does-item-exist-with-title.ts

import { searchItems } from "@esri/arcgis-rest-portal";
import { IAuthenticationManager } from "@esri/arcgis-rest-request";

/**
 * Check if a site/page exists with a specific name
 */
export function doesItemExistWithTitle(
  itemTitle: string,
  options: Record<string, string>,
  authMgr: IAuthenticationManager
) {
  // if options have multiple properties, put them into one string separated with 'AND'
  const optionsQuery = Object.keys(options)
    .map(key => {
      return `${key}:"${options[key]}"`;
    })
    .join(" AND ");
  const opts = {
    q: `title:"${itemTitle}" AND ${optionsQuery}`,
    authentication: authMgr
  };
  return searchItems(opts)
    .then(searchResponse => searchResponse.results.length > 0)
    .catch(e => {
      throw Error(`Error in doesItemExistWithTitle ${e}`);
    });
}