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frivolta/extendGenericType.ts

Last active January 10, 2020 13:32
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extendGenericType.ts
// Add a new generic type P
const filterArrayByValue = <T, P extends keyof T>(
items: T[],
propertyName: P,
valueToFilter: string
): T[] => {
return items.filter(item =>item[propertyName] === valueToFilter);
};
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