marklogic/lib/optional.js

The official MarkLogic Node.js client API.

/*
 * Copyright (c) 2020 MarkLogic Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict';

function library(libname) {
  if (libname == null) {
    return null;
  }
  try {
    return require(libname);
  } catch(e) {
    return null;
  }
}
function libraryProperty(libname, propertyName) {
  var lib = library(libname);
  if (lib == null) {
    return null;
  }
  return lib[propertyName];
}

module.exports = {
    library:         library,
    libraryProperty: libraryProperty
};