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   1  /**
   2   * Copyright (c) 2014-present, Facebook, Inc.
   3   *
   4   * This source code is licensed under the MIT license found in the
   5   * LICENSE file in the root directory of this source tree.
   6   */
   7  
   8  var runtime = (function (exports) {
   9    "use strict";
  10  
  11    var Op = Object.prototype;
  12    var hasOwn = Op.hasOwnProperty;
  13    var undefined; // More compressible than void 0.
  14    var $Symbol = typeof Symbol === "function" ? Symbol : {};
  15    var iteratorSymbol = $Symbol.iterator || "@@iterator";
  16    var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
  17    var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
  18  
  19    function define(obj, key, value) {
  20      Object.defineProperty(obj, key, {
  21        value: value,
  22        enumerable: true,
  23        configurable: true,
  24        writable: true
  25      });
  26      return obj[key];
  27    }
  28    try {
  29      // IE 8 has a broken Object.defineProperty that only works on DOM objects.
  30      define({}, "");
  31    } catch (err) {
  32      define = function(obj, key, value) {
  33        return obj[key] = value;
  34      };
  35    }
  36  
  37    function wrap(innerFn, outerFn, self, tryLocsList) {
  38      // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
  39      var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
  40      var generator = Object.create(protoGenerator.prototype);
  41      var context = new Context(tryLocsList || []);
  42  
  43      // The ._invoke method unifies the implementations of the .next,
  44      // .throw, and .return methods.
  45      generator._invoke = makeInvokeMethod(innerFn, self, context);
  46  
  47      return generator;
  48    }
  49    exports.wrap = wrap;
  50  
  51    // Try/catch helper to minimize deoptimizations. Returns a completion
  52    // record like context.tryEntries[i].completion. This interface could
  53    // have been (and was previously) designed to take a closure to be
  54    // invoked without arguments, but in all the cases we care about we
  55    // already have an existing method we want to call, so there's no need
  56    // to create a new function object. We can even get away with assuming
  57    // the method takes exactly one argument, since that happens to be true
  58    // in every case, so we don't have to touch the arguments object. The
  59    // only additional allocation required is the completion record, which
  60    // has a stable shape and so hopefully should be cheap to allocate.
  61    function tryCatch(fn, obj, arg) {
  62      try {
  63        return { type: "normal", arg: fn.call(obj, arg) };
  64      } catch (err) {
  65        return { type: "throw", arg: err };
  66      }
  67    }
  68  
  69    var GenStateSuspendedStart = "suspendedStart";
  70    var GenStateSuspendedYield = "suspendedYield";
  71    var GenStateExecuting = "executing";
  72    var GenStateCompleted = "completed";
  73  
  74    // Returning this object from the innerFn has the same effect as
  75    // breaking out of the dispatch switch statement.
  76    var ContinueSentinel = {};
  77  
  78    // Dummy constructor functions that we use as the .constructor and
  79    // .constructor.prototype properties for functions that return Generator
  80    // objects. For full spec compliance, you may wish to configure your
  81    // minifier not to mangle the names of these two functions.
  82    function Generator() {}
  83    function GeneratorFunction() {}
  84    function GeneratorFunctionPrototype() {}
  85  
  86    // This is a polyfill for %IteratorPrototype% for environments that
  87    // don't natively support it.
  88    var IteratorPrototype = {};
  89    define(IteratorPrototype, iteratorSymbol, function () {
  90      return this;
  91    });
  92  
  93    var getProto = Object.getPrototypeOf;
  94    var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
  95    if (NativeIteratorPrototype &&
  96        NativeIteratorPrototype !== Op &&
  97        hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
  98      // This environment has a native %IteratorPrototype%; use it instead
  99      // of the polyfill.
 100      IteratorPrototype = NativeIteratorPrototype;
 101    }
 102  
 103    var Gp = GeneratorFunctionPrototype.prototype =
 104      Generator.prototype = Object.create(IteratorPrototype);
 105    GeneratorFunction.prototype = GeneratorFunctionPrototype;
 106    define(Gp, "constructor", GeneratorFunctionPrototype);
 107    define(GeneratorFunctionPrototype, "constructor", GeneratorFunction);
 108    GeneratorFunction.displayName = define(
 109      GeneratorFunctionPrototype,
 110      toStringTagSymbol,
 111      "GeneratorFunction"
 112    );
 113  
 114    // Helper for defining the .next, .throw, and .return methods of the
 115    // Iterator interface in terms of a single ._invoke method.
