Interactive AST Playground

Paste your React, Vue, or Vanilla JS code to instantly detect performance bottlenecks before they hit production.

Source Code

import React, { useMemo } from 'react'

const HeavyComponent = () => {
  // ❌ PERFORMANCE ISSUE: Inline object prop causes unnecessary re-renders
  // on every parent render cycle, breaking React.memo checks.
  return <ChildComponent data={{ id: 123, status: "active" }} />
}

Analysis Results

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