@coorpacademy/progression-engine/es/rule-engine/condition-operators.js

import gt from 'lodash/fp/gt';
import isEqual from 'lodash/fp/isEqual';
import lt from 'lodash/fp/lt';
import negate from 'lodash/fp/negate';
import sortBy from 'lodash/fp/sortBy';

const IN = (expectedValues, value) => {
  return expectedValues.some(isEqual(value));
};

const NOT_IN = negate(IN);

const EQUALS = (expectedValues, value) => {
  return isEqual(expectedValues[0])(value);
};

const NOT_EQUALS = negate(EQUALS);

const LT = (expectedValues, value) => {
  return lt(value)(expectedValues[0]);
};

const GT = (expectedValues, value) => {
  return gt(value)(expectedValues[0]);
};

const LTE = negate(GT);
const GTE = negate(LT);

const BETWEEN = (expectedValues, value) => {
  const [min, max] = sortBy(v => v)(expectedValues);
  return GTE([min], value) && LTE([max], value);
};

const NOT_BETWEEN = negate(BETWEEN);

const operators = {
  BETWEEN,
  EQUALS,
  GT,
  GTE,
  IN,
  LT,
  LTE,
  NOT_BETWEEN,
  NOT_EQUALS,
  NOT_IN
};

const checkCondition = (operatorKey, expectedValues, value) => {
  if (value === null || value === undefined) return false;
  return operators[operatorKey](expectedValues, value);
};

export default checkCondition;
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