Generate txt

compile.js

const {set, get, chain, trim, last, unset} = require('lodash')

module.exports = function generateTxt(json, strings = []) {
  for (const item of strings) {
    const {original, translation, stage, key} = item
    const text = `"${stage > 0 || translation ? translation : original}<!-${original}-!>`
      .replace(/^""(.+)/g, '"$1')
      .replace(/(.+)""$/g, '$1"')

    let keyPath = key.split('|')
    if (last(keyPath) === '__key__') {
      // key now is like [monarch_names, 7, __key__]
      const parentPath = keyPath.slice(0, -2) // to [monarch_names]
      const index = parseInt(keyPath[keyPath.length - 2])
      const originalKeyName = chain(json).get(parentPath).keys().get(index).value() // get current key name with index

      const value = get(json, [...parentPath, originalKeyName]) // get monarch_name odds like 20 or 0
      if (value === undefined) {
        continue
      }
      unset(json, [...parentPath, originalKeyName]) // delete [monarch_names, "Karl #0 Theodor"]

      // set key name as "卡尔 #0 西奥多", note that wrapping quote is essential
      set(json, [...parentPath, `"${trim(translation || original, '"')}"`], value)
      /* now the whole object is like

         monarch_names: {
           // "Karl #0 Theodor": "20" // this has been removed
           "卡尔 #0 西奥多": "20", // we set this with above code
           "Otto Heinrich #0": "20" // next loop will replace this
         }

       */
      continue
    }
    set(json, keyPath, text)
  }

  let string = JSON.stringify(json, null, 4)

  string = string.split('\n')
    .slice(1, -1)
    .map(line => line.replace(/^\s{4}/, '')).join('\n')
    .replace(/\\"/g, '@@') // \" -> @@
    .replace(/#+(?=")/g, '') // remove # in key name
    .replace(/"/g, '') // remove "
    .replace(/: /g, ' = ') // : -> =
    .replace(/@@/g, '"') // @@ -> "
    .replace(/,$/gm, '') // remove trailing comma
    .replace(/\[/g, '{') // [ -> {
    .replace(/]/g, '}') // ] -> }
    .replace(/^(\s*)=(\s?){/gm, '$1{') // remove empty key and =
    .replace(/<!-/g, '"  # ').replace(/-!>/g, '') // add original text

  return string
}