resizeImage.js

const CANVAS_WIDTH = 1000;
const CANVAS_HEIGHT = 800;

function resizeImage(imageWidth, imageHeight) {
  const ratio = imageWidth / imageHeight;
  let width = CANVAS_WIDTH;
  let height = width / ratio;

  if (height > CANVAS_HEIGHT) {
    height = CANVAS_HEIGHT;
    width = height * ratio;
  }

  return {
    width,
    height,
  };
}