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					762 lines
				
				25 KiB
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											3 years ago
										 | /** | ||
|  |  * Copyright (c) 2014-present, Facebook, Inc. | ||
|  |  * | ||
|  |  * This source code is licensed under the MIT license found in the | ||
|  |  * LICENSE file in the root directory of this source tree. | ||
|  |  */ | ||
|  | 
 | ||
|  | var runtime = (function (exports) { | ||
|  |   "use strict"; | ||
|  | 
 | ||
|  |   var Op = Object.prototype; | ||
|  |   var hasOwn = Op.hasOwnProperty; | ||
|  |   var defineProperty = Object.defineProperty || function (obj, key, desc) { obj[key] = desc.value; }; | ||
|  |   var undefined; // More compressible than void 0.
 | ||
|  |   var $Symbol = typeof Symbol === "function" ? Symbol : {}; | ||
|  |   var iteratorSymbol = $Symbol.iterator || "@@iterator"; | ||
|  |   var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator"; | ||
|  |   var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag"; | ||
|  | 
 | ||
|  |   function define(obj, key, value) { | ||
|  |     Object.defineProperty(obj, key, { | ||
|  |       value: value, | ||
|  |       enumerable: true, | ||
|  |       configurable: true, | ||
|  |       writable: true | ||
|  |     }); | ||
|  |     return obj[key]; | ||
|  |   } | ||
|  |   try { | ||
|  |     // IE 8 has a broken Object.defineProperty that only works on DOM objects.
 | ||
|  |     define({}, ""); | ||
|  |   } catch (err) { | ||
|  |     define = function(obj, key, value) { | ||
|  |       return obj[key] = value; | ||
|  |     }; | ||
|  |   } | ||
|  | 
 | ||
|  |   function wrap(innerFn, outerFn, self, tryLocsList) { | ||
|  |     // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
 | ||
|  |     var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator; | ||
|  |     var generator = Object.create(protoGenerator.prototype); | ||
|  |     var context = new Context(tryLocsList || []); | ||
|  | 
 | ||
|  |     // The ._invoke method unifies the implementations of the .next,
 | ||
|  |     // .throw, and .return methods.
 | ||
|  |     defineProperty(generator, "_invoke", { value: makeInvokeMethod(innerFn, self, context) }); | ||
|  | 
 | ||
|  |     return generator; | ||
|  |   } | ||
|  |   exports.wrap = wrap; | ||
|  | 
 | ||
|  |   // Try/catch helper to minimize deoptimizations. Returns a completion
 | ||
|  |   // record like context.tryEntries[i].completion. This interface could
 | ||
|  |   // have been (and was previously) designed to take a closure to be
 | ||
|  |   // invoked without arguments, but in all the cases we care about we
 | ||
|  |   // already have an existing method we want to call, so there's no need
 | ||
|  |   // to create a new function object. We can even get away with assuming
 | ||
|  |   // the method takes exactly one argument, since that happens to be true
 | ||
|  |   // in every case, so we don't have to touch the arguments object. The
 | ||
|  |   // only additional allocation required is the completion record, which
 | ||
|  |   // has a stable shape and so hopefully should be cheap to allocate.
 | ||
|  |   function tryCatch(fn, obj, arg) { | ||
|  |     try { | ||
|  |       return { type: "normal", arg: fn.call(obj, arg) }; | ||
|  |     } catch (err) { | ||
|  |       return { type: "throw", arg: err }; | ||
|  |     } | ||
|  |   } | ||
|  | 
 | ||
|  |   var GenStateSuspendedStart = "suspendedStart"; | ||
|  |   var GenStateSuspendedYield = "suspendedYield"; | ||
|  |   var GenStateExecuting = "executing"; | ||
|  |   var GenStateCompleted = "completed"; | ||
|  | 
 | ||
|  |   // Returning this object from the innerFn has the same effect as
 | ||
|  |   // breaking out of the dispatch switch statement.
 | ||
|  |   var ContinueSentinel = {}; | ||
|  | 
 | ||
|  |   // Dummy constructor functions that we use as the .constructor and
 | ||
|  |   // .constructor.prototype properties for functions that return Generator
 | ||
|  |   // objects. For full spec compliance, you may wish to configure your
 | ||
|  |   // minifier not to mangle the names of these two functions.
 | ||
|  |   function Generator() {} | ||
|  |   function GeneratorFunction() {} | ||
|  |   function GeneratorFunctionPrototype() {} | ||
|  | 
 | ||
|  |   // This is a polyfill for %IteratorPrototype% for environments that
 | ||
|  |   // don't natively support it.
