_of_type_any_number_bigint_or_an_enum_type);
                    if (ok) {
                        // run check only if former checks succeeded to avoid reporting cascading errors
                        checkReferenceExpression(node.operand, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_must_be_a_variable_or_a_property_access, ts.Diagnostics.The_operand_of_an_increment_or_decrement_operator_may_not_be_an_optional_property_access);
                    }
                    return getUnaryResultType(operandType);
            }
            return errorType;
        }
        function checkPostfixUnaryExpression(node) {
            var operandType = checkExpression(node.operand);
            if (operandType === silentNeverType) {