Elk: Extract valencians strings locales

extractValencian.ts

import { resolve } from 'pathe'
import fs from 'fs-extra'

async function readI18nFile(file: string) {
  return JSON.parse(Buffer.from(
    await fs.readFile(resolve(`./locales/${file}`), 'utf-8'),
  ).toString())
}
/**
 * Simple object check.
 * @param item
 * @returns {boolean}
 */
export function isObject(item) {
  return (item && typeof item === 'object' && !Array.isArray(item))
}

export function extractValencian(target, base, source) {
  if (isObject(target) && isObject(base) && isObject(source)) {
    for (const key in base) {
      if (isObject(base[key])) {
        if (!source[key])
          Object.assign(source, { [key]: {} })

        if (!target[key])
          Object.assign(target, { [key]: {} })

        extractValencian(target[key], base[key], source[key])
      }
      else {
        if (source[key] && source[key].toLowerCase() !== base[key].toLowerCase())
          Object.assign(target, { [key]: source[key] })
      }
    }
  }
  return target
}

export function mergeLocales(target, base, source) {
  if (isObject(target) && isObject(base) && isObject(source)) {
    for (const key in base) {
      if (isObject(base[key])) {
        if (!source[key])
          Object.assign(source, { [key]: {} })

        if (!target[key])
          Object.assign(target, { [key]: {} })

        mergeLocales(target[key], base[key], source[key])
      }
      else {
        if (!source[key])
          Object.assign(target, { [key]: base[key] })
        else
          Object.assign(target, { [key]: source[key] })
      }
    }
  }
  return target
}

const en = await readI18nFile('en.json')

// Extract valencians strings from ca-1577.json
const ca = await readI18nFile('ca-1577.json')
const newCa = extractValencian({}, en, ca)
await fs.writeJSON('locales/ca-1577-NEW.json', newCa, { spaces: 2, EOL: '\n' })

// Extract valencians strings from ca-ES-Valencian-1577.json
const caVal = await readI18nFile('ca-ES-Valencian-1577.json')
const newCaVal = extractValencian({}, en, caVal)
await fs.writeJSON('locales/ca-ES-Valencian-1577-NEW.json', newCaVal, { spaces: 2, EOL: '\n' })

// Merge valencians strings
const newCaValMerged = mergeLocales({}, newCa, newCaVal)
await fs.writeJSON('locales/ca-ES-Valencian-1577-Merged-NEW.json', newCaValMerged, { spaces: 2, EOL: '\n' })

// Extract the Valencian strings that differ from my ca.json strings
const myCa = await readI18nFile('ca.json')
const newCaValFinal = extractValencian({}, myCa, newCaValMerged)
await fs.writeJSON('locales/ca-ES-Valencian-1577-Final-NEW.json', newCaValFinal, { spaces: 2, EOL: '\n' })

// Add next line without comment to scripts section in package.json
//     "extractValencian": "esno scripts/extractValencian.ts",
// $ pnpm extractValencian

extractValencianv2.ts

import { resolve } from 'pathe'
import fs from 'fs-extra'

async function readI18nFile(file: string) {
  return JSON.parse(Buffer.from(
    await fs.readFile(resolve(`./locales/${file}`), 'utf-8'),
  ).toString())
}
/**
 * Simple object check.
 * @param item
 * @returns {boolean}
 */
export function isObject(item) {
  return (item && typeof item === 'object' && !Array.isArray(item))
}

export function extractValencian(target, base, source) {
  if (isObject(target) && isObject(base) && isObject(source)) {
    for (const key in base) {
      if (isObject(base[key])) {
        if (!source[key])
          Object.assign(source, { [key]: {} })

        if (!target[key])
          Object.assign(target, { [key]: {} })

        extractValencian(target[key], base[key], source[key])
      }
      else {
        if (source[key] && source[key].toLowerCase() !== base[key].toLowerCase())
          Object.assign(target, { [key]: source[key] })
      }
    }
  }
  return target
}

export function mergeLocales(target, base, source) {
  if (isObject(target) && isObject(base) && isObject(source)) {
    for (const key in base) {
      if (isObject(base[key])) {
        if (!source[key])
          Object.assign(source, { [key]: {} })

        if (!target[key])
          Object.assign(target, { [key]: {} })

        mergeLocales(target[key], base[key], source[key])
      }
      else {
        if (!source[key])
          Object.assign(target, { [key]: base[key] })
        else
          Object.assign(target, { [key]: source[key] })
      }
    }
  }
  return target
}

const ca = await readI18nFile('ca.json')
const caVal = await readI18nFile('ca-ES-Valencia.json')
const caValFinal = extractValencian({}, ca, caVal)
await fs.writeJSON('locales/ca-ES-Valencia-NEW.json', caValFinal, { spaces: 2, EOL: '\n' })

// Add next line without comment to scripts section in package.json
//     "extractValencian": "esno scripts/extractValencian.ts",
// $ pnpm extractValencian

gistfile1.txt

Script used to merge locales in repo Elk
https://github.com/elk-zone/elk/pull/1634#issuecomment-1417946632