Function createIdleTrigger

packages/compiler/src/render3/r3_deferred_triggers.ts:483–511

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

}

function createIdleTrigger(
  parameters: ParsedParameter[],
  nameSpan: ParseSourceSpan,
  sourceSpan: ParseSourceSpan,
  prefetchSpan: ParseSourceSpan | null,
  onSourceSpan: ParseSourceSpan | null,
  hydrateSpan: ParseSourceSpan | null,
): t.IdleDeferredTrigger {
  if (parameters.length > 1) {
    throw new Error(`"${OnTriggerType.IDLE}" trigger can only have zero or one parameters`);
  }

  let timeout: number | null = null;
  if (parameters[0]) {
    timeout = parseDeferredTime(parameters[0].expression);
    if (timeout === null) {
      throw new Error(`Could not parse time value of trigger "${OnTriggerType.IDLE}"`);
    }
  }

  return new t.IdleDeferredTrigger(
    nameSpan,
    sourceSpan,
    prefetchSpan,
    onSourceSpan,
    hydrateSpan,
    timeout,
  );
}

function createTimerTrigger(
  parameters: ParsedParameter[],