 116    function defineIteratorMethods(prototype) {
 117      ["next", "throw", "return"].forEach(function(method) {
 118        define(prototype, method, function(arg) {
 119          return this._invoke(method, arg);
 120        });
 121      });
 122    }
 123  
 124    exports.isGeneratorFunction = function(genFun) {
 125      var ctor = typeof genFun === "function" && genFun.constructor;
 126      return ctor
 127        ? ctor === GeneratorFunction ||
 128          // For the native GeneratorFunction constructor, the best we can
 129          // do is to check its .name property.
 130          (ctor.displayName || ctor.name) === "GeneratorFunction"
 131        : false;
 132    };
 133  
 134    exports.mark = function(genFun) {
 135      if (Object.setPrototypeOf) {
 136        Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
 137      } else {
 138        genFun.__proto__ = GeneratorFunctionPrototype;
 139        define(genFun, toStringTagSymbol, "GeneratorFunction");
 140      }
 141      genFun.prototype = Object.create(Gp);
 142      return genFun;
 143    };
 144  
 145    // Within the body of any async function, `await x` is transformed to
 146    // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
 147    // `hasOwn.call(value, "__await")` to determine if the yielded value is
 148    // meant to be awaited.
 149    exports.awrap = function(arg) {
 150      return { __await: arg };
 151    };
 152  
 153    function AsyncIterator(generator, PromiseImpl) {
 154      function invoke(method, arg, resolve, reject) {
 155        var record = tryCatch(generator[method], generator, arg);
 156        if (record.type === "throw") {
 157          reject(record.arg);
 158        } else {
 159          var result = record.arg;
 160          var value = result.value;
 161          if (value &&
 162              typeof value === "object" &&
 163              hasOwn.call(value, "__await")) {
 164            return PromiseImpl.resolve(value.__await).then(function(value) {
 165              invoke("next", value, resolve, reject);
 166            }, function(err) {
 167              invoke("throw", err, resolve, reject);
 168            });
 169          }
 170  
 171          return PromiseImpl.resolve(value).then(function(unwrapped) {
 172            // When a yielded Promise is resolved, its final value becomes
 173            // the .value of the Promise<{value,done}> result for the
 174            // current iteration.
 175            result.value = unwrapped;
 176            resolve(result);
 177          }, function(error) {
 178            // If a rejected Promise was yielded, throw the rejection back
 179            // into the async generator function so it can be handled there.
 180            return invoke("throw", error, resolve, reject);
 181          });
 182        }
 183      }
 184  
 185      var previousPromise;
 186  
 187      function enqueue(method, arg) {
 188        function callInvokeWithMethodAndArg() {
 189          return new PromiseImpl(function(resolve, reject) {
 190            invoke(method, arg, resolve, reject);
 191          });
 192        }
 193  
 194        return previousPromise =
 195          // If enqueue has been called before, then we want to wait until
 196          // all previous Promises have been resolved before calling invoke,
 197          // so that results are always delivered in the correct order. If
 198          // enqueue has not been called before, then it is important to
 199          // call invoke immediately, without waiting on a callback to fire,
 200          // so that the async generator function has the opportunity to do
 201          // any necessary setup in a predictable way. This predictability
 202          // is why the Promise constructor synchronously invokes its
 203          // executor callback, and why async functions synchronously
 204          // execute code before the first await. Since we implement simple
 205          // async functions in terms of async generators, it is especially
 206          // important to get this right, even though it requires care.
 207          previousPromise ? previousPromise.then(
 208            callInvokeWithMethodAndArg,
 209            // Avoid propagating failures to Promises returned by later
 210            // invocations of the iterator.
 211            callInvokeWithMethodAndArg
 212          ) : callInvokeWithMethodAndArg();
 213      }
 214  
 215      // Define the unified helper method that is used to implement .next,
 216      // .throw, and .return (see defineIteratorMethods).
