Function createTimerTrigger

packages/compiler/src/render3/r3_deferred_triggers.ts:513–539

(
  parameters: ParsedParameter[],
  nameSpan: ParseSourceSpan,
  sourceSpan: ParseSourceSpan,
  prefetchSpan: ParseSourceSpan | null,
  onSourceSpan: ParseSourceSpan | null,
  hydrateSpan: ParseSourceSpan | null,
)

}

function createTimerTrigger(
  parameters: ParsedParameter[],
  nameSpan: ParseSourceSpan,
  sourceSpan: ParseSourceSpan,
  prefetchSpan: ParseSourceSpan | null,
  onSourceSpan: ParseSourceSpan | null,
  hydrateSpan: ParseSourceSpan | null,
) {
  if (parameters.length !== 1) {
    throw new Error(`"${OnTriggerType.TIMER}" trigger must have exactly one parameter`);
  }

  const delay = parseDeferredTime(parameters[0].expression);

  if (delay === null) {
    throw new Error(`Could not parse time value of trigger "${OnTriggerType.TIMER}"`);
  }

  return new t.TimerDeferredTrigger(
    delay,
    nameSpan,
    sourceSpan,
    prefetchSpan,
    onSourceSpan,
    hydrateSpan,
  );
}

function createImmediateTrigger(
  parameters: ParsedParameter[],