LWCIntermediatewireimperativepatterns
Use wire adapters vs imperative Apex decision framework
Real World Scenario
Team debates wire(getPicklistValues) vs Apex returning picklist options for dependent picklists on custom object.
Expected Answer
• Wire for reactive cacheable read-only data with automatic refresh on param change
• Imperative for user-triggered actions, non-cacheable, or post-mutation refresh
• getPicklistValues wire for standard dependent picklist patterns
• refreshApex on wired property after DML updating underlying data
• Multiple wires compose independently—avoid god Apex method returning everything
• Document cacheable=true Apex implications—stale data tolerance
• Wire provisioning variant for dynamic adapter selection advanced cases
Follow-Up Questions & Answers
Click to expand — each follow-up includes a direct, interview-ready answer
Direct answer: Wire for reactive cacheable read-only data with automatic refresh on param change Also consider: Imperative for user-triggered actions, non-cacheable, or post-mutation refresh In practice: getPicklistValues wire for standard dependent picklist patterns Balance speed of delivery with maintainability.
Architect Perspective
Wire-first reduces boilerplate—imperative escape hatch when wire model fights UX requirements.