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							754 lines
						
					
					
						
							24 KiB
						
					
					
				/** | 
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 * Copyright (c) 2014-present, Facebook, Inc. | 
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 * | 
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 * This source code is licensed under the MIT license found in the | 
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 * LICENSE file in the root directory of this source tree. | 
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 */ | 
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 | 
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var runtime = (function (exports) { | 
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  "use strict"; | 
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 | 
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  var Op = Object.prototype; | 
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  var hasOwn = Op.hasOwnProperty; | 
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  var undefined; // More compressible than void 0. | 
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  var $Symbol = typeof Symbol === "function" ? Symbol : {}; | 
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  var iteratorSymbol = $Symbol.iterator || "@@iterator"; | 
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  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator"; | 
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  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag"; | 
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 | 
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  function define(obj, key, value) { | 
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    Object.defineProperty(obj, key, { | 
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      value: value, | 
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      enumerable: true, | 
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      configurable: true, | 
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      writable: true | 
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    }); | 
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    return obj[key]; | 
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  } | 
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  try { | 
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    // IE 8 has a broken Object.defineProperty that only works on DOM objects. | 
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    define({}, ""); | 
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  } catch (err) { | 
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    define = function(obj, key, value) { | 
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      return obj[key] = value; | 
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    }; | 
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  } | 
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 | 
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  function wrap(innerFn, outerFn, self, tryLocsList) { | 
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    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator. | 
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    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator; | 
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    var generator = Object.create(protoGenerator.prototype); | 
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    var context = new Context(tryLocsList || []); | 
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 | 
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    // The ._invoke method unifies the implementations of the .next, | 
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    // .throw, and .return methods. | 
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    generator._invoke = makeInvokeMethod(innerFn, self, context); | 
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 | 
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    return generator; | 
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  } | 
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  exports.wrap = wrap; | 
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 | 
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  // Try/catch helper to minimize deoptimizations. Returns a completion | 
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  // record like context.tryEntries[i].completion. This interface could | 
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  // have been (and was previously) designed to take a closure to be | 
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  // invoked without arguments, but in all the cases we care about we | 
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  // already have an existing method we want to call, so there's no need | 
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  // to create a new function object. We can even get away with assuming | 
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  // the method takes exactly one argument, since that happens to be true | 
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  // in every case, so we don't have to touch the arguments object. The | 
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  // only additional allocation required is the completion record, which | 
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  // has a stable shape and so hopefully should be cheap to allocate. | 
						|
  function tryCatch(fn, obj, arg) { | 
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    try { | 
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      return { type: "normal", arg: fn.call(obj, arg) }; | 
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    } catch (err) { | 
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      return { type: "throw", arg: err }; | 
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    } | 
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  } | 
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 | 
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  var GenStateSuspendedStart = "suspendedStart"; | 
