@storybook/semver/classes/semver.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.concat");

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

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

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

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/es.string.split");

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

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

var _require = require('../internal/constants'),
    MAX_LENGTH = _require.MAX_LENGTH,
    MAX_SAFE_INTEGER = _require.MAX_SAFE_INTEGER;

var _require2 = require('../internal/re'),
    re = _require2.re,
    t = _require2.t;

var _require3 = require('../internal/identifiers'),
    compareIdentifiers = _require3.compareIdentifiers;

var SemVer = /*#__PURE__*/function () {
  function SemVer(version, options) {
    _classCallCheck(this, SemVer);

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

    if (version instanceof SemVer) {
      if (version.loose === !!options.loose && version.includePrerelease === !!options.includePrerelease) {
        return version;
      } else {
        version = version.version;
      }
    } else if (typeof version !== 'string') {
      throw new TypeError("Invalid Version: ".concat(version));
    }

    if (version.length > MAX_LENGTH) {
      throw new TypeError("version is longer than ".concat(MAX_LENGTH, " characters"));
    }

    debug('SemVer', version, options);
    this.options = options;
    this.loose = !!options.loose; // this isn't actually relevant for versions, but keep it so that we
    // don't run into trouble passing this.options around.

    this.includePrerelease = !!options.includePrerelease;
    var m = version.trim().match(options.loose ? re[t.LOOSE] : re[t.FULL]);

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

    this.raw = version; // these are actually numbers

    this.major = +m[1];
    this.minor = +m[2];
    this.patch = +m[3];

    if (this.major > MAX_SAFE_INTEGER || this.major < 0) {
      throw new TypeError('Invalid major version');
    }

    if (this.minor > MAX_SAFE_INTEGER || this.minor < 0) {
      throw new TypeError('Invalid minor version');
    }

    if (this.patch > MAX_SAFE_INTEGER || this.patch < 0) {
      throw new TypeError('Invalid patch version');
    } // numberify any prerelease numeric ids


    if (!m[4]) {
      this.prerelease = [];
    } else {
      this.prerelease = m[4].split('.').map(function (id) {
        if (/^[0-9]+$/.test(id)) {
          var num = +id;

          if (num >= 0 && num < MAX_SAFE_INTEGER) {
            return num;
          }
        }

        return id;
      });
    }

    this.build = m[5] ? m[5].split('.') : [];
    this.format();
  }

  _createClass(SemVer, [{
    key: "format",
    value: function format() {
      this.version = "".concat(this.major, ".").concat(this.minor, ".").concat(this.patch);

      if (this.prerelease.length) {
        this.version += "-".concat(this.prerelease.join('.'));
      }

      return this.version;
    }
  }, {
    key: "toString",
    value: function toString() {
      return this.version;
    }
  }, {
    key: "compare",
    value: function compare(other) {
      debug('SemVer.compare', this.version, this.options, other);

      if (!(other instanceof SemVer)) {
        if (typeof other === 'string' && other === this.version) {
          return 0;
        }

        other = new SemVer(other, this.options);
      }

      if (other.version === this.version) {
        return 0;
      }

      return this.compareMain(other) || this.comparePre(other);
    }
  }, {
    key: "compareMain",
    value: function compareMain(other) {
      if (!(other instanceof SemVer)) {
        other = new SemVer(other, this.options);
      }

      return compareIdentifiers(this.major, other.major) || compareIdentifiers(this.minor, other.minor) || compareIdentifiers(this.patch, other.patch);
    }
  }, {
    key: "comparePre",
    value: function comparePre(other) {
      if (!(other instanceof SemVer)) {
        other = new SemVer(other, this.options);
      } // NOT having a prerelease is > having one


      if (this.prerelease.length && !other.prerelease.length) {
        return -1;
      } else if (!this.prerelease.length && other.prerelease.length) {
        return 1;
      } else if (!this.prerelease.length && !other.prerelease.length) {
        return 0;
      }

      var i = 0;

      do {
        var a = this.prerelease[i];
        var b = other.prerelease[i];
        debug('prerelease compare', i, a, b);

