tchen-vuelayers
Version:
Web map Vue components with the power of OpenLayers
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JavaScript
/**
* VueLayers
* Web map Vue components with the power of OpenLayers
*
* @package vuelayers
* @author Vladimir Vershinin <ghettovoice@gmail.com>
* @version 0.11.1
* @license MIT
* @copyright (c) 2017-2019, Vladimir Vershinin <ghettovoice@gmail.com>
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('ol/Feature'), require('vue'), require('ol/geom/Circle'), require('ol/geom/GeometryCollection'), require('ol/geom/LineString'), require('ol/geom/MultiLineString'), require('ol/geom/MultiPoint'), require('ol/geom/MultiPolygon'), require('ol/geom/Point'), require('ol/geom/Polygon'), require('ol/proj'), require('ol/proj/Projection'), require('ol/format/GeoJSON'), require('ol/format/MVT'), require('ol/format/TopoJSON'), require('ol/extent'), require('ol/proj/Units'), require('ol/interaction/Interaction'), require('ol/layer/Base'), require('ol/Overlay'), require('ol/tilegrid'), require('ol/size'), require('ol/tilegrid/TileGrid'), require('ol/loadingstrategy'), require('ol/style/Circle'), require('ol/style/Fill'), require('ol/style/Icon'), require('ol/style/Image'), require('ol/style/RegularShape'), require('ol/style/Stroke'), require('ol/style/Style'), require('ol/style/Text'), require('ol/source/XYZ'), require('ol/source/TileArcGISRest'), require('ol/source/BingMaps'), require('ol/source/Cluster'), require('ol/events/condition'), require('ol/interaction/Draw'), require('ol/Geolocation'), require('ol/Graticule'), require('ol/layer/Group'), require('ol/layer/Image'), require('ol/source/ImageStatic'), require('ol/source/ImageWMS'), require('ol/source/WMSServerType'), require('ol/control'), require('ol/interaction'), require('ol/layer/Vector'), require('ol/Collection'), require('ol/Map'), require('ol/WebGLMap'), require('ol/source/Vector'), require('ol/View'), require('ol/interaction/Modify'), require('ol/source/OSM'), require('ol/interaction/Select'), require('ol/interaction/Snap'), require('ol/source/Stamen'), require('ol/layer/Tile'), require('ol/layer/VectorTile'), require('ol/source/VectorTile'), require('ol/source/TileWMS'), require('ol/source/WMTS'), require('ol/tilegrid/WMTS')) :
typeof define === 'function' && define.amd ? define('vuelayers', ['ol/Feature', 'vue', 'ol/geom/Circle', 'ol/geom/GeometryCollection', 'ol/geom/LineString', 'ol/geom/MultiLineString', 'ol/geom/MultiPoint', 'ol/geom/MultiPolygon', 'ol/geom/Point', 'ol/geom/Polygon', 'ol/proj', 'ol/proj/Projection', 'ol/format/GeoJSON', 'ol/format/MVT', 'ol/format/TopoJSON', 'ol/extent', 'ol/proj/Units', 'ol/interaction/Interaction', 'ol/layer/Base', 'ol/Overlay', 'ol/tilegrid', 'ol/size', 'ol/tilegrid/TileGrid', 'ol/loadingstrategy', 'ol/style/Circle', 'ol/style/Fill', 'ol/style/Icon', 'ol/style/Image', 'ol/style/RegularShape', 'ol/style/Stroke', 'ol/style/Style', 'ol/style/Text', 'ol/source/XYZ', 'ol/source/TileArcGISRest', 'ol/source/BingMaps', 'ol/source/Cluster', 'ol/events/condition', 'ol/interaction/Draw', 'ol/Geolocation', 'ol/Graticule', 'ol/layer/Group', 'ol/layer/Image', 'ol/source/ImageStatic', 'ol/source/ImageWMS', 'ol/source/WMSServerType', 'ol/control', 'ol/interaction', 'ol/layer/Vector', 'ol/Collection', 'ol/Map', 'ol/WebGLMap', 'ol/source/Vector', 'ol/View', 'ol/interaction/Modify', 'ol/source/OSM', 'ol/interaction/Select', 'ol/interaction/Snap', 'ol/source/Stamen', 'ol/layer/Tile', 'ol/layer/VectorTile', 'ol/source/VectorTile', 'ol/source/TileWMS', 'ol/source/WMTS', 'ol/tilegrid/WMTS'], factory) :
(global.VueLayers = factory(global.ol.Feature,global.Vue,global.ol.geom.Circle,global.ol.geom.GeometryCollection,global.ol.geom.LineString,global.ol.geom.MultiLineString,global.ol.geom.MultiPoint,global.ol.geom.MultiPolygon,global.ol.geom.Point,global.ol.geom.Polygon,global.ol.proj,global.ol.proj.Projection,global.ol.format.GeoJSON,global.ol.format.MVT,global.ol.format.TopoJSON,global.ol.extent,global.ol.proj.Units,global.ol.interaction.Interaction,global.ol.layer.Base,global.ol.Overlay,global.ol.tilegrid,global.ol.size,global.ol.tilegrid.TileGrid,global.ol.loadingstrategy,global.ol.style.Circle,global.ol.style.Fill,global.ol.style.Icon,global.ol.style.Image,global.ol.style.RegularShape,global.ol.style.Stroke,global.ol.style.Style,global.ol.style.Text,global.ol.source.XYZ,global.ol.source.TileArcGISRest,global.ol.source.BingMaps,global.ol.source.Cluster,global.ol.events.condition,global.ol.interaction.Draw,global.ol.Geolocation,global.ol.Graticule,global.ol.layer.Group,global.ol.layer.Image,global.ol.source.ImageStatic,global.ol.source.ImageWMS,global.ol.source.WMSServerType,global.ol.control,global.ol.interaction,global.ol.layer.Vector,global.ol.Collection,global.ol.Map,global.ol.WebGLMap,global.ol.source.Vector,global.ol.View,global.ol.interaction.Modify,global.ol.source.OSM,global.ol.interaction.Select,global.ol.interaction.Snap,global.ol.source.Stamen,global.ol.layer.Tile,global.ol.layer.VectorTile,global.ol.source.VectorTile,global.ol.source.TileWMS,global.ol.source.WMTS,global.ol.tilegrid.WMTS));
