sass/sass.dart.js

A pure JavaScript implementation of Sass.

exports.load = function(_cli_pkg_requires) {
// make sure to keep this as 'var'
// we don't want block scoping

var dartNodePreambleSelf = typeof global !== "undefined" ? global : window;

var self = Object.create(dartNodePreambleSelf);

self.scheduleImmediate = typeof setImmediate !== "undefined"
    ? function (cb) {
        setImmediate(cb);
      }
    : function(cb) {
        setTimeout(cb, 0);
      };

// CommonJS globals.
self.exports = exports;

// Node.js specific exports, check to see if they exist & or polyfilled

if (typeof process !== "undefined") {
  self.process = process;
}

if (typeof __dirname !== "undefined") {
  self.__dirname = __dirname;
}

if (typeof __filename !== "undefined") {
  self.__filename = __filename;
}

if (typeof Buffer !== "undefined") {
  self.Buffer = Buffer;
}

// if we're running in a browser, Dart supports most of this out of box
// make sure we only run these in Node.js environment

var dartNodeIsActuallyNode = !dartNodePreambleSelf.window

try {
  // Check if we're in a Web Worker instead.
  if ("undefined" !== typeof WorkerGlobalScope && dartNodePreambleSelf instanceof WorkerGlobalScope) {
    dartNodeIsActuallyNode = false;
  }

  // Check if we're in Electron, with Node.js integration, and override if true.
  if ("undefined" !== typeof process && process.versions && process.versions.hasOwnProperty('electron') && process.versions.hasOwnProperty('node')) {
    dartNodeIsActuallyNode = true;
  }
} catch(e) {}

if (dartNodeIsActuallyNode) {
  // This line is to:
  // 1) Prevent Webpack from bundling.
  // 2) In Webpack on Node.js, make sure we're using the native Node.js require, which is available via __non_webpack_require__
  // https://github.com/mbullington/node_preamble.dart/issues/18#issuecomment-527305561
  var url = ("undefined" !== typeof __webpack_require__ ? __non_webpack_require__ : require)("url");

  // Setting `self.location=` in Electron throws a `TypeError`, so we define it
  // as a property instead to be safe.
  Object.defineProperty(self, "location", {
    value: {
      get href() {
        if (url.pathToFileURL) {
          return url.pathToFileURL(process.cwd()).href + "/";
        } else {
          // This isn't really a correct transformation, but it's the best we have
          // for versions of Node <10.12.0 which introduced `url.pathToFileURL()`.
          // For example, it will fail for paths that contain characters that need
          // to be escaped in URLs.
          return "file://" + (function() {
            var cwd = process.cwd();
            if (process.platform != "win32") return cwd;
            return "/" + cwd.replace(/\\/g, "/");
          })() + "/"
        }
      }
    }
  });

  (function() {
    function computeCurrentScript() {
      try {
        throw new Error();
      } catch(e) {
        var stack = e.stack;
        var re = new RegExp("^ *at [^(]*\\((.*):[0-9]*:[0-9]*\\)$", "mg");
        var lastMatch = null;
        do {
          var match = re.exec(stack);
          if (match != null) lastMatch = match;
        } while (match != null);
        return lastMatch[1];
      }
    }

    // Setting `self.document=` isn't known to throw an error anywhere like
    // `self.location=` does on Electron, but it's better to be future-proof
    // just in case..
    var cachedCurrentScript = null;
    Object.defineProperty(self, "document", {
      value: {
        get currentScript() {
          if (cachedCurrentScript == null) {
            cachedCurrentScript = {src: computeCurrentScript()};
          }
          return cachedCurrentScript;
        }
      }
    });
  })();

  self.dartDeferredLibraryLoader = function(uri, successCallback, errorCallback) {
    try {
     load(uri);
      successCallback();
    } catch (error) {
      errorCallback(error);
    }
  };
}

