zdobnea4.0o1.txt

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @polyfill
 * 
 * @format
 */

'use strict';

/* eslint-disable no-bitwise */

global.__r = metroRequire;
global.__d = define;
global.__c = clear;

var modules = clear();

// Don't use a Symbol here, it would pull in an extra polyfill with all sorts of
// additional stuff (e.g. Array.from).
var EMPTY = {};
var _ref = {},
    hasOwnProperty = _ref.hasOwnProperty;


function clear() {
  modules = typeof __NUM_MODULES__ === 'number' ? Array(__NUM_MODULES__ | 0) : Object.create(null);

  // We return modules here so that we can assign an initial value to modules
  // when defining it. Otherwise, we would have to do "let modules = null",
  // which will force us to add "nullthrows" everywhere.
  return modules;
}

if (__DEV__) {
  var verboseNamesToModuleIds = Object.create(null);
  var initializingModuleIds = [];
}

function define(factory, moduleId, dependencyMap) {
  if (modules[moduleId] != null) {
    if (__DEV__) {
      // (We take `inverseDependencies` from `arguments` to avoid an unused
      // named parameter in `define` in production.
      var inverseDependencies = arguments[4];

      // If the module has already been defined and the define method has been
      // called with inverseDependencies, we can hot reload it.
      if (inverseDependencies) {
        global.__accept(moduleId, factory, dependencyMap, inverseDependencies);
      } else {
        console.warn('Trying to define twice module ID ' + moduleId + ' in the same bundle');
      }
    }

    // prevent repeated calls to `global.nativeRequire` to overwrite modules
    // that are already loaded
    return;
  }
  modules[moduleId] = {
    dependencyMap: dependencyMap,
    factory: factory,
    hasError: false,
    importedAll: EMPTY,
    importedDefault: EMPTY,
    isInitialized: false,
    publicModule: { exports: {} }
  };
  if (__DEV__) {
    // HMR
    modules[moduleId].hot = createHotReloadingObject();

    // DEBUGGABLE MODULES NAMES
    // we take `verboseName` from `arguments` to avoid an unused named parameter
    // in `define` in production.
    var _verboseName = arguments[3];
    if (_verboseName) {
      modules[moduleId].verboseName = _verboseName;
      verboseNamesToModuleIds[_verboseName] = moduleId;
    }
  }
}

function metroRequire(moduleId) {
  if (__DEV__ && typeof moduleId === 'string') {
    var _verboseName2 = moduleId;
    moduleId = verboseNamesToModuleIds[_verboseName2];
    if (moduleId == null) {
      throw new Error('Unknown named module: "' + _verboseName2 + '"');
    } else {
      console.warn('Requiring module "' + _verboseName2 + '" by name is only supported for ' + 'debugging purposes and will BREAK IN PRODUCTION!');
    }
  }

  //$FlowFixMe: at this point we know that moduleId is a number
  var moduleIdReallyIsNumber = moduleId;

  if (__DEV__) {
    var initializingIndex = initializingModuleIds.indexOf(moduleIdReallyIsNumber);
    if (initializingIndex !== -1) {
      var cycle = initializingModuleIds.slice(initializingIndex).map(function (id) {
        return modules[id].verboseName;
      });
      // We want to show A -> B -> A:
      cycle.push(cycle[0]);
      console.warn('Require cycle: ' + cycle.join(' -> ') + '\n\n' + 'Require cycles are allowed, but can result in uninitialized values. ' + 'Consider refactoring to remove the need for a cycle.');
    }
  }

  var module = modules[moduleIdReallyIsNumber];

  return module && module.isInitialized ? module.publicModule.exports : guardedLoadModule(moduleIdReallyIsNumber, module);
}

function metroImportDefault(moduleId) {
  if (__DEV__ && typeof moduleId === 'string') {
    var _verboseName3 = moduleId;
    moduleId = verboseNamesToModuleIds[_verboseName3];
  }

  //$FlowFixMe: at this point we know that moduleId is a number
  var moduleIdReallyIsNumber = moduleId;

  if (modules[moduleIdReallyIsNumber] && modules[moduleIdReallyIsNumber].importedDefault !== EMPTY) {
    return modules[moduleIdReallyIsNumber].importedDefault;
  }

  var exports = metroRequire(moduleIdReallyIsNumber);
  var importedDefault = exports && exports.__esModule ? exports.default : exports;

  return modules[moduleIdReallyIsNumber].importedDefault = importedDefault;
}

function metroImportAll(moduleId) {
  if (__DEV__ && typeof moduleId === 'string') {
    var _verboseName4 = moduleId;
    moduleId = verboseNamesToModuleIds[_verboseName4];
  }

