Function buildModel

javascript/selenium-webdriver/generate_bidi.mjs:630–654

* Build the binding-neutral model from the AST. Type refs are CDDL names. * Shape per domain key: * { commands: [{ method, name, params, result }], * events: [{ method, name, params }] } * `params`/`result` are null when there are no params / no return value.

(ast)

 * `params`/`result` are null when there are no params / no return value.
 */
function buildModel(ast) {
  const model = {}
  const resultTypes = buildResultTypeNames(ast)
  const ensure = (domain) => (model[domain] ??= { commands: [], events: [] })

  for (const c of extractCommands(ast)) {
    const result = c.cddlName + 'Result'
    ensure(c.domain).commands.push({
      method: c.methodStr,
      name: c.methodName,
      params: c.hasParams ? c.paramsCddl : null,
      result: resultTypes.has(result) ? result : null,
    })
  }

  for (const e of extractEvents(ast)) {
    ensure(e.domain).events.push({
      method: e.methodStr,
      name: e.eventName,
      params: e.paramsCddl || null,
    })
  }

  return model
}

/** Result type names the spec defines with a value; an absent or `EmptyResult`-aliased result is void. */
function buildResultTypeNames(ast) {