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  var GenStateSuspendedYield = "suspendedYield"; | 
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  var GenStateExecuting = "executing"; | 
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  var GenStateCompleted = "completed"; | 
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 | 
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  // Returning this object from the innerFn has the same effect as | 
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  // breaking out of the dispatch switch statement. | 
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  var ContinueSentinel = {}; | 
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 | 
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  // Dummy constructor functions that we use as the .constructor and | 
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  // .constructor.prototype properties for functions that return Generator | 
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  // objects. For full spec compliance, you may wish to configure your | 
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  // minifier not to mangle the names of these two functions. | 
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  function Generator() {} | 
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  function GeneratorFunction() {} | 
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  function GeneratorFunctionPrototype() {} | 
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 | 
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  // This is a polyfill for %IteratorPrototype% for environments that | 
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  // don't natively support it. | 
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  var IteratorPrototype = {}; | 
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  define(IteratorPrototype, iteratorSymbol, function () { | 
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    return this; | 
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  }); | 
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 | 
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  var getProto = Object.getPrototypeOf; | 
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  var NativeIteratorPrototype = getProto && getProto(getProto(values([]))); | 
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  if (NativeIteratorPrototype && | 
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      NativeIteratorPrototype !== Op && | 
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      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) { | 
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    // This environment has a native %IteratorPrototype%; use it instead | 
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    // of the polyfill. | 
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    IteratorPrototype = NativeIteratorPrototype; | 
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  } | 
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 | 
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  var Gp = GeneratorFunctionPrototype.prototype = | 
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    Generator.prototype = Object.create(IteratorPrototype); | 
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  GeneratorFunction.prototype = GeneratorFunctionPrototype; | 
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  define(Gp, "constructor", GeneratorFunctionPrototype); | 
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  define(GeneratorFunctionPrototype, "constructor", GeneratorFunction); | 
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  GeneratorFunction.displayName = define( | 
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    GeneratorFunctionPrototype, | 
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    toStringTagSymbol, | 
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    "GeneratorFunction" | 
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  ); | 
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 | 
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  // Helper for defining the .next, .throw, and .return methods of the | 
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  // Iterator interface in terms of a single ._invoke method. | 
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  function defineIteratorMethods(prototype) { | 
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    ["next", "throw", "return"].forEach(function(method) { | 
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      define(prototype, method, function(arg) { | 
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        return this._invoke(method, arg); | 
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      }); | 
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    }); | 
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  } | 
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 | 
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  exports.isGeneratorFunction = function(genFun) { | 
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    var ctor = typeof genFun === "function" && genFun.constructor; | 
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    return ctor | 
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      ? ctor === GeneratorFunction || | 
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        // For the native GeneratorFunction constructor, the best we can | 
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        // do is to check its .name property. | 
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        (ctor.displayName || ctor.name) === "GeneratorFunction" | 
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      : false; | 
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  }; | 
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 | 
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  exports.mark = function(genFun) { | 
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    if (Object.setPrototypeOf) { | 
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      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype); | 