self.util = require("util");
self.immutable = require("immutable");
self.fs = require("fs");
self.chokidar = _cli_pkg_requires.chokidar;
self.readline = _cli_pkg_requires.readline;
// Generated by dart2js (NullSafetyMode.sound, trust primitives, omit checks, lax runtime type, no-legacy-javascript, new-holders, csp), the Dart to JavaScript compiler version: 2.15.1.
// The code supports the following hooks:
// dartPrint(message):
//    if this function is defined it is called instead of the Dart [print]
//    method.
//
// dartMainRunner(main, args):
//    if this function is defined, the Dart [main] method will not be invoked
//    directly. Instead, a closure that will invoke [main], and its arguments
//    [args] is passed to [dartMainRunner].
//
// dartDeferredLibraryLoader(uri, successCallback, errorCallback, loadId):
//    if this function is defined, it will be called when a deferred library
//    is loaded. It should load and eval the javascript of `uri`, and call
//    successCallback. If it fails to do so, it should call errorCallback with
//    an error. The loadId argument is the deferred import that resulted in
//    this uri being loaded.
//
// dartCallInstrumentation(id, qualifiedName):
//    if this function is defined, it will be called at each entry of a
//    method or constructor. Used only when compiling programs with
//    --experiment-call-instrumentation.
(function dartProgram() {
  function copyProperties(from, to) {
    var keys = Object.keys(from);
    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      to[key] = from[key];
    }
  }
  function mixinPropertiesHard(from, to) {
    var keys = Object.keys(from);
    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      if (!to.hasOwnProperty(key))
        to[key] = from[key];
    }
  }
  function mixinPropertiesEasy(from, to) {
    Object.assign(to, from);
  }
  var supportsDirectProtoAccess = function() {
    var cls = function() {
    };
    cls.prototype = {p: {}};
    var object = new cls();
    if (!(object.__proto__ && object.__proto__.p === cls.prototype.p))
      return false;
    try {
      if (typeof navigator != "undefined" && typeof navigator.userAgent == "string" && navigator.userAgent.indexOf("Chrome/") >= 0)
        return true;
      if (typeof version == "function" && version.length == 0) {
        var v = version();
        if (/^\d+\.\d+\.\d+\.\d+$/.test(v))
          return true;
      }
    } catch (_) {
    }
    return false;
  }();
  function setFunctionNamesIfNecessary(holders) {
    function t() {
    }
    ;
    if (typeof t.name == "string")
      return;
    for (var i = 0; i < holders.length; i++) {
      var holder = holders[i];
      var keys = Object.keys(holder);
      for (var j = 0; j < keys.length; j++) {
        var key = keys[j];
        var f = holder[key];
        if (typeof f == "function")
          f.name = key;
      }
    }
  }
  function inherit(cls, sup) {
    cls.prototype.constructor = cls;
    cls.prototype["$is" + cls.name] = cls;
    if (sup != null) {
      if (supportsDirectProtoAccess) {
        cls.prototype.__proto__ = sup.prototype;
        return;
      }
      var clsPrototype = Object.create(sup.prototype);
      copyProperties(cls.prototype, clsPrototype);
      cls.prototype = clsPrototype;
    }
  }
  function inheritMany(sup, classes) {
    for (var i = 0; i < classes.length; i++)
      inherit(classes[i], sup);
  }
  function mixinEasy(cls, mixin) {
    mixinPropertiesEasy(mixin.prototype, cls.prototype);
    cls.prototype.constructor = cls;
  }
  function mixinHard(cls, mixin) {
    mixinPropertiesHard(mixin.prototype, cls.prototype);
    cls.prototype.constructor = cls;
  }
  function lazyOld(holder, name, getterName, initializer) {
    var uninitializedSentinel = holder;
    holder[name] = uninitializedSentinel;
    holder[getterName] = function() {
      holder[getterName] = function() {
        A.throwCyclicInit(name);
      };
      var result;
      var sentinelInProgress = initializer;
      try {
        if (holder[name] === uninitializedSentinel) {
          result = holder[name] = sentinelInProgress;
          result = holder[name] = initializer();
        } else
          result = holder[name];
      } finally {
        if (result === sentinelInProgress)
          holder[name] = null;
        holder[getterName] = function() {
          return this[name];
        };
      }
      return result;
    };
  }
  function lazy(holder, name, getterName, initializer) {
    var uninitializedSentinel = holder;
    holder[name] = uninitializedSentinel;
    holder[getterName] = function() {
      if (holder[name] === uninitializedSentinel)
        holder[name] = initializer();
      holder[getterName] = function() {
        return this[name];
      };
      return holder[name];
    };
  }
  function lazyFinal(holder, name, getterName, initializer) {
    var uninitializedSentinel = holder;
    holder[name] = uninitializedSentinel;
    holder[getterName] = function() {
      if (holder[name] === uninitializedSentinel) {
        var value = initializer();
        if (holder[name] !== uninitializedSentinel)
          A.throwLateFieldADI(name);
        holder[name] = value;
      }
      holder[getterName] = function() {
        return this[name];
      };
      return holder[name];
    };
  }
  function makeConstList(list) {
    list.immutable$list = Array;
    list.fixed$length = Array;
    return list;
  }
  function convertToFastObject(properties) {
    function t() {
    }
    t.prototype = properties;
    new t();
    return properties;
  }
  function convertAllToFastObject(arrayOfObjects) {
    for (var i = 0; i < arrayOfObjects.length; ++i)
      convertToFastObject(arrayOfObjects[i]);
  }
  var functionCounter = 0;
  function instanceTearOffGetter(isIntercepted, parameters) {
    var cache = null;
    return isIntercepted ? function(receiver) {
      if (cache === null)
        cache = A.closureFromTearOff(parameters);
      return new cache(receiver, this);
    } : function() {
      if (cache === null)
        cache = A.closureFromTearOff(parameters);
      return new cache(this, null);
    };
  }
  function staticTearOffGetter(parameters) {
    var cache = null;
    return function() {
      if (cache === null)
        cache = A.closureFromTearOff(parameters).prototype;
      return cache;
    };
  }
  var typesOffset = 0;
  function tearOffParameters(container, isStatic, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, needsDirectAccess) {
