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VadimBrodsky/redux-store-diff.ts

Created August 28, 2019 15:01
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redux-store-diff.ts
const hasChange = (prevState: RootState, newState: RootState): ((prop: string) => boolean) => (
propertyPath: string,
): boolean => {
const path = propertyPath.split('.');
try {
const oldProp = path.reduce((prop): unknown => prevState[prop], prevState);
const newProp = path.reduce((prop): unknown => newState[prop], prevState);
return oldProp === newProp;
} catch (e) {
return false;
}
};
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