import { IDirectiveParser } from "./IDirectiveParser";

// object with all directive parser
const directiveParser: IDirectiveParser = {};
// register directive parser
export function registerDirectiveParser(
  directiveNameInLowerCase: string,
  fn: (gQlDirectiveNode, dbMetaNode, refDbMeta, refDbMetaCurrentTable, refDbMetaCurrentTableColumn) => void
): void {
  directiveParser[directiveNameInLowerCase] = fn;
}

// return currently registered parser
export function getDirectiveParser(directiveName?: string): IDirectiveParser | any {
  return directiveName != null ? directiveParser[directiveName] : directiveParser;
}