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= require(\"regenerator-runtime\");\n","/*! npm.im/object-fit-images 3.2.4 */\n'use strict';\n\nvar OFI = 'bfred-it:object-fit-images';\nvar propRegex = /(object-fit|object-position)\\s*:\\s*([-.\\w\\s%]+)/g;\nvar testImg = typeof Image === 'undefined' ? {style: {'object-position': 1}} : new Image();\nvar supportsObjectFit = 'object-fit' in testImg.style;\nvar supportsObjectPosition = 'object-position' in testImg.style;\nvar supportsOFI = 'background-size' in testImg.style;\nvar supportsCurrentSrc = typeof testImg.currentSrc === 'string';\nvar nativeGetAttribute = testImg.getAttribute;\nvar nativeSetAttribute = testImg.setAttribute;\nvar autoModeEnabled = false;\n\nfunction createPlaceholder(w, h) {\n\treturn (\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='\" + w + \"' height='\" + h + \"'%3E%3C/svg%3E\");\n}\n\nfunction polyfillCurrentSrc(el) {\n\tif (el.srcset && !supportsCurrentSrc && window.picturefill) {\n\t\tvar pf = window.picturefill._;\n\t\t// parse srcset with picturefill where currentSrc isn't available\n\t\tif (!el[pf.ns] || !el[pf.ns].evaled) {\n\t\t\t// force synchronous srcset parsing\n\t\t\tpf.fillImg(el, {reselect: true});\n\t\t}\n\n\t\tif (!el[pf.ns].curSrc) {\n\t\t\t// force picturefill to parse srcset\n\t\t\tel[pf.ns].supported = false;\n\t\t\tpf.fillImg(el, {reselect: true});\n\t\t}\n\n\t\t// retrieve parsed currentSrc, if any\n\t\tel.currentSrc = el[pf.ns].curSrc || el.src;\n\t}\n}\n\nfunction getStyle(el) {\n\tvar style = getComputedStyle(el).fontFamily;\n\tvar parsed;\n\tvar props = {};\n\twhile ((parsed = propRegex.exec(style)) !== null) {\n\t\tprops[parsed[1]] = parsed[2];\n\t}\n\treturn props;\n}\n\nfunction setPlaceholder(img, width, height) {\n\t// Default: fill width, no height\n\tvar placeholder = createPlaceholder(width || 1, height || 0);\n\n\t// Only set placeholder if it's different\n\tif (nativeGetAttribute.call(img, 'src') !== placeholder) {\n\t\tnativeSetAttribute.call(img, 'src', placeholder);\n\t}\n}\n\nfunction onImageReady(img, callback) {\n\t// naturalWidth is only available when the image headers are loaded,\n\t// this loop will poll it every 100ms.\n\tif (img.naturalWidth) {\n\t\tcallback(img);\n\t} else {\n\t\tsetTimeout(onImageReady, 100, img, callback);\n\t}\n}\n\nfunction fixOne(el) {\n\tvar style = getStyle(el);\n\tvar ofi = el[OFI];\n\tstyle['object-fit'] = style['object-fit'] || 'fill'; // default value\n\n\t// Avoid running where unnecessary, unless OFI had already done its deed\n\tif (!ofi.img) {\n\t\t// fill is the default behavior so no action is necessary\n\t\tif (style['object-fit'] === 'fill') {\n\t\t\treturn;\n\t\t}\n\n\t\t// Where object-fit is supported and object-position isn't (Safari < 10)\n\t\tif (\n\t\t\t!ofi.skipTest && // unless user wants to apply regardless of browser support\n\t\t\tsupportsObjectFit && // if browser already supports object-fit\n\t\t\t!style['object-position'] // unless object-position is used\n\t\t) {\n\t\t\treturn;\n\t\t}\n\t}\n\n\t// keep a clone in memory while resetting the original to a blank\n\tif (!ofi.img) {\n\t\tofi.img = new Image(el.width, el.height);\n\t\tofi.img.srcset = nativeGetAttribute.call(el, \"data-ofi-srcset\") || el.srcset;\n\t\tofi.img.src = nativeGetAttribute.call(el, \"data-ofi-src\") || el.src;\n\n\t\t// preserve for any future cloneNode calls\n\t\t// https://github.com/bfred-it/object-fit-images/issues/53\n\t\tnativeSetAttribute.call(el, \"data-ofi-src\", el.src);\n\t\tif (el.srcset) {\n\t\t\tnativeSetAttribute.call(el, \"data-ofi-srcset\", el.srcset);\n\t\t}\n\n\t\tsetPlaceholder(el, el.naturalWidth || el.width, el.naturalHeight || el.height);\n\n\t\t// remove srcset because it overrides src\n\t\tif (el.srcset) {\n\t\t\tel.srcset = '';\n\t\t}\n\t\ttry {\n\t\t\tkeepSrcUsable(el);\n\t\t} catch (err) {\n\t\t\tif (window.console) {\n\t\t\t\tconsole.warn('https://bit.ly/ofi-old-browser');\n\t\t\t}\n\t\t}\n\t}\n\n\tpolyfillCurrentSrc(ofi.img);\n\n\tel.style.backgroundImage = \"url(\\\"\" + ((ofi.img.currentSrc || ofi.img.src).replace(/\"/g, '\\\\\"')) + \"\\\")\";\n\tel.style.backgroundPosition = style['object-position'] || 'center';\n\tel.style.backgroundRepeat = 'no-repeat';\n\tel.style.backgroundOrigin = 'content-box';\n\n\tif (/scale-down/.test(style['object-fit'])) {\n\t\tonImageReady(ofi.img, function () {\n\t\t\tif (ofi.img.naturalWidth > el.width || ofi.img.naturalHeight > el.height) {\n\t\t\t\tel.style.backgroundSize = 'contain';\n\t\t\t} else {\n\t\t\t\tel.style.backgroundSize = 'auto';\n\t\t\t}\n\t\t});\n\t} else {\n\t\tel.style.backgroundSize = style['object-fit'].replace('none', 'auto').replace('fill', '100% 100%');\n\t}\n\n\tonImageReady(ofi.img, function (img) {\n\t\tsetPlaceholder(el, img.naturalWidth, img.naturalHeight);\n\t});\n}\n\nfunction keepSrcUsable(el) {\n\tvar descriptors = {\n\t\tget: function get(prop) {\n\t\t\treturn el[OFI].img[prop ? prop : 'src'];\n\t\t},\n\t\tset: function set(value, prop) {\n\t\t\tel[OFI].img[prop ? prop : 'src'] = value;\n\t\t\tnativeSetAttribute.call(el, (\"data-ofi-\" + prop), value); // preserve for any future cloneNode\n\t\t\tfixOne(el);\n\t\t\treturn value;\n\t\t}\n\t};\n\tObject.defineProperty(el, 'src', descriptors);\n\tObject.defineProperty(el, 'currentSrc', {\n\t\tget: function () { return descriptors.get('currentSrc'); }\n\t});\n\tObject.defineProperty(el, 'srcset', {\n\t\tget: function () { return descriptors.get('srcset'); },\n\t\tset: function (ss) { return descriptors.set(ss, 'srcset'); }\n\t});\n}\n\nfunction hijackAttributes() {\n\tfunction getOfiImageMaybe(el, name) {\n\t\treturn el[OFI] && el[OFI].img && (name === 'src' || name === 'srcset') ? el[OFI].img : el;\n\t}\n\tif (!supportsObjectPosition) {\n\t\tHTMLImageElement.prototype.getAttribute = function (name) {\n\t\t\treturn nativeGetAttribute.call(getOfiImageMaybe(this, name), name);\n\t\t};\n\n\t\tHTMLImageElement.prototype.setAttribute = function (name, value) {\n\t\t\treturn nativeSetAttribute.call(getOfiImageMaybe(this, name), name, String(value));\n\t\t};\n\t}\n}\n\nfunction fix(imgs, opts) {\n\tvar startAutoMode = !autoModeEnabled && !imgs;\n\topts = opts || {};\n\timgs = imgs || 'img';\n\n\tif ((supportsObjectPosition && !opts.skipTest) || !supportsOFI) {\n\t\treturn false;\n\t}\n\n\t// use imgs as a selector or just select all images\n\tif (imgs === 'img') {\n\t\timgs = document.getElementsByTagName('img');\n\t} else if (typeof imgs === 'string') {\n\t\timgs = document.querySelectorAll(imgs);\n\t} else if (!('length' in imgs)) {\n\t\timgs = [imgs];\n\t}\n\n\t// apply fix to all\n\tfor (var i = 0; i < imgs.length; i++) {\n\t\timgs[i][OFI] = imgs[i][OFI] || {\n\t\t\tskipTest: opts.skipTest\n\t\t};\n\t\tfixOne(imgs[i]);\n\t}\n\n\tif (startAutoMode) {\n\t\tdocument.body.addEventListener('load', function (e) {\n\t\t\tif (e.target.tagName === 'IMG') {\n\t\t\t\tfix(e.target, {\n\t\t\t\t\tskipTest: opts.skipTest\n\t\t\t\t});\n\t\t\t}\n\t\t}, true);\n\t\tautoModeEnabled = true;\n\t\timgs = 'img'; // reset to a generic selector for watchMQ\n\t}\n\n\t// if requested, watch media queries for object-fit change\n\tif (opts.watchMQ) {\n\t\twindow.addEventListener('resize', fix.bind(null, imgs, {\n\t\t\tskipTest: opts.skipTest\n\t\t}));\n\t}\n}\n\nfix.supportsObjectFit = supportsObjectFit;\nfix.supportsObjectPosition = supportsObjectPosition;\n\nhijackAttributes();\n\nmodule.exports = fix;\n","/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nvar runtime = (function (exports) {\n \"use strict\";\n\n var Op = Object.prototype;\n var hasOwn = Op.hasOwnProperty;\n var undefined; // More compressible than void 0.