}(this, (function (Feature,Vue,Circle,GeometryCollection,LineString,MultiLineString,MultiPoint,MultiPolygon,Point,Polygon,proj,Projection,BaseGeoJSON,MVT,TopoJSON,extent,Units,Interaction,BaseLayer,Overlay,tilegrid,size,TileGrid,loadingstrategy,Circle$1,Fill,Icon,ImageStyle,RegularShape,Stroke,Style,Text,XYZSource,TileArcGISRestSource,BingMapsSource,Cluster,condition,DrawInteraction,Geolocation,Graticule,GroupLayer,ImageLayer,ImageStaticSource,ImageWMS,WMSServerType,control,interaction,VectorLayer,Collection,Map,WebGLMap,VectorSource,View,ModifyInteraction,OSMSource,SelectInteraction,SnapInteraction,StamenSource,TileLayer,VectorTileLayer,VectorTileSource,TileWMSSource,WMTSSource,WMTSTileGrid) { 'use strict';
Feature = Feature && Feature.hasOwnProperty('default') ? Feature['default'] : Feature;
Vue = Vue && Vue.hasOwnProperty('default') ? Vue['default'] : Vue;
Circle = Circle && Circle.hasOwnProperty('default') ? Circle['default'] : Circle;
GeometryCollection = GeometryCollection && GeometryCollection.hasOwnProperty('default') ? GeometryCollection['default'] : GeometryCollection;
LineString = LineString && LineString.hasOwnProperty('default') ? LineString['default'] : LineString;
MultiLineString = MultiLineString && MultiLineString.hasOwnProperty('default') ? MultiLineString['default'] : MultiLineString;
MultiPoint = MultiPoint && MultiPoint.hasOwnProperty('default') ? MultiPoint['default'] : MultiPoint;
MultiPolygon = MultiPolygon && MultiPolygon.hasOwnProperty('default') ? MultiPolygon['default'] : MultiPolygon;
Point = Point && Point.hasOwnProperty('default') ? Point['default'] : Point;
var Polygon__default = 'default' in Polygon ? Polygon['default'] : Polygon;
Projection = Projection && Projection.hasOwnProperty('default') ? Projection['default'] : Projection;
BaseGeoJSON = BaseGeoJSON && BaseGeoJSON.hasOwnProperty('default') ? BaseGeoJSON['default'] : BaseGeoJSON;
MVT = MVT && MVT.hasOwnProperty('default') ? MVT['default'] : MVT;
TopoJSON = TopoJSON && TopoJSON.hasOwnProperty('default') ? TopoJSON['default'] : TopoJSON;
Interaction = Interaction && Interaction.hasOwnProperty('default') ? Interaction['default'] : Interaction;
BaseLayer = BaseLayer && BaseLayer.hasOwnProperty('default') ? BaseLayer['default'] : BaseLayer;
Overlay = Overlay && Overlay.hasOwnProperty('default') ? Overlay['default'] : Overlay;
TileGrid = TileGrid && TileGrid.hasOwnProperty('default') ? TileGrid['default'] : TileGrid;
Circle$1 = Circle$1 && Circle$1.hasOwnProperty('default') ? Circle$1['default'] : Circle$1;
Fill = Fill && Fill.hasOwnProperty('default') ? Fill['default'] : Fill;
Icon = Icon && Icon.hasOwnProperty('default') ? Icon['default'] : Icon;
ImageStyle = ImageStyle && ImageStyle.hasOwnProperty('default') ? ImageStyle['default'] : ImageStyle;
RegularShape = RegularShape && RegularShape.hasOwnProperty('default') ? RegularShape['default'] : RegularShape;
Stroke = Stroke && Stroke.hasOwnProperty('default') ? Stroke['default'] : Stroke;
Style = Style && Style.hasOwnProperty('default') ? Style['default'] : Style;
Text = Text && Text.hasOwnProperty('default') ? Text['default'] : Text;
XYZSource = XYZSource && XYZSource.hasOwnProperty('default') ? XYZSource['default'] : XYZSource;
TileArcGISRestSource = TileArcGISRestSource && TileArcGISRestSource.hasOwnProperty('default') ? TileArcGISRestSource['default'] : TileArcGISRestSource;
BingMapsSource = BingMapsSource && BingMapsSource.hasOwnProperty('default') ? BingMapsSource['default'] : BingMapsSource;
Cluster = Cluster && Cluster.hasOwnProperty('default') ? Cluster['default'] : Cluster;
DrawInteraction = DrawInteraction && DrawInteraction.hasOwnProperty('default') ? DrawInteraction['default'] : DrawInteraction;
Geolocation = Geolocation && Geolocation.hasOwnProperty('default') ? Geolocation['default'] : Geolocation;
Graticule = Graticule && Graticule.hasOwnProperty('default') ? Graticule['default'] : Graticule;
GroupLayer = GroupLayer && GroupLayer.hasOwnProperty('default') ? GroupLayer['default'] : GroupLayer;
ImageLayer = ImageLayer && ImageLayer.hasOwnProperty('default') ? ImageLayer['default'] : ImageLayer;
ImageStaticSource = ImageStaticSource && ImageStaticSource.hasOwnProperty('default') ? ImageStaticSource['default'] : ImageStaticSource;