        if (a === undefined && b === undefined) {
          return 0;
        } else if (b === undefined) {
          return 1;
        } else if (a === undefined) {
          return -1;
        } else if (a === b) {
          continue;
        } else {
          return compareIdentifiers(a, b);
        }
      } while (++i);
    }
  }, {
    key: "compareBuild",
    value: function compareBuild(other) {
      if (!(other instanceof SemVer)) {
        other = new SemVer(other, this.options);
      }

      var i = 0;

      do {
        var a = this.build[i];
        var b = other.build[i];
        debug('prerelease compare', i, a, b);

        if (a === undefined && b === undefined) {
          return 0;
        } else if (b === undefined) {
          return 1;
        } else if (a === undefined) {
          return -1;
        } else if (a === b) {
          continue;
        } else {
          return compareIdentifiers(a, b);
        }
      } while (++i);
    } // preminor will bump the version up to the next minor release, and immediately
    // down to pre-release. premajor and prepatch work the same way.

  }, {
    key: "inc",
    value: function inc(release, identifier) {
      switch (release) {
        case 'premajor':
          this.prerelease.length = 0;
          this.patch = 0;
          this.minor = 0;
          this.major++;
          this.inc('pre', identifier);
          break;

        case 'preminor':
          this.prerelease.length = 0;
          this.patch = 0;
          this.minor++;
          this.inc('pre', identifier);
          break;

        case 'prepatch':
          // If this is already a prerelease, it will bump to the next version
          // drop any prereleases that might already exist, since they are not
          // relevant at this point.
          this.prerelease.length = 0;
          this.inc('patch', identifier);
          this.inc('pre', identifier);
          break;
        // If the input is a non-prerelease version, this acts the same as
        // prepatch.

        case 'prerelease':
          if (this.prerelease.length === 0) {
            this.inc('patch', identifier);
          }

          this.inc('pre', identifier);
          break;

        case 'major':
          // If this is a pre-major version, bump up to the same major version.
          // Otherwise increment major.
          // 1.0.0-5 bumps to 1.0.0
          // 1.1.0 bumps to 2.0.0
          if (this.minor !== 0 || this.patch !== 0 || this.prerelease.length === 0) {
            this.major++;
          }

          this.minor = 0;
          this.patch = 0;
          this.prerelease = [];
          break;

        case 'minor':
          // If this is a pre-minor version, bump up to the same minor version.
          // Otherwise increment minor.
          // 1.2.0-5 bumps to 1.2.0
          // 1.2.1 bumps to 1.3.0
          if (this.patch !== 0 || this.prerelease.length === 0) {
            this.minor++;
          }

          this.patch = 0;
          this.prerelease = [];
          break;

        case 'patch':
          // If this is not a pre-release version, it will increment the patch.
          // If it is a pre-release it will bump up to the same patch version.
          // 1.2.0-5 patches to 1.2.0
          // 1.2.0 patches to 1.2.1
          if (this.prerelease.length === 0) {
            this.patch++;
          }

          this.prerelease = [];
          break;
        // This probably shouldn't be used publicly.
        // 1.0.0 'pre' would become 1.0.0-0 which is the wrong direction.

        case 'pre':
          if (this.prerelease.length === 0) {
            this.prerelease = [0];
          } else {
            var i = this.prerelease.length;

            while (--i >= 0) {
              if (typeof this.prerelease[i] === 'number') {
                this.prerelease[i]++;
                i = -2;
              }
            }

            if (i === -1) {
              // didn't increment anything
              this.prerelease.push(0);
            }
          }

          if (identifier) {
            // 1.2.0-beta.1 bumps to 1.2.0-beta.2,
            // 1.2.0-beta.fooblz or 1.2.0-beta bumps to 1.2.0-beta.0
            if (this.prerelease[0] === identifier) {
              if (isNaN(this.prerelease[1])) {
                this.prerelease = [identifier, 0];
              }
            } else {
              this.prerelease = [identifier, 0];
            }
          }

          break;

        default:
          throw new Error("invalid increment argument: ".concat(release));
      }

      this.format();
      this.raw = this.version;
      return this;
    }
  }]);

  return SemVer;
}();

module.exports = SemVer;