gatsby-source-pokemons/addfield.js

A gatsby source plugin for building Pokemon Projects using GraphQL in Gatsby.

const fs = require("fs");
const { results } = require("./pokemons.json");

let res = results.map(result => {
    const { hp, attack, defense, sp_atk, sp_def, speed,  national_number } = result
    result.natl_num = Number(national_number)
    result.total = hp + attack + defense + sp_atk + sp_def + speed;
    return result;
})

fs.writeFile("pokemonsv2.json", JSON.stringify(res), function (
    err
  ) {
    if (err) throw err;
    console.log(success(`finished!`));
});