@storybook/semver/classes/comparator.js

The semantic version parser used by npm for browser.

"use strict";

require("core-js/modules/es.symbol");

require("core-js/modules/es.symbol.description");

require("core-js/modules/es.symbol.iterator");

require("core-js/modules/es.array.iterator");

require("core-js/modules/es.object.define-property");

require("core-js/modules/es.object.to-string");

require("core-js/modules/es.regexp.exec");

require("core-js/modules/es.string.iterator");

require("core-js/modules/es.string.match");

require("core-js/modules/web.dom-collections.iterator");

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var ANY = Symbol('SemVer ANY'); // hoisted class for cyclic dependency

var Comparator = /*#__PURE__*/function () {
  _createClass(Comparator, null, [{
    key: "ANY",
    get: function get() {
      return ANY;
    }
  }]);

  function Comparator(comp, options) {
    _classCallCheck(this, Comparator);

    if (!options || _typeof(options) !== 'object') {
      options = {
        loose: !!options,
        includePrerelease: false
      };
    }

    if (comp instanceof Comparator) {
      if (comp.loose === !!options.loose) {
        return comp;
      } else {
        comp = comp.value;
      }
    }

    debug('comparator', comp, options);
    this.options = options;
    this.loose = !!options.loose;
    this.parse(comp);

    if (this.semver === ANY) {
      this.value = '';
    } else {
      this.value = this.operator + this.semver.version;
    }

    debug('comp', this);
  }

  _createClass(Comparator, [{
    key: "parse",
    value: function parse(comp) {
      var r = this.options.loose ? re[t.COMPARATORLOOSE] : re[t.COMPARATOR];
      var m = comp.match(r);

      if (!m) {
        throw new TypeError("Invalid comparator: ".concat(comp));
      }

      this.operator = m[1] !== undefined ? m[1] : '';

      if (this.operator === '=') {
        this.operator = '';
      } // if it literally is just '>' or '' then allow anything.


      if (!m[2]) {
        this.semver = ANY;
      } else {
        this.semver = new SemVer(m[2], this.options.loose);
      }
    }
  }, {
    key: "toString",
    value: function toString() {
      return this.value;
    }
  }, {
    key: "test",
    value: function test(version) {
      debug('Comparator.test', version, this.options.loose);

      if (this.semver === ANY || version === ANY) {
        return true;
      }

      if (typeof version === 'string') {
        try {
          version = new SemVer(version, this.options);
        } catch (er) {
          return false;
        }
      }

      return cmp(version, this.operator, this.semver, this.options);
    }
  }, {
    key: "intersects",
    value: function intersects(comp, options) {
      if (!(comp instanceof Comparator)) {
        throw new TypeError('a Comparator is required');
      }

      if (!options || _typeof(options) !== 'object') {
        options = {
          loose: !!options,
          includePrerelease: false
        };
      }

      if (this.operator === '') {
        if (this.value === '') {
          return true;
        }

        return new Range(comp.value, options).test(this.value);
      } else if (comp.operator === '') {
        if (comp.value === '') {
          return true;
        }

        return new Range(this.value, options).test(comp.semver);
      }

      var sameDirectionIncreasing = (this.operator === '>=' || this.operator === '>') && (comp.operator === '>=' || comp.operator === '>');
      var sameDirectionDecreasing = (this.operator === '<=' || this.operator === '<') && (comp.operator === '<=' || comp.operator === '<');
      var sameSemVer = this.semver.version === comp.semver.version;
      var differentDirectionsInclusive = (this.operator === '>=' || this.operator === '<=') && (comp.operator === '>=' || comp.operator === '<=');
      var oppositeDirectionsLessThan = cmp(this.semver, '<', comp.semver, options) && (this.operator === '>=' || this.operator === '>') && (comp.operator === '<=' || comp.operator === '<');
      var oppositeDirectionsGreaterThan = cmp(this.semver, '>', comp.semver, options) && (this.operator === '<=' || this.operator === '<') && (comp.operator === '>=' || comp.operator === '>');
      return sameDirectionIncreasing || sameDirectionDecreasing || sameSemVer && differentDirectionsInclusive || oppositeDirectionsLessThan || oppositeDirectionsGreaterThan;
    }
  }]);

  return Comparator;
}();

module.exports = Comparator;

var _require = require('../internal/re'),
    re = _require.re,
    t = _require.t;

var cmp = require('../functions/cmp');

var debug = require('../internal/debug');

var SemVer = require('./semver');

var Range = require('./range');