Compressed caveman-style prose for AI coding agents — cuts ~65% output tokens while keeping full technical accuracy
96
100%
Does it follow best practices?
Impact
96%
1.00xAverage score across 38 eval scenarios
Passed
No known issues
{
"context": "Tests whether the response correctly identifies the root cause of unnecessary React re-renders when passing object props and provides valid fixes.",
"type": "weighted_checklist",
"checklist": [
{
"name": "Identifies referential equality as root cause",
"description": "Explains that objects are compared by reference in JavaScript, so a new object literal on each render is a new reference even if values are identical",
"max_score": 15
},
{
"name": "Mentions React.memo",
"description": "Recommends wrapping the child component in React.memo to skip re-renders when props are shallowly equal",
"max_score": 12
},
{
"name": "Mentions useMemo or useCallback",
"description": "Recommends useMemo for stabilizing object references or useCallback for function props",
"max_score": 12
},
{
"name": "Explains shallow comparison limitation",
"description": "Notes that React.memo uses shallow comparison by default, which still fails for new object references unless the object is memoized",
"max_score": 10
},
{
"name": "No incorrect information",
"description": "Response does not contain factually wrong statements about React rendering behavior, hooks, or JavaScript reference equality",
"max_score": 15
}
]
}evals
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