LWCIntermediatewirereactivity
Handle @wire reactive parameter changes correctly
Real World Scenario
Filter change does not refresh wired Apex until full page reload.
Expected Answer
• $param syntax for reactive wire property binding
• Primitive vs object param reference changes
• Imperative refreshApex when wire params insufficient
• Clear previous data when params null during transition
• Debounce rapid filter changes reducing server calls
• Document which params trigger wire refresh
Follow-Up Questions & Answers
Click to expand — each follow-up includes a direct, interview-ready answer
Direct answer: $param syntax for reactive wire property binding Also consider: Primitive vs object param reference changes In practice: Imperative refreshApex when wire params insufficient Balance speed of delivery with maintainability.
Architect Perspective
Wire reactivity is reference-sensitive—know $param and refreshApex cold.