function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var runtime_1 = createCommonjsModule(function (module) {
/**
 * 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) {

  var Op = Object.prototype;
  var hasOwn = Op.hasOwnProperty;
  var undefined$1; // 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 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.
    generator._invoke = 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 = {};
  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 = Gp.constructor = GeneratorFunctionPrototype;
  GeneratorFunctionPrototype.constructor = GeneratorFunction;
  GeneratorFunctionPrototype[toStringTagSymbol] =
    GeneratorFunction.displayName = "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) {
      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;
      if (!(toStringTagSymbol in genFun)) {
        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) {
    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 Promise.resolve(value.__await).then(function(value) {
            invoke("next", value, resolve, reject);
          }, function(err) {
            invoke("throw", err, resolve, reject);
          });
        }

        return Promise.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 Promise(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).
    this._invoke = enqueue;
  }

  defineIteratorMethods(AsyncIterator.prototype);
  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) {
    var iter = new AsyncIterator(
      wrap(innerFn, outerFn, self, tryLocsList)
    );

    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 method = delegate.iterator[context.method];
    if (method === undefined$1) {
      // A .throw or .return when the delegate iterator has no .throw
      // method always terminates the yield* loop.
      context.delegate = null;

      if (context.method === "throw") {
        // Note: ["return"] must be used for ES3 parsing compatibility.
        if (delegate.iterator["return"]) {
          // If the delegate iterator has a return method, give it a
          // chance to clean up.
          context.method = "return";
          context.arg = undefined$1;
          maybeInvokeDelegate(delegate, context);

          if (context.method === "throw") {
            // If maybeInvokeDelegate(context) changed context.method from
            // "return" to "throw", let that override the TypeError below.
            return ContinueSentinel;
          }
        }

        context.method = "throw";
        context.arg = new TypeError(
          "The iterator does not provide a 'throw' method");
      }

      return ContinueSentinel;
    }

    var record = tryCatch(method, delegate.iterator, context.arg);

    if (record.type === "throw") {
      context.method = "throw";
      context.arg = record.arg;
      context.delegate = null;
      return ContinueSentinel;
    }

    var info = record.arg;

    if (! info) {
      context.method = "throw";
      context.arg = new TypeError("iterator result is not an object");
      context.delegate = null;
      return ContinueSentinel;
    }

    if (info.done) {
      // Assign the result of the finished delegate to the temporary
      // variable specified by delegate.resultName (see delegateYield).
      context[delegate.resultName] = info.value;

      // Resume execution at the desired location (see delegateYield).
      context.next = delegate.nextLoc;

      // If context.method was "throw" but the delegate handled the
      // exception, let the outer generator proceed normally. If
      // context.method was "next", forget context.arg since it has been
      // "consumed" by the delegate iterator. If context.method was
      // "return", allow the original .return call to continue in the
      // outer generator.
      if (context.method !== "return") {
        context.method = "next";
        context.arg = undefined$1;
      }

    } 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);

  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.
  Gp[iteratorSymbol] = function() {
    return this;
  };

  Gp.toString = function() {
    return "[object Generator]";
  };

  function pushTryEntry(locs) {
    var entry = { tryLoc: locs[0] };

    if (1 in locs) {
      entry.catchLoc = locs[1];
    }

    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }

    this.tryEntries.push(entry);
  }

  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }

  function Context(tryLocsList) {
    // The root entry object (effectively a try statement without a catch
    // or a finally block) gives us a place to store values thrown from
    // locations where there is no enclosing try statement.
    this.tryEntries = [{ tryLoc: "root" }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset(true);
  }

  exports.keys = function(object) {
    var keys = [];
    for (var key in object) {
      keys.push(key);
    }
    keys.reverse();

    // Rather than returning an object with a next method, we keep
    // things simple and return the next function itself.
    return function next() {
      while (keys.length) {
        var key = keys.pop();
        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      // To avoid creating an additional object, we just hang the .value
      // and .done properties off the next function object itself. This
      // also ensures that the minifier will not anonymize the function.
      next.done = true;
      return next;
    };
  };

  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];
      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }

      if (typeof iterable.next === "function") {
        return iterable;
      }

      if (!isNaN(iterable.length)) {
        var i = -1, next = function next() {
          while (++i < iterable.length) {
            if (hasOwn.call(iterable, i)) {
              next.value = iterable[i];
              next.done = false;
              return next;
            }
          }

          next.value = undefined$1;
          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$1, 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$1;
      this.done = false;
      this.delegate = null;

      this.method = "next";
      this.arg = undefined$1;

