ECO-CMP-JS-012 — Redundant API calls in component lifecycle¶

Category: Computation (CMP)
Family: JavaScript (JS)
Layer: Network
Tier: 2
Severity: warning
Tags: javascript, frontend, network
Legacy ID: ECO-JS-012

Summary¶

Repeated fetches on rerender waste network and CPU.

Chattiness often comes from accidental rerenders and missing caching.

{
  "confidence": 0.7,
  "notes": "Common in SPAs.",
  "type": "network"
}

{
  "languages": [
    "javascript"
  ],
  "method": "trace"
}

{
  "guidance": "Cache results; dedupe requests; stabilize dependencies.",
  "tradeoffs": "State management changes."
}

{
  "system_layers": [
    "network"
  ]
}