Format Currency & Numbers
Shared formatting that reads correctly on both apps.
Computing vs Displaying
Calculating a total is one job; formatting it as text is another. Keeping them separate keeps your shared code clean and reusable.
Why Format in Shared Code
If both apps show prices the same way, users trust them more. A shared formatter guarantees consistent output everywhere.
All lessons in this course
- A Shared Price & Tax Calculator
- Format Currency & Numbers
- Business Rules as Pure Functions
- Keep UI Out of Shared Code