    if (typeof funType == "number")
      funType += typesOffset;
    return {co: container, iS: isStatic, iI: isIntercepted, rC: requiredParameterCount, dV: optionalParameterDefaultValues, cs: callNames, fs: funsOrNames, fT: funType, aI: applyIndex || 0, nDA: needsDirectAccess};
  }
  function installStaticTearOff(holder, getterName, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex) {
    var parameters = tearOffParameters(holder, true, false, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, false);
    var getterFunction = staticTearOffGetter(parameters);
    holder[getterName] = getterFunction;
  }
  function installInstanceTearOff(prototype, getterName, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, needsDirectAccess) {
    isIntercepted = !!isIntercepted;
    var parameters = tearOffParameters(prototype, false, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, funsOrNames, funType, applyIndex, !!needsDirectAccess);
    var getterFunction = instanceTearOffGetter(isIntercepted, parameters);
    prototype[getterName] = getterFunction;
  }
  function setOrUpdateInterceptorsByTag(newTags) {
    var tags = init.interceptorsByTag;
    if (!tags) {
      init.interceptorsByTag = newTags;
      return;
    }
    copyProperties(newTags, tags);
  }
  function setOrUpdateLeafTags(newTags) {
    var tags = init.leafTags;
    if (!tags) {
      init.leafTags = newTags;
      return;
    }
    copyProperties(newTags, tags);
  }
  function updateTypes(newTypes) {
    var types = init.types;
    var length = types.length;
    types.push.apply(types, newTypes);
    return length;
  }
  function updateHolder(holder, newHolder) {
    copyProperties(newHolder, holder);
    return holder;
  }
  var hunkHelpers = function() {
    var mkInstance = function(isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, applyIndex) {
        return function(container, getterName, name, funType) {
          return installInstanceTearOff(container, getterName, isIntercepted, requiredParameterCount, optionalParameterDefaultValues, callNames, [name], funType, applyIndex, false);
        };
      },
      mkStatic = function(requiredParameterCount, optionalParameterDefaultValues, callNames, applyIndex) {
        return function(container, getterName, name, funType) {
          return installStaticTearOff(container, getterName, requiredParameterCount, optionalParameterDefaultValues, callNames, [name], funType, applyIndex);
        };
      };
    return {inherit: inherit, inheritMany: inheritMany, mixin: mixinEasy, mixinHard: mixinHard, installStaticTearOff: installStaticTearOff, installInstanceTearOff: installInstanceTearOff, _instance_0u: mkInstance(0, 0, null, ["call$0"], 0), _instance_1u: mkInstance(0, 1, null, ["call$1"], 0), _instance_2u: mkInstance(0, 2, null, ["call$2"], 0), _instance_0i: mkInstance(1, 0, null, ["call$0"], 0), _instance_1i: mkInstance(1, 1, null, ["call$1"], 0), _instance_2i: mkInstance(1, 2, null, ["call$2"], 0), _static_0: mkStatic(0, null, ["call$0"], 0), _static_1: mkStatic(1, null, ["call$1"], 0), _static_2: mkStatic(2, null, ["call$2"], 0), makeConstList: makeConstList, lazy: lazy, lazyFinal: lazyFinal, lazyOld: lazyOld, updateHolder: updateHolder, convertToFastObject: convertToFastObject, setFunctionNamesIfNecessary: setFunctionNamesIfNecessary, updateTypes: updateTypes, setOrUpdateInterceptorsByTag: setOrUpdateInterceptorsByTag, setOrUpdateLeafTags: setOrUpdateLeafTags};
  }();
  function initializeDeferredHunk(hunk) {
    typesOffset = init.types.length;
    hunk(hunkHelpers, init, holders, $);
  }
  var A = {JS_CONST: function JS_CONST() {
    },
    CastIterable_CastIterable(source, $S, $T) {
      if ($S._eval$1("EfficientLengthIterable<0>")._is(source))
        return new A._EfficientLengthCastIterable(source, $S._eval$1("@<0>")._bind$1($T)._eval$1("_EfficientLengthCastIterable<1,2>"));
      return new A.CastIterable(source, $S._eval$1("@<0>")._bind$1($T)._eval$1("CastIterable<1,2>"));
    },
    LateError$fieldADI(fieldName) {
      return new A.LateError("Field '" + fieldName + "' has been assigned during initialization.");
    },
    LateError$localNI(localName) {
      return new A.LateError("Local '" + localName + "' has not been initialized.");
    },
    hexDigitValue(char) {
      var letter,
        digit = char ^ 48;
      if (digit <= 9)
        return digit;
      letter = char | 32;
      if (97 <= letter && letter <= 102)
        return letter - 87;
      return -1;
    },
    SystemHash_combine(hash, value) {
      hash = hash + value & 536870911;
      hash = hash + ((hash & 524287) << 10) & 536870911;
      return hash ^ hash >>> 6;
    },
    SystemHash_finish(hash) {
      hash = hash + ((hash & 67108863) << 3) & 536870911;
      hash ^= hash >>> 11;
      return hash + ((hash & 16383) << 15) & 536870911;
    },
    checkNotNullable(value, $name, $T) {
      return value;
    },
    SubListIterable$(_iterable, _start, _endOrLength, $E) {
      A.RangeError_checkNotNegative(_start, "start");
      if (_endOrLength != null) {
        A.RangeError_checkNotNegative(_endOrLength, "end");
        if (_start > _endOrLength)
          A.throwExpression(A.RangeError$range(_start, 0, _endOrLength, "start", null));
      }
      return new A.SubListIterable(_iterable, _start, _endOrLength, $E._eval$1("SubListIterable<0>"));
    },
    MappedIterable_MappedIterable(iterable, $function, $S, $T) {
      if (type$.EfficientLengthIterable_dynamic._is(iterable))
        return new A.EfficientLengthMappedIterable(iterable, $function, $S._eval$1("@<0>")._bind$1($T)._eval$1("EfficientLengthMappedIterable<1,2>"));
      return new A.MappedIterable(iterable, $function, $S._eval$1("@<0>")._bind$1($T)._eval$1("MappedIterable<1,2>"));
    },
    TakeIterable_TakeIterable(iterable, takeCount, $E) {
      var _s9_ = "takeCount";
      A.ArgumentError_checkNotNull(takeCount, _s9_);
      A.RangeError_checkNotNegative(takeCount, _s9_);
      if (type$.EfficientLengthIterable_dynamic._is(iterable))
        return new A.EfficientLengthTakeIterable(iterable, takeCount, $E._eval$1("EfficientLengthTakeIterable<0>"));
      return new A.TakeIterable(iterable, takeCount, $E._eval$1("TakeIterable<0>"));
    },
    SkipIterable_SkipIterable(iterable, count, $E) {
      var _s5_ = "count";
      if (type$.EfficientLengthIterable_dynamic._is(iterable)) {
        A.ArgumentError_checkNotNull(count, _s5_);
        A.RangeError_checkNotNegative(count, _s5_);
