Function write

tools/mage/translations.js:131–142

(filename, content)

 * @returns {Promise<undefined>} - A promise that resolves when the file has been written.
 */
const write = (filename, content) =>
  new Promise((resolve, reject) => {
    if (verbose) {
      console.log('writing', filename)
    }
    fs.writeFile(filename, content, (err, res) => {
      if (err) {
        return reject(err)
      }
      return resolve(res)
    })
  })

/**
 * Read the locales from the localesDir (specified by --locales) and parse