\n var $Symbol = typeof Symbol === \"function\" ? Symbol : {};\n var iteratorSymbol = $Symbol.iterator || \"@@iterator\";\n var asyncIteratorSymbol = $Symbol.asyncIterator || \"@@asyncIterator\";\n var toStringTagSymbol = $Symbol.toStringTag || \"@@toStringTag\";\n\n function wrap(innerFn, outerFn, self, tryLocsList) {\n // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.\n var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;\n var generator = Object.create(protoGenerator.prototype);\n var context = new Context(tryLocsList || []);\n\n // The ._invoke method unifies the implementations of the .next,\n // .throw, and .return methods.\n generator._invoke = makeInvokeMethod(innerFn, self, context);\n\n return generator;\n }\n exports.wrap = wrap;\n\n // Try/catch helper to minimize deoptimizations. Returns a completion\n // record like context.tryEntries[i].completion. This interface could\n // have been (and was previously) designed to take a closure to be\n // invoked without arguments, but in all the cases we care about we\n // already have an existing method we want to call, so there's no need\n // to create a new function object. We can even get away with assuming\n // the method takes exactly one argument, since that happens to be true\n // in every case, so we don't have to touch the arguments object. The\n // only additional allocation required is the completion record, which\n // has a stable shape and so hopefully should be cheap to allocate.\n function tryCatch(fn, obj, arg) {\n try {\n return { type: \"normal\", arg: fn.call(obj, arg) };\n } catch (err) {\n return { type: \"throw\", arg: err };\n }\n }\n\n var GenStateSuspendedStart = \"suspendedStart\";\n var GenStateSuspendedYield = \"suspendedYield\";\n var GenStateExecuting = \"executing\";\n var GenStateCompleted = \"completed\";\n\n // Returning this object from the innerFn has the same effect as\n // breaking out of the dispatch switch statement.\n var ContinueSentinel = {};\n\n // Dummy constructor functions that we use as the .constructor and\n // .constructor.prototype properties for functions that return Generator\n // objects. For full spec compliance, you may wish to configure your\n // minifier not to mangle the names of these two functions.\n function Generator() {}\n function GeneratorFunction() {}\n function GeneratorFunctionPrototype() {}\n\n // This is a polyfill for %IteratorPrototype% for environments that\n // don't natively support it.\n var IteratorPrototype = {};\n IteratorPrototype[iteratorSymbol] = function () {\n return this;\n };\n\n var getProto = Object.getPrototypeOf;\n var NativeIteratorPrototype = getProto && getProto(getProto(values([])));\n if (NativeIteratorPrototype &&\n NativeIteratorPrototype !== Op &&\n hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {\n // This environment has a native %IteratorPrototype%; use it instead\n // of the polyfill.\n IteratorPrototype = NativeIteratorPrototype;\n }\n\n var Gp = GeneratorFunctionPrototype.prototype =\n Generator.prototype = Object.create(IteratorPrototype);\n GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;\n GeneratorFunctionPrototype.constructor = GeneratorFunction;\n GeneratorFunctionPrototype[toStringTagSymbol] =\n GeneratorFunction.displayName = \"GeneratorFunction\";\n\n // Helper for defining the .next, .throw, and .return methods of the\n // Iterator interface in terms of a single ._invoke method.