ImageWMS = ImageWMS && ImageWMS.hasOwnProperty('default') ? ImageWMS['default'] : ImageWMS;
WMSServerType = WMSServerType && WMSServerType.hasOwnProperty('default') ? WMSServerType['default'] : WMSServerType;
VectorLayer = VectorLayer && VectorLayer.hasOwnProperty('default') ? VectorLayer['default'] : VectorLayer;
Collection = Collection && Collection.hasOwnProperty('default') ? Collection['default'] : Collection;
Map = Map && Map.hasOwnProperty('default') ? Map['default'] : Map;
WebGLMap = WebGLMap && WebGLMap.hasOwnProperty('default') ? WebGLMap['default'] : WebGLMap;
VectorSource = VectorSource && VectorSource.hasOwnProperty('default') ? VectorSource['default'] : VectorSource;
View = View && View.hasOwnProperty('default') ? View['default'] : View;
ModifyInteraction = ModifyInteraction && ModifyInteraction.hasOwnProperty('default') ? ModifyInteraction['default'] : ModifyInteraction;
OSMSource = OSMSource && OSMSource.hasOwnProperty('default') ? OSMSource['default'] : OSMSource;
SelectInteraction = SelectInteraction && SelectInteraction.hasOwnProperty('default') ? SelectInteraction['default'] : SelectInteraction;
SnapInteraction = SnapInteraction && SnapInteraction.hasOwnProperty('default') ? SnapInteraction['default'] : SnapInteraction;
StamenSource = StamenSource && StamenSource.hasOwnProperty('default') ? StamenSource['default'] : StamenSource;
TileLayer = TileLayer && TileLayer.hasOwnProperty('default') ? TileLayer['default'] : TileLayer;
VectorTileLayer = VectorTileLayer && VectorTileLayer.hasOwnProperty('default') ? VectorTileLayer['default'] : VectorTileLayer;
VectorTileSource = VectorTileSource && VectorTileSource.hasOwnProperty('default') ? VectorTileSource['default'] : VectorTileSource;
TileWMSSource = TileWMSSource && TileWMSSource.hasOwnProperty('default') ? TileWMSSource['default'] : TileWMSSource;
WMTSSource = WMTSSource && WMTSSource.hasOwnProperty('default') ? WMTSSource['default'] : WMTSSource;
WMTSTileGrid = WMTSTileGrid && WMTSTileGrid.hasOwnProperty('default') ? WMTSTileGrid['default'] : WMTSTileGrid;
var toString = {}.toString;
var _cof = function (it) {
return toString.call(it).slice(8, -1);
};
// fallback for non-array-like ES3 and non-enumerable old V8 strings
// eslint-disable-next-line no-prototype-builtins
var _iobject = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
return _cof(it) == 'String' ? it.split('') : Object(it);
};
// 7.2.1 RequireObjectCoercible(argument)
var _defined = function (it) {
if (it == undefined) throw TypeError("Can't call method on " + it);
return it;
};
// to indexed object, toObject with fallback for non-array-like ES3 strings
var _toIobject = function (it) {
return _iobject(_defined(it));
};
var f = {}.propertyIsEnumerable;
var _objectPie = {
f: f
};
var _propertyDesc = function (bitmap, value) {
return {
enumerable: !(bitmap & 1),
configurable: !(bitmap & 2),
writable: !(bitmap & 4),
value: value
};
};
var _isObject = function (it) {
return typeof it === 'object' ? it !== null : typeof it === 'function';
};
// 7.1.1 ToPrimitive(input [, PreferredType])
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
var _toPrimitive = function (it, S) {
if (!_isObject(it)) return it;
var fn, val;
if (S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) return val;
if (typeof (fn = it.valueOf) == 'function' && !_isObject(val = fn.call(it))) return val;
if (!S && typeof (fn = it.toString) == 'function' && !_isObject(val = fn.call(it))) return val;
throw TypeError("Can't convert object to primitive value");
};
var hasOwnProperty = {}.hasOwnProperty;
var _has = function (it, key) {
return hasOwnProperty.call(it, key);
};
var _fails = function (exec) {
try {
return !!exec();
} catch (e) {
return true;
}
};
// Thank's IE8 for his funny defineProperty
var _descriptors = !_fails(function () {
return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
});
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var _global = createCommonjsModule(function (module) {
// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math
? window : typeof self != 'undefined' && self.Math == Math ? self
// eslint-disable-next-line no-new-func
: Function('return this')();
if (typeof __g == 'number') __g = global; // eslint-disable-line no-undef
});
var document$1 = _global.document;
// typeof document.createElement is 'object' in old IE
var is = _isObject(document$1) && _isObject(document$1.createElement);
var _domCreate = function (it) {
return is ? document$1.createElement(it) : {};
};
var _ie8DomDefine = !_descriptors && !_fails(function () {
return Object.defineProperty(_domCreate('div'), 'a', { get: function () { return 7; } }).a != 7;
});
var gOPD = Object.getOwnPropertyDescriptor;
