Slide Statements

Goal

Related statements sit next to each other; the function reads as a sequence of cohesive sub-steps that are easy to extract.

Before the refactoring

const basePrice = qty * itemPrice;
logPriceCalc(basePrice);
const tax = basePrice * 0.1;
logTaxCalc(tax);

After the refactoring

const basePrice = qty * itemPrice;
const tax = basePrice * 0.1;
logPriceCalc(basePrice);
logTaxCalc(tax);

Savings

Setup for Extract Function becomes trivial; the implicit grouping inside the function becomes explicit.

Note

Reordering can change behavior if statements aren't actually independent — verify side effects and dependencies before sliding.