babel-angular/lib/common.js

Helper library for using classes to create Angular services, components, controllers, etc using ES6 classes

'use strict';

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

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 _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; desc = parent = getter = undefined; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

exports.toCamelCase = toCamelCase;
exports.inject = inject;
exports.injectDependencies = injectDependencies;

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

function _inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) subClass.__proto__ = superClass; }

function toCamelCase(name) {
  name = name.replace(/\_([a-zA-Z])/g, function (x) {
    return x.replace('_', '').toUpperCase();
  });
  return '' + name[0].toLowerCase() + name.slice(1);
}

/**
 * Injects dependencies into a class
 * @param {Function} target - Class target
 * @param {Array} target.$inject - array of injections
 * @param {Function} target.handleInjections - Injects dependency parameters into the scope
 * @param {Array} dependencies - Array of dependencies to inject
 * @returns {DependencyInjection}
 */
function commonInject(target, dependencies) {
  // Instantiate the $inject member.
  target.$inject = target.$inject || [];
  // Add dependencies to $inject member if they are not yet there.
  var _iteratorNormalCompletion = true;
  var _didIteratorError = false;
  var _iteratorError = undefined;

  try {
    for (var _iterator = dependencies[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
      var dependency = _step.value;

      if (target.$inject.indexOf(dependency) === -1) {
        target.$inject.push(dependency);
      }
    }
  } catch (err) {
    _didIteratorError = true;
    _iteratorError = err;
  } finally {
    try {
      if (!_iteratorNormalCompletion && _iterator['return']) {
        _iterator['return']();
      }
    } finally {
      if (_didIteratorError) {
        throw _iteratorError;
      }
    }
  }

  if (!target.prototype.handleInjections) {
    /**
     * @class DependencyInjection
     * Contains the required functions and hook necessary to register dependencies.
     * The super() chain will instantiate all dependencies on this.
     */
    return (function (_target) {

      /**
       * Pass along the arguments to the target and call the handleInjections method.
       * @param {Array} args - Array of arguments
       */

      function DependencyInjection() {
        _classCallCheck(this, DependencyInjection);

        for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
          args[_key] = arguments[_key];
        }

        _get(Object.getPrototypeOf(DependencyInjection.prototype), 'constructor', this).apply(this, args);
        this.handleInjections(args);
      }

      _inherits(DependencyInjection, _target);

      _createClass(DependencyInjection, [{
        key: 'handleInjections',

        /**
         * Loop through parameters and add them to the scope/this.
         * @param {Array} parameters
         */
        value: function handleInjections(parameters) {
          var _this = this;

          parameters.forEach(function (param, idx) {
            _this[_this.constructor.$inject[idx]] = param;
          });
        }
      }]);

      return DependencyInjection;
    })(target);
  }
}

/**
 * Decorator to inject dependencies into angular components.
 * @param dependencies
 * @returns {Function}
 */

function inject(dependencies) {
  /**
   * @var {Object} target
   */
  return function (target) {
    return commonInject(target, dependencies);
  };
}

/**
 * Non ES7 way of doing the same thing, Just call injectInto(className, [depencency array]);
 * @param target
 * @param dependencies
 * @returns {*}
 */

function injectDependencies(target, dependencies) {
  return commonInject(target, dependencies);
}