      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$1;
          }
        }
      }
    },

    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$1;
        }

        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$1;
      }

      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.
  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, 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.
  Function("r", "regeneratorRuntime = r")(runtime);
}
});

var regenerator = runtime_1;

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
  try {
    var info = gen[key](arg);
    var value = info.value;
  } catch (error) {
    reject(error);
    return;
  }

  if (info.done) {
    resolve(value);
  } else {
    Promise.resolve(value).then(_next, _throw);
  }
}

function _asyncToGenerator(fn) {
  return function () {
    var self = this,
        args = arguments;
    return new Promise(function (resolve, reject) {
      var gen = fn.apply(self, args);

      function _next(value) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
      }

      function _throw(err) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
      }

      _next(undefined);
    });
  };
}

var asyncToGenerator = _asyncToGenerator;

function _classCallCheck(instance, Constructor) {
  if (!(instance instanceof Constructor)) {
    throw new TypeError("Cannot call a class as a function");
  }
}

var classCallCheck = _classCallCheck;

function _defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor) descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}

function _createClass(Constructor, protoProps, staticProps) {
  if (protoProps) _defineProperties(Constructor.prototype, protoProps);
  if (staticProps) _defineProperties(Constructor, staticProps);
  return Constructor;
}

var createClass = _createClass;

/* eslint-disable */
// this is for matches in older ie browsers
if (!Element.prototype.matches) {
  Element.prototype.matches = Element.prototype.matchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector || function (s) {
    var matches = (this.document || this.ownerDocument).querySelectorAll(s),
        i = matches.length;

    while (--i >= 0 && matches.item(i) !== this) {}

    return i > -1;
  };
} // https://tc39.github.io/ecma262/#sec-array.prototype.findindex


if (!Array.prototype.findIndex) {
  Object.defineProperty(Array.prototype, 'findIndex', {
    value: function value(predicate) {
      // 1. Let O be ? ToObject(this value).
      if (this == null) {
        throw new TypeError('"this" is null or not defined');
      }

      var o = Object(this); // 2. Let len be ? ToLength(? Get(O, "length")).

      var len = o.length >>> 0; // 3. If IsCallable(predicate) is false, throw a TypeError exception.

      if (typeof predicate !== 'function') {
        throw new TypeError('predicate must be a function');
      } // 4. If thisArg was supplied, let T be thisArg; else let T be undefined.


      var thisArg = arguments[1]; // 5. Let k be 0.

      var k = 0; // 6. Repeat, while k < len

      while (k < len) {
        // a. Let Pk be ! ToString(k).
        // b. Let kValue be ? Get(O, Pk).
        // c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
        // d. If testResult is true, return k.
        var kValue = o[k];

        if (predicate.call(thisArg, kValue, k, o)) {
          return k;
        } // e. Increase k by 1.


        k++;
      } // 7. Return -1.


      return -1;
    },
    configurable: true,
    writable: true
  });
} // this is for custom events in older ie browsers
// https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent/CustomEvent


(function () {
  if (typeof window.CustomEvent === "function") return false;

  function CustomEvent(event, params) {
    params = params || {
      bubbles: false,
      cancelable: false,
      detail: null
    };
    var evt = document.createEvent('CustomEvent');
    evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
    return evt;
  }

  CustomEvent.prototype = window.Event.prototype;
  window.CustomEvent = CustomEvent;
})();
/* eslint-enable */

var FileUploadWithPreview =
/*#__PURE__*/
function () {
  function FileUploadWithPreview(uploadId, options) {
    classCallCheck(this, FileUploadWithPreview);

    // Make sure uploadId was specified
    if (!uploadId) {
      throw new Error('No uploadId found. You must initialize file-upload-with-preview with a unique uploadId.');
    } // Set initial variables


    this.uploadId = uploadId;
    this.options = options || {};
    this.options.showDeleteButtonOnImages = this.options.hasOwnProperty('showDeleteButtonOnImages') ? this.options.showDeleteButtonOnImages : true;
    this.options.text = this.options.hasOwnProperty('text') ? this.options.text : {
      chooseFile: 'Choose file...'
    };
    this.options.text.chooseFile = this.options.text.hasOwnProperty('chooseFile') ? this.options.text.chooseFile : 'Choose file...';
    this.options.text.browse = this.options.text.hasOwnProperty('browse') ? this.options.text.browse : 'Browse';
    this.options.text.selectedCount = this.options.text.hasOwnProperty('selectedCount') ? this.options.text.selectedCount : 'files selected';
    this.options.maxFileCount = this.options.hasOwnProperty('maxFileCount') ? this.options.maxFileCount : 0;
    this.cachedFileArray = [];
    this.currentFileCount = 0; // Grab the custom file container elements