 217      this._invoke = enqueue;
 218    }
 219  
 220    defineIteratorMethods(AsyncIterator.prototype);
 221    define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
 222      return this;
 223    });
 224    exports.AsyncIterator = AsyncIterator;
 225  
 226    // Note that simple async functions are implemented on top of
 227    // AsyncIterator objects; they just return a Promise for the value of
 228    // the final result produced by the iterator.
 229    exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {
 230      if (PromiseImpl === void 0) PromiseImpl = Promise;
 231  
 232      var iter = new AsyncIterator(
 233        wrap(innerFn, outerFn, self, tryLocsList),
 234        PromiseImpl
 235      );
 236  
 237      return exports.isGeneratorFunction(outerFn)
 238        ? iter // If outerFn is a generator, return the full iterator.
 239        : iter.next().then(function(result) {
 240            return result.done ? result.value : iter.next();
 241          });
 242    };
 243  
 244    function makeInvokeMethod(innerFn, self, context) {
 245      var state = GenStateSuspendedStart;
 246  
 247      return function invoke(method, arg) {
 248        if (state === GenStateExecuting) {
 249          throw new Error("Generator is already running");
 250        }
 251  
 252        if (state === GenStateCompleted) {
 253          if (method === "throw") {
 254            throw arg;
 255          }
 256  
 257          // Be forgiving, per 25.3.3.3.3 of the spec:
 258          // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
 259          return doneResult();
 260        }
 261  
 262        context.method = method;
 263        context.arg = arg;
 264  
 265        while (true) {
 266          var delegate = context.delegate;
 267          if (delegate) {
 268            var delegateResult = maybeInvokeDelegate(delegate, context);
 269            if (delegateResult) {
 270              if (delegateResult === ContinueSentinel) continue;
 271              return delegateResult;
 272            }
 273          }
 274  
 275          if (context.method === "next") {
 276            // Setting context._sent for legacy support of Babel's
 277            // function.sent implementation.
 278            context.sent = context._sent = context.arg;
 279  
 280          } else if (context.method === "throw") {
 281            if (state === GenStateSuspendedStart) {
 282              state = GenStateCompleted;
 283              throw context.arg;
 284            }
 285  
 286            context.dispatchException(context.arg);
 287  
 288          } else if (context.method === "return") {
 289            context.abrupt("return", context.arg);
 290          }
 291  
 292          state = GenStateExecuting;
 293  
 294          var record = tryCatch(innerFn, self, context);
 295          if (record.type === "normal") {
 296            // If an exception is thrown from innerFn, we leave state ===
 297            // GenStateExecuting and loop back for another invocation.
 298            state = context.done
 299              ? GenStateCompleted
 300              : GenStateSuspendedYield;
 301  
 302            if (record.arg === ContinueSentinel) {
 303              continue;
 304            }
 305  
 306            return {
 307              value: record.arg,
 308              done: context.done
 309            };
 310  
 311          } else if (record.type === "throw") {
 312            state = GenStateCompleted;
 313            // Dispatch the exception by looping back around to the
 314            // context.dispatchException(context.arg) call above.
 315            context.method = "throw";
 316            context.arg = record.arg;
 317          }
 318        }
 319      };
 320    }
 321  
 322    // Call delegate.iterator[context.method](context.arg) and handle the
 323    // result, either by returning a { value, done } result from the
 324    // delegate iterator, or by modifying context.method and context.arg,
 325    // setting context.delegate to null, and returning the ContinueSentinel.
 326    function maybeInvokeDelegate(delegate, context) {
 327      var method = delegate.iterator[context.method];
 328      if (method === undefined) {
 329        // A .throw or .return when the delegate iterator has no .throw
 330        // method always terminates the yield* loop.
 331        context.delegate = null;
 332  
 333        if (context.method === "throw") {
 334          // Note: ["return"] must be used for ES3 parsing compatibility.
 335          if (delegate.iterator["return"]) {
 336            // If the delegate iterator has a return method, give it a
 337            // chance to clean up.
 338            context.method = "return";
 339            context.arg = undefined;
 340            maybeInvokeDelegate(delegate, context);
 341  
 342            if (context.method === "throw") {
 343              // If maybeInvokeDelegate(context) changed context.method from
 344              // "return" to "throw", let that override the TypeError below.
