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feat: implement area-based pricing engine#11

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lukTS merged 2 commits into
mainfrom
feat/pricing-engine
May 19, 2026
Merged

feat: implement area-based pricing engine#11
lukTS merged 2 commits into
mainfrom
feat/pricing-engine

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@lukTS lukTS commented May 19, 2026

What

Implement PricingEngine class with area-based calculation logic.

Changes

  • PricingEngine class with calculate() method
  • Looks up rule by name, computes area × unitPrice × quantity
  • Throws on unknown rule name
  • 5 unit tests covering calculation and error handling
  • Re-exported from package entry point

Closes #5

lukTS added 2 commits May 18, 2026 18:09
@lukTS
feat: implement PricingEngine class
f9598ea 
- calculate() method with area-based pricing
- Throws on unknown rule name
- Re-exported from index

#5
@lukTS
test: add unit tests for PricingEngine
178aace 
- area calculation
- subtotal (area × unitPrice)
- total (subtotal × quantity)
- full result shape
- throws on unknown rule

#5
@lukTS lukTS added this to the v0.1.0 milestone May 19, 2026
@lukTS lukTS added the enhancement New feature or request label May 19, 2026
@lukTS lukTS merged commit c467c31 into main May 19, 2026
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enhancement New feature or request

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v0.1.0

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feat: implement area-based pricing engine

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@lukTS