    this.el = document.querySelector(".custom-file-container[data-upload-id=\"".concat(this.uploadId, "\"]"));

    if (!this.el) {
      throw new Error("Could not find a 'custom-file-container' with the id of: ".concat(this.uploadId));
    }

    this.input = this.el.querySelector('input[type="file"]');
    this.inputLabel = this.el.querySelector('.custom-file-container__custom-file__custom-file-control');
    this.imagePreview = this.el.querySelector('.custom-file-container__image-preview');
    this.clearButton = this.el.querySelector('.custom-file-container__image-clear');
    this.inputLabel.innerHTML = this.options.text.chooseFile;
    this.addBrowseButton(this.options.text.browse); // Make sure all elements have been attached

    if (!this.el || !this.input || !this.inputLabel || !this.imagePreview || !this.clearButton) {
      throw new Error("Cannot find all necessary elements. Please make sure you have all the necessary elements in your html for the id: ".concat(this.uploadId));
    } // Check if images option is set


    this.options.images = this.options.hasOwnProperty('images') ? this.options.images : {}; // Set the base64 background images

    this.baseImage = this.options.images.hasOwnProperty('baseImage') ? this.options.images.baseImage : 'data:image/png;base64,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';
    this.successPdfImage = this.options.images.hasOwnProperty('successPdfImage') ? this.options.images.successPdfImage : 'data:image/png;base64,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';
    this.successVideoImage = this.options.images.hasOwnProperty('successVideoImage') ? this.options.images.successVideoImage : 'data:image/png;base64, ';
    this.successFileAltImage = this.options.images.hasOwnProperty('successFileAltImage') ? this.options.images.successFileAltImage : 'data:image/png;base64, ';
    this.backgroundImage = this.options.images.hasOwnProperty('backgroundImage') ? this.options.images.backgroundImage : 'data:image/png;base64, '; // Set click events

    this.bindClickEvents(); // Let's set the placeholder image

    this.imagePreview.style.backgroundImage = "url(\"".concat(this.baseImage, "\")"); // Check for any preset files and process these if provided

    this.options.presetFiles = this.options.hasOwnProperty('presetFiles') ? this.options.presetFiles : null;

    if (this.options.presetFiles) {
      // Using thenable promises because we're in the constructor
      this.addImagesFromPath(this.options.presetFiles).then(function () {}).catch(function (error) {
        console.log('Error - ' + error.toString());
        console.log('Warning - An image you added from a path is not able to be added to the cachedFileArray.');
      });
    }
  }

  createClass(FileUploadWithPreview, [{
    key: "bindClickEvents",
    value: function bindClickEvents() {
      var _this = this;

      // Grab the current instance
      var self = this; // Deal with the change event on the input

      self.input.addEventListener('change', function () {
        self.addFiles(this.files);
      }, true); // Listen for the clear button

      this.clearButton.addEventListener('click', function () {
        _this.clearPreviewPanel();
      }, true); // Listen for individual clear buttons on images

      this.imagePreview.addEventListener('click', function (event) {
        // Listen for the specific click of a clear button
        if (event.target.matches('.custom-file-container__image-multi-preview__single-image-clear__icon')) {
          // Grab the clicked function
          var clearFileButton = event.target; // Get its token

          var fileToken = clearFileButton.getAttribute('data-upload-token'); // Get the index of the file

          var selectedFileIndex = _this.cachedFileArray.findIndex(function (x) {
            return x.token === fileToken;
          });

          _this.deleteFileAtIndex(selectedFileIndex);
        }
      });
    } // Populate the cachedFileArray with images as File objects

  }, {
    key: "addFiles",
    value: function addFiles(files) {
      // Grab the current instance
      var self = this; // In this case, the user most likely had hit cancel - which does something
      // a little strange if they had already selected a single or multiple images -
      // it acts like they now have *no* files - which isn't true. We'll just check here
      // for any cached images already captured,
      // and proceed normally. If something *does* want
      // to clear their images, they'll use the clear button on the label we provide.