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    } else { | 
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      genFun.__proto__ = GeneratorFunctionPrototype; | 
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      define(genFun, toStringTagSymbol, "GeneratorFunction"); | 
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    } | 
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    genFun.prototype = Object.create(Gp); | 
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    return genFun; | 
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  }; | 
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 | 
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  // Within the body of any async function, `await x` is transformed to | 
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  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test | 
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  // `hasOwn.call(value, "__await")` to determine if the yielded value is | 
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  // meant to be awaited. | 
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  exports.awrap = function(arg) { | 
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    return { __await: arg }; | 
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  }; | 
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 | 
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  function AsyncIterator(generator, PromiseImpl) { | 
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    function invoke(method, arg, resolve, reject) { | 
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      var record = tryCatch(generator[method], generator, arg); | 
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      if (record.type === "throw") { | 
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        reject(record.arg); | 
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      } else { | 
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        var result = record.arg; | 
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        var value = result.value; | 
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        if (value && | 
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            typeof value === "object" && | 
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            hasOwn.call(value, "__await")) { | 
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          return PromiseImpl.resolve(value.__await).then(function(value) { | 
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            invoke("next", value, resolve, reject); | 
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          }, function(err) { | 
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            invoke("throw", err, resolve, reject); | 
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          }); | 
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        } | 
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 | 
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        return PromiseImpl.resolve(value).then(function(unwrapped) { | 
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          // When a yielded Promise is resolved, its final value becomes | 
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          // the .value of the Promise<{value,done}> result for the | 
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          // current iteration. | 
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          result.value = unwrapped; | 
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          resolve(result); | 
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        }, function(error) { | 
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          // If a rejected Promise was yielded, throw the rejection back | 
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          // into the async generator function so it can be handled there. | 
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          return invoke("throw", error, resolve, reject); | 
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        }); | 
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      } | 
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    } | 
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 | 
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    var previousPromise; | 
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 | 
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    function enqueue(method, arg) { | 
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      function callInvokeWithMethodAndArg() { | 
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        return new PromiseImpl(function(resolve, reject) { | 
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          invoke(method, arg, resolve, reject); | 
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        }); | 
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      } | 
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 | 
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      return previousPromise = | 
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        // If enqueue has been called before, then we want to wait until | 
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        // all previous Promises have been resolved before calling invoke, | 
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        // so that results are always delivered in the correct order. If | 
						|
        // enqueue has not been called before, then it is important to | 
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        // call invoke immediately, without waiting on a callback to fire, | 
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        // so that the async generator function has the opportunity to do | 
						|
        // any necessary setup in a predictable way. This predictability | 
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        // is why the Promise constructor synchronously invokes its | 
						|
        // executor callback, and why async functions synchronously | 