  //$FlowFixMe: at this point we know that moduleId is a number
  var moduleIdReallyIsNumber = moduleId;

  if (modules[moduleIdReallyIsNumber] && modules[moduleIdReallyIsNumber].importedAll !== EMPTY) {
    return modules[moduleIdReallyIsNumber].importedAll;
  }

  var exports = metroRequire(moduleIdReallyIsNumber);
  var importedAll = void 0;

  if (exports && exports.__esModule) {
    importedAll = exports;
  } else {
    importedAll = {};

    // Refrain from using Object.assign, it has to work in ES3 environments.
    if (exports) {
      for (var _key in exports) {
        if (hasOwnProperty.call(exports, _key)) {
          importedAll[_key] = exports[_key];
        }
      }
    }

    importedAll.default = exports;
  }

  return modules[moduleIdReallyIsNumber].importedAll = importedAll;
}

var inGuard = false;
function guardedLoadModule(moduleId, module) {
  if (!inGuard && global.ErrorUtils) {
    inGuard = true;
    var returnValue = void 0;
    try {
      returnValue = loadModuleImplementation(moduleId, module);
    } catch (e) {
      global.ErrorUtils.reportFatalError(e);
    }
    inGuard = false;
    return returnValue;
  } else {
    return loadModuleImplementation(moduleId, module);
  }
}

var ID_MASK_SHIFT = 16;
var LOCAL_ID_MASK = ~0 >>> ID_MASK_SHIFT;

function unpackModuleId(moduleId) {
  var segmentId = moduleId >>> ID_MASK_SHIFT;
  var localId = moduleId & LOCAL_ID_MASK;
  return { segmentId: segmentId, localId: localId };
}
metroRequire.unpackModuleId = unpackModuleId;

function packModuleId(value) {
  return (value.segmentId << ID_MASK_SHIFT) + value.localId;
}
metroRequire.packModuleId = packModuleId;

var hooks = [];
function registerHook(cb) {
  var hook = { cb: cb };
  hooks.push(hook);
  return {
    release: function release() {
      for (var i = 0; i < hooks.length; ++i) {
        if (hooks[i] === hook) {
          hooks.splice(i, 1);
          break;
        }
      }
    }
  };
}
metroRequire.registerHook = registerHook;

function loadModuleImplementation(moduleId, module) {
  if (!module && global.__defineModule) {
    global.__defineModule(moduleId);
    module = modules[moduleId];
  }

  var nativeRequire = global.nativeRequire;
  if (!module && nativeRequire) {
    var _unpackModuleId = unpackModuleId(moduleId),
        _segmentId = _unpackModuleId.segmentId,
        _localId = _unpackModuleId.localId;

    nativeRequire(_localId, _segmentId);
    module = modules[moduleId];
  }

  if (!module) {
    throw unknownModuleError(moduleId);
  }

  if (module.hasError) {
    throw moduleThrewError(moduleId, module.error);
  }

  // `metroRequire` calls into the require polyfill itself are not analyzed and
  // replaced so that they use numeric module IDs.
  // The systrace module will expose itself on the metroRequire function so that
  // it can be used here.
  // TODO(davidaurelio) Scan polyfills for dependencies, too (t9759686)
  if (__DEV__) {
    var Systrace = metroRequire.Systrace;
  }

  // We must optimistically mark module as initialized before running the
  // factory to keep any require cycles inside the factory from causing an
  // infinite require loop.
  module.isInitialized = true;

  var _module = module,
      factory = _module.factory,
      dependencyMap = _module.dependencyMap;

  if (__DEV__) {
    initializingModuleIds.push(moduleId);
  }
  try {
    if (__DEV__) {
      // $FlowFixMe: we know that __DEV__ is const and `Systrace` exists
      Systrace.beginEvent('JS_require_' + (module.verboseName || moduleId));
    }

    var _moduleObject = module.publicModule;

    if (__DEV__) {
      _moduleObject.id = module.verboseName || _moduleObject.id;

      if (module.hot) {
        _moduleObject.hot = module.hot;
      }
    }

    if (hooks.length > 0) {
      for (var i = 0; i < hooks.length; ++i) {
        hooks[i].cb(moduleId, _moduleObject);
      }
    }