      if (files.length === 0) {
        return;
      }

      console.log(self); // Check for file count limit

      var adjustedFilesLength = files.length;

      if (self.options.maxFileCount > 0) {
        if (files.length + self.cachedFileArray.length > self.options.maxFileCount) {
          // Limit exceeded.  Truncate list.
          adjustedFilesLength = self.options.maxFileCount - self.cachedFileArray.length;
        }
      } // If the input is set to allow multiple files, then we'll add to
      // the existing file count and keep the cachedFileArray. If not,
      // then we'll reset the file count and reset the cachedFileArray


      if (self.input.multiple) {
        self.currentFileCount += adjustedFilesLength;
      } else {
        self.currentFileCount = adjustedFilesLength;
        self.cachedFileArray = [];
      } // Now let's loop over the added images and
      // act accordingly based on there were multiple images or not


      for (var x = 0; x < adjustedFilesLength; x++) {
        // Grab this index's file
        var file = files[x]; // To make sure each image can be treated individually, let's give
        // each file a unique token

        file.token = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15); // File/files added.

        self.cachedFileArray.push(file); // Process file

        self.processFile(file);
      } // Send out our event


      var imagesAddedEvent = new CustomEvent('fileUploadWithPreview:imagesAdded', {
        detail: {
          uploadId: self.uploadId,
          cachedFileArray: self.cachedFileArray,
          addedFilesCount: adjustedFilesLength
        }
      });
      window.dispatchEvent(imagesAddedEvent);
    } // Take a single File object and append it to the image preview panel

  }, {
    key: "processFile",
    value: function processFile(file) {
      var _this2 = this;

      // Update our input label here based on instance currentFileCount
      if (this.currentFileCount === 0) {
        this.inputLabel.innerHTML = this.options.text.chooseFile;
      } else if (this.currentFileCount === 1) {
        this.inputLabel.innerHTML = file.name;
      } else {
        this.inputLabel.innerHTML = "".concat(this.currentFileCount, " ").concat(this.options.text.selectedCount);
      }

      this.addBrowseButton(this.options.text.browse); // Apply the 'custom-file-container__image-preview--active' class

      this.imagePreview.classList.add('custom-file-container__image-preview--active'); // Set up our reader

      var reader = new FileReader();
      reader.readAsDataURL(file); // Check the file and act accordingly

      reader.onload = function () {
        // We'll pivot here and go through our cases.
        // The logic we've set is basically as follows:
        // If this is an input that only accepts a single image, then just show
        // back that single image each time, and their file count is always 1.
        // If they have `multiple` set on the input, then what we'll do is ADD
        // images to the `cachedImageArray`. We'll show the images in a grid style at all times when
        // `multiple` is set on the input. If the user wants to get rid of all the
        // images they'll used the `x` button near the input, or the `x` button on the image.
        ////////////////////////////////////////////////////
        // First, we'll deal with a single selected image //
        ////////////////////////////////////////////////////
        if (!_this2.input.multiple) {
          //If png, jpg/jpeg, gif, use the actual image
          if (file.type.match('image/png') || file.type.match('image/jpeg') || file.type.match('image/gif')) {
            _this2.imagePreview.style.backgroundImage = "url(\"".concat(reader.result, "\")");
          } else if (file.type.match('application/pdf')) {
            //PDF Upload
            _this2.imagePreview.style.backgroundImage = "url(\"".concat(_this2.successPdfImage, "\")");
          } else if (file.type.match('video/*')) {
            //Video upload
            _this2.imagePreview.style.backgroundImage = "url(\"".concat(_this2.successVideoImage, "\")");
          } else {
            //Everything else
            _this2.imagePreview.style.backgroundImage = "url(\"".concat(_this2.successFileAltImage, "\")");
          }
        } //////////////////////////////////////////////////////////
        // The next logic set is for a multiple situation, and  //
        // they want to show multiple images                    //
        //////////////////////////////////////////////////////////


        if (_this2.input.multiple) {
          // Set the main panel's background image to the blank one here
          _this2.imagePreview.style.backgroundImage = "url(\"".concat(_this2.backgroundImage, "\")"); //If png, jpg/jpeg, gif, use the actual image