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        // execute code before the first await. Since we implement simple | 
						|
        // async functions in terms of async generators, it is especially | 
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        // important to get this right, even though it requires care. | 
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        previousPromise ? previousPromise.then( | 
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          callInvokeWithMethodAndArg, | 
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          // Avoid propagating failures to Promises returned by later | 
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          // invocations of the iterator. | 
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          callInvokeWithMethodAndArg | 
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        ) : callInvokeWithMethodAndArg(); | 
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    } | 
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 | 
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    // Define the unified helper method that is used to implement .next, | 
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    // .throw, and .return (see defineIteratorMethods). | 
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    this._invoke = enqueue; | 
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  } | 
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 | 
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  defineIteratorMethods(AsyncIterator.prototype); | 
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  define(AsyncIterator.prototype, asyncIteratorSymbol, function () { | 
						|
    return this; | 
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  }); | 
						|
  exports.AsyncIterator = AsyncIterator; | 
						|
 | 
						|
  // Note that simple async functions are implemented on top of | 
						|
  // AsyncIterator objects; they just return a Promise for the value of | 
						|
  // the final result produced by the iterator. | 
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  exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) { | 
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    if (PromiseImpl === void 0) PromiseImpl = Promise; | 
						|
 | 
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    var iter = new AsyncIterator( | 
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      wrap(innerFn, outerFn, self, tryLocsList), | 
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      PromiseImpl | 
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    ); | 
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 | 
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    return exports.isGeneratorFunction(outerFn) | 
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      ? iter // If outerFn is a generator, return the full iterator. | 
						|
      : iter.next().then(function(result) { | 
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          return result.done ? result.value : iter.next(); | 
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        }); | 
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  }; | 
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 | 
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  function makeInvokeMethod(innerFn, self, context) { | 
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    var state = GenStateSuspendedStart; | 
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 | 
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    return function invoke(method, arg) { | 
						|
      if (state === GenStateExecuting) { | 
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        throw new Error("Generator is already running"); | 
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      } | 
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 | 
						|
      if (state === GenStateCompleted) { | 
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        if (method === "throw") { | 
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          throw arg; | 
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        } | 
						|
 | 
						|
        // Be forgiving, per 25.3.3.3.3 of the spec: | 
						|
        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume | 
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        return doneResult(); | 
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      } | 
						|
 | 
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      context.method = method; | 
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      context.arg = arg; | 
						|
 | 
						|
      while (true) { | 
						|
        var delegate = context.delegate; | 
						|
        if (delegate) { | 
						|
          var delegateResult = maybeInvokeDelegate(delegate, context); | 
						|
          if (delegateResult) { | 
						|
            if (delegateResult === ContinueSentinel) continue; | 
						|
            return delegateResult; | 
						|
          } | 
						|
        } | 
						|
 | 
						|
        if (context.method === "next") { | 
						|
          // Setting context._sent for legacy support of Babel's | 
						|
          // function.sent implementation. | 
						|
          context.sent = context._sent = context.arg; | 
						|
 | 
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        } else if (context.method === "throw") { | 
						|
          if (state === GenStateSuspendedStart) { | 
						|
            state = GenStateCompleted; | 
						|
            throw context.arg; | 
						|
          } | 
						|
 | 
						|
          context.dispatchException(context.arg); | 
						|
 | 
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        } else if (context.method === "return") { | 
						|
          context.abrupt("return", context.arg); | 
						|
        } | 
						|
 | 
						|
        state = GenStateExecuting; | 
						|
 | 
						|
        var record = tryCatch(innerFn, self, context); | 
						|
        if (record.type === "normal") { | 
						|
          // If an exception is thrown from innerFn, we leave state === | 
						|
          // GenStateExecuting and loop back for another invocation. | 