        return new A.EfficientLengthSkipIterable(iterable, count, $E._eval$1("EfficientLengthSkipIterable<0>"));
      }
      A.ArgumentError_checkNotNull(count, _s5_);
      A.RangeError_checkNotNegative(count, _s5_);
      return new A.SkipIterable(iterable, count, $E._eval$1("SkipIterable<0>"));
    },
    FollowedByIterable_FollowedByIterable$firstEfficient(first, second, $E) {
      if ($E._eval$1("EfficientLengthIterable<0>")._is(second))
        return new A.EfficientLengthFollowedByIterable(first, second, $E._eval$1("EfficientLengthFollowedByIterable<0>"));
      return new A.FollowedByIterable(first, second, $E._eval$1("FollowedByIterable<0>"));
    },
    IterableElementError_noElement() {
      return new A.StateError("No element");
    },
    IterableElementError_tooMany() {
      return new A.StateError("Too many elements");
    },
    IterableElementError_tooFew() {
      return new A.StateError("Too few elements");
    },
    Sort_sort(a, compare) {
      A.Sort__doSort(a, 0, J.get$length$asx(a) - 1, compare);
    },
    Sort__doSort(a, left, right, compare) {
      if (right - left <= 32)
        A.Sort__insertionSort(a, left, right, compare);
      else
        A.Sort__dualPivotQuicksort(a, left, right, compare);
    },
    Sort__insertionSort(a, left, right, compare) {
      var i, t1, el, j, j0;
      for (i = left + 1, t1 = J.getInterceptor$asx(a); i <= right; ++i) {
        el = t1.$index(a, i);
        j = i;
        while (true) {
          if (!(j > left && compare.call$2(t1.$index(a, j - 1), el) > 0))
            break;
          j0 = j - 1;
          t1.$indexSet(a, j, t1.$index(a, j0));
          j = j0;
        }
        t1.$indexSet(a, j, el);
      }
    },
    Sort__dualPivotQuicksort(a, left, right, compare) {
      var t0, less, great, k, ak, comp, great0, less0, pivots_are_equal, t2,
        sixth = B.JSInt_methods._tdivFast$1(right - left + 1, 6),
        index1 = left + sixth,
        index5 = right - sixth,
        index3 = B.JSInt_methods._tdivFast$1(left + right, 2),
        index2 = index3 - sixth,
        index4 = index3 + sixth,
        t1 = J.getInterceptor$asx(a),
        el1 = t1.$index(a, index1),
        el2 = t1.$index(a, index2),
        el3 = t1.$index(a, index3),
        el4 = t1.$index(a, index4),
        el5 = t1.$index(a, index5);
      if (compare.call$2(el1, el2) > 0) {
        t0 = el2;
        el2 = el1;
        el1 = t0;
      }
      if (compare.call$2(el4, el5) > 0) {
        t0 = el5;
        el5 = el4;
        el4 = t0;
      }
      if (compare.call$2(el1, el3) > 0) {
        t0 = el3;
        el3 = el1;
        el1 = t0;
      }
      if (compare.call$2(el2, el3) > 0) {
        t0 = el3;
        el3 = el2;
        el2 = t0;
      }
      if (compare.call$2(el1, el4) > 0) {
        t0 = el4;
        el4 = el1;
        el1 = t0;
      }
      if (compare.call$2(el3, el4) > 0) {
        t0 = el4;
        el4 = el3;
        el3 = t0;
      }
      if (compare.call$2(el2, el5) > 0) {
        t0 = el5;
        el5 = el2;
        el2 = t0;
      }
      if (compare.call$2(el2, el3) > 0) {
        t0 = el3;
        el3 = el2;
        el2 = t0;
      }
      if (compare.call$2(el4, el5) > 0) {
        t0 = el5;
        el5 = el4;
        el4 = t0;
      }
      t1.$indexSet(a, index1, el1);
      t1.$indexSet(a, index3, el3);
      t1.$indexSet(a, index5, el5);
      t1.$indexSet(a, index2, t1.$index(a, left));
      t1.$indexSet(a, index4, t1.$index(a, right));
      less = left + 1;
      great = right - 1;
      if (J.$eq$(compare.call$2(el2, el4), 0)) {
        for (k = less; k <= great; ++k) {
          ak = t1.$index(a, k);
          comp = compare.call$2(ak, el2);
          if (comp === 0)
            continue;
          if (comp < 0) {
            if (k !== less) {
              t1.$indexSet(a, k, t1.$index(a, less));
              t1.$indexSet(a, less, ak);
            }
            ++less;
          } else
            for (; true;) {
              comp = compare.call$2(t1.$index(a, great), el2);
              if (comp > 0) {
                --great;
                continue;
              } else {
                great0 = great - 1;
                if (comp < 0) {
                  t1.$indexSet(a, k, t1.$index(a, less));
                  less0 = less + 1;
                  t1.$indexSet(a, less, t1.$index(a, great));
                  t1.$indexSet(a, great, ak);
                  great = great0;
                  less = less0;
                  break;
                } else {
                  t1.$indexSet(a, k, t1.$index(a, great));
                  t1.$indexSet(a, great, ak);
                  great = great0;
                  break;
                }
              }
            }
        }
        pivots_are_equal = true;
      } else {
        for (k = less; k <= great; ++k) {
          ak = t1.$index(a, k);
          if (compare.call$2(ak, el2) < 0) {
            if (k !== less) {
              t1.$indexSet(a, k, t1.$index(a, less));
              t1.$indexSet(a, less, ak);
            }
            ++less;
          } else if (compare.call$2(ak, el4) > 0)
            for (; true;)
              if (compare.call$2(t1.$index(a, great), el4) > 0) {
                --great;
                if (great < k)
                  break;
                continue;
              } else {
                great0 = great - 1;
                if (compare.call$2(t1.$index(a, great), el2) < 0) {
                  t1.$indexSet(a, k, t1.$index(a, less));
                  less0 = less + 1;
                  t1.$indexSet(a, less, t1.$index(a, great));
                  t1.$indexSet(a, great, ak);
                  less = less0;
                } else {
                  t1.$indexSet(a, k, t1.$index(a, great));
                  t1.$indexSet(a, great, ak);
                }
                great = great0;
                break;
              }
        }
        pivots_are_equal = false;
      }
      t2 = less - 1;
      t1.$indexSet(a, left, t1.$index(a, t2));
      t1.$indexSet(a, t2, el2);
      t2 = great + 1;
      t1.$indexSet(a, right, t1.$index(a, t2));
      t1.$indexSet(a, t2, el4);
      A.Sort__doSort(a, left, less - 2, compare);
      A.Sort__doSort(a, great + 2, right, compare);
      if (pivots_are_equal)
        return;
      if (less < index1 && great > index5) {
        for (; J.$eq$(compare.call$2(t1.$index(a, less), el2), 0);)
          ++less;
        for (; J.$eq$(compare.call$2(t1.$index(a, great), el4), 0);)