 345              return ContinueSentinel;
 346            }
 347          }
 348  
 349          context.method = "throw";
 350          context.arg = new TypeError(
 351            "The iterator does not provide a 'throw' method");
 352        }
 353  
 354        return ContinueSentinel;
 355      }
 356  
 357      var record = tryCatch(method, delegate.iterator, context.arg);
 358  
 359      if (record.type === "throw") {
 360        context.method = "throw";
 361        context.arg = record.arg;
 362        context.delegate = null;
 363        return ContinueSentinel;
 364      }
 365  
 366      var info = record.arg;
 367  
 368      if (! info) {
 369        context.method = "throw";
 370        context.arg = new TypeError("iterator result is not an object");
 371        context.delegate = null;
 372        return ContinueSentinel;
 373      }
 374  
 375      if (info.done) {
 376        // Assign the result of the finished delegate to the temporary
 377        // variable specified by delegate.resultName (see delegateYield).
 378        context[delegate.resultName] = info.value;
 379  
 380        // Resume execution at the desired location (see delegateYield).
 381        context.next = delegate.nextLoc;
 382  
 383        // If context.method was "throw" but the delegate handled the
 384        // exception, let the outer generator proceed normally. If
 385        // context.method was "next", forget context.arg since it has been
 386        // "consumed" by the delegate iterator. If context.method was
 387        // "return", allow the original .return call to continue in the
 388        // outer generator.
 389        if (context.method !== "return") {
 390          context.method = "next";
 391          context.arg = undefined;
 392        }
 393  
 394      } else {
 395        // Re-yield the result returned by the delegate method.
 396        return info;
 397      }
 398  
 399      // The delegate iterator is finished, so forget it and continue with
 400      // the outer generator.
 401      context.delegate = null;
 402      return ContinueSentinel;
 403    }
 404  
 405    // Define Generator.prototype.{next,throw,return} in terms of the
 406    // unified ._invoke helper method.
 407    defineIteratorMethods(Gp);
 408  
 409    define(Gp, toStringTagSymbol, "Generator");
 410  
 411    // A Generator should always return itself as the iterator object when the
 412    // @@iterator function is called on it. Some browsers' implementations of the
 413    // iterator prototype chain incorrectly implement this, causing the Generator
 414    // object to not be returned from this call. This ensures that doesn't happen.
 415    // See https://github.com/facebook/regenerator/issues/274 for more details.
 416    define(Gp, iteratorSymbol, function() {
 417      return this;
 418    });
 419  
 420    define(Gp, "toString", function() {
 421      return "[object Generator]";
 422    });
 423  
 424    function pushTryEntry(locs) {
 425      var entry = { tryLoc: locs[0] };
 426  
 427      if (1 in locs) {
 428        entry.catchLoc = locs[1];
 429      }
 430  
 431      if (2 in locs) {
 432        entry.finallyLoc = locs[2];
 433        entry.afterLoc = locs[3];
 434      }
 435  
 436      this.tryEntries.push(entry);
 437    }
 438  
 439    function resetTryEntry(entry) {
 440      var record = entry.completion || {};
 441      record.type = "normal";
 442      delete record.arg;
 443      entry.completion = record;
 444    }
 445  
 446    function Context(tryLocsList) {
 447      // The root entry object (effectively a try statement without a catch
 448      // or a finally block) gives us a place to store values thrown from
 449      // locations where there is no enclosing try statement.
 450      this.tryEntries = [{ tryLoc: "root" }];
 451      tryLocsList.forEach(pushTryEntry, this);
 452      this.reset(true);
 453    }
 454  
 455    exports.keys = function(object) {
 456      var keys = [];
 457      for (var key in object) {
 458        keys.push(key);
 459      }
 460      keys.reverse();
 461  
 462      // Rather than returning an object with a next method, we keep
 463      // things simple and return the next function itself.
 464      return function next() {
 465        while (keys.length) {
 466          var key = keys.pop();
 467          if (key in object) {
 468            next.value = key;
 469            next.done = false;
 470            return next;
 471          }
 472        }
 473  
 474        // To avoid creating an additional object, we just hang the .value
 475        // and .done properties off the next function object itself. This
 476        // also ensures that the minifier will not anonymize the function.
