Explicit declaration of default parameters

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In regard to the following code snippet,

type C = { a: string, b: number }

function f({ a, b } = {a:"", b:0}): void {
    // ...
}

Can you explain the syntax for explicitly typing the default parameter?

Answer №1

It is important to specify the type before assigning a value in TypeScript.

type Person = { name: string, age: number }

function printInfo({ name, age }: Person = {name:"", age:0}): void {
    // Function body goes here
}

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