Custom TypeScript PropertiesOfType Function
Explore how to build a custom PropertiesOfType generic type in TypeScript to limit sort operations to valid property types such as string, number, and Date. Understand how this improves type safety and prevents errors in generic sort functions when dealing with unsupported property types.
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We’ve built a powerful generic search function, capable of sorting in both ascending and descending fashion, but there is still an improvement that can be made. A problem arises from the fact that we use both the greater than (>) and less than (<) symbols in our genericSort function. These operators don’t make much sense when comparing JavaScript primitive types like Symbol, ...