          --great;
        for (k = less; k <= great; ++k) {
          ak = t1.$index(a, k);
          if (compare.call$2(ak, el2) === 0) {
            if (k !== less) {
              t1.$indexSet(a, k, t1.$index(a, less));
              t1.$indexSet(a, less, ak);
            }
            ++less;
          } else if (compare.call$2(ak, el4) === 0)
            for (; true;)
              if (compare.call$2(t1.$index(a, great), el4) === 0) {
                --great;
                if (great < k)
                  break;
                continue;
              } else {
                great0 = great - 1;
                if (compare.call$2(t1.$index(a, great), el2) < 0) {
                  t1.$indexSet(a, k, t1.$index(a, less));
                  less0 = less + 1;
                  t1.$indexSet(a, less, t1.$index(a, great));
                  t1.$indexSet(a, great, ak);
                  less = less0;
                } else {
                  t1.$indexSet(a, k, t1.$index(a, great));
                  t1.$indexSet(a, great, ak);
                }
                great = great0;
                break;
              }
        }
        A.Sort__doSort(a, less, great, compare);
      } else
        A.Sort__doSort(a, less, great, compare);
    },
    _CastIterableBase: function _CastIterableBase() {
    },
    CastIterator: function CastIterator(t0, t1) {
      this._source = t0;
      this.$ti = t1;
    },
    CastIterable: function CastIterable(t0, t1) {
      this._source = t0;
      this.$ti = t1;
    },
    _EfficientLengthCastIterable: function _EfficientLengthCastIterable(t0, t1) {
      this._source = t0;
      this.$ti = t1;
    },
    _CastListBase: function _CastListBase() {
    },
    _CastListBase_sort_closure: function _CastListBase_sort_closure(t0, t1) {
      this.$this = t0;
      this.compare = t1;
    },
    CastList: function CastList(t0, t1) {
      this._source = t0;
      this.$ti = t1;
    },
    CastSet: function CastSet(t0, t1, t2) {
      this._source = t0;
      this._emptySet = t1;
      this.$ti = t2;
    },
    CastMap: function CastMap(t0, t1) {
      this._source = t0;
      this.$ti = t1;
    },
    CastMap_forEach_closure: function CastMap_forEach_closure(t0, t1) {
      this.$this = t0;
      this.f = t1;
    },
    CastMap_entries_closure: function CastMap_entries_closure(t0) {
      this.$this = t0;
    },
    LateError: function LateError(t0) {
      this._message = t0;
    },
    CodeUnits: function CodeUnits(t0) {
      this._string = t0;
    },
    nullFuture_closure: function nullFuture_closure() {
    },
    SentinelValue: function SentinelValue() {
    },
    EfficientLengthIterable: function EfficientLengthIterable() {
    },
    ListIterable: function ListIterable() {
    },
    SubListIterable: function SubListIterable(t0, t1, t2, t3) {
      var _ = this;
      _.__internal$_iterable = t0;
      _._start = t1;
      _._endOrLength = t2;
      _.$ti = t3;
    },
    ListIterator: function ListIterator(t0, t1) {
      var _ = this;
      _.__internal$_iterable = t0;
      _.__internal$_length = t1;
      _.__internal$_index = 0;
      _.__internal$_current = null;
    },
    MappedIterable: function MappedIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._f = t1;
      this.$ti = t2;
    },
    EfficientLengthMappedIterable: function EfficientLengthMappedIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._f = t1;
      this.$ti = t2;
    },
    MappedIterator: function MappedIterator(t0, t1) {
      this.__internal$_current = null;
      this._iterator = t0;
      this._f = t1;
    },
    MappedListIterable: function MappedListIterable(t0, t1, t2) {
      this._source = t0;
      this._f = t1;
      this.$ti = t2;
    },
    WhereIterable: function WhereIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._f = t1;
      this.$ti = t2;
    },
    WhereIterator: function WhereIterator(t0, t1) {
      this._iterator = t0;
      this._f = t1;
    },
    ExpandIterable: function ExpandIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._f = t1;
      this.$ti = t2;
    },
    ExpandIterator: function ExpandIterator(t0, t1, t2) {
      var _ = this;
      _._iterator = t0;
      _._f = t1;
      _._currentExpansion = t2;
      _.__internal$_current = null;
    },
    TakeIterable: function TakeIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._takeCount = t1;
      this.$ti = t2;
    },
    EfficientLengthTakeIterable: function EfficientLengthTakeIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._takeCount = t1;
      this.$ti = t2;
    },
    TakeIterator: function TakeIterator(t0, t1) {
      this._iterator = t0;
      this._remaining = t1;
    },
    SkipIterable: function SkipIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._skipCount = t1;
      this.$ti = t2;
    },
    EfficientLengthSkipIterable: function EfficientLengthSkipIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._skipCount = t1;
      this.$ti = t2;
    },
    SkipIterator: function SkipIterator(t0, t1) {
      this._iterator = t0;
      this._skipCount = t1;
    },
    SkipWhileIterable: function SkipWhileIterable(t0, t1, t2) {
      this.__internal$_iterable = t0;
      this._f = t1;
      this.$ti = t2;
    },
    SkipWhileIterator: function SkipWhileIterator(t0, t1) {
      this._iterator = t0;
      this._f = t1;
      this._hasSkipped = false;
    },
    EmptyIterable: function EmptyIterable(t0) {
      this.$ti = t0;
    },
    EmptyIterator: function EmptyIterator() {
    },
    FollowedByIterable: function FollowedByIterable(t0, t1, t2) {
      this.__internal$_first = t0;
      this._second = t1;
      this.$ti = t2;
    },
    EfficientLengthFollowedByIterable: function EfficientLengthFollowedByIterable(t0, t1, t2) {
      this.__internal$_first = t0;
      this._second = t1;
      this.$ti = t2;
    },
    FollowedByIterator: function FollowedByIterator(t0, t1) {
      this._currentIterator = t0;
      this._nextIterable = t1;
    },
    WhereTypeIterable: function WhereTypeIterable(t0, t1) {
      this._source = t0;
      this.$ti = t1;
    },
    WhereTypeIterator: function WhereTypeIterator(t0, t1) {
      this._source = t0;
      this.$ti = t1;
    },
    FixedLengthListMixin: function FixedLengthListMixin() {
    },
    UnmodifiableListMixin: function UnmodifiableListMixin() {
    },
    UnmodifiableListBase: function UnmodifiableListBase() {
    },
    ReversedListIterable: function ReversedListIterable(t0, t1) {