\n function defineIteratorMethods(prototype) {\n [\"next\", \"throw\", \"return\"].forEach(function(method) {\n prototype[method] = function(arg) {\n return this._invoke(method, arg);\n };\n });\n }\n\n exports.isGeneratorFunction = function(genFun) {\n var ctor = typeof genFun === \"function\" && genFun.constructor;\n return ctor\n ? ctor === GeneratorFunction ||\n // For the native GeneratorFunction constructor, the best we can\n // do is to check its .name property.\n (ctor.displayName || ctor.name) === \"GeneratorFunction\"\n : false;\n };\n\n exports.mark = function(genFun) {\n if (Object.setPrototypeOf) {\n Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);\n } else {\n genFun.__proto__ = GeneratorFunctionPrototype;\n if (!(toStringTagSymbol in genFun)) {\n genFun[toStringTagSymbol] = \"GeneratorFunction\";\n }\n }\n genFun.prototype = Object.create(Gp);\n return genFun;\n };\n\n // Within the body of any async function, `await x` is transformed to\n // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test\n // `hasOwn.call(value, \"__await\")` to determine if the yielded value is\n // meant to be awaited.\n exports.awrap = function(arg) {\n return { __await: arg };\n };\n\n function AsyncIterator(generator, PromiseImpl) {\n function invoke(method, arg, resolve, reject) {\n var record = tryCatch(generator[method], generator, arg);\n if (record.type === \"throw\") {\n reject(record.arg);\n } else {\n var result = record.arg;\n var value = result.value;\n if (value &&\n typeof value === \"object\" &&\n hasOwn.call(value, \"__await\")) {\n return PromiseImpl.resolve(value.__await).then(function(value) {\n invoke(\"next\", value, resolve, reject);\n }, function(err) {\n invoke(\"throw\", err, resolve, reject);\n });\n }\n\n return PromiseImpl.resolve(value).then(function(unwrapped) {\n // When a yielded Promise is resolved, its final value becomes\n // the .value of the Promise<{value,done}> result for the\n // current iteration.\n result.value = unwrapped;\n resolve(result);\n }, function(error) {\n // If a rejected Promise was yielded, throw the rejection back\n // into the async generator function so it can be handled there.\n return invoke(\"throw\", error, resolve, reject);\n });\n }\n }\n\n var previousPromise;\n\n function enqueue(method, arg) {\n function callInvokeWithMethodAndArg() {\n return new PromiseImpl(function(resolve, reject) {\n invoke(method, arg, resolve, reject);\n });\n }\n\n return previousPromise =\n // If enqueue has been called before, then we want to wait until\n // all previous Promises have been resolved before calling invoke,\n // so that results are always delivered in the correct order. If\n // enqueue has not been called before, then it is important to\n // call invoke immediately, without waiting on a callback to fire,\n // so that the async generator function has the opportunity to do\n // any necessary setup in a predictable way. This predictability\n // is why the Promise constructor synchronously invokes its\n // executor callback, and why async functions synchronously\n // execute code before the first await. Since we implement simple\n // async functions in terms of async generators, it is especially\n // important to get this right, even though it requires care.\n previousPromise ? previousPromise.then(\n callInvokeWithMethodAndArg,\n // Avoid propagating failures to Promises returned by later\n // invocations of the iterator.