kepler.gl/dist/components/injector.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.injector = injector;
exports.typeCheckRecipe = typeCheckRecipe;
exports.withState = withState;
exports.ERROR_MSG = void 0;

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _objectWithoutProperties2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutProperties"));

var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));

var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));

var _react = _interopRequireDefault(require("react"));

var _reactRedux = require("react-redux");

var _redux = require("redux");

var _window = require("global/window");

var _context = _interopRequireDefault(require("./context"));

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

var MissingComp = function MissingComp() {
  return _react["default"].createElement("div", null);
};

var ERROR_MSG = {
  wrongRecipeType: "injectComponents takes an array of factories replacement pairs as input, " + "each pair be a array as [originalFactory, replacement].",
  noDep: function noDep(fac, parent) {
    return "".concat(fac.name, " is required as a dependency of ").concat(parent.name, ", ") + "but is not provided to injectComponents. It will not be rendered.";
  },
  notFunc: 'factory and its replacement should be a function'
};
exports.ERROR_MSG = ERROR_MSG;

function injector() {
  var map = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : new Map();
  var cache = new Map(); // map<factory, factory -> ?>

  var get = function get(fac, parent) {
    var factory = map.get(fac); // factory is not injected

    if (!factory) {
      _window.console.error(ERROR_MSG.noDep(fac, parent));

      return MissingComp;
    } // check if custom factory deps is declared


    var instances = cache.get(factory) || factory.apply(void 0, (0, _toConsumableArray2["default"])(factory.deps ? factory.deps.map(function (dep) {
      return get(dep, factory);
    }) : []));
    cache.set(fac, instances);
    return instances;
  }; // if you have two functions that happen to have the exactly same text
  // it will be override: 2018-02-05


  return {
    provide: function provide(factory, replacement) {
      if (!typeCheckRecipe([factory, replacement])) {
        return injector(map);
      }

      return injector(new Map(map).set(factory, replacement));
    },
    get: get
  };
}

function typeCheckRecipe(recipe) {
  if (!Array.isArray(recipe) || recipe.length < 2) {
    _window.console.error('Error injecting [factory, replacement]', recipe);

    _window.console.error(ERROR_MSG.wrongRecipeType);

    return false;
  }

  var _recipe = (0, _slicedToArray2["default"])(recipe, 2),
      factory = _recipe[0],
      replacement = _recipe[1];

  if (typeof factory !== 'function') {
    _window.console.error('Error injecting factory: ', factory);

    _window.console.error(ERROR_MSG.notFunc);

    return false;
  } else if (typeof replacement !== 'function') {
    _window.console.error('Error injecting replacement for: ', factory);

    _window.console.error(ERROR_MSG.notFunc);

    return false;
  }

  return true;
}

var identity = function identity(state) {
  return state;
}; // Helper to add reducer state to custom component


function withState() {
  var lenses = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  var mapStateToProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : identity;
  var actions = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  return function (Component) {
    var WrappedComponent = function WrappedComponent(_ref) {
      var state = _ref.state,
          props = (0, _objectWithoutProperties2["default"])(_ref, ["state"]);
      return _react["default"].createElement(_context["default"].Consumer, null, function (context) {
        return _react["default"].createElement(Component, lenses.reduce(function (totalState, lens) {
          return _objectSpread({}, totalState, {}, lens(context.selector(state)));
        }, props));
      });
    };

    return (0, _reactRedux.connect)(function (state) {
      return _objectSpread({}, mapStateToProps(state), {
        state: state
      });
    }, function (dispatch) {
      return Object.keys(actions).reduce(function (accu, key) {
        return _objectSpread({}, accu, (0, _defineProperty2["default"])({}, key, (0, _redux.bindActionCreators)(actions[key], dispatch)));
      }, {});
    })(WrappedComponent);
  };
}
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IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\n// THE SOFTWARE.\n\nimport React from 'react';\nimport {connect} from 'react-redux';\nimport {bindActionCreators} from 'redux';\nimport {console as Console} from 'global/window';\nimport KeplerGlContext from 'components/context';\n\nconst MissingComp = () => <div />;\n\nexport const ERROR_MSG = {\n  wrongRecipeType:\n    `injectComponents takes an array of factories replacement pairs as input, ` +\n    `each pair be a array as [originalFactory, replacement].`,\n\n  noDep: (fac, parent) =>\n    `${fac.name} is required as a dependency of ${parent.name}, ` +\n    `but is not provided to injectComponents. It will not be rendered.`,\n\n  notFunc: 'factory and its replacement should be a function'\n};\n\nexport function injector(map = new Map()) {\n  const cache = new Map(); // map<factory, factory -> ?>\n  const get = (fac, parent) => {\n    const factory = map.get(fac);\n    // factory is not injected\n    if (!factory) {\n      Console.error(ERROR_MSG.noDep(fac, parent));\n      return MissingComp;\n    }\n\n    // check if custom factory deps is declared\n    const instances =\n      cache.get(factory) ||\n      factory(...(factory.deps ? factory.deps.map(dep => get(dep, factory)) : []));\n\n    cache.set(fac, instances);\n    return instances;\n  };\n\n  // if you have two functions that happen to have the exactly same text\n  // it will be override: 2018-02-05\n  return {\n    provide: (factory, replacement) => {\n      if (!typeCheckRecipe([factory, replacement])) {\n        return injector(map);\n      }\n      return injector(new Map(map).set(factory, replacement));\n    },\n    get\n  };\n}\n\nexport function typeCheckRecipe(recipe) {\n  if (!Array.isArray(recipe) || recipe.length < 2) {\n    Console.error('Error injecting [factory, replacement]', recipe);\n    Console.error(ERROR_MSG.wrongRecipeType);\n    return false;\n  }\n\n  const [factory, replacement] = recipe;\n  if (typeof factory !== 'function') {\n    Console.error('Error injecting factory: ', factory);\n    Console.error(ERROR_MSG.notFunc);\n    return false;\n  } else if (typeof replacement !== 'function') {\n    Console.error('Error injecting replacement for: ', factory);\n    Console.error(ERROR_MSG.notFunc);\n    return false;\n  }\n\n  return true;\n}\n\nconst identity = state => state;\n// Helper to add reducer state to custom component\nexport function withState(lenses = [], mapStateToProps = identity, actions = {}) {\n  return Component => {\n    const WrappedComponent = ({state, ...props}) => (\n      <KeplerGlContext.Consumer>\n        {context => (\n          <Component\n            {...lenses.reduce(\n              (totalState, lens) => ({\n                ...totalState,\n                ...lens(context.selector(state))\n              }),\n              props\n            )}\n          />\n        )}\n      </KeplerGlContext.Consumer>\n    );\n\n    return connect(\n      state => ({...mapStateToProps(state), state}),\n      dispatch =>\n        Object.keys(actions).reduce(\n          (accu, key) => ({\n            ...accu,\n            [key]: bindActionCreators(actions[key], dispatch)\n          }),\n          {}\n        )\n    )(WrappedComponent);\n  };\n}\n"]}