@splitsoftware/splitio-commons/src/evaluator/matchers/index.ts

Split JavaScript SDK common components

import { allMatcherContext } from './all';
import { segmentMatcherContext } from './segment';
import { largeSegmentMatcherContext } from './large_segment';
import { whitelistMatcherContext } from './whitelist';
import { equalToMatcherContext } from './eq';
import { greaterThanEqualMatcherContext } from './gte';
import { lessThanEqualMatcherContext } from './lte';
import { betweenMatcherContext } from './between';
import { equalToSetMatcherContext } from './eq_set';
import { containsAnySetMatcherContext } from './cont_any';
import { containsAllSetMatcherContext } from './cont_all';
import { partOfSetMatcherContext } from './part_of';
import { endsWithMatcherContext } from './ew';
import { startsWithMatcherContext } from './sw';
import { containsStringMatcherContext } from './cont_str';
import { dependencyMatcherContext } from './dependency';
import { booleanMatcherContext } from './boolean';
import { stringMatcherContext } from './string';
import { equalToSemverMatcherContext } from './semver_eq';
import { greaterThanEqualToSemverMatcherContext } from './semver_gte';
import { lessThanEqualToSemverMatcherContext } from './semver_lte';
import { betweenSemverMatcherContext } from './semver_between';
import { inListSemverMatcherContext } from './semver_inlist';
import { IStorageAsync, IStorageSync } from '../../storages/types';
import { IMatcher, IMatcherDto } from '../types';
import { ILogger } from '../../logger/types';
import { ruleBasedSegmentMatcherContext } from './rbsegment';

const matchers = [
  undefined, // UNDEFINED: 0
  allMatcherContext, // ALL_KEYS: 1
  segmentMatcherContext, // IN_SEGMENT: 2
  whitelistMatcherContext, // WHITELIST: 3
  equalToMatcherContext, // EQUAL_TO: 4
  greaterThanEqualMatcherContext, // GREATER_THAN_OR_EQUAL_TO: 5
  lessThanEqualMatcherContext, // LESS_THAN_OR_EQUAL_TO: 6
  betweenMatcherContext, // BETWEEN: 7
  equalToSetMatcherContext, // EQUAL_TO_SET: 8
  containsAnySetMatcherContext, // CONTAINS_ANY_OF_SET: 9
  containsAllSetMatcherContext, // CONTAINS_ALL_OF_SET: 10
  partOfSetMatcherContext, // PART_OF_SET: 11
  endsWithMatcherContext, // ENDS_WITH: 12
  startsWithMatcherContext, // STARTS_WITH: 13
  containsStringMatcherContext, // CONTAINS_STRING: 14
  dependencyMatcherContext, // IN_SPLIT_TREATMENT: 15
  booleanMatcherContext, // EQUAL_TO_BOOLEAN: 16
  stringMatcherContext, // MATCHES_STRING: 17
  equalToSemverMatcherContext, // EQUAL_TO_SEMVER: 18
  greaterThanEqualToSemverMatcherContext, // GREATER_THAN_OR_EQUAL_TO_SEMVER: 19
  lessThanEqualToSemverMatcherContext, // LESS_THAN_OR_EQUAL_TO_SEMVER: 20
  betweenSemverMatcherContext, // BETWEEN_SEMVER: 21
  inListSemverMatcherContext, // IN_LIST_SEMVER: 22
  largeSegmentMatcherContext, // IN_LARGE_SEGMENT: 23
  ruleBasedSegmentMatcherContext // IN_RULE_BASED_SEGMENT: 24
];

/**
 * Matcher factory.
 */
export function matcherFactory(log: ILogger, matcherDto: IMatcherDto, storage?: IStorageSync | IStorageAsync): IMatcher | undefined {
  let {
    type,
    value
  } = matcherDto;

  let matcherFn;
  // @ts-ignore
  if (matchers[type]) matcherFn = matchers[type](value, storage, log); // There is no index-out-of-bound exception in JavaScript
  return matcherFn as IMatcher;
}