 477        next.done = true;
 478        return next;
 479      };
 480    };
 481  
 482    function values(iterable) {
 483      if (iterable) {
 484        var iteratorMethod = iterable[iteratorSymbol];
 485        if (iteratorMethod) {
 486          return iteratorMethod.call(iterable);
 487        }
 488  
 489        if (typeof iterable.next === "function") {
 490          return iterable;
 491        }
 492  
 493        if (!isNaN(iterable.length)) {
 494          var i = -1, next = function next() {
 495            while (++i < iterable.length) {
 496              if (hasOwn.call(iterable, i)) {
 497                next.value = iterable[i];
 498                next.done = false;
 499                return next;
 500              }
 501            }
 502  
 503            next.value = undefined;
 504            next.done = true;
 505  
 506            return next;
 507          };
 508  
 509          return next.next = next;
 510        }
 511      }
 512  
 513      // Return an iterator with no values.
 514      return { next: doneResult };
 515    }
 516    exports.values = values;
 517  
 518    function doneResult() {
 519      return { value: undefined, done: true };
 520    }
 521  
 522    Context.prototype = {
 523      constructor: Context,
 524  
 525      reset: function(skipTempReset) {
 526        this.prev = 0;
 527        this.next = 0;
 528        // Resetting context._sent for legacy support of Babel's
 529        // function.sent implementation.
 530        this.sent = this._sent = undefined;
 531        this.done = false;
 532        this.delegate = null;
 533  
 534        this.method = "next";
 535        this.arg = undefined;
 536  
 537        this.tryEntries.forEach(resetTryEntry);
 538  
 539        if (!skipTempReset) {
 540          for (var name in this) {
 541            // Not sure about the optimal order of these conditions:
 542            if (name.charAt(0) === "t" &&
 543                hasOwn.call(this, name) &&
 544                !isNaN(+name.slice(1))) {
 545              this[name] = undefined;
 546            }
 547          }
 548        }
 549      },
 550  
 551      stop: function() {
 552        this.done = true;
 553  
 554        var rootEntry = this.tryEntries[0];
 555        var rootRecord = rootEntry.completion;
 556        if (rootRecord.type === "throw") {
 557          throw rootRecord.arg;
 558        }
 559  
 560        return this.rval;
 561      },
 562  
 563      dispatchException: function(exception) {
 564        if (this.done) {
 565          throw exception;
 566        }
 567  
 568        var context = this;
 569        function handle(loc, caught) {
 570          record.type = "throw";
 571          record.arg = exception;
 572          context.next = loc;
 573  
 574          if (caught) {
 575            // If the dispatched exception was caught by a catch block,
 576            // then let that catch block handle the exception normally.
 577            context.method = "next";
 578            context.arg = undefined;
 579          }
 580  
 581          return !! caught;
 582        }
 583  
 584        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
 585          var entry = this.tryEntries[i];
 586          var record = entry.completion;
 587  
 588          if (entry.tryLoc === "root") {
 589            // Exception thrown outside of any try block that could handle
 590            // it, so set the completion value of the entire function to
 591            // throw the exception.
 592            return handle("end");
 593          }
 594  
 595          if (entry.tryLoc <= this.prev) {
 596            var hasCatch = hasOwn.call(entry, "catchLoc");
 597            var hasFinally = hasOwn.call(entry, "finallyLoc");
 598  
 599            if (hasCatch && hasFinally) {
 600              if (this.prev < entry.catchLoc) {
 601                return handle(entry.catchLoc, true);
 602              } else if (this.prev < entry.finallyLoc) {
 603                return handle(entry.finallyLoc);
 604              }
 605  
 606            } else if (hasCatch) {
 607              if (this.prev < entry.catchLoc) {
 608                return handle(entry.catchLoc, true);
 609              }
 610  
 611            } else if (hasFinally) {
 612              if (this.prev < entry.finallyLoc) {
 613                return handle(entry.finallyLoc);
 614              }
 615  
 616            } else {
 617              throw new Error("try statement without catch or finally");
 618            }
 619          }
 620        }
 621      },
 622  
 623      abrupt: function(type, arg) {
 624        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
 625          var entry = this.tryEntries[i];
 626          if (entry.tryLoc <= this.prev &&
 627              hasOwn.call(entry, "finallyLoc") &&
 628              this.prev < entry.finallyLoc) {
 629            var finallyEntry = entry;
 630            break;
 631          }
 632        }
 633  
 634        if (finallyEntry &&
 635            (type === "break" ||
 636             type === "continue") &&
 637            finallyEntry.tryLoc <= arg &&
 638            arg <= finallyEntry.finallyLoc) {
 639          // Ignore the finally entry if control is not jumping to a
 640          // location outside the try/catch block.
