Write to file node

.js

const fs = require('fs');
const { promisify } = require('util');

import _ from 'lodash';

const promisifiedWriteFile = promisify(fs.writeFile);

const main = [

  {
    category: 'Bitcoin Payments',
    links: [
      {
        slug: 'bitcoin',
        payment: 'credit-card',
        url: '/crypto/exchanges/bitcoin/credit-card',
        text: 'Buy Bitcoin with Credit Card',
      },
      {
        slug: 'bitcoin',
        payment: 'paypal',
        url: '/crypto/exchanges/bitcoin/paypal',
        text: 'Buy Bitcoin with Paypal',
      },
      {
        slug: 'bitcoin',
        payment: 'debit-card',
        url: '/crypto/exchanges/bitcoin/debit-card',
        text: 'Buy Bitcoin with Debit Card',
      },
      {
        slug: 'bitcoin',
        payment: 'wire-transfer',
        url: '/crypto/exchanges/bitcoin/wire-transfer',
        text: 'Buy Bitcoin with Wire Transfer',
      },
      {
        slug: 'bitcoin',
        payment: 'cash',
        url: '/crypto/exchanges/bitcoin/cash',
        text: 'Buy Bitcoin with Cash',
      },
      {
        slug: 'bitcoin',
        payment: 'skrill',
        url: '/crypto/exchanges/bitcoin/skrill',
        text: 'Buy Bitcoin with Skrill',
      },
      {
        slug: 'bitcoin',
        payment: 'neteller',
        url: '/crypto/exchanges/bitcoin/neteller',
        text: 'Buy Bitcoin with Neteller',
      },
      {
        slug: 'bitcoin',
        payment: 'ethereum',
        url: '/crypto/exchanges/bitcoin/ethereum',
        text: 'Buy Bitcoin with Ethereum',
      },
    ]
  },
  {
    category: 'Buy Bitcoin',
    links: [
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/united-kingdom',
        text: 'Buy Bitcoin in United Kingdom',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/united-states',
        text: 'Buy Bitcoin in United States',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/australia',
        text: 'Buy Bitcoin in Australia',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/canada',
        text: 'Buy Bitcoin in Canada',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/new-zealand',
        text: 'Buy Bitcoin in New Zealand',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/singapore',
        text: 'Buy Bitcoin in Singapore',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/south-africa',
        text: 'Buy Bitcoin in South Africa',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/india',
        text: 'Buy Bitcoin in India',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/ireland',
        text: 'Buy Bitcoin in Ireland',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/hong-kong',
        text: 'Buy Bitcoin in Hong Kong',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/italy',
        text: 'Buy Bitcoin in Italy',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/spain',
        text: 'Buy Bitcoin in Spain',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/france',
        text: 'Buy Bitcoin in France',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/germany',
        text: 'Buy Bitcoin in Germany',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/netherlands',
        text: 'Buy Bitcoin in Netherlands',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/sweden',
        text: 'Buy Bitcoin in Sweden',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/norway',
        text: 'Buy Bitcoin in Norway',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/philippines',
        text: 'Buy Bitcoin in Philippines',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/qatar',
        text: 'Buy Bitcoin in Qatar',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/korea',
        text: 'Buy Bitcoin in Korea',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/kuwait',
        text: 'Buy Bitcoin in Kuwait',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/dubai',
        text: 'Buy Bitcoin in Dubai',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/japan',
        text: 'Buy Bitcoin in Japan',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/united-arab-emirates',
        text: 'Buy Bitcoin in United Arab Emirates',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/denmark',
        text: 'Buy Bitcoin in Denmark',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/greece',
        text: 'Buy Bitcoin in Greece',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/portugal',
        text: 'Buy Bitcoin in Portugal',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/brazil',
        text: 'Buy Bitcoin in Brazil',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/argentina',
        text: 'Buy Bitcoin in Argentina',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/russia',
        text: 'Buy Bitcoin in Russia',
      },
      {
        slug: 'bitcoin',
        payment: '',
        url: '/crypto/exchanges/bitcoin/turkey',
        text: 'Buy Bitcoin in Turkey',
      },
    ]
  },
  {
    category: 'Ethereum Payments',
    links: [
      {
        slug: 'ethereum',
        payment: 'credit-card',
        url: '/crypto/exchanges/ethereum/credit-card',
        text: 'Buy Ethereum with Credit Card',
      },
      {
        slug: 'ethereum',
        payment: 'paypal',
        url: '/crypto/exchanges/ethereum/paypal',
        text: 'Buy Ethereum with Paypal',
      },
      {
        slug: 'ethereum',
        payment: 'debit-card',
        url: '/crypto/exchanges/ethereum/debit-card',
        text: 'Buy Ethereum with Debit Card',
      },
      {
        slug: 'ethereum',
        payment: 'wire-transfer',
        url: '/crypto/exchanges/ethereum/wire-transfer',
        text: 'Buy Ethereum with Wire Transfer',
      },
      {
        slug: 'ethereum',
        payment: 'cash',
        url: '/crypto/exchanges/ethereum/cash',
        text: 'Buy Ethereum with Cash',
      },
      {
        slug: 'ethereum',
        payment: 'skrill',
        url: '/crypto/exchanges/ethereum/skrill',
        text: 'Buy Ethereum with Skrill',
      },
      {
        slug: 'ethereum',
        payment: 'neteller',
        url: '/crypto/exchanges/ethereum/neteller',
        text: 'Buy Ethereum with Neteller',
      },
      {
        slug: 'ethereum',
        payment: 'bitcoin',
        url: '/crypto/exchanges/ethereum/bitcoin',
        text: 'Buy Ethereum with Bitcoin',
      },
    ]
  },
];


// change some stuff in object and return object
// const changePids = async (product) => {
//   product.products.forEach((category) => {
//     category.links = category.links.map((link) => {
//       return {
//         ...link,
//         pids: [`${link.pids}`]
//       };
//     });
//   });
//   return product;
// };

// const addCategory = (obj) => {
//   const products = [];
//   for (const prop in obj) {
//     products.push({
//       category: prop,
//       transifexTop: 'top-credit-cards-product',
//       statesMap: true,
//       postfix: 'Credit Cards',
//       links: obj[prop]
//     });
//   }
//   return products;
// };

// const group = (collection) => {
//   console.log('collection ------>', collection);
//   const grouped = _.groupBy(collection, 'category');
//   console.log('groupedby -------->', grouped);
//   return grouped;
// };

// do not forget to stringfigy before writing to text !important
// writeFile('creditcards.json', JSON.stringify(addCategory(prod)));


// or this version


const writeFile = async (dst, data, cb) => {
  const procceedData = cb(data);
  promisifiedWriteFile(dst, JSON.stringify(procceedData))
    .then(() => console.log('done succsesfuly'))
    .catch(err => console.log(err));
};

const zainBaAin = d => (
  d.reduce((a, b) => {
    a.push({
      ...b,
      links: b.links.map(c => console.log(c) || ({
        ...c,
        id: c.url.replace('/crypto/exchanges/', '').replace(/\//, '.')
      })) });
    return _.flatten(a);
  }, [])
);

writeFile('main.json', main, zainBaAin);