 | ||
|  |   var IteratorPrototype = {}; | ||
|  |   define(IteratorPrototype, iteratorSymbol, function () { | ||
|  |     return this; | ||
|  |   }); | ||
|  | 
 | ||
|  |   var getProto = Object.getPrototypeOf; | ||
|  |   var NativeIteratorPrototype = getProto && getProto(getProto(values([]))); | ||
|  |   if (NativeIteratorPrototype && | ||
|  |       NativeIteratorPrototype !== Op && | ||
|  |       hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) { | ||
|  |     // This environment has a native %IteratorPrototype%; use it instead
 | ||
|  |     // of the polyfill.
 | ||
|  |     IteratorPrototype = NativeIteratorPrototype; | ||
|  |   } | ||
|  | 
 | ||
|  |   var Gp = GeneratorFunctionPrototype.prototype = | ||
|  |     Generator.prototype = Object.create(IteratorPrototype); | ||
|  |   GeneratorFunction.prototype = GeneratorFunctionPrototype; | ||
|  |   defineProperty(Gp, "constructor", { value: GeneratorFunctionPrototype, configurable: true }); | ||
|  |   defineProperty( | ||
|  |     GeneratorFunctionPrototype, | ||
|  |     "constructor", | ||
|  |     { value: GeneratorFunction, configurable: true } | ||
|  |   ); | ||
|  |   GeneratorFunction.displayName = define( | ||
|  |     GeneratorFunctionPrototype, | ||
|  |     toStringTagSymbol, | ||
|  |     "GeneratorFunction" | ||
|  |   ); | ||
|  | 
 | ||
|  |   // Helper for defining the .next, .throw, and .return methods of the
 | ||
|  |   // Iterator interface in terms of a single ._invoke method.
 | ||
|  |   function defineIteratorMethods(prototype) { | ||
|  |     ["next", "throw", "return"].forEach(function(method) { | ||
|  |       define(prototype, method, function(arg) { | ||
|  |         return this._invoke(method, arg); | ||
|  |       }); | ||
|  |     }); | ||
|  |   } | ||
|  | 
 | ||
|  |   exports.isGeneratorFunction = function(genFun) { | ||
|  |     var ctor = typeof genFun === "function" && genFun.constructor; | ||
|  |     return ctor | ||
|  |       ? ctor === GeneratorFunction || | ||
|  |         // For the native GeneratorFunction constructor, the best we can
 | ||
|  |         // do is to check its .name property.
 | ||
|  |         (ctor.displayName || ctor.name) === "GeneratorFunction" | ||
|  |       : false; | ||
|  |   }; | ||
|  | 
 | ||
|  |   exports.mark = function(genFun) { | ||
|  |     if (Object.setPrototypeOf) { | ||
|  |       Object.setPrototypeOf(genFun, GeneratorFunctionPrototype); | ||
|  |     } else { | ||
|  |       genFun.__proto__ = GeneratorFunctionPrototype; | ||
|  |       define(genFun, toStringTagSymbol, "GeneratorFunction"); | ||
|  |     } | ||
|  |     genFun.prototype = Object.create(Gp); | ||
|  |     return genFun; | ||
|  |   }; | ||
|  | 
 | ||
|  |   // Within the body of any async function, `await x` is transformed to
 | ||
|  |   // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
 | ||
|  |   // `hasOwn.call(value, "__await")` to determine if the yielded value is
 | ||
|  |   // meant to be awaited.
 | ||
|  |   exports.awrap = function(arg) { | ||
|  |     return { __await: arg }; | ||
|  |   }; | ||
|  | 
 | ||
|  |   function AsyncIterator(generator, PromiseImpl) { | ||
|  |     function invoke(method, arg, resolve, reject) { | ||
|  |       var record = tryCatch(generator[method], generator, arg); | ||
|  |       if (record.type === "throw") { | ||
|  |         reject(record.arg); | ||
|  |       } else { | ||
|  |         var result = record.arg; | ||
|  |         var value = result.value; | ||
|  |         if (value && | ||
|  |             typeof value === "object" && | ||
|  |             hasOwn.call(value, "__await")) { | ||
|  |           return PromiseImpl.resolve(value.__await).then(function(value) { | ||
|  |             invoke("next", value, resolve, reject); | ||
|  |           }, function(err) { | ||
|  |             invoke("throw", err, resolve, reject); | ||
|  |           }); | ||
|  |         } | ||
|  | 
 | ||
|  |         return PromiseImpl.resolve(value).then(function(unwrapped) { | ||
|  |           // When a yielded Promise is resolved, its final value becomes
 | ||
|  |           // the .value of the Promise<{value,done}> result for the
 | ||
|  |           // current iteration.
 | ||
|  |           result.value = unwrapped; | ||
|  |           resolve(result); | ||
|  |         }, function(error) { | ||
|  |           // If a rejected Promise was yielded, throw the rejection back
 | ||
|  |           // into the async generator function so it can be handled there.