      this._source = t0;
      this.$ti = t1;
    },
    Symbol: function Symbol(t0) {
      this.__internal$_name = t0;
    },
    __CastListBase__CastIterableBase_ListMixin: function __CastListBase__CastIterableBase_ListMixin() {
    },
    ConstantMap_ConstantMap$from(other, $K, $V) {
      var allStrings, k, object, t2,
        keys = A.List_List$from(other.get$keys(other), true, $K),
        t1 = keys.length,
        _i = 0;
      while (true) {
        if (!(_i < t1)) {
          allStrings = true;
          break;
        }
        k = keys[_i];
        if (typeof k != "string" || "__proto__" === k) {
          allStrings = false;
          break;
        }
        ++_i;
      }
      if (allStrings) {
        object = {};
        for (_i = 0; t2 = keys.length, _i < t2; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i) {
          k = keys[_i];
          object[k] = other.$index(0, k);
        }
        return new A.ConstantStringMap(t2, object, keys, $K._eval$1("@<0>")._bind$1($V)._eval$1("ConstantStringMap<1,2>"));
      }
      return new A.ConstantMapView(A.LinkedHashMap_LinkedHashMap$from(other, $K, $V), $K._eval$1("@<0>")._bind$1($V)._eval$1("ConstantMapView<1,2>"));
    },
    ConstantMap__throwUnmodifiable() {
      throw A.wrapException(A.UnsupportedError$("Cannot modify unmodifiable Map"));
    },
    instantiate1(f, T1) {
      var t1 = new A.Instantiation1(f, T1._eval$1("Instantiation1<0>"));
      t1.Instantiation$1(f);
      return t1;
    },
    unminifyOrTag(rawClassName) {
      var preserved = init.mangledGlobalNames[rawClassName];
      if (preserved != null)
        return preserved;
      return rawClassName;
    },
    isJsIndexable(object, record) {
      var result;
      if (record != null) {
        result = record.x;
        if (result != null)
          return result;
      }
      return type$.JavaScriptIndexingBehavior_dynamic._is(object);
    },
    S(value) {
      var result;
      if (typeof value == "string")
        return value;
      if (typeof value == "number") {
        if (value !== 0)
          return "" + value;
      } else if (true === value)
        return "true";
      else if (false === value)
        return "false";
      else if (value == null)
        return "null";
      result = J.toString$0$(value);
      return result;
    },
    Primitives_objectHashCode(object) {
      var hash = object.$identityHash;
      if (hash == null) {
        hash = Math.random() * 0x3fffffff | 0;
        object.$identityHash = hash;
      }
      return hash;
    },
    Primitives_parseInt(source, radix) {
      var decimalMatch, maxCharCode, digitsPart, t1, i, _null = null,
        match = /^\s*[+-]?((0x[a-f0-9]+)|(\d+)|([a-z0-9]+))\s*$/i.exec(source);
      if (match == null)
        return _null;
      decimalMatch = match[3];
      if (radix == null) {
        if (decimalMatch != null)
          return parseInt(source, 10);
        if (match[2] != null)
          return parseInt(source, 16);
        return _null;
      }
      if (radix < 2 || radix > 36)
        throw A.wrapException(A.RangeError$range(radix, 2, 36, "radix", _null));
      if (radix === 10 && decimalMatch != null)
        return parseInt(source, 10);
      if (radix < 10 || decimalMatch == null) {
        maxCharCode = radix <= 10 ? 47 + radix : 86 + radix;
        digitsPart = match[1];
        for (t1 = digitsPart.length, i = 0; i < t1; ++i)
          if ((B.JSString_methods._codeUnitAt$1(digitsPart, i) | 32) > maxCharCode)
            return _null;
      }
      return parseInt(source, radix);
    },
    Primitives_parseDouble(source) {
      var result, trimmed;
      if (!/^\s*[+-]?(?:Infinity|NaN|(?:\.\d+|\d+(?:\.\d*)?)(?:[eE][+-]?\d+)?)\s*$/.test(source))
        return null;
      result = parseFloat(source);
      if (isNaN(result)) {
        trimmed = B.JSString_methods.trim$0(source);
        if (trimmed === "NaN" || trimmed === "+NaN" || trimmed === "-NaN")
          return result;
        return null;
      }
      return result;
    },
    Primitives_objectTypeName(object) {
      return A.Primitives__objectTypeNameNewRti(object);
    },
    Primitives__objectTypeNameNewRti(object) {
      var dispatchName, t1, $constructor, constructorName;
      if (object instanceof A.Object)
        return A._rtiToString(A.instanceType(object), null);
      if (J.getInterceptor$(object) === B.Interceptor_methods || type$.UnknownJavaScriptObject._is(object)) {
        dispatchName = B.C_JS_CONST(object);
        t1 = dispatchName !== "Object" && dispatchName !== "";
        if (t1)
          return dispatchName;
        $constructor = object.constructor;
        if (typeof $constructor == "function") {
          constructorName = $constructor.name;
          if (typeof constructorName == "string")
            t1 = constructorName !== "Object" && constructorName !== "";
          else
            t1 = false;
          if (t1)
            return constructorName;
        }
      }
      return A._rtiToString(A.instanceType(object), null);
    },
    Primitives_currentUri() {
      if (!!self.location)
        return self.location.href;
      return null;
    },
    Primitives__fromCharCodeApply(array) {
      var result, i, i0, chunkEnd,
        end = array.length;
      if (end <= 500)
        return String.fromCharCode.apply(null, array);
      for (result = "", i = 0; i < end; i = i0) {
        i0 = i + 500;
        chunkEnd = i0 < end ? i0 : end;
        result += String.fromCharCode.apply(null, array.slice(i, chunkEnd));
      }
      return result;
    },
    Primitives_stringFromCodePoints(codePoints) {
      var t1, _i, i,
        a = A._setArrayType([], type$.JSArray_int);
      for (t1 = codePoints.length, _i = 0; _i < codePoints.length; codePoints.length === t1 || (0, A.throwConcurrentModificationError)(codePoints), ++_i) {
        i = codePoints[_i];
        if (!A._isInt(i))
          throw A.wrapException(A.argumentErrorValue(i));
        if (i <= 65535)
          a.push(i);
        else if (i <= 1114111) {
          a.push(55296 + (B.JSInt_methods._shrOtherPositive$1(i - 65536, 10) & 1023));
          a.push(56320 + (i & 1023));
        } else
          throw A.wrapException(A.argumentErrorValue(i));
      }
      return A.Primitives__fromCharCodeApply(a);
    },
    Primitives_stringFromCharCodes(charCodes) {
      var t1, _i, i;
      for (t1 = charCodes.length, _i = 0; _i < t1; ++_i) {
        i = charCodes[_i];
        if (!A._isInt(i))
