Function main

script/search/analyze-text.js:65–120

(opts, args)

main(program.opts(), program.args)

async function main(opts, args) {
  const texts = [args.join(' ')]
  if (!opts.elasticsearchUrl && !process.env.ELASTICSEARCH_URL) {
    throw new Error(
      'Must passed the elasticsearch URL option or ' +
        'set the environment variable ELASTICSEARCH_URL'
    )
  }
  let node = opts.elasticsearchUrl || process.env.ELASTICSEARCH_URL

  // Allow the user to lazily set it to `localhost:9200` for example.
  if (!node.startsWith('http') && !node.startsWith('://') && node.split(':').length === 2) {
    node = `http://${node}`
  }

  try {
    const parsed = new URL(node)
    if (!parsed.hostname) throw new Error('no valid hostname')
  } catch (err) {
    console.error(chalk.bold('URL for Elasticsearch not a valid URL', err))
    return
  }

  const { verbose, language, notLanguage } = opts

  // The notLanguage is useful you want to, for example, index all languages
  // *except* English.
  if (language && notLanguage) {
    throw new Error("Can't combine --language and --not-language")
  }

  if (verbose) {
    console.log(`Connecting to ${chalk.bold(safeUrlDisplay(node))}`)
  }

  const client = new Client({ node })

  // This will throw if it can't ping
  await client.ping()

  const versionKey = opts.version || 'dotcom'
  if (verbose) {
    console.log(`Analyzing on version ${chalk.bold(versionKey)}`)
  }
  const languageKey = opts.language || 'en'
  if (verbose) {
    console.log(`Analyzing on language ${chalk.bold(languageKey)}`)
  }

  const { indexPrefix } = opts
  const prefix = indexPrefix ? `${indexPrefix}_` : ''

  const indexName = `${prefix}github-docs-${versionKey}-${languageKey}`
  console.log(chalk.yellow(`Analyzing in ${chalk.bold(indexName)}`))
  await analyzeVersion(client, texts, indexName, verbose)
}

function safeUrlDisplay(url) {