'as const' — Typescript's Unsung Hero for Strongly Typed Variables

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'as const' — Typescript's Unsung Hero for Strongly Typed Variables
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Have you ever worked with types in TypeScript and found yourself wanting more control over how those types behave? Well, there's a handy little feature as const

Table of contents Here are some examples of "as const" : Enum Types Tuple Types Function Return Types Object Properties Conclusion✨ Happy Coding 😊 you ever worked with types in and found yourself wanting more control over how those types behave? Well, there's a handy little feature called that can help with that. Have TypeScript as const is a way to make type checks stricter by preventing certain operations on a value.

as const For example, you could mark an object as constant to prevent adding or removing properties: interface Cat { name: string; age: number; } const garfield={ name: 'Garfield', age: 10 } as const; Now Garfield is seen as an object with very specific fields, rather than a loose Cat interface.

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