fluid-chains/dist/chain/ContextFactory.js

A simple way to organize asynchronous Javascript functions.

'use strict';

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

var _ChainContext = require('./ChainContext');

var _ChainContext2 = _interopRequireDefault(_ChainContext);

var _ChainSpec = require('./ChainSpec');

var _ChainSpec2 = _interopRequireDefault(_ChainSpec);

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

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

var CreateErrorContext = exports.CreateErrorContext = function CreateErrorContext(name, errorFrom, err, next) {
  var context = new _ChainContext2.default();
  context.addValidator(new _ChainSpec2.default('$err', true));
  context.addValidator(new _ChainSpec2.default('$errorMessage', true));
  context.addValidator(new _ChainSpec2.default('$errorFrom', true));
  context.addValidator(new _ChainSpec2.default('$owner', true));
  context.addValidator(new _ChainSpec2.default('$responseTime', false));
  context.set('$owner', name);
  context.set('$err', err);
  context.set('$errorMessage', err.message);
  context.set('$errorFrom', errorFrom);
  context.set('$next', next);
  return context;
};

var ConvertToContext = exports.ConvertToContext = function ConvertToContext(param) {
  if (!(param instanceof _ChainContext2.default)) {
    var context = new _ChainContext2.default();
    context.addValidator(new _ChainSpec2.default('$owner', false, undefined, true));
    if (param) {
      _lodash2.default.forIn(param, function (val, key) {
        context.addValidator(new _ChainSpec2.default(key, false, undefined, true));
        if (val instanceof Function) {
          throw new Error('Param must not contain functions');
        }
        context.set(key, val);
      });
    }
    return context;
  }
  return param;
};

var CreateContext = exports.CreateContext = function CreateContext(original, name, next, error) {
  original.addValidator(new _ChainSpec2.default('$next', false, undefined, true));
  original.addValidator(new _ChainSpec2.default('$error', false, undefined, true));
  original.addValidator(new _ChainSpec2.default('$owner', false, undefined, true));
  var context = original.clone();
  if (name && !context.$owner) {
    context.set('$owner', name);
  }
  if (error && !context.$error) {
    context.set('$error', error);
  }
  if (next && !context.$next) {
    context.set('$next', next);
  }
  return context;
};