var f$1 = _descriptors ? gOPD : function getOwnPropertyDescriptor(O, P) {
O = _toIobject(O);
P = _toPrimitive(P, true);
if (_ie8DomDefine) try {
return gOPD(O, P);
} catch (e) { /* empty */ }
if (_has(O, P)) return _propertyDesc(!_objectPie.f.call(O, P), O[P]);
};
var _objectGopd = {
f: f$1
};
var _core = createCommonjsModule(function (module) {
var core = module.exports = { version: '2.5.7' };
if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
});
var _core_1 = _core.version;
var _aFunction = function (it) {
if (typeof it != 'function') throw TypeError(it + ' is not a function!');
return it;
};
// optional / simple context binding
var _ctx = function (fn, that, length) {
_aFunction(fn);
if (that === undefined) return fn;
switch (length) {
case 1: return function (a) {
return fn.call(that, a);
};
case 2: return function (a, b) {
return fn.call(that, a, b);
};
case 3: return function (a, b, c) {
return fn.call(that, a, b, c);
};
}
return function (/* ...args */) {
return fn.apply(that, arguments);
};
};
var _anObject = function (it) {
if (!_isObject(it)) throw TypeError(it + ' is not an object!');
return it;
};
var dP = Object.defineProperty;
var f$2 = _descriptors ? Object.defineProperty : function defineProperty(O, P, Attributes) {
_anObject(O);
P = _toPrimitive(P, true);
_anObject(Attributes);
if (_ie8DomDefine) try {
return dP(O, P, Attributes);
} catch (e) { /* empty */ }
if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
if ('value' in Attributes) O[P] = Attributes.value;
return O;
};
var _objectDp = {
f: f$2
};
var _hide = _descriptors ? function (object, key, value) {
return _objectDp.f(object, key, _propertyDesc(1, value));
} : function (object, key, value) {
object[key] = value;
return object;
};
var PROTOTYPE = 'prototype';
var $export = function (type, name, source) {
var IS_FORCED = type & $export.F;
var IS_GLOBAL = type & $export.G;
var IS_STATIC = type & $export.S;
var IS_PROTO = type & $export.P;
var IS_BIND = type & $export.B;
var IS_WRAP = type & $export.W;
var exports = IS_GLOBAL ? _core : _core[name] || (_core[name] = {});
var expProto = exports[PROTOTYPE];
var target = IS_GLOBAL ? _global : IS_STATIC ? _global[name] : (_global[name] || {})[PROTOTYPE];
var key, own, out;
if (IS_GLOBAL) source = name;
for (key in source) {
// contains in native
own = !IS_FORCED && target && target[key] !== undefined;
if (own && _has(exports, key)) continue;
// export native or passed
out = own ? target[key] : source[key];
// prevent global pollution for namespaces
exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
// bind timers to global for call from export context
: IS_BIND && own ? _ctx(out, _global)
// wrap global constructors for prevent change them in library
: IS_WRAP && target[key] == out ? (function (C) {
var F = function (a, b, c) {
if (this instanceof C) {
switch (arguments.length) {
case 0: return new C();
case 1: return new C(a);
case 2: return new C(a, b);
} return new C(a, b, c);
} return C.apply(this, arguments);
};
F[PROTOTYPE] = C[PROTOTYPE];
return F;
// make static versions for prototype methods
})(out) : IS_PROTO && typeof out == 'function' ? _ctx(Function.call, out) : out;
// export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
if (IS_PROTO) {
(exports.virtual || (exports.virtual = {}))[key] = out;
// export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
if (type & $export.R && expProto && !expProto[key]) _hide(expProto, key, out);
}
}
};
// type bitmap
$export.F = 1; // forced
$export.G = 2; // global
$export.S = 4; // static
$export.P = 8; // proto
$export.B = 16; // bind
$export.W = 32; // wrap
$export.U = 64; // safe
$export.R = 128; // real proto method for `library`
var _export = $export;
// most Object methods by ES6 should accept primitives
var _objectSap = function (KEY, exec) {
var fn = (_core.Object || {})[KEY] || Object[KEY];
var exp = {};
exp[KEY] = exec(fn);
_export(_export.S + _export.F * _fails(function () { fn(1); }), 'Object', exp);
};
// 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
var $getOwnPropertyDescriptor = _objectGopd.f;
_objectSap('getOwnPropertyDescriptor', function () {
return function getOwnPropertyDescriptor(it, key) {
return $getOwnPropertyDescriptor(_toIobject(it), key);
};
});
var $Object = _core.Object;
var getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {
return $Object.getOwnPropertyDescriptor(it, key);
};
var getOwnPropertyDescriptor$1 = getOwnPropertyDescriptor;
var _redefine = _hide;
var id = 0;
var px = Math.random();
var _uid = function (key) {
return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};
var _meta = createCommonjsModule(function (module) {
