@codersvn/npm-auto-version/dist/src/app/Services/Parser.js

This script is used to automatically generate new NPM versions when publishing.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Parser = undefined;

var _stringify = require('babel-runtime/core-js/json/stringify');

var _stringify2 = _interopRequireDefault(_stringify);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _semver = require('semver');

var _semver2 = _interopRequireDefault(_semver);

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var Version = function () {
  function Version(data) {
    (0, _classCallCheck3.default)(this, Version);

    this.major = data.major;
    this.minor = data.minor;
    this.patch = data.patch;
  }

  (0, _createClass3.default)(Version, [{
    key: 'toString',
    value: function toString() {
      return [this.major, this.minor, this.patch].join('.');
    }
  }, {
    key: 'increase',
    value: function increase() {
      var type = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'patch';

      return _semver2.default.inc(this.toString(), type);
    }
  }]);
  return Version;
}();

var Parser = exports.Parser = function () {
  function Parser(file_path) {
    (0, _classCallCheck3.default)(this, Parser);

    this.file_path = file_path;
  }

  (0, _createClass3.default)(Parser, [{
    key: 'getPackageVersion',
    value: function getPackageVersion() {
      var version = void 0;
      try {
        version = require(this.file_path).version;
      } catch (e) {
        throw new Error('Could not load package.json, please make sure it exists');
      }

      if (!_semver2.default.valid(version)) {
        throw new Error('Invalid version number found in package.json, please make sure it is valid');
      }

      return new Version({ major: _semver2.default.major(version), minor: _semver2.default.minor(version), patch: _semver2.default.patch(version) });
    }

    /**
     * Updates the package.json with the new version number
     * @method writePackageVersion
     * @param  {String} newVersion New version string MAJOR.MINOR.PATCH
     */

  }, {
    key: 'writePackageVersion',
    value: function writePackageVersion(newVersion) {
      var raw = require(this.file_path);

      raw.version = newVersion;

      _fs2.default.writeFileSync(this.file_path, (0, _stringify2.default)(raw, null, 2));
    }
  }]);
  return Parser;
}();