@hackplan/polaris/esnext/utilities/getWidth.js

Shopify’s product component library

import { pluckDeep } from './pluckDeep';
export function getWidth(value = {}, defaultWidth = 0, key = 'width') {
    const width = typeof value === 'number' ? value : pluckDeep(value, key);
    return width ? `${width}px` : `${defaultWidth}px`;
}