Function visitPrefixOrPostfixUnaryExpression

test/fixtures/snapshot/typescript.js:107046–107090

(node, valueIsDiscarded)

            }
        }
        function visitPrefixOrPostfixUnaryExpression(node, valueIsDiscarded) {
            // When we see a prefix or postfix increment expression whose operand is an exported
            // symbol, we should ensure all exports of that symbol are updated with the correct
            // value.
            //
            // - We do not transform generated identifiers for any reason.
            // - We do not transform identifiers tagged with the LocalName flag.
            // - We do not transform identifiers that were originally the name of an enum or
            //   namespace due to how they are transformed in TypeScript.
            // - We only transform identifiers that are exported at the top level.
            if ((node.operator === 45 /* SyntaxKind.PlusPlusToken */ || node.operator === 46 /* SyntaxKind.MinusMinusToken */)
                && ts.isIdentifier(node.operand)
                && !ts.isGeneratedIdentifier(node.operand)
                && !ts.isLocalName(node.operand)
                && !ts.isDeclarationNameOfEnumOrNamespace(node.operand)) {
                var exportedNames = getExports(node.operand);
                if (exportedNames) {
                    var temp = void 0;
                    var expression = ts.visitNode(node.operand, visitor, ts.isExpression);
                    if (ts.isPrefixUnaryExpression(node)) {
                        expression = factory.updatePrefixUnaryExpression(node, expression);
                    }
                    else {
                        expression = factory.updatePostfixUnaryExpression(node, expression);
                        if (!valueIsDiscarded) {
                            temp = factory.createTempVariable(hoistVariableDeclaration);
                            expression = factory.createAssignment(temp, expression);
                            ts.setTextRange(expression, node);
                        }
                        expression = factory.createComma(expression, factory.cloneNode(node.operand));
                        ts.setTextRange(expression, node);
                    }
                    for (var _i = 0, exportedNames_4 = exportedNames; _i < exportedNames_4.length; _i++) {
                        var exportName = exportedNames_4[_i];
                        expression = createExportExpression(exportName, preventSubstitution(expression));
                    }
                    if (temp) {
                        expression = factory.createComma(expression, temp);
                        ts.setTextRange(expression, node);
                    }
                    return expression;
                }
            }
            return ts.visitEachChild(node, visitor, context);
        }
        //
        // Modifier Visitors
        //