          if (file.type.match('image/png') || file.type.match('image/jpeg') || file.type.match('image/gif')) {
            if (_this2.options.showDeleteButtonOnImages) {
              _this2.imagePreview.innerHTML += "\n                            <div\n                                class=\"custom-file-container__image-multi-preview\"\n                                data-upload-token=\"".concat(file.token, "\"\n                                style=\"background-image: url('").concat(reader.result, "'); \"\n                            >\n                                <span class=\"custom-file-container__image-multi-preview__single-image-clear\">\n                                    <span\n                                        class=\"custom-file-container__image-multi-preview__single-image-clear__icon\"\n                                        data-upload-token=\"").concat(file.token, "\"\n                                    >&times;</span>\n                                </span>\n                            </div>\n                        ");
            } else {
              _this2.imagePreview.innerHTML += "\n                            <div\n                                class=\"custom-file-container__image-multi-preview\"\n                                data-upload-token=\"".concat(file.token, "\"\n                                style=\"background-image: url('").concat(reader.result, "'); \"\n                            ></div>\n                        ");
            }
          } else if (file.type.match('application/pdf')) {
            //PDF Upload
            if (_this2.options.showDeleteButtonOnImages) {
              _this2.imagePreview.innerHTML += "\n                            <div\n                                class=\"custom-file-container__image-multi-preview\"\n                                data-upload-token=\"".concat(file.token, "\"\n                                style=\"background-image: url('").concat(_this2.successPdfImage, "'); \"\n                            >\n                                <span class=\"custom-file-container__image-multi-preview__single-image-clear\">\n                                    <span\n                                        class=\"custom-file-container__image-multi-preview__single-image-clear__icon\"\n                                        data-upload-token=\"").concat(file.token, "\"\n                                    >&times;</span>\n                                </span>\n                            </div>\n                        ");
            } else {
              _this2.imagePreview.innerHTML += "\n                            <div\n                                class=\"custom-file-container__image-multi-preview\"\n                                data-upload-token=\"".concat(file.token, "\"\n                                style=\"background-image: url('").concat(_this2.successPdfImage, "'); \"\n                            ></div>\n                        ");
            }
          } else if (file.type.match('video/*')) {
            //Video upload
            if (_this2.options.showDeleteButtonOnImages) {
              _this2.imagePreview.innerHTML += "\n                            <div\n                                class=\"custom-file-container__image-multi-preview\"\n                                style=\"background-image: url('".concat(_this2.successVideoImage, "'); \"\n                                data-upload-token=\"").concat(file.token, "\"\n                            >\n                                <span class=\"custom-file-container__image-multi-preview__single-image-clear\">\n                                    <span\n                                        class=\"custom-file-container__image-multi-preview__single-image-clear__icon\"\n                                        data-upload-token=\"").concat(file.token, "\"\n                                    >&times;</span>\n                                </span>\n                            </div>\n                        ");
            } else {
              _this2.imagePreview.innerHTML += "\n                            <div\n                                class=\"custom-file-container__image-multi-preview\"\n                                style=\"background-image: url('".concat(_this2.successVideoImage, "'); \"\n                                data-upload-token=\"").concat(file.token, "\"\n                            ></div>\n                        ");
            }
          } else {
            //Everything else
            if (_this2.options.showDeleteButtonOnImages) {
              _this2.imagePreview.innerHTML += "\n                            <div\n                                class=\"custom-file-container__image-multi-preview\"\n                                style=\"background-image: url('".concat(_this2.successFileAltImage, "'); \"\n                                data-upload-token=\"").concat(file.token, "\"\n                            >\n                                <span class=\"custom-file-container__image-multi-preview__single-image-clear\">\n                                    <span\n                                        class=\"custom-file-container__image-multi-preview__single-image-clear__icon\"\n                                        data-upload-token=\"").concat(file.token, "\"\n                                    >&times;</span>\n                                </span>\n                            </div>\n                        ");
            } else {
              _this2.imagePreview.innerHTML += "\n                            <div\n                                class=\"custom-file-container__image-multi-preview\"\n                                style=\"background-image: url('".concat(_this2.successFileAltImage, "'); \"\n                                data-upload-token=\"").concat(file.token, "\"\n                            ></div>\n                        ");
            }
          }
        }
      };
    } // Take an array of image paths, convert them to File objects,
    // and display them in the image preview panel
    // https://stackoverflow.com/questions/25046301/convert-url-to-file-or-blob-for-filereader-readasdataurl

  }, {
    key: "addImagesFromPath",
    value: function addImagesFromPath(files) {
      var _this3 = this;

      return new Promise(
      /*#__PURE__*/
      function () {
        var _ref = asyncToGenerator(
        /*#__PURE__*/
        regenerator.mark(function _callee(resolve, reject) {
          var presetFiles, x, response, blob, presetFile;
          return regenerator.wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  presetFiles = [];
                  x = 0;

                case 2:
                  if (!(x < files.length)) {
                    _context.next = 24;
                    break;
                  }

