Dan Abramov
6 years ago
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content/blog/2018-06-07-you-probably-dont-need-derived-state.md
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@ -231,6 +231,11 @@ class Example extends Component { |
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filterText: "", |
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}; |
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// ******************************************************* |
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// NOTE: this example is NOT the recommended approach. |
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// See the examples below for our recommendations instead. |
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// ******************************************************* |
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static getDerivedStateFromProps(props, state) { |
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// Re-run the filter whenever the list array or filter text change. |
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// Note we need to store prevPropsList and prevFilterText to detect changes. |
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