Partial
Constructs a type with all properties of Type set to optional. This utility will return a type that represents all subsets of a given type.
example
interface Todo {
title: string;
description: string;
}
function updateTodo(todo: Todo, fieldsToUpdate: Partial<Todo>) {
return { ...todo, ...fieldsToUpdate };
}
const todo1 = {
title: "organize desk",
description: "clear clutter",
};
const todo2 = updateTodo(todo1, {
description: "throw out trash",
})
Released:
2.1
Reference :Typescript official docs
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