\n callInvokeWithMethodAndArg\n ) : callInvokeWithMethodAndArg();\n }\n\n // Define the unified helper method that is used to implement .next,\n // .throw, and .return (see defineIteratorMethods).\n this._invoke = enqueue;\n }\n\n defineIteratorMethods(AsyncIterator.prototype);\n AsyncIterator.prototype[asyncIteratorSymbol] = function () {\n return this;\n };\n exports.AsyncIterator = AsyncIterator;\n\n // Note that simple async functions are implemented on top of\n // AsyncIterator objects; they just return a Promise for the value of\n // the final result produced by the iterator.\n exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {\n if (PromiseImpl === void 0) PromiseImpl = Promise;\n\n var iter = new AsyncIterator(\n wrap(innerFn, outerFn, self, tryLocsList),\n PromiseImpl\n );\n\n return exports.isGeneratorFunction(outerFn)\n ? iter // If outerFn is a generator, return the full iterator.\n : iter.next().then(function(result) {\n return result.done ? result.value : iter.next();\n });\n };\n\n function makeInvokeMethod(innerFn, self, context) {\n var state = GenStateSuspendedStart;\n\n return function invoke(method, arg) {\n if (state === GenStateExecuting) {\n throw new Error(\"Generator is already running\");\n }\n\n if (state === GenStateCompleted) {\n if (method === \"throw\") {\n throw arg;\n }\n\n // Be forgiving, per 25.3.3.3.3 of the spec:\n // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume\n return doneResult();\n }\n\n context.method = method;\n context.arg = arg;\n\n while (true) {\n var delegate = context.delegate;\n if (delegate) {\n var delegateResult = maybeInvokeDelegate(delegate, context);\n if (delegateResult) {\n if (delegateResult === ContinueSentinel) continue;\n return delegateResult;\n }\n }\n\n if (context.method === \"next\") {\n // Setting context._sent for legacy support of Babel's\n // function.sent implementation.\n context.sent = context._sent = context.arg;\n\n } else if (context.method === \"throw\") {\n if (state === GenStateSuspendedStart) {\n state = GenStateCompleted;\n throw context.arg;\n }\n\n context.dispatchException(context.arg);\n\n } else if (context.method === \"return\") {\n context.abrupt(\"return\", context.arg);\n }\n\n state = GenStateExecuting;\n\n var record = tryCatch(innerFn, self, context);\n if (record.type === \"normal\") {\n // If an exception is thrown from innerFn, we leave state ===\n // GenStateExecuting and loop back for another invocation.\n state = context.done\n ? GenStateCompleted\n : GenStateSuspendedYield;\n\n if (record.arg === ContinueSentinel) {\n continue;\n }\n\n return {\n value: record.arg,\n done: context.done\n };\n\n } else if (record.type === \"throw\") {\n state = GenStateCompleted;\n // Dispatch the exception by looping back around to the\n // context.dispatchException(context.arg) call above.\n context.method = \"throw\";\n context.arg = record.arg;\n }\n }\n };\n }\n\n // Call delegate.iterator[context.method](context.arg) and handle the\n // result, either by returning a { value, done } result from the\n // delegate iterator, or by modifying context.method and context.arg,\n // setting context.delegate to null, and returning the ContinueSentinel.\n function maybeInvokeDelegate(delegate, context) {\n var method = delegate.iterator[context.method];\n if (method === undefined) {\n // A .throw or .return when the delegate iterator has no .throw\n // method always terminates the yield* loop.\n context.delegate = null;\n\n if (context.method === \"throw\") {\n // Note: [\"return\"] must be used for ES3 parsing compatibility.