						|
          state = context.done | 
						|
            ? GenStateCompleted | 
						|
            : GenStateSuspendedYield; | 
						|
 | 
						|
          if (record.arg === ContinueSentinel) { | 
						|
            continue; | 
						|
          } | 
						|
 | 
						|
          return { | 
						|
            value: record.arg, | 
						|
            done: context.done | 
						|
          }; | 
						|
 | 
						|
        } else if (record.type === "throw") { | 
						|
          state = GenStateCompleted; | 
						|
          // Dispatch the exception by looping back around to the | 
						|
          // context.dispatchException(context.arg) call above. | 
						|
          context.method = "throw"; | 
						|
          context.arg = record.arg; | 
						|
        } | 
						|
      } | 
						|
    }; | 
						|
  } | 
						|
 | 
						|
  // Call delegate.iterator[context.method](context.arg) and handle the | 
						|
  // result, either by returning a { value, done } result from the | 
						|
  // delegate iterator, or by modifying context.method and context.arg, | 
						|
  // setting context.delegate to null, and returning the ContinueSentinel. | 
						|
  function maybeInvokeDelegate(delegate, context) { | 
						|
    var method = delegate.iterator[context.method]; | 
						|
    if (method === undefined) { | 
						|
      // A .throw or .return when the delegate iterator has no .throw | 
						|
      // method always terminates the yield* loop. | 
						|
      context.delegate = null; | 
						|
 | 
						|
      if (context.method === "throw") { | 
						|
        // Note: ["return"] must be used for ES3 parsing compatibility. | 
						|
        if (delegate.iterator["return"]) { | 
						|
          // If the delegate iterator has a return method, give it a | 
						|
          // chance to clean up. | 
						|
          context.method = "return"; | 
						|
          context.arg = undefined; | 
						|
          maybeInvokeDelegate(delegate, context); | 
						|
 | 
						|
          if (context.method === "throw") { | 
						|
            // If maybeInvokeDelegate(context) changed context.method from | 
						|
            // "return" to "throw", let that override the TypeError below. | 
						|
            return ContinueSentinel; | 
						|
          } | 
						|
        } | 
						|
 | 
						|
        context.method = "throw"; | 
						|
        context.arg = new TypeError( | 
						|
          "The iterator does not provide a 'throw' method"); | 
						|
      } | 
						|
 | 
						|
      return ContinueSentinel; | 
						|
    } | 
						|
 | 
						|
    var record = tryCatch(method, delegate.iterator, context.arg); | 
						|
 | 
						|
    if (record.type === "throw") { | 
						|
      context.method = "throw"; | 
						|
      context.arg = record.arg; | 
						|
      context.delegate = null; | 
						|
      return ContinueSentinel; | 
						|
    } | 
						|
 | 
						|
    var info = record.arg; | 
						|
 | 
						|
    if (! info) { | 
						|
      context.method = "throw"; | 
						|
      context.arg = new TypeError("iterator result is not an object"); | 
						|
      context.delegate = null; | 
						|
      return ContinueSentinel; | 
						|
    } | 
						|
 | 
						|
    if (info.done) { | 
						|
      // Assign the result of the finished delegate to the temporary | 
						|
      // variable specified by delegate.resultName (see delegateYield). | 
						|
      context[delegate.resultName] = info.value; | 
						|
 | 
						|
      // Resume execution at the desired location (see delegateYield). | 
						|
      context.next = delegate.nextLoc; | 
						|
 | 
						|
      // If context.method was "throw" but the delegate handled the | 
						|
      // exception, let the outer generator proceed normally. If | 
						|
      // context.method was "next", forget context.arg since it has been | 
						|
      // "consumed" by the delegate iterator. If context.method was | 
						|
      // "return", allow the original .return call to continue in the | 
						|
      // outer generator. | 
						|
      if (context.method !== "return") { | 
						|
        context.method = "next"; | 
						|
        context.arg = undefined; | 
						|
      } | 
						|
 | 
						|
    } else { | 
						|
      // Re-yield the result returned by the delegate method. | 
						|
      return info; | 
						|
    } | 
						|
 | 
						|
    // The delegate iterator is finished, so forget it and continue with | 
						|
    // the outer generator. | 
						|
    context.delegate = null; | 
						|
    return ContinueSentinel; | 
						|
  } | 
						|
 | 
						|
  // Define Generator.prototype.{next,throw,return} in terms of the | 
						|
  // unified ._invoke helper method. | 
						|
  defineIteratorMethods(Gp); | 
						|
 | 
						|
  define(Gp, toStringTagSymbol, "Generator"); | 
						|
 | 
						|
  // A Generator should always return itself as the iterator object when the | 
						|
  // @@iterator function is called on it. Some browsers' implementations of the | 
						|
  // iterator prototype chain incorrectly implement this, causing the Generator | 
						|
  // object to not be returned from this call. This ensures that doesn't happen. | 
						|
  // See https://github.com/facebook/regenerator/issues/274 for more details. | 
						|
  define(Gp, iteratorSymbol, function() { | 
						|
    return this; | 
						|
  }); | 
						|
 | 
						|
  define(Gp, "toString", function() { | 
						|
    return "[object Generator]"; | 
						|
  }); | 
						|
 | 
						|
  function pushTryEntry(locs) { | 
						|
    var entry = { tryLoc: locs[0] }; | 
						|
 | 
						|
    if (1 in locs) { | 
						|
      entry.catchLoc = locs[1]; | 
						|
    } | 
						|
 | 
						|
    if (2 in locs) { | 
						|
      entry.finallyLoc = locs[2]; | 
						|
      entry.afterLoc = locs[3]; | 
						|
    } | 
						|
 | 
						|
    this.tryEntries.push(entry); | 
						|
  } | 
						|
 | 
						|
  function resetTryEntry(entry) { | 
						|
    var record = entry.completion || {}; | 
						|
    record.type = "normal"; | 
						|
    delete record.arg; | 
						|
    entry.completion = record; | 
						|
  } | 
