Function parseLeafDef

javascript/selenium-webdriver/generate_bidi.mjs:510–535

Extract {domain, methodStr, operationName, paramsCddl} from a command/event leaf def.

(def)

/** Extract {domain, methodStr, operationName, paramsCddl} from a command/event leaf def. */
function parseLeafDef(def) {
  const flatProps = (def.Properties ?? []).flatMap((p) => (Array.isArray(p) ? p : [p]))

  const methodProp = flatProps.find((p) => p.Name === 'method')
  const paramsProp = flatProps.find((p) => p.Name === 'params')
  if (!methodProp || !paramsProp) return null

  const methodLiteral = Array.isArray(methodProp.Type) ? methodProp.Type : [methodProp.Type]
  if (methodLiteral[0]?.Type !== 'literal') return null

  const methodStr = methodLiteral[0].Value // e.g. "browser.createUserContext"
  const dotIdx = methodStr.indexOf('.')
  if (dotIdx === -1) return null

  const domainRaw = methodStr.slice(0, dotIdx)
  const operationName = methodStr.slice(dotIdx + 1)
  const domain = METHOD_DOMAIN_MAP[domainRaw] ?? 'common'

  const paramsTypeEntries = Array.isArray(paramsProp.Type) ? paramsProp.Type : [paramsProp.Type]
  let paramsCddl = null
  if (paramsTypeEntries[0]?.Type === 'group' && paramsTypeEntries[0]?.Value) {
    paramsCddl = paramsTypeEntries[0].Value
  }

  return { domain, methodStr, operationName, paramsCddl }
}

/**
 * Collect all leaf command/event names from every XxxCommand / XxxEvent