var META = _uid('meta');
var setDesc = _objectDp.f;
var id = 0;
var isExtensible = Object.isExtensible || function () {
return true;
};
var FREEZE = !_fails(function () {
return isExtensible(Object.preventExtensions({}));
});
var setMeta = function (it) {
setDesc(it, META, { value: {
i: 'O' + ++id, // object ID
w: {} // weak collections IDs
} });
};
var fastKey = function (it, create) {
// return primitive with prefix
if (!_isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
if (!_has(it, META)) {
// can't set metadata to uncaught frozen object
if (!isExtensible(it)) return 'F';
// not necessary to add metadata
if (!create) return 'E';
// add missing metadata
setMeta(it);
// return object ID
} return it[META].i;
};
var getWeak = function (it, create) {
if (!_has(it, META)) {
// can't set metadata to uncaught frozen object
if (!isExtensible(it)) return true;
// not necessary to add metadata
if (!create) return false;
// add missing metadata
setMeta(it);
// return hash weak collections IDs
} return it[META].w;
};
// add metadata on freeze-family methods calling
var onFreeze = function (it) {
if (FREEZE && meta.NEED && isExtensible(it) && !_has(it, META)) setMeta(it);
return it;
};
var meta = module.exports = {
KEY: META,
NEED: false,
fastKey: fastKey,
getWeak: getWeak,
onFreeze: onFreeze
};
});
var _meta_1 = _meta.KEY;
var _meta_2 = _meta.NEED;
var _meta_3 = _meta.fastKey;
var _meta_4 = _meta.getWeak;
var _meta_5 = _meta.onFreeze;
var _library = true;
var _shared = createCommonjsModule(function (module) {
var SHARED = '__core-js_shared__';
var store = _global[SHARED] || (_global[SHARED] = {});
(module.exports = function (key, value) {
return store[key] || (store[key] = value !== undefined ? value : {});
})('versions', []).push({
version: _core.version,
mode: 'pure',
copyright: '© 2018 Denis Pushkarev (zloirock.ru)'
});
});
var _wks = createCommonjsModule(function (module) {
var store = _shared('wks');
var Symbol = _global.Symbol;
var USE_SYMBOL = typeof Symbol == 'function';
var $exports = module.exports = function (name) {
return store[name] || (store[name] =
USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : _uid)('Symbol.' + name));
};
$exports.store = store;
});
var def = _objectDp.f;
var TAG = _wks('toStringTag');
var _setToStringTag = function (it, tag, stat) {
if (it && !_has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });
};
var f$3 = _wks;
var _wksExt = {
f: f$3
};
var defineProperty = _objectDp.f;
var _wksDefine = function (name) {
var $Symbol = _core.Symbol || (_core.Symbol = {});
if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: _wksExt.f(name) });
};
// 7.1.4 ToInteger
var ceil = Math.ceil;
var floor = Math.floor;
var _toInteger = function (it) {
return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};
// 7.1.15 ToLength
var min = Math.min;
var _toLength = function (it) {
return it > 0 ? min(_toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
};
var max = Math.max;
var min$1 = Math.min;
var _toAbsoluteIndex = function (index, length) {
index = _toInteger(index);
return index < 0 ? max(index + length, 0) : min$1(index, length);
};
// false -> Array#indexOf
// true -> Array#includes
var _arrayIncludes = function (IS_INCLUDES) {
return function ($this, el, fromIndex) {
var O = _toIobject($this);
var length = _toLength(O.length);
var index = _toAbsoluteIndex(fromIndex, length);
var value;
// Array#includes uses SameValueZero equality algorithm
// eslint-disable-next-line no-self-compare
if (IS_INCLUDES && el != el) while (length > index) {
value = O[index++];
// eslint-disable-next-line no-self-compare
if (value != value) return true;
// Array#indexOf ignores holes, Array#includes - not
} else for (;length > index; index++) if (IS_INCLUDES || index in O) {
if (O[index] === el) return IS_INCLUDES || index || 0;
} return !IS_INCLUDES && -1;
};
};
var shared = _shared('keys');
var _sharedKey = function (key) {
return shared[key] || (shared[key] = _uid(key));
};
var arrayIndexOf = _arrayIncludes(false);
var IE_PROTO = _sharedKey('IE_PROTO');
var _objectKeysInternal = function (object, names) {
var O = _toIobject(object);
var i = 0;
var result = [];
var key;
for (key in O) if (key != IE_PROTO) _has(O, key) && result.push(key);
// Don't enum bug & hidden keys
while (names.length > i) if (_has(O, key = names[i++])) {
~arrayIndexOf(result, key) || result.push(key);
}
return result;
};
// IE 8- don't enum bug keys
var _enumBugKeys = (
'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
).split(',');
// 19.1.2.14 / 15.2.3.14 Object.keys(O)
var _objectKeys = Object.keys || function keys(O) {
return _objectKeysInternal(O, _enumBugKeys);
};
var f$4 = Object.getOwnPropertySymbols;
