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ECO-CMP-JS-015

Name: Recreating large objects per render

Category: CMP

Family: JS

Primary layer: code

System layers: code

Description

Allocating large objects repeatedly increases GC churn and CPU.

Impact

  • confidence: 0.55
  • notes: Depends on render frequency.
  • type: cpu

Detection

  • languages:
  • javascript
  • method: hybrid

Remediation

  • guidance: Memoize stable objects; move creation outside render paths.
  • tradeoffs: Potential for stale data if misused.

Pattern examples

No pattern examples provided.

Remediation examples

No remediation examples provided.