\n if (delegate.iterator[\"return\"]) {\n // If the delegate iterator has a return method, give it a\n // chance to clean up.\n context.method = \"return\";\n context.arg = undefined;\n maybeInvokeDelegate(delegate, context);\n\n if (context.method === \"throw\") {\n // If maybeInvokeDelegate(context) changed context.method from\n // \"return\" to \"throw\", let that override the TypeError below.\n return ContinueSentinel;\n }\n }\n\n context.method = \"throw\";\n context.arg = new TypeError(\n \"The iterator does not provide a 'throw' method\");\n }\n\n return ContinueSentinel;\n }\n\n var record = tryCatch(method, delegate.iterator, context.arg);\n\n if (record.type === \"throw\") {\n context.method = \"throw\";\n context.arg = record.arg;\n context.delegate = null;\n return ContinueSentinel;\n }\n\n var info = record.arg;\n\n if (! info) {\n context.method = \"throw\";\n context.arg = new TypeError(\"iterator result is not an object\");\n context.delegate = null;\n return ContinueSentinel;\n }\n\n if (info.done) {\n // Assign the result of the finished delegate to the temporary\n // variable specified by delegate.resultName (see delegateYield).\n context[delegate.resultName] = info.value;\n\n // Resume execution at the desired location (see delegateYield).\n context.next = delegate.nextLoc;\n\n // If context.method was \"throw\" but the delegate handled the\n // exception, let the outer generator proceed normally. If\n // context.method was \"next\", forget context.arg since it has been\n // \"consumed\" by the delegate iterator. If context.method was\n // \"return\", allow the original .return call to continue in the\n // outer generator.\n if (context.method !== \"return\") {\n context.method = \"next\";\n context.arg = undefined;\n }\n\n } else {\n // Re-yield the result returned by the delegate method.\n return info;\n }\n\n // The delegate iterator is finished, so forget it and continue with\n // the outer generator.\n context.delegate = null;\n return ContinueSentinel;\n }\n\n // Define Generator.prototype.{next,throw,return} in terms of the\n // unified ._invoke helper method.\n defineIteratorMethods(Gp);\n\n Gp[toStringTagSymbol] = \"Generator\";\n\n // A Generator should always return itself as the iterator object when the\n // @@iterator function is called on it. Some browsers' implementations of the\n // iterator prototype chain incorrectly implement this, causing the Generator\n // object to not be returned from this call. This ensures that doesn't happen.\n // See https://github.com/facebook/regenerator/issues/274 for more details.\n Gp[iteratorSymbol] = function() {\n return this;\n };\n\n Gp.toString = function() {\n return \"[object Generator]\";\n };\n\n function pushTryEntry(locs) {\n var entry = { tryLoc: locs[0] };\n\n if (1 in locs) {\n entry.catchLoc = locs[1];\n }\n\n if (2 in locs) {\n entry.finallyLoc = locs[2];\n entry.afterLoc = locs[3];\n }\n\n this.tryEntries.push(entry);\n }\n\n function resetTryEntry(entry) {\n var record = entry.completion || {};\n record.type = \"normal\";\n delete record.arg;\n entry.completion = record;\n }\n\n function Context(tryLocsList) {\n // The root entry object (effectively a try statement without a catch\n // or a finally block) gives us a place to store values thrown from\n // locations where there is no enclosing try statement.\n this.tryEntries = [{ tryLoc: \"root\" }];\n tryLocsList.forEach(pushTryEntry, this);\n this.reset(true);\n }\n\n exports.keys = function(object) {\n var keys = [];\n for (var key in object) {\n keys.push(key);\n }\n keys.reverse();\n\n // Rather than returning an object with a next method, we keep\n // things simple and return the next function itself.