var _objectGops = {
f: f$4
};
// all enumerable object keys, includes symbols
var _enumKeys = function (it) {
var result = _objectKeys(it);
var getSymbols = _objectGops.f;
if (getSymbols) {
var symbols = getSymbols(it);
var isEnum = _objectPie.f;
var i = 0;
var key;
while (symbols.length > i) if (isEnum.call(it, key = symbols[i++])) result.push(key);
} return result;
};
// 7.2.2 IsArray(argument)
var _isArray = Array.isArray || function isArray(arg) {
return _cof(arg) == 'Array';
};
var _objectDps = _descriptors ? Object.defineProperties : function defineProperties(O, Properties) {
_anObject(O);
var keys = _objectKeys(Properties);
var length = keys.length;
var i = 0;
var P;
while (length > i) _objectDp.f(O, P = keys[i++], Properties[P]);
return O;
};
var document$2 = _global.document;
var _html = document$2 && document$2.documentElement;
// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
var IE_PROTO$1 = _sharedKey('IE_PROTO');
var Empty = function () { /* empty */ };
var PROTOTYPE$1 = 'prototype';
// Create object with fake `null` prototype: use iframe Object with cleared prototype
var createDict = function () {
// Thrash, waste and sodomy: IE GC bug
var iframe = _domCreate('iframe');
var i = _enumBugKeys.length;
var lt = '<';
var gt = '>';
var iframeDocument;
iframe.style.display = 'none';
_html.appendChild(iframe);
iframe.src = 'javascript:'; // eslint-disable-line no-script-url
// createDict = iframe.contentWindow.Object;
// html.removeChild(iframe);
iframeDocument = iframe.contentWindow.document;
iframeDocument.open();
iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
iframeDocument.close();
createDict = iframeDocument.F;
while (i--) delete createDict[PROTOTYPE$1][_enumBugKeys[i]];
return createDict();
};
var _objectCreate = Object.create || function create(O, Properties) {
var result;
if (O !== null) {
Empty[PROTOTYPE$1] = _anObject(O);
result = new Empty();
Empty[PROTOTYPE$1] = null;
// add "__proto__" for Object.getPrototypeOf polyfill
result[IE_PROTO$1] = O;
} else result = createDict();
return Properties === undefined ? result : _objectDps(result, Properties);
};
// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)
var hiddenKeys = _enumBugKeys.concat('length', 'prototype');
var f$5 = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
return _objectKeysInternal(O, hiddenKeys);
};
var _objectGopn = {
f: f$5
};
// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
var gOPN = _objectGopn.f;
var toString$1 = {}.toString;
var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
? Object.getOwnPropertyNames(window) : [];
var getWindowNames = function (it) {
try {
return gOPN(it);
} catch (e) {
return windowNames.slice();
}
};
var f$6 = function getOwnPropertyNames(it) {
return windowNames && toString$1.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(_toIobject(it));
};
var _objectGopnExt = {
f: f$6
};
// ECMAScript 6 symbols shim
var META = _meta.KEY;
var gOPD$1 = _objectGopd.f;
var dP$1 = _objectDp.f;
var gOPN$1 = _objectGopnExt.f;
var $Symbol = _global.Symbol;
var $JSON = _global.JSON;
var _stringify = $JSON && $JSON.stringify;
var PROTOTYPE$2 = 'prototype';
var HIDDEN = _wks('_hidden');
var TO_PRIMITIVE = _wks('toPrimitive');
var isEnum = {}.propertyIsEnumerable;
var SymbolRegistry = _shared('symbol-registry');
var AllSymbols = _shared('symbols');
var OPSymbols = _shared('op-symbols');
var ObjectProto = Object[PROTOTYPE$2];
var USE_NATIVE = typeof $Symbol == 'function';
var QObject = _global.QObject;
// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173
var setter = !QObject || !QObject[PROTOTYPE$2] || !QObject[PROTOTYPE$2].findChild;
// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687
var setSymbolDesc = _descriptors && _fails(function () {
return _objectCreate(dP$1({}, 'a', {
get: function () { return dP$1(this, 'a', { value: 7 }).a; }
})).a != 7;
}) ? function (it, key, D) {
var protoDesc = gOPD$1(ObjectProto, key);
if (protoDesc) delete ObjectProto[key];
dP$1(it, key, D);
if (protoDesc && it !== ObjectProto) dP$1(ObjectProto, key, protoDesc);
} : dP$1;
var wrap = function (tag) {
var sym = AllSymbols[tag] = _objectCreate($Symbol[PROTOTYPE$2]);
sym._k = tag;
return sym;
};
var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function (it) {
return typeof it == 'symbol';
} : function (it) {
return it instanceof $Symbol;
};
var $defineProperty = function defineProperty(it, key, D) {
if (it === ObjectProto) $defineProperty(OPSymbols, key, D);
_anObject(it);
key = _toPrimitive(key, true);
_anObject(D);
if (_has(AllSymbols, key)) {
if (!D.enumerable) {
if (!_has(it, HIDDEN)) dP$1(it, HIDDEN, _propertyDesc(1, {}));
it[HIDDEN][key] = true;
