Update inaccurate mapChildren comment (#18931)
The function you provide will only be passed a child and an index. It will not be passed a key. This is confirmed in the source, the Flow types, and the jsdoc comments.
Ricky Vetter committed
May 15, 2020 at 13:05 UTC
121af3143c7164a196420b080cb31d0ef07d5dff
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packages/react/src/ReactChildren.js
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@@ -212,7 +212,7 @@ type MapFunc = (child: ?React$Node) => ?ReactNodeList;
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*
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* See https://reactjs.org/docs/react-api.html#reactchildrenmap
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*
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- * The provided mapFunction(child, key, index) will be called for each
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+ * The provided mapFunction(child, index) will be called for each
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* leaf child.
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*
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* @param {?*} children Children tree container.