          throw A.wrapException(A.argumentErrorValue(i));
        if (i < 0)
          throw A.wrapException(A.argumentErrorValue(i));
        if (i > 65535)
          return A.Primitives_stringFromCodePoints(charCodes);
      }
      return A.Primitives__fromCharCodeApply(charCodes);
    },
    Primitives_stringFromNativeUint8List(charCodes, start, end) {
      var i, result, i0, chunkEnd;
      if (end <= 500 && start === 0 && end === charCodes.length)
        return String.fromCharCode.apply(null, charCodes);
      for (i = start, result = ""; i < end; i = i0) {
        i0 = i + 500;
        chunkEnd = i0 < end ? i0 : end;
        result += String.fromCharCode.apply(null, charCodes.subarray(i, chunkEnd));
      }
      return result;
    },
    Primitives_stringFromCharCode(charCode) {
      var bits;
      if (0 <= charCode) {
        if (charCode <= 65535)
          return String.fromCharCode(charCode);
        if (charCode <= 1114111) {
          bits = charCode - 65536;
          return String.fromCharCode((B.JSInt_methods._shrOtherPositive$1(bits, 10) | 55296) >>> 0, bits & 1023 | 56320);
        }
      }
      throw A.wrapException(A.RangeError$range(charCode, 0, 1114111, null, null));
    },
    Primitives_lazyAsJsDate(receiver) {
      if (receiver.date === void 0)
        receiver.date = new Date(receiver._core$_value);
      return receiver.date;
    },
    Primitives_getYear(receiver) {
      var t1 = A.Primitives_lazyAsJsDate(receiver).getFullYear() + 0;
      return t1;
    },
    Primitives_getMonth(receiver) {
      var t1 = A.Primitives_lazyAsJsDate(receiver).getMonth() + 1;
      return t1;
    },
    Primitives_getDay(receiver) {
      var t1 = A.Primitives_lazyAsJsDate(receiver).getDate() + 0;
      return t1;
    },
    Primitives_getHours(receiver) {
      var t1 = A.Primitives_lazyAsJsDate(receiver).getHours() + 0;
      return t1;
    },
    Primitives_getMinutes(receiver) {
      var t1 = A.Primitives_lazyAsJsDate(receiver).getMinutes() + 0;
      return t1;
    },
    Primitives_getSeconds(receiver) {
      var t1 = A.Primitives_lazyAsJsDate(receiver).getSeconds() + 0;
      return t1;
    },
    Primitives_getMilliseconds(receiver) {
      var t1 = A.Primitives_lazyAsJsDate(receiver).getMilliseconds() + 0;
      return t1;
    },
    Primitives_functionNoSuchMethod($function, positionalArguments, namedArguments) {
      var $arguments, namedArgumentList, t1 = {};
      t1.argumentCount = 0;
      $arguments = [];
      namedArgumentList = [];
      t1.argumentCount = positionalArguments.length;
      B.JSArray_methods.addAll$1($arguments, positionalArguments);
      t1.names = "";
      if (namedArguments != null && !namedArguments.get$isEmpty(namedArguments))
        namedArguments.forEach$1(0, new A.Primitives_functionNoSuchMethod_closure(t1, namedArgumentList, $arguments));
      "" + t1.argumentCount;
      return J.noSuchMethod$1$($function, new A.JSInvocationMirror(B.Symbol_call, 0, $arguments, namedArgumentList, 0));
    },
    Primitives_applyFunction($function, positionalArguments, namedArguments) {
      var t1, argumentCount, jsStub;
      if (Array.isArray(positionalArguments))
        t1 = namedArguments == null || namedArguments.get$isEmpty(namedArguments);
      else
        t1 = false;
      if (t1) {
        argumentCount = positionalArguments.length;
        if (argumentCount === 0) {
          if (!!$function.call$0)
            return $function.call$0();
        } else if (argumentCount === 1) {
          if (!!$function.call$1)
            return $function.call$1(positionalArguments[0]);
        } else if (argumentCount === 2) {
          if (!!$function.call$2)
            return $function.call$2(positionalArguments[0], positionalArguments[1]);
        } else if (argumentCount === 3) {
          if (!!$function.call$3)
            return $function.call$3(positionalArguments[0], positionalArguments[1], positionalArguments[2]);
        } else if (argumentCount === 4) {
          if (!!$function.call$4)
            return $function.call$4(positionalArguments[0], positionalArguments[1], positionalArguments[2], positionalArguments[3]);
        } else if (argumentCount === 5)
          if (!!$function.call$5)
            return $function.call$5(positionalArguments[0], positionalArguments[1], positionalArguments[2], positionalArguments[3], positionalArguments[4]);
        jsStub = $function["call" + "$" + argumentCount];
        if (jsStub != null)
          return jsStub.apply($function, positionalArguments);
      }
      return A.Primitives__generalApplyFunction($function, positionalArguments, namedArguments);
    },
    Primitives__generalApplyFunction($function, positionalArguments, namedArguments) {
      var defaultValuesClosure, t1, defaultValues, interceptor, jsFunction, maxArguments, missingDefaults, keys, _i, defaultValue, used, t2,
        $arguments = Array.isArray(positionalArguments) ? positionalArguments : A.List_List$of(positionalArguments, true, type$.dynamic),
        argumentCount = $arguments.length,
        requiredParameterCount = $function.$requiredArgCount;
      if (argumentCount < requiredParameterCount)
        return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
      defaultValuesClosure = $function.$defaultValues;
      t1 = defaultValuesClosure == null;
      defaultValues = !t1 ? defaultValuesClosure() : null;
      interceptor = J.getInterceptor$($function);
      jsFunction = interceptor["call*"];
      if (typeof jsFunction == "string")
        jsFunction = interceptor[jsFunction];
      if (t1) {
        if (namedArguments != null && namedArguments.get$isNotEmpty(namedArguments))
          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
        if (argumentCount === requiredParameterCount)
          return jsFunction.apply($function, $arguments);
        return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
      }
      if (Array.isArray(defaultValues)) {
        if (namedArguments != null && namedArguments.get$isNotEmpty(namedArguments))
          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
        maxArguments = requiredParameterCount + defaultValues.length;
        if (argumentCount > maxArguments)
          return A.Primitives_functionNoSuchMethod($function, $arguments, null);
        if (argumentCount < maxArguments) {
          missingDefaults = defaultValues.slice(argumentCount - requiredParameterCount);
          if ($arguments === positionalArguments)