} else {
if (_has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
D = _objectCreate(D, { enumerable: _propertyDesc(0, false) });
} return setSymbolDesc(it, key, D);
} return dP$1(it, key, D);
};
var $defineProperties = function defineProperties(it, P) {
_anObject(it);
var keys = _enumKeys(P = _toIobject(P));
var i = 0;
var l = keys.length;
var key;
while (l > i) $defineProperty(it, key = keys[i++], P[key]);
return it;
};
var $create = function create(it, P) {
return P === undefined ? _objectCreate(it) : $defineProperties(_objectCreate(it), P);
};
var $propertyIsEnumerable = function propertyIsEnumerable(key) {
var E = isEnum.call(this, key = _toPrimitive(key, true));
if (this === ObjectProto && _has(AllSymbols, key) && !_has(OPSymbols, key)) return false;
return E || !_has(this, key) || !_has(AllSymbols, key) || _has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
};
var $getOwnPropertyDescriptor$1 = function getOwnPropertyDescriptor(it, key) {
it = _toIobject(it);
key = _toPrimitive(key, true);
if (it === ObjectProto && _has(AllSymbols, key) && !_has(OPSymbols, key)) return;
var D = gOPD$1(it, key);
if (D && _has(AllSymbols, key) && !(_has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;
return D;
};
var $getOwnPropertyNames = function getOwnPropertyNames(it) {
var names = gOPN$1(_toIobject(it));
var result = [];
var i = 0;
var key;
while (names.length > i) {
if (!_has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);
} return result;
};
var $getOwnPropertySymbols = function getOwnPropertySymbols(it) {
var IS_OP = it === ObjectProto;
var names = gOPN$1(IS_OP ? OPSymbols : _toIobject(it));
var result = [];
var i = 0;
var key;
while (names.length > i) {
if (_has(AllSymbols, key = names[i++]) && (IS_OP ? _has(ObjectProto, key) : true)) result.push(AllSymbols[key]);
} return result;
};
// 19.4.1.1 Symbol([description])
if (!USE_NATIVE) {
$Symbol = function Symbol() {
if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');
var tag = _uid(arguments.length > 0 ? arguments[0] : undefined);
var $set = function (value) {
if (this === ObjectProto) $set.call(OPSymbols, value);
if (_has(this, HIDDEN) && _has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
setSymbolDesc(this, tag, _propertyDesc(1, value));
};
if (_descriptors && setter) setSymbolDesc(ObjectProto, tag, { configurable: true, set: $set });
return wrap(tag);
};
_redefine($Symbol[PROTOTYPE$2], 'toString', function toString() {
return this._k;
});
_objectGopd.f = $getOwnPropertyDescriptor$1;
_objectDp.f = $defineProperty;
_objectGopn.f = _objectGopnExt.f = $getOwnPropertyNames;
_objectPie.f = $propertyIsEnumerable;
_objectGops.f = $getOwnPropertySymbols;
if (_descriptors && !_library) {
_redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);
}
_wksExt.f = function (name) {
return wrap(_wks(name));
};
}
_export(_export.G + _export.W + _export.F * !USE_NATIVE, { Symbol: $Symbol });
for (var es6Symbols = (
// 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14
'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'
).split(','), j = 0; es6Symbols.length > j;)_wks(es6Symbols[j++]);
for (var wellKnownSymbols = _objectKeys(_wks.store), k = 0; wellKnownSymbols.length > k;) _wksDefine(wellKnownSymbols[k++]);
_export(_export.S + _export.F * !USE_NATIVE, 'Symbol', {
// 19.4.2.1 Symbol.for(key)
'for': function (key) {
return _has(SymbolRegistry, key += '')
? SymbolRegistry[key]
: SymbolRegistry[key] = $Symbol(key);
},
// 19.4.2.5 Symbol.keyFor(sym)
keyFor: function keyFor(sym) {
if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');
for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;
},
useSetter: function () { setter = true; },
useSimple: function () { setter = false; }
});
_export(_export.S + _export.F * !USE_NATIVE, 'Object', {
// 19.1.2.2 Object.create(O [, Properties])
create: $create,
// 19.1.2.4 Object.defineProperty(O, P, Attributes)
defineProperty: $defineProperty,
// 19.1.2.3 Object.defineProperties(O, Properties)
defineProperties: $defineProperties,
// 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)
getOwnPropertyDescriptor: $getOwnPropertyDescriptor$1,
// 19.1.2.7 Object.getOwnPropertyNames(O)
getOwnPropertyNames: $getOwnPropertyNames,
// 19.1.2.8 Object.getOwnPropertySymbols(O)
getOwnPropertySymbols: $getOwnPropertySymbols
});
// 24.3.2 JSON.stringify(value [, replacer [, space]])
$JSON && _export(_export.S + _export.F * (!USE_NATIVE || _fails(function () {
var S = $Symbol();
// MS Edge converts symbol values to JSON as {}
// WebKit converts symbol values to JSON as null
// V8 throws on boxed symbols
return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}';
})), 'JSON', {