 641          finallyEntry = null;
 642        }
 643  
 644        var record = finallyEntry ? finallyEntry.completion : {};
 645        record.type = type;
 646        record.arg = arg;
 647  
 648        if (finallyEntry) {
 649          this.method = "next";
 650          this.next = finallyEntry.finallyLoc;
 651          return ContinueSentinel;
 652        }
 653  
 654        return this.complete(record);
 655      },
 656  
 657      complete: function(record, afterLoc) {
 658        if (record.type === "throw") {
 659          throw record.arg;
 660        }
 661  
 662        if (record.type === "break" ||
 663            record.type === "continue") {
 664          this.next = record.arg;
 665        } else if (record.type === "return") {
 666          this.rval = this.arg = record.arg;
 667          this.method = "return";
 668          this.next = "end";
 669        } else if (record.type === "normal" && afterLoc) {
 670          this.next = afterLoc;
 671        }
 672  
 673        return ContinueSentinel;
 674      },
 675  
 676      finish: function(finallyLoc) {
 677        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
 678          var entry = this.tryEntries[i];
 679          if (entry.finallyLoc === finallyLoc) {
 680            this.complete(entry.completion, entry.afterLoc);
 681            resetTryEntry(entry);
 682            return ContinueSentinel;
 683          }
 684        }
 685      },
 686  
 687      "catch": function(tryLoc) {
 688        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
 689          var entry = this.tryEntries[i];
 690          if (entry.tryLoc === tryLoc) {
 691            var record = entry.completion;
 692            if (record.type === "throw") {
 693              var thrown = record.arg;
 694              resetTryEntry(entry);
 695            }
 696            return thrown;
 697          }
 698        }
 699  
 700        // The context.catch method must only be called with a location
 701        // argument that corresponds to a known catch block.
 702        throw new Error("illegal catch attempt");
 703      },
 704  
 705      delegateYield: function(iterable, resultName, nextLoc) {
 706        this.delegate = {
 707          iterator: values(iterable),
 708          resultName: resultName,
 709          nextLoc: nextLoc
 710        };
 711  
 712        if (this.method === "next") {
 713          // Deliberately forget the last sent value so that we don't
 714          // accidentally pass it on to the delegate.
 715          this.arg = undefined;
 716        }
 717  
 718        return ContinueSentinel;
 719      }
 720    };
 721  
 722    // Regardless of whether this script is executing as a CommonJS module
 723    // or not, return the runtime object so that we can declare the variable
 724    // regeneratorRuntime in the outer scope, which allows this module to be
 725    // injected easily by `bin/regenerator --include-runtime script.js`.
 726    return exports;
 727  
 728  }(
 729    // If this script is executing as a CommonJS module, use module.exports
 730    // as the regeneratorRuntime namespace. Otherwise create a new empty
 731    // object. Either way, the resulting object will be used to initialize
 732    // the regeneratorRuntime variable at the top of this file.
 733    typeof module === "object" ? module.exports : {}
 734  ));
 735  
 736  try {
 737    regeneratorRuntime = runtime;
 738  } catch (accidentalStrictMode) {
 739    // This module should not be running in strict mode, so the above
 740    // assignment should always work unless something is misconfigured. Just
 741    // in case runtime.js accidentally runs in strict mode, in modern engines
 742    // we can explicitly access globalThis. In older engines we can escape
 743    // strict mode using a global Function call. This could conceivably fail
 744    // if a Content Security Policy forbids using Function, but in that case
 745    // the proper solution is to fix the accidental strict mode problem. If
 746    // you've misconfigured your bundler to force strict mode and applied a
 747    // CSP to forbid Function, and you're not willing to fix either of those
 748    // problems, please detail your unique predicament in a GitHub issue.
 749    if (typeof globalThis === "object") {
 750      globalThis.regeneratorRuntime = runtime;
 751    } else {
 752      Function("r", "regeneratorRuntime = r")(runtime);
 753    }
 754  }