elliptical/lib-node/unique.js

Interactive natural-language interfaces

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.checkAgainstUniqueSet = checkAgainstUniqueSet;
exports.checkAgainstResultList = checkAgainstResultList;
exports.addToUniqueSet = addToUniqueSet;

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

var _jsonStableStringify = require('json-stable-stringify');

var _jsonStableStringify2 = _interopRequireDefault(_jsonStableStringify);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const unique = Symbol.for('lacona-unique-key');

exports.default = unique;


function getUniqueValue(result) {
  if (!_lodash2.default.isObject(result)) {
    return result;
  } else if (result[unique] != null) {
    if (_lodash2.default.isFunction(result[unique])) {
      return result[unique](result);
    } else {
      return result[unique];
    }
  } else {
    return (0, _jsonStableStringify2.default)(result);
  }
}

function checkAgainstUniqueSet(uniqueSet) {
  for (var _len = arguments.length, results = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    results[_key - 1] = arguments[_key];
  }

  return !_lodash2.default.chain(results).reject(result => result == null).map(getUniqueValue).every(value => uniqueSet.has(value)).value();
}

function checkAgainstResultList(resultList) {
  for (var _len2 = arguments.length, results = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
    results[_key2 - 1] = arguments[_key2];
  }

  return !_lodash2.default.chain(results).reject(result => result == null).map(getUniqueValue).every(value => _lodash2.default.some(resultList, compareResult => getUniqueValue(compareResult) === value)).value();
}

function addToUniqueSet(uniqueSet) {
  for (var _len3 = arguments.length, results = Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
    results[_key3 - 1] = arguments[_key3];
  }

  _lodash2.default.chain(results).reject(result => result == null).map(getUniqueValue).forEach(value => {
    uniqueSet.add(value);
  }).value();
}