\n return function next() {\n while (keys.length) {\n var key = keys.pop();\n if (key in object) {\n next.value = key;\n next.done = false;\n return next;\n }\n }\n\n // To avoid creating an additional object, we just hang the .value\n // and .done properties off the next function object itself. This\n // also ensures that the minifier will not anonymize the function.\n next.done = true;\n return next;\n };\n };\n\n function values(iterable) {\n if (iterable) {\n var iteratorMethod = iterable[iteratorSymbol];\n if (iteratorMethod) {\n return iteratorMethod.call(iterable);\n }\n\n if (typeof iterable.next === \"function\") {\n return iterable;\n }\n\n if (!isNaN(iterable.length)) {\n var i = -1, next = function next() {\n while (++i < iterable.length) {\n if (hasOwn.call(iterable, i)) {\n next.value = iterable[i];\n next.done = false;\n return next;\n }\n }\n\n next.value = undefined;\n next.done = true;\n\n return next;\n };\n\n return next.next = next;\n }\n }\n\n // Return an iterator with no values.\n return { next: doneResult };\n }\n exports.values = values;\n\n function doneResult() {\n return { value: undefined, done: true };\n }\n\n Context.prototype = {\n constructor: Context,\n\n reset: function(skipTempReset) {\n this.prev = 0;\n this.next = 0;\n // Resetting context._sent for legacy support of Babel's\n // function.sent implementation.\n this.sent = this._sent = undefined;\n this.done = false;\n this.delegate = null;\n\n this.method = \"next\";\n this.arg = undefined;\n\n this.tryEntries.forEach(resetTryEntry);\n\n if (!skipTempReset) {\n for (var name in this) {\n // Not sure about the optimal order of these conditions:\n if (name.charAt(0) === \"t\" &&\n hasOwn.call(this, name) &&\n !isNaN(+name.slice(1))) {\n this[name] = undefined;\n }\n }\n }\n },\n\n stop: function() {\n this.done = true;\n\n var rootEntry = this.tryEntries[0];\n var rootRecord = rootEntry.completion;\n if (rootRecord.type === \"throw\") {\n throw rootRecord.arg;\n }\n\n return this.rval;\n },\n\n dispatchException: function(exception) {\n if (this.done) {\n throw exception;\n }\n\n var context = this;\n function handle(loc, caught) {\n record.type = \"throw\";\n record.arg = exception;\n context.next = loc;\n\n if (caught) {\n // If the dispatched exception was caught by a catch block,\n // then let that catch block handle the exception normally.\n context.method = \"next\";\n context.arg = undefined;\n }\n\n return !! caught;\n }\n\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n var record = entry.completion;\n\n if (entry.tryLoc === \"root\") {\n // Exception thrown outside of any try block that could handle\n // it, so set the completion value of the entire function to\n // throw the exception.\n return handle(\"end\");\n }\n\n if (entry.tryLoc <= this.prev) {\n var hasCatch = hasOwn.call(entry, \"catchLoc\");\n var hasFinally = hasOwn.call(entry, \"finallyLoc\");\n\n if (hasCatch && hasFinally) {\n if (this.prev < entry.catchLoc) {\n return handle(entry.catchLoc, true);\n } else if (this.prev < entry.finallyLoc) {\n return handle(entry.finallyLoc);\n }\n\n } else if (hasCatch) {\n if (this.prev < entry.catchLoc) {\n return handle(entry.catchLoc, true);\n }\n\n } else if (hasFinally) {\n if (this.prev < entry.finallyLoc) {\n return handle(entry.finallyLoc);\n }\n\n } else {\n throw new Error(\"try statement without catch or finally\");\n }\n }\n }\n },\n\n abrupt: function(type, arg) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n if (entry.tryLoc <= this.prev &&\n hasOwn.call(entry, \"finallyLoc\") &&\n this.prev < entry.finallyLoc) {\n var finallyEntry = entry;\n break;\n }\n }\n\n if (finallyEntry &&\n (type === \"break\" ||\n type === \"continue\") &&\n finallyEntry.tryLoc <= arg &&\n arg <= finallyEntry.finallyLoc) {\n // Ignore the finally entry if control is not jumping to a\n // location outside the try/catch block.