clustery/dist/index.js

A node cluster manager

'use strict';

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

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _cluster = require('cluster');

var _cluster2 = _interopRequireDefault(_cluster);

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

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

var getContext = function getContext() {
  if (_cluster2.default.isMaster) {
    return {
      processType: 'master'
    };
  }

  return {
    processType: 'worker',
    workerId: process.env.CLUSTERY_WORKER_ID
  };
};

var master = function master(instance) {
  instance.clusterMap.forEach(function (id, index) {
    var worker = _cluster2.default.fork({ CLUSTERY_WORKER_ID: id });
  });
};

var init = function init(instance) {
  if (_cluster2.default.isMaster) master(instance);
};

var _class = function () {
  function _class(map, options) {
    var _this = this;

    _classCallCheck(this, _class);

    this.clusterMap = map;
    this.context = getContext();
    this.options = _extends({
      prefix: 'clusteryMessage: ',
      identifierDelimiter: ':'
    }, options);

    // Makes sure we can safely register all our events before we start
    // our cluster
    process.nextTick(function () {
      return init(_this);
    });
  }

  _createClass(_class, [{
    key: 'whichWorker',
    value: function whichWorker() {
      if (_cluster2.default.isMaster) return;
      var context = getContext();
      if (!context.workerId) return;
      return context.workerId;
    }
  }, {
    key: 'is',
    value: function is(processType, workerId) {
      var context = getContext();
      if (context.processType !== processType.toLowerCase()) {
        return false;
      }
      if (workerId && context.workerId !== workerId) {
        return false;
      }
      return true;
    }
  }, {
    key: 'which',
    value: function which() {
      return this.whichWorker();
    }
  }]);

  return _class;
}();

exports.default = _class;
module.exports = exports['default'];