    // keep args in sync with with defineModuleCode in
    // metro/src/Resolver/index.js
    // and metro/src/ModuleGraph/worker.js
    factory(global, metroRequire, metroImportDefault, metroImportAll, _moduleObject, _moduleObject.exports, dependencyMap);

    // avoid removing factory in DEV mode as it breaks HMR
    if (!__DEV__) {
      // $FlowFixMe: This is only sound because we never access `factory` again
      module.factory = undefined;
      module.dependencyMap = undefined;
    }

    if (__DEV__) {
      // $FlowFixMe: we know that __DEV__ is const and `Systrace` exists
      Systrace.endEvent();
    }
    return _moduleObject.exports;
  } catch (e) {
    module.hasError = true;
    module.error = e;
    module.isInitialized = false;
    module.publicModule.exports = undefined;
    throw e;
  } finally {
    if (__DEV__) {
      if (initializingModuleIds.pop() !== moduleId) {
        throw new Error('initializingModuleIds is corrupt; something is terribly wrong');
      }
    }
  }
}

function unknownModuleError(id) {
  var message = 'Requiring unknown module "' + id + '".';
  if (__DEV__) {
    message += 'If you are sure the module is there, try restarting Metro Bundler. ' + 'You may also want to run `yarn`, or `npm install` (depending on your environment).';
  }
  return Error(message);
}

function moduleThrewError(id, error) {
  var displayName = __DEV__ && modules[id] && modules[id].verboseName || id;
  return Error('Requiring module "' + displayName + '", which threw an exception: ' + error);
}

if (__DEV__) {
  metroRequire.Systrace = { beginEvent: function beginEvent() {}, endEvent: function endEvent() {} };

  metroRequire.getModules = function () {
    return modules;
  };

  // HOT MODULE RELOADING
  var createHotReloadingObject = function createHotReloadingObject() {
    var hot = {
      acceptCallback: null,
      accept: function accept(callback) {
        hot.acceptCallback = callback;
      },
      disposeCallback: null,
      dispose: function dispose(callback) {
        hot.disposeCallback = callback;
      }
    };
    return hot;
  };

  var metroAcceptAll = function metroAcceptAll(dependentModules, inverseDependencies, patchedModules) {
    if (!dependentModules || dependentModules.length === 0) {
      return true;
    }

    var notAccepted = dependentModules.filter(function (module) {
      return !metroAccept(module,
      /*factory*/undefined,
      /*dependencyMap*/undefined, inverseDependencies, patchedModules);
    });

    var parents = [];
    for (var i = 0; i < notAccepted.length; i++) {
      // if the module has no parents then the change cannot be hot loaded
      if (inverseDependencies[notAccepted[i]].length === 0) {
        return false;
      }

      parents.push.apply(parents, inverseDependencies[notAccepted[i]]);
    }

    return parents.length == 0;
  };

  var metroAccept = function metroAccept(id, factory, dependencyMap, inverseDependencies) {
    var patchedModules = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};

    if (id in patchedModules) {
      // Do not patch the same module more that once during an update.
      return true;
    }
    patchedModules[id] = true;

    var mod = modules[id];

    if (!mod && factory) {
      // New modules are going to be handled by the define() method.
      return true;
    }

    var hot = mod.hot;

    if (!hot) {
      console.warn('Cannot accept module because Hot Module Replacement ' + 'API was not installed.');
      return false;
    }

    if (hot.disposeCallback) {
      try {
        hot.disposeCallback();
      } catch (error) {
        console.error('Error while calling dispose handler for module ' + id + ': ', error);
      }
    }

    // replace and initialize factory
    if (factory) {
      mod.factory = factory;
    }
    if (dependencyMap) {
      mod.dependencyMap = dependencyMap;
    }
    mod.hasError = false;
    mod.isInitialized = false;
    metroRequire(id);

    if (hot.acceptCallback) {
      try {
        hot.acceptCallback();
        return true;
      } catch (error) {
        console.error('Error while calling accept handler for module ' + id + ': ', error);
      }
    }

    // need to have inverseDependencies to bubble up accept
    if (!inverseDependencies) {
      throw new Error('Undefined `inverseDependencies`');
    }

    // accept parent modules recursively up until all siblings are accepted
    return metroAcceptAll(inverseDependencies[id], inverseDependencies, patchedModules);
  };

  global.__accept = metroAccept;
}