cheetah-framework/js/framework/components/QueryBuilder/utils/QueryBuilderHelper.js

Cheetah Framework JS used in all our applications

const BUILDER_OPERATORS = {
  EQUAL: '=',
  NOT_EQUAL: '<>',
  LIKE: 'like',
  NOT_LIKE: 'not_like',
  IN: 'in',
  NOT_IN: 'not_in',
  LT: '<',
  LTE: '<=',
  GT: '>',
  GTE: '>=',
  NULL: 'null',
  NOT_NULL: 'not_null',
  EXIST: 'exist',
  NOT_EXIST: 'not_exist',
  COUNT: 'count',
  MAX: 'max',
  MIN: 'min'
}

const RELATION_TYPE_OPERATORS = {
  WITH: 'with',
  WITHOUT: 'without'
}

const OPERATORS = {
  AND: 'and',
  OR: 'or'
}

class QueryBuilderHelper {
  constructor () {
    this.operatorToValueComponentMap = null
  }

  registerComponentMap () {
    if (this.operatorToValueComponentMap !== null) {
      return
    }

    // Here we use require to fix circular dependency issues
    const BaseValueComponent = require('@cheetah/components/QueryBuilder/value/Base').default
    const ArrayableValueComponent = require('@cheetah/components/QueryBuilder/value/Arrayable').default
    const AggregatorValueComponent = require('@cheetah/components/QueryBuilder/value/Aggregator').default

    this.operatorToValueComponentMap = {
      [BUILDER_OPERATORS.EQUAL]: BaseValueComponent,
      [BUILDER_OPERATORS.NOT_EQUAL]: BaseValueComponent,
      [BUILDER_OPERATORS.LIKE]: BaseValueComponent,
      [BUILDER_OPERATORS.NOT_LIKE]: BaseValueComponent,
      [BUILDER_OPERATORS.IN]: ArrayableValueComponent,
      [BUILDER_OPERATORS.NOT_IN]: ArrayableValueComponent,
      [BUILDER_OPERATORS.LT]: BaseValueComponent,
      [BUILDER_OPERATORS.LTE]: BaseValueComponent,
      [BUILDER_OPERATORS.GT]: BaseValueComponent,
      [BUILDER_OPERATORS.GTE]: BaseValueComponent,
      [BUILDER_OPERATORS.NULL]: null,
      [BUILDER_OPERATORS.NOT_NULL]: null,
      [BUILDER_OPERATORS.COUNT]: AggregatorValueComponent,
      [BUILDER_OPERATORS.EXIST]: null,
      [BUILDER_OPERATORS.NOT_EXIST]: null,
      [BUILDER_OPERATORS.MAX]: AggregatorValueComponent,
      [BUILDER_OPERATORS.MIN]: AggregatorValueComponent
    }
  }

  getValueComponent (criterion) {
    this.registerComponentMap()

    return this.operatorToValueComponentMap[criterion.builder_operator]
  }
}

export default new QueryBuilderHelper()

export {
  OPERATORS,
  BUILDER_OPERATORS,
  RELATION_TYPE_OPERATORS
}