						|
 | 
						|
  function Context(tryLocsList) { | 
						|
    // The root entry object (effectively a try statement without a catch | 
						|
    // or a finally block) gives us a place to store values thrown from | 
						|
    // locations where there is no enclosing try statement. | 
						|
    this.tryEntries = [{ tryLoc: "root" }]; | 
						|
    tryLocsList.forEach(pushTryEntry, this); | 
						|
    this.reset(true); | 
						|
  } | 
						|
 | 
						|
  exports.keys = function(object) { | 
						|
    var keys = []; | 
						|
    for (var key in object) { | 
						|
      keys.push(key); | 
						|
    } | 
						|
    keys.reverse(); | 
						|
 | 
						|
    // Rather than returning an object with a next method, we keep | 
						|
    // things simple and return the next function itself. | 
						|
    return function next() { | 
						|
      while (keys.length) { | 
						|
        var key = keys.pop(); | 
						|
        if (key in object) { | 
						|
          next.value = key; | 
						|
          next.done = false; | 
						|
          return next; | 
						|
        } | 
						|
      } | 
						|
 | 
						|
      // To avoid creating an additional object, we just hang the .value | 
						|
      // and .done properties off the next function object itself. This | 
						|
      // also ensures that the minifier will not anonymize the function. | 
						|
      next.done = true; | 
						|
      return next; | 
						|
    }; | 
						|
  }; | 
						|
 | 
						|
  function values(iterable) { | 
						|
    if (iterable) { | 
						|
      var iteratorMethod = iterable[iteratorSymbol]; | 
						|
      if (iteratorMethod) { | 
						|
        return iteratorMethod.call(iterable); | 
						|
      } | 
						|
 | 
						|
      if (typeof iterable.next === "function") { | 
						|
        return iterable; | 
						|
      } | 
						|
 | 
						|
      if (!isNaN(iterable.length)) { | 
						|
        var i = -1, next = function next() { | 
						|
          while (++i < iterable.length) { | 
						|
            if (hasOwn.call(iterable, i)) { | 
						|
              next.value = iterable[i]; | 
						|
              next.done = false; | 
						|
              return next; | 
						|
            } | 
						|
          } | 
						|
 | 
						|
          next.value = undefined; | 
						|
          next.done = true; | 
						|
 | 
						|
          return next; | 
						|
        }; | 
						|
 | 
						|
        return next.next = next; | 
						|
      } | 
						|
    } | 
						|
 | 
						|
    // Return an iterator with no values. | 
						|
    return { next: doneResult }; | 
						|
  } | 
						|
  exports.values = values; | 
						|
 | 
						|
  function doneResult() { | 
						|
    return { value: undefined, done: true }; | 
						|
  } | 
						|
 | 
						|
  Context.prototype = { | 
						|
    constructor: Context, | 
						|
 | 
						|
    reset: function(skipTempReset) { | 
						|
      this.prev = 0; | 
						|
      this.next = 0; | 
						|
      // Resetting context._sent for legacy support of Babel's | 
						|
      // function.sent implementation. | 
						|
      this.sent = this._sent = undefined; | 
						|
      this.done = false; | 
						|
      this.delegate = null; | 
						|
 | 
						|
      this.method = "next"; | 
						|
      this.arg = undefined; | 
						|
 | 
						|
      this.tryEntries.forEach(resetTryEntry); | 
						|
 | 
						|
      if (!skipTempReset) { | 
						|
        for (var name in this) { | 
						|
          // Not sure about the optimal order of these conditions: | 
						|
          if (name.charAt(0) === "t" && | 
						|
              hasOwn.call(this, name) && | 
						|
              !isNaN(+name.slice(1))) { | 
						|
            this[name] = undefined; | 
						|
          } | 
						|
        } | 
						|
      } | 
						|
    }, | 
						|
 | 
						|
    stop: function() { | 
						|
      this.done = true; | 
						|
 | 
						|
      var rootEntry = this.tryEntries[0]; | 
						|
      var rootRecord = rootEntry.completion; | 
						|
      if (rootRecord.type === "throw") { | 
						|
        throw rootRecord.arg; | 
						|
      } | 
						|
 | 
						|
      return this.rval; | 
						|
    }, | 
						|
 | 
						|
    dispatchException: function(exception) { | 
						|
      if (this.done) { | 
						|
        throw exception; | 
						|
      } | 
						|
 | 
						|
      var context = this; | 
						|
      function handle(loc, caught) { | 
						|
        record.type = "throw"; | 
						|
        record.arg = exception; | 
						|
        context.next = loc; | 
						|
 | 
						|
        if (caught) { | 
						|
          // If the dispatched exception was caught by a catch block, | 
						|
          // then let that catch block handle the exception normally. | 
						|
          context.method = "next"; | 
						|
          context.arg = undefined; | 
						|
        } | 
						|
 | 
						|
        return !! caught; | 
						|
      } | 
						|
 | 
						|
      for (var i = this.tryEntries.length - 1; i >= 0; --i) { | 
						|
        var entry = this.tryEntries[i]; | 
						|
        var record = entry.completion; | 
						|
 | 
						|
        if (entry.tryLoc === "root") { | 
						|
          // Exception thrown outside of any try block that could handle | 
						|
          // it, so set the completion value of the entire function to | 
						|
          // throw the exception. | 
						|
          return handle("end"); | 
						|
        } | 
						|
 | 
						|
        if (entry.tryLoc <= this.prev) { | 
						|
          var hasCatch = hasOwn.call(entry, "catchLoc"); | 
						|
          var hasFinally = hasOwn.call(entry, "finallyLoc"); | 
						|
 | 
						|
          if (hasCatch && hasFinally) { | 
						|
            if (this.prev < entry.catchLoc) { | 
						|
              return handle(entry.catchLoc, true); | 
						|
            } else if (this.prev < entry.finallyLoc) { | 
						|
              return handle(entry.finallyLoc); | 
						|
            } | 
						|
 | 
						|
          } else if (hasCatch) { | 
						|
            if (this.prev < entry.catchLoc) { | 
						|
              return handle(entry.catchLoc, true); | 
						|
            } | 