                  /* eslint-disable no-await-in-loop */
                  response = void 0;
                  blob = void 0;
                  _context.prev = 5;
                  _context.next = 8;
                  return fetch(files[x], {
                    mode: 'cors'
                  });

                case 8:
                  response = _context.sent;
                  _context.next = 11;
                  return response.blob();

                case 11:
                  blob = _context.sent;
                  _context.next = 18;
                  break;

                case 14:
                  _context.prev = 14;
                  _context.t0 = _context["catch"](5);
                  reject(_context.t0);
                  return _context.abrupt("continue", 21);

                case 18:
                  /* eslint-enable no-await-in-loop */
                  // Create blob and added
                  presetFile = new Blob([blob], {
                    type: blob.type
                  });
                  presetFile.name = files[x].split('/').pop();
                  presetFiles.push(presetFile);

                case 21:
                  x++;
                  _context.next = 2;
                  break;

                case 24:
                  _this3.addFiles(presetFiles);

                  resolve();

                case 26:
                case "end":
                  return _context.stop();
              }
            }
          }, _callee, null, [[5, 14]]);
        }));

        return function (_x, _x2) {
          return _ref.apply(this, arguments);
        };
      }());
    } // Take an array of File objects and display them in the image preview panel

  }, {
    key: "replaceFiles",
    value: function replaceFiles(files) {
      if (!files.length) {
        throw new Error('Array must contain at least one file.');
      } // Replace the cachedFileArray with the new files


      this.cachedFileArray = files; // Call function to refresh the preview

      this.refreshPreviewPanel();
    } // Take a single File object and index, replace existing file at that index

  }, {
    key: "replaceFileAtIndex",
    value: function replaceFileAtIndex(file, index) {
      if (!file) {
        throw new Error('No file found.');
      }

      if (!this.cachedFileArray[index]) {
        throw new Error('There is no file at index', index);
      } // Replace the cachedFileArray with the new files


      this.cachedFileArray[index] = file; // Call function to refresh the preview

      this.refreshPreviewPanel();
    } // Delete specified File from `cachedFileArray`

  }, {
    key: "deleteFileAtIndex",
    value: function deleteFileAtIndex(index) {
      // check if index exists
      if (!this.cachedFileArray[index]) {
        throw new Error('There is no file at index', index);
      } // Remove the file from the array


      this.cachedFileArray.splice(index, 1); // Call function to refresh the preview

      this.refreshPreviewPanel(); // Send out our deletion event

      var imageDeletedEvent = new CustomEvent('fileUploadWithPreview:imageDeleted', {
        detail: {
          uploadId: this.uploadId,
          cachedFileArray: this.cachedFileArray,
          currentFileCount: this.currentFileCount
        }
      });
      window.dispatchEvent(imageDeletedEvent);
    } // Refresh image preview panel with current cachedFileArray

  }, {
    key: "refreshPreviewPanel",
    value: function refreshPreviewPanel() {
      var _this4 = this;

      // Clear the imagePreview pane
      this.imagePreview.innerHTML = ''; // Reset our currentFileCount with the new proper count

      this.currentFileCount = this.cachedFileArray.length; // Load back up the images in the pane with the new updated cachedFileArray

      this.cachedFileArray.forEach(function (file) {
        return _this4.processFile(file);
      }); // If there's no images left after the latest deletion event,
      // then let's reset the panel entirely

      if (!this.cachedFileArray.length) {
        this.clearPreviewPanel();
      }
    } // Appends a browse button to input with custom button text

  }, {
    key: "addBrowseButton",
    value: function addBrowseButton(text) {
      this.inputLabel.innerHTML += "<span class=\"custom-file-container__custom-file__custom-file-control__button\"> ".concat(text, " </span>");
    } // Open the image browser

  }, {
    key: "emulateInputSelection",
    value: function emulateInputSelection() {
      this.input.click();
    } // Clear the cachedFileArray and a

  }, {
    key: "clearPreviewPanel",
    value: function clearPreviewPanel() {
      this.input.value = '';
      this.inputLabel.innerHTML = this.options.text.chooseFile;
      this.addBrowseButton(this.options.text.browse);
      this.imagePreview.style.backgroundImage = "url(\"".concat(this.baseImage, "\")");
      this.imagePreview.classList.remove('custom-file-container__image-preview--active');
      this.cachedFileArray = [];
      this.imagePreview.innerHTML = '';
      this.currentFileCount = 0;
    }
  }]);

  return FileUploadWithPreview;
}();

export default FileUploadWithPreview;
