serverless/lib/cli/render-help/options.js

import utils from '@serverlessinc/sf-core/src/utils.js'
const { writeText, style } = utils

export default (commandOptions) => {
  const indentFillLength = 40

  for (const [option, optionsObject] of Object.entries(commandOptions)) {
    let legacyOptionsIndentFill = '.'.repeat(
      Math.max(indentFillLength - option.length, 0),
    )
    let optionsIndentFill = ' '.repeat(
      Math.max(indentFillLength - option.length - 4, 0),
    )

    if (optionsObject.required) {
      legacyOptionsIndentFill = legacyOptionsIndentFill.slice(
        0,
        legacyOptionsIndentFill.length - 18,
      )
      optionsIndentFill = optionsIndentFill.slice(
        0,
        optionsIndentFill.length - 18,
      )
    } else {
      legacyOptionsIndentFill = legacyOptionsIndentFill.slice(
        0,
        legacyOptionsIndentFill.length - 7,
      )
      optionsIndentFill = optionsIndentFill.slice(
        0,
        optionsIndentFill.length - 7,
      )
    }
    if (optionsObject.shortcut) {
      legacyOptionsIndentFill = legacyOptionsIndentFill.slice(
        0,
        legacyOptionsIndentFill.length - 5,
      )
      optionsIndentFill = optionsIndentFill.slice(
        0,
        optionsIndentFill.length - 5,
      )
    }

    let shortcutInfo = ''
    let requiredInfo = ''
    if (optionsObject.shortcut) shortcutInfo = ` / -${optionsObject.shortcut}`

    if (optionsObject.required) requiredInfo = ' (required)'

    const optionsUsage = optionsObject.usage
      ? optionsIndentFill + style.aside(optionsObject.usage)
      : ''
    writeText(`  --${option}${shortcutInfo}${requiredInfo} ${optionsUsage}`)
  }
}