How to use easygettext - 3 common examples

.describe('attrs', 'The attributes passed to easygettext extractor.')
  .array('xgettext')
  .describe('xgettext-args', 'The arguments to pass to xgettext command.')
  .demand(['src', 'output'])
  .argv

const outputFile = argv.output
const srcFolder = argv.src
const extractAttrs = argv.attrs
const xgettextArgs = argv.xgettextArgs

// clean up
shell.rm('-f', outputFile)

let finalAttrs = extractAttrs
                ? extractAttrs.concat(ExtractorDefaultAttrs)
                : ExtractorDefaultAttrs

// support v-translate directive
if (finalAttrs.indexOf('v-translate') === -1) {
  finalAttrs.push('v-translate')
}

const extractor = new Extractor({
  lineNumbers: true,
  attributes: finalAttrs
})

const vueFiles = glob.sync(`${srcFolder}/**/*.vue`)

// extract from templates
let renderPromises = vueFiles.map((file) => {

const extractAttrs = argv.attrs
const xgettextArgs = argv.xgettextArgs

// clean up
shell.rm('-f', outputFile)

let finalAttrs = extractAttrs
                ? extractAttrs.concat(ExtractorDefaultAttrs)
                : ExtractorDefaultAttrs

// support v-translate directive
if (finalAttrs.indexOf('v-translate') === -1) {
  finalAttrs.push('v-translate')
}

const extractor = new Extractor({
  lineNumbers: true,
  attributes: finalAttrs
})

const vueFiles = glob.sync(`${srcFolder}/**/*.vue`)

// extract from templates
let renderPromises = vueFiles.map((file) => {
  let content = fs.readFileSync(file, 'utf8')
  let filename = path.basename(file)
  let output = parseVue(content, filename, false)
  let templateLang = output.template ? output.template.lang : null
  let renderFn = templateLang && consolidate[templateLang] && consolidate[templateLang].render
  let renderOpts = templateLang && require(`./extract-opts/${templateLang}`)

  // must be in html so that they can match when the app runs

poFiles.forEach((poFile) => {
  let poContents = fs.readFileSync(poFile, {
    encoding: 'utf-8'
  }).toString()
  let data = po2json(poContents)
  let lang = data.headers.Language

  if (!translationData[lang]) {
    translationData[lang] = data.messages
  } else {
    Object.assign(translationData[lang], data.messages)
  }
})