 | ||
|  |           return invoke("throw", error, resolve, reject); | ||
|  |         }); | ||
|  |       } | ||
|  |     } | ||
|  | 
 | ||
|  |     var previousPromise; | ||
|  | 
 | ||
|  |     function enqueue(method, arg) { | ||
|  |       function callInvokeWithMethodAndArg() { | ||
|  |         return new PromiseImpl(function(resolve, reject) { | ||
|  |           invoke(method, arg, resolve, reject); | ||
|  |         }); | ||
|  |       } | ||
|  | 
 | ||
|  |       return previousPromise = | ||
|  |         // If enqueue has been called before, then we want to wait until
 | ||
|  |         // all previous Promises have been resolved before calling invoke,
 | ||
|  |         // so that results are always delivered in the correct order. If
 | ||
|  |         // enqueue has not been called before, then it is important to
 | ||
|  |         // call invoke immediately, without waiting on a callback to fire,
 | ||
|  |         // so that the async generator function has the opportunity to do
 | ||
|  |         // any necessary setup in a predictable way. This predictability
 | ||
|  |         // is why the Promise constructor synchronously invokes its
 | ||
|  |         // executor callback, and why async functions synchronously
 | ||
|  |         // execute code before the first await. Since we implement simple
 | ||
|  |         // async functions in terms of async generators, it is especially
 | ||
|  |         // important to get this right, even though it requires care.
 | ||
|  |         previousPromise ? previousPromise.then( | ||
|  |           callInvokeWithMethodAndArg, | ||
|  |           // Avoid propagating failures to Promises returned by later
 | ||
|  |           // invocations of the iterator.
 | ||
|  |           callInvokeWithMethodAndArg | ||
|  |         ) : callInvokeWithMethodAndArg(); | ||
|  |     } | ||
|  | 
 | ||
|  |     // Define the unified helper method that is used to implement .next,
 | ||
|  |     // .throw, and .return (see defineIteratorMethods).
 | ||
|  |     defineProperty(this, "_invoke", { value: enqueue }); | ||
|  |   } | ||
|  | 
 | ||
|  |   defineIteratorMethods(AsyncIterator.prototype); | ||
|  |   define(AsyncIterator.prototype, asyncIteratorSymbol, function () { | ||
|  |     return this; | ||
|  |   }); | ||
|  |   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.
 | ||
|  |   exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) { | ||
|  |     if (PromiseImpl === void 0) PromiseImpl = Promise; | ||
|  | 
 | ||
|  |     var iter = new AsyncIterator( | ||
|  |       wrap(innerFn, outerFn, self, tryLocsList), | ||
|  |       PromiseImpl | ||
|  |     ); | ||
|  | 
 | ||
|  |     return exports.isGeneratorFunction(outerFn) | ||
|  |       ? iter // If outerFn is a generator, return the full iterator.
 | ||
|  |       : iter.next().then(function(result) { | ||
|  |           return result.done ? result.value : iter.next(); | ||
|  |         }); | ||
|  |   }; | ||
|  | 
 | ||
|  |   function makeInvokeMethod(innerFn, self, context) { | ||
|  |     var state = GenStateSuspendedStart; | ||
|  | 
 | ||
|  |     return function invoke(method, arg) { | ||
|  |       if (state === GenStateExecuting) { | ||
|  |         throw new Error("Generator is already running"); | ||
|  |       } | ||
|  | 
 | ||
|  |       if (state === GenStateCompleted) { | ||
|  |         if (method === "throw") { | ||
|  |           throw arg; | ||
|  |         } | ||
|  | 
 | ||
|  |         // Be forgiving, per 25.3.3.3.3 of the spec:
 | ||
|  |         // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
 | ||
|  |         return doneResult(); | ||
|  |       } | ||
|  | 
 | ||
|  |       context.method = method; | ||
|  |       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; | ||
|  | 
 | ||
|  |         } else if (context.method === "throw") { | ||
|  |           if (state === GenStateSuspendedStart) { | ||
|  |             state = GenStateCompleted; | ||
|  |             throw context.arg; | ||
|  |           } | ||
|  | 
 | ||
|  |           context.dispatchException(context.arg); | ||
|  | 
 | ||
|  |         } 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 methodName = context.method; | ||
|  |     var method = delegate.iterator[methodName]; | ||
|  |     if (method === undefined) { | ||
|  |       // A .throw or .return when the delegate iterator has no .throw
 | ||
|  |       // method, or a missing .next mehtod, always terminate the
 | ||
|  |       // yield* loop.
 | ||
|  |       context.delegate = null; | ||
|  | 
 | ||
|  |       // Note: ["return"] must be used for ES3 parsing compatibility.
 | ||
|  |       if (methodName === "throw" && 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; | ||
|  |         } | ||
|  |       } | ||
|  |       if (methodName !== "return") { | ||
|  |         context.method = "throw"; | ||
|  |         context.arg = new TypeError( | ||
|  |           "The iterator does not provide a '" + methodName + "' 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(val) { | ||
|  |     var object = Object(val); | ||
|  |     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); | ||
|  |   } | ||
|  | } |