						|
 | 
						|
          } else if (hasFinally) { | 
						|
            if (this.prev < entry.finallyLoc) { | 
						|
              return handle(entry.finallyLoc); | 
						|
            } | 
						|
 | 
						|
          } else { | 
						|
            throw new Error("try statement without catch or finally"); | 
						|
          } | 
						|
        } | 
						|
      } | 
						|
    }, | 
						|
 | 
						|
    abrupt: function(type, arg) { | 
						|
      for (var i = this.tryEntries.length - 1; i >= 0; --i) { | 
						|
        var entry = this.tryEntries[i]; | 
						|
        if (entry.tryLoc <= this.prev && | 
						|
            hasOwn.call(entry, "finallyLoc") && | 
						|
            this.prev < entry.finallyLoc) { | 
						|
          var finallyEntry = entry; | 
						|
          break; | 
						|
        } | 
						|
      } | 
						|
 | 
						|
      if (finallyEntry && | 
						|
          (type === "break" || | 
						|
           type === "continue") && | 
						|
          finallyEntry.tryLoc <= arg && | 
						|
          arg <= finallyEntry.finallyLoc) { | 
						|
        // Ignore the finally entry if control is not jumping to a | 
						|
        // location outside the try/catch block. | 
						|
        finallyEntry = null; | 
						|
      } | 
						|
 | 
						|
      var record = finallyEntry ? finallyEntry.completion : {}; | 
						|
      record.type = type; | 
						|
      record.arg = arg; | 
						|
 | 
						|
      if (finallyEntry) { | 
						|
        this.method = "next"; | 
						|
        this.next = finallyEntry.finallyLoc; | 
						|
        return ContinueSentinel; | 
						|
      } | 
						|
 | 
						|
      return this.complete(record); | 
						|
    }, | 
						|
 | 
						|
    complete: function(record, afterLoc) { | 
						|
      if (record.type === "throw") { | 
						|
        throw record.arg; | 
						|
      } | 
						|
 | 
						|
      if (record.type === "break" || | 
						|
          record.type === "continue") { | 
						|
        this.next = record.arg; | 
						|
      } else if (record.type === "return") { | 
						|
        this.rval = this.arg = record.arg; | 
						|
        this.method = "return"; | 
						|
        this.next = "end"; | 
						|
      } else if (record.type === "normal" && afterLoc) { | 
						|
        this.next = afterLoc; | 
						|
      } | 
						|
 | 
						|
      return ContinueSentinel; | 
						|
    }, | 
						|
 | 
						|
    finish: function(finallyLoc) { | 
						|
      for (var i = this.tryEntries.length - 1; i >= 0; --i) { | 
						|
        var entry = this.tryEntries[i]; | 
						|
        if (entry.finallyLoc === finallyLoc) { | 
						|
          this.complete(entry.completion, entry.afterLoc); | 
						|
          resetTryEntry(entry); | 
						|
          return ContinueSentinel; | 
						|
        } | 
						|
      } | 
						|
    }, | 
						|
 | 
						|
    "catch": function(tryLoc) { | 
						|
      for (var i = this.tryEntries.length - 1; i >= 0; --i) { | 
						|
        var entry = this.tryEntries[i]; | 
						|
        if (entry.tryLoc === tryLoc) { | 
						|
          var record = entry.completion; | 
						|
          if (record.type === "throw") { | 
						|
            var thrown = record.arg; | 
						|
            resetTryEntry(entry); | 
						|
          } | 
						|
          return thrown; | 
						|
        } | 
						|
      } | 
						|
 | 
						|
      // The context.catch method must only be called with a location | 
						|
      // argument that corresponds to a known catch block. | 
						|
      throw new Error("illegal catch attempt"); | 
						|
    }, | 
						|
 | 
						|
    delegateYield: function(iterable, resultName, nextLoc) { | 
						|
      this.delegate = { | 
						|
        iterator: values(iterable), | 
						|
        resultName: resultName, | 
						|
        nextLoc: nextLoc | 
						|
      }; | 
						|
 | 
						|
      if (this.method === "next") { | 
						|
        // Deliberately forget the last sent value so that we don't | 
						|
        // accidentally pass it on to the delegate. | 
						|
        this.arg = undefined; | 
						|
      } | 
						|
 | 
						|
      return ContinueSentinel; | 
						|
    } | 
						|
  }; | 
						|
 | 
						|
  // Regardless of whether this script is executing as a CommonJS module | 
						|
  // or not, return the runtime object so that we can declare the variable | 
						|
  // regeneratorRuntime in the outer scope, which allows this module to be | 
						|
  // injected easily by `bin/regenerator --include-runtime script.js`. | 
						|
  return exports; | 
						|
 | 
						|
}( | 
						|
  // If this script is executing as a CommonJS module, use module.exports | 
						|
  // as the regeneratorRuntime namespace. Otherwise create a new empty | 
						|
  // object. Either way, the resulting object will be used to initialize | 
						|
  // the regeneratorRuntime variable at the top of this file. | 
						|
  typeof module === "object" ? module.exports : {} | 
						|
)); | 
						|
 | 
						|
try { | 
						|
  regeneratorRuntime = runtime; | 
						|
} catch (accidentalStrictMode) { | 
						|
  // This module should not be running in strict mode, so the above | 
						|
  // assignment should always work unless something is misconfigured. Just | 
						|
  // in case runtime.js accidentally runs in strict mode, in modern engines | 
						|
  // we can explicitly access globalThis. In older engines we can escape | 
						|
  // strict mode using a global Function call. This could conceivably fail | 
						|
  // if a Content Security Policy forbids using Function, but in that case | 
						|
  // the proper solution is to fix the accidental strict mode problem. If | 
						|
  // you've misconfigured your bundler to force strict mode and applied a | 
						|
  // CSP to forbid Function, and you're not willing to fix either of those | 
						|
  // problems, please detail your unique predicament in a GitHub issue. | 
						|
  if (typeof globalThis === "object") { | 
						|
    globalThis.regeneratorRuntime = runtime; | 
						|
  } else { | 
						|
    Function("r", "regeneratorRuntime = r")(runtime); | 
						|
  } | 
						|
}
 | 
						|
 |