Function resolveComplexPattern

pdfviewer/viewer.mjs:1796–1824

(scope, ptn)

  return getDefault(scope, variants, star);
}
function resolveComplexPattern(scope, ptn) {
  if (scope.dirty.has(ptn)) {
    scope.reportError(new RangeError("Cyclic reference"));
    return new FluentNone();
  }
  scope.dirty.add(ptn);
  const result = [];
  const useIsolating = scope.bundle._useIsolating && ptn.length > 1;
  for (const elem of ptn) {
    if (typeof elem === "string") {
      result.push(scope.bundle._transform(elem));
      continue;
    }
    scope.placeables++;
    if (scope.placeables > MAX_PLACEABLES) {
      scope.dirty.delete(ptn);
      throw new RangeError(`Too many placeables expanded: ${scope.placeables}, ` + `max allowed is ${MAX_PLACEABLES}`);
    }
    if (useIsolating) {
      result.push(FSI);
    }
    result.push(resolveExpression(scope, elem).toString(scope));
    if (useIsolating) {
      result.push(PDI);
    }
  }
  scope.dirty.delete(ptn);
  return result.join("");
}
function resolvePattern(scope, value) {
  if (typeof value === "string") {
    return scope.bundle._transform(value);