I just want to write a simple function which converts an array with 2 values [7, 9] to an object with x & y keys like : { x: 7, y: 9 }
interface coordinates {
x: number;
y: number;
}
function getAnObjectOfnum(arr: number[]): coordinates;
function getAnObjectOfnum(arg1: unknown, arg2?: unknown): coordinates {
let coord: coordinates = {
x: 0,
y: 0,
};
if (Array.isArray(arg1)) {
const converted = arg1.reduce((a, v, i) => ({ ...a, [i]: v }), {});
}
return coord;
}
console.log(getAnObjectOfnum([7, 9]));
That's my effort to find the solution.
I just want to write a simple function which converts an array with 2 values
[7, 9]to an object with x & y keys like :{ x: 7, y: 9 }
Unless there are requirements you're not describing in the question, it can be much simpler than that:
function getAnObjectOfnum(arr: [number, number]): coordinates {
return {x: arr[0], y: arr[1]};
}
Note that I've used [number, number] rather than number[], since we need exactly two values. This is a tuple type.
That can be made more concise using parameter destructuring, but possibly at the expense of clarity (or possibly not; if you're familiar with destructuring, it's clearer than I would have thought):
function getAnObjectOfnum([x, y]: [number, number]): coordinates {
return {x, y};
}