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This function accepts the component’s previous props, and its new props. It should return true if the old and new props are equal: that is, if the component will render the same output and behave in the same way with the new props as with the old. I need to use this function as state objects that are passed as props will always have different references.
18 lines
408 B
TypeScript
18 lines
408 B
TypeScript
import deepEqual from "deep-equal";
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export const propsAreEqual = <T extends object>(
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prevProps: T,
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nextProps: T,
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): boolean => {
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for (const key in nextProps) {
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if (typeof nextProps[key] === "object") {
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if (!deepEqual(prevProps[key], nextProps[key])) {
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return false;
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}
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} else if (!Object.is(prevProps[key], nextProps[key])) {
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return false;
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}
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}
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return true;
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};
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