stringify: function stringify(it) {
var args = [it];
var i = 1;
var replacer, $replacer;
while (arguments.length > i) args.push(arguments[i++]);
$replacer = replacer = args[1];
if (!_isObject(replacer) && it === undefined || isSymbol(it)) return; // IE8 returns string on undefined
if (!_isArray(replacer)) replacer = function (key, value) {
if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
if (!isSymbol(value)) return value;
};
args[1] = replacer;
return _stringify.apply($JSON, args);
}
});
// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)
$Symbol[PROTOTYPE$2][TO_PRIMITIVE] || _hide($Symbol[PROTOTYPE$2], TO_PRIMITIVE, $Symbol[PROTOTYPE$2].valueOf);
// 19.4.3.5 Symbol.prototype[@@toStringTag]
_setToStringTag($Symbol, 'Symbol');
// 20.2.1.9 Math[@@toStringTag]
_setToStringTag(Math, 'Math', true);
// 24.3.3 JSON[@@toStringTag]
_setToStringTag(_global.JSON, 'JSON', true);
var getOwnPropertySymbols = _core.Object.getOwnPropertySymbols;
var getOwnPropertySymbols$1 = getOwnPropertySymbols;
// 7.1.13 ToObject(argument)
var _toObject = function (it) {
return Object(_defined(it));
};
// 19.1.2.14 Object.keys(O)
_objectSap('keys', function () {
return function keys(it) {
return _objectKeys(_toObject(it));
};
});
var keys = _core.Object.keys;
var keys$1 = keys;
// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)
_export(_export.S + _export.F * !_descriptors, 'Object', { defineProperty: _objectDp.f });
var $Object$1 = _core.Object;
var defineProperty$1 = function defineProperty(it, key, desc) {
return $Object$1.defineProperty(it, key, desc);
};
var defineProperty$2 = defineProperty$1;
function _defineProperty(obj, key, value) {
if (key in obj) {
defineProperty$2(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _objectSpread(target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i] != null ? arguments[i] : {};
var ownKeys = keys$1(source);
if (typeof getOwnPropertySymbols$1 === 'function') {
ownKeys = ownKeys.concat(getOwnPropertySymbols$1(source).filter(function (sym) {
return getOwnPropertyDescriptor$1(source, sym).enumerable;
}));
}
ownKeys.forEach(function (key) {
_defineProperty(target, key, source[key]);
});
}
return target;
}
// 19.1.2.1 Object.assign(target, source, ...)
var $assign = Object.assign;
// should work with symbols and should have deterministic property order (V8 bug)
var _objectAssign = !$assign || _fails(function () {
var A = {};
var B = {};
// eslint-disable-next-line no-undef
var S = Symbol();
var K = 'abcdefghijklmnopqrst';
A[S] = 7;
K.split('').forEach(function (k) { B[k] = k; });
return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
var T = _toObject(target);
var aLen = arguments.length;
var index = 1;
var getSymbols = _objectGops.f;
var isEnum = _objectPie.f;
while (aLen > index) {
var S = _iobject(arguments[index++]);
var keys = getSymbols ? _objectKeys(S).concat(getSymbols(S)) : _objectKeys(S);
var length = keys.length;
var j = 0;
var key;
while (length > j) if (isEnum.call(S, key = keys[j++])) T[key] = S[key];
} return T;
} : $assign;
// 19.1.3.1 Object.assign(target, source)
_export(_export.S + _export.F, 'Object', { assign: _objectAssign });
var assign = _core.Object.assign;
var assign$1 = assign;
var runtime = 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.
*/
!(function(global) {
var Op = Object.prototype;
var hasOwn = Op.hasOwnProperty;
var undefined; // More compressible than void 0.
var $Symbol = typeof Symbol === "function" ? Symbol : {};
var iteratorSymbol = $Symbol.iterator || "@@iterator";
var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
var runtime = global.regeneratorRuntime;
if (runtime) {
{
// If regeneratorRuntime is defined globally and we're in a module,
// make the exports object identical to regeneratorRuntime.
module.exports = runtime;
}
// Don't bother evaluating the rest of this file if the runtime was
// already defined globally.
return;
}
// Define the runtime globally (as expected by generated code) as either
// module.exports (if we're in a module) or a new, empty object.
runtime = global.regeneratorRuntime = module.exports;
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;
}
runtime.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);
};
});
}
runtime.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;
};
runtime.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.
runtime.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;
};
runtime.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.
runtime.async = function(innerFn, outerFn, self, tryLocsList) {
var iter = new AsyncIterator(
wrap(innerFn, outerFn, self, tryLocsList)
);
return runtime.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) {
i