@barchart/common-js/dist/cjs/specifications/Specification.js

Library of common JavaScript utilities

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var Specification_exports = {};
__export(Specification_exports, {
  And: () => And,
  Not: () => Not,
  Or: () => Or,
  default: () => Specification
});
module.exports = __toCommonJS(Specification_exports);
var assert = __toESM(require("./../lang/assert.js"));
class Specification {
  constructor() {
  }
  /**
   * Evaluates the specification, returning true or false.
   *
   * @public
   * @param {*=} data
   * @returns {boolean}
   */
  evaluate(data) {
    return this._evaluate(data);
  }
  /**
   * @protected
   * @param {*=} data
   * @returns {boolean}
   */
  _evaluate(data) {
    return false;
  }
  /**
   * Wraps the current instance and another {@link Specification} into a new
   * specification which only evaluates to true when both wrapped specifications
   * evaluate to true.
   *
   * @public
   * @param {Specification} other
   * @returns {And}
   */
  and(other) {
    assert.argumentIsRequired(other, "other", Specification, "Specification");
    return new And(this, other);
  }
  /**
   * Wraps the current instance and another {@link Specification} into a new
   * specification which only evaluates to true when either of the wrapped
   * specifications evaluate to true.
   *
   * @public
   * @param {Specification} other
   * @returns {Or}
   */
  or(other) {
    assert.argumentIsRequired(other, "other", Specification, "Specification");
    return new Or(this, other);
  }
  /**
   * Wraps the current instance in a new {@link Specification} which evaluates
   * to the inverse result of the wrapped specification.
   *
   * @public
   * @returns {Not}
   */
  not() {
    return new Not(this);
  }
  /**
   * Returns a string representation.
   *
   * @public
   * @returns {string}
   */
  toString() {
    return "[Specification]";
  }
}
class And extends Specification {
  #specificationOne;
  #specificationTwo;
  /**
   * @param {Specification} specificationOne
   * @param {Specification} specificationTwo
   */
  constructor(specificationOne, specificationTwo) {
    super();
    assert.argumentIsRequired(specificationOne, "specificationOne", Specification, "Specification");
    assert.argumentIsRequired(specificationTwo, "specificationTwo", Specification, "Specification");
    this.#specificationOne = specificationOne;
    this.#specificationTwo = specificationTwo;
  }
  /**
   * @protected
   * @override
   * @param {*=} data
   * @returns {boolean}
   */
  _evaluate(data) {
    return this.#specificationOne.evaluate(data) && this.#specificationTwo.evaluate(data);
  }
  /**
   * Returns a string representation.
   *
   * @public
   * @returns {string}
   */
  toString() {
    return "[And]";
  }
}
class Or extends Specification {
  #specificationOne;
  #specificationTwo;
  /**
   * @param {Specification} specificationOne
   * @param {Specification} specificationTwo
   */
  constructor(specificationOne, specificationTwo) {
    super();
    assert.argumentIsRequired(specificationOne, "specificationOne", Specification, "Specification");
    assert.argumentIsRequired(specificationTwo, "specificationTwo", Specification, "Specification");
    this.#specificationOne = specificationOne;
    this.#specificationTwo = specificationTwo;
  }
  /**
   * @protected
   * @override
   * @param {*=} data
   * @returns {boolean}
   */
  _evaluate(data) {
    return this.#specificationOne.evaluate(data) || this.#specificationTwo.evaluate(data);
  }
  /**
   * Returns a string representation.
   *
   * @public
   * @returns {string}
   */
  toString() {
    return "[Or]";
  }
}
class Not extends Specification {
  #otherSpecification;
  /**
   * @param {Specification} otherSpecification
   */
  constructor(otherSpecification) {
    super();
    assert.argumentIsRequired(otherSpecification, "otherSpecification", Specification, "Specification");
    this.#otherSpecification = otherSpecification;
  }
  /**
   * @protected
   * @override
   * @param {*=} data
   * @returns {boolean}
   */
  _evaluate(data) {
    return !this.#otherSpecification.evaluate(data);
  }
  /**
   * Returns a string representation.
   *
   * @public
   * @returns {string}
   */
  toString() {
    return "[Not]";
  }
}
Specification.And = And;
Specification.Or = Or;
Specification.Not = Not;

{
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	module.exports = cjsDefaultExport;
}