Function trackTrigger

packages/compiler/src/render3/r3_deferred_triggers.ts:470–481

Adds a trigger to a map of triggers.

(
  name: keyof t.DeferredBlockTriggers,
  allTriggers: t.DeferredBlockTriggers,
  errors: ParseError[],
  trigger: t.DeferredTrigger,
)

/** Adds a trigger to a map of triggers. */
function trackTrigger(
  name: keyof t.DeferredBlockTriggers,
  allTriggers: t.DeferredBlockTriggers,
  errors: ParseError[],
  trigger: t.DeferredTrigger,
) {
  if (allTriggers[name]) {
    errors.push(new ParseError(trigger.sourceSpan, `Duplicate "${name}" trigger is not allowed`));
  } else {
    allTriggers[name] = trigger as any;
  }
}

function createIdleTrigger(
  parameters: ParsedParameter[],