Pattern Match in javascript

patternMatch.js

import { cond, always, T, whereEq } from "ramda";

export const getProductPrice = cond([
  [
    whereEq({
      type: "product1",
      currency: "czk",
    }),
    ({ price }) => `${price} Kc`,
  ],
  [
    whereEq({
      type: "product1",
      currency: "usd",
    }),
    ({ price }) => `$${price}`,
  ],
  [T, always(null)],
]);

getProductPrice({
  type: "product1",
  currency: "usd",
  price: 200
})