const parseBitmask = ({profile}, bitmask) => { const res = {} for (let product of profile.products) res[product.id] = false const bits = bitmask.toString(2).split('').map(i => parseInt(i)).reverse() for (let i = 0; i < bits.length; i++) { if (!bits[i]) continue // ignore `0` const product = profile.products.find(p => p.bitmasks.includes(Math.pow(2, i))) if (product) res[product.id] = true } return res } export { parseBitmask, }