\n finallyEntry = null;\n }\n\n var record = finallyEntry ? finallyEntry.completion : {};\n record.type = type;\n record.arg = arg;\n\n if (finallyEntry) {\n this.method = \"next\";\n this.next = finallyEntry.finallyLoc;\n return ContinueSentinel;\n }\n\n return this.complete(record);\n },\n\n complete: function(record, afterLoc) {\n if (record.type === \"throw\") {\n throw record.arg;\n }\n\n if (record.type === \"break\" ||\n record.type === \"continue\") {\n this.next = record.arg;\n } else if (record.type === \"return\") {\n this.rval = this.arg = record.arg;\n this.method = \"return\";\n this.next = \"end\";\n } else if (record.type === \"normal\" && afterLoc) {\n this.next = afterLoc;\n }\n\n return ContinueSentinel;\n },\n\n finish: function(finallyLoc) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n if (entry.finallyLoc === finallyLoc) {\n this.complete(entry.completion, entry.afterLoc);\n resetTryEntry(entry);\n return ContinueSentinel;\n }\n }\n },\n\n \"catch\": function(tryLoc) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n if (entry.tryLoc === tryLoc) {\n var record = entry.completion;\n if (record.type === \"throw\") {\n var thrown = record.arg;\n resetTryEntry(entry);\n }\n return thrown;\n }\n }\n\n // The context.catch method must only be called with a location\n // argument that corresponds to a known catch block.\n throw new Error(\"illegal catch attempt\");\n },\n\n delegateYield: function(iterable, resultName, nextLoc) {\n this.delegate = {\n iterator: values(iterable),\n resultName: resultName,\n nextLoc: nextLoc\n };\n\n if (this.method === \"next\") {\n // Deliberately forget the last sent value so that we don't\n // accidentally pass it on to the delegate.\n this.arg = undefined;\n }\n\n return ContinueSentinel;\n }\n };\n\n // Regardless of whether this script is executing as a CommonJS module\n // or not, return the runtime object so that we can declare the variable\n // regeneratorRuntime in the outer scope, which allows this module to be\n // injected easily by `bin/regenerator --include-runtime script.js`.\n return exports;\n\n}(\n // If this script is executing as a CommonJS module, use module.exports\n // as the regeneratorRuntime namespace. Otherwise create a new empty\n // object. Either way, the resulting object will be used to initialize\n // the regeneratorRuntime variable at the top of this file.\n typeof module === \"object\" ? module.exports : {}\n));\n\ntry {\n regeneratorRuntime = runtime;\n} catch (accidentalStrictMode) {\n // This module should not be running in strict mode, so the above\n // assignment should always work unless something is misconfigured. Just\n // in case runtime.js accidentally runs in strict mode, we can escape\n // strict mode using a global Function call. This could conceivably fail\n // if a Content Security Policy forbids using Function, but in that case\n // the proper solution is to fix the accidental strict mode problem. If\n // you've misconfigured your bundler to force strict mode and applied a\n // CSP to forbid Function, and you're not willing to fix either of those\n // problems, please detail your unique predicament in a GitHub issue.\n Function(\"r\", \"regeneratorRuntime = r\")(runtime);\n}\n"],"sourceRoot":""}