            $arguments = A.List_List$of($arguments, true, type$.dynamic);
          B.JSArray_methods.addAll$1($arguments, missingDefaults);
        }
        return jsFunction.apply($function, $arguments);
      } else {
        if (argumentCount > requiredParameterCount)
          return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
        if ($arguments === positionalArguments)
          $arguments = A.List_List$of($arguments, true, type$.dynamic);
        keys = Object.keys(defaultValues);
        if (namedArguments == null)
          for (t1 = keys.length, _i = 0; _i < keys.length; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i) {
            defaultValue = defaultValues[keys[_i]];
            if (B.C__Required === defaultValue)
              return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
            B.JSArray_methods.add$1($arguments, defaultValue);
          }
        else {
          for (t1 = keys.length, used = 0, _i = 0; _i < keys.length; keys.length === t1 || (0, A.throwConcurrentModificationError)(keys), ++_i) {
            t2 = keys[_i];
            if (namedArguments.containsKey$1(t2)) {
              ++used;
              B.JSArray_methods.add$1($arguments, namedArguments.$index(0, t2));
            } else {
              defaultValue = defaultValues[t2];
              if (B.C__Required === defaultValue)
                return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
              B.JSArray_methods.add$1($arguments, defaultValue);
            }
          }
          if (used !== namedArguments.get$length(namedArguments))
            return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
        }
        return jsFunction.apply($function, $arguments);
      }
    },
    diagnoseIndexError(indexable, index) {
      var $length, _s5_ = "index";
      if (!A._isInt(index))
        return new A.ArgumentError(true, index, _s5_, null);
      $length = J.get$length$asx(indexable);
      if (index < 0 || index >= $length)
        return A.IndexError$(index, indexable, _s5_, null, $length);
      return A.RangeError$value(index, _s5_, null);
    },
    diagnoseRangeError(start, end, $length) {
      if (start < 0 || start > $length)
        return A.RangeError$range(start, 0, $length, "start", null);
      if (end != null)
        if (end < start || end > $length)
          return A.RangeError$range(end, start, $length, "end", null);
      return new A.ArgumentError(true, end, "end", null);
    },
    argumentErrorValue(object) {
      return new A.ArgumentError(true, object, null, null);
    },
    checkNum(value) {
      return value;
    },
    wrapException(ex) {
      var wrapper, t1;
      if (ex == null)
        ex = new A.NullThrownError();
      wrapper = new Error();
      wrapper.dartException = ex;
      t1 = A.toStringWrapper;
      if ("defineProperty" in Object) {
        Object.defineProperty(wrapper, "message", {get: t1});
        wrapper.name = "";
      } else
        wrapper.toString = t1;
      return wrapper;
    },
    toStringWrapper() {
      return J.toString$0$(this.dartException);
    },
    throwExpression(ex) {
      throw A.wrapException(ex);
    },
    throwConcurrentModificationError(collection) {
      throw A.wrapException(A.ConcurrentModificationError$(collection));
    },
    TypeErrorDecoder_extractPattern(message) {
      var match, $arguments, argumentsExpr, expr, method, receiver;
      message = A.quoteStringForRegExp(message.replace(String({}), "$receiver$"));
      match = message.match(/\\\$[a-zA-Z]+\\\$/g);
      if (match == null)
        match = A._setArrayType([], type$.JSArray_String);
      $arguments = match.indexOf("\\$arguments\\$");
      argumentsExpr = match.indexOf("\\$argumentsExpr\\$");
      expr = match.indexOf("\\$expr\\$");
      method = match.indexOf("\\$method\\$");
      receiver = match.indexOf("\\$receiver\\$");
      return new A.TypeErrorDecoder(message.replace(new RegExp("\\\\\\$arguments\\\\\\$", "g"), "((?:x|[^x])*)").replace(new RegExp("\\\\\\$argumentsExpr\\\\\\$", "g"), "((?:x|[^x])*)").replace(new RegExp("\\\\\\$expr\\\\\\$", "g"), "((?:x|[^x])*)").replace(new RegExp("\\\\\\$method\\\\\\$", "g"), "((?:x|[^x])*)").replace(new RegExp("\\\\\\$receiver\\\\\\$", "g"), "((?:x|[^x])*)"), $arguments, argumentsExpr, expr, method, receiver);
    },
    TypeErrorDecoder_provokeCallErrorOn(expression) {
      return function($expr$) {
        var $argumentsExpr$ = "$arguments$";
        try {
          $expr$.$method$($argumentsExpr$);
        } catch (e) {
          return e.message;
        }
      }(expression);
    },
    TypeErrorDecoder_provokePropertyErrorOn(expression) {
      return function($expr$) {
        try {
          $expr$.$method$;
        } catch (e) {
          return e.message;
        }
      }(expression);
    },
    JsNoSuchMethodError$(_message, match) {
      var t1 = match == null,
        t2 = t1 ? null : match.method;
      return new A.JsNoSuchMethodError(_message, t2, t1 ? null : match.receiver);
    },
    unwrapException(ex) {
      if (ex == null)
        return new A.NullThrownFromJavaScriptException(ex);
      if (ex instanceof A.ExceptionAndStackTrace)
        return A.saveStackTrace(ex, ex.dartException);
      if (typeof ex !== "object")
        return ex;
      if ("dartException" in ex)
        return A.saveStackTrace(ex, ex.dartException);
      return A._unwrapNonDartException(ex);
    },
    saveStackTrace(ex, error) {
      if (type$.Error._is(error))
        if (error.$thrownJsError == null)
          error.$thrownJsError = ex;
      return error;
    },
    _unwrapNonDartException(ex) {
      var message, number, ieErrorCode, t1, nsme, notClosure, nullCall, nullLiteralCall, undefCall, undefLiteralCall, nullProperty, undefProperty, undefLiteralProperty, match, _null = null;
      if (!("message" in ex))
        return ex;
      message = ex.message;
      if ("number" in ex && typeof ex.number == "number") {
        number = ex.number;
        ieErrorCode = number & 65535;
        if ((B.JSInt_methods._shrOtherPositive$1(number, 16) & 8191) === 10)
          switch (ieErrorCode) {
            case 438:
              return A.saveStackTrace(ex, A.JsNoSuchMethodError$(A.S(message) + " (Error " + ieErrorCode + ")", _null));
            case 445:
            case 5007:
              t1 = A.S(message) + " (Error " + ieErrorCode + ")";
              return A.saveStackTrace(ex, new A.NullError(t1, _null));
          }
      }
      if (ex instanceof