NodeJs script to read two specific files for translation and write them together for better revision

make-revision-file.js

const fs = require('fs');
const english = require("./english.json").text
const portuguese = require("./portuguese.json").text

const DEFAULT_KEY = "en-US"
const accumlator = {}

// Acc the english ones
english.reduce((all, value) => {
    all[value.key] = {
        "en-US": value[DEFAULT_KEY]
    }
    return all
}, accumlator)

// Acc the portuguese ones
portuguese.reduce((all, value) => {
    all[value.key] = {
        ...(all[value.key] || {}),
        "pt-BR": value[DEFAULT_KEY]
    }

    return all
}, accumlator)

fs.writeFileSync('for-revision.json', JSON.stringify(accumlator, null, 2), { encoding: 'utf8'})