diff --git a/dist/maptalks.markercluster.es.js b/dist/maptalks.markercluster.es.js
index d7cecb9..52ca661 100644
--- a/dist/maptalks.markercluster.es.js
+++ b/dist/maptalks.markercluster.es.js
@@ -411,7 +411,7 @@ ClusterLayer.registerRenderer('canvas', function (_maptalks$renderer$Ve) {
             var pgx = Math.floor((center.x - min.x) / r),
                 pgy = Math.floor((center.y - min.y) / r);
             var pkey = pgx + '_' + pgy;
-            var parent = _this5._clusterCache[z]['clusterMap'][pkey];
+            var parent = _this5._clusterCache[z] ? _this5._clusterCache[z]['clusterMap'][pkey] : null;
             if (parent) {
                 var pp = map._prjToContainerPoint(parent['center']);
                 pt = pp.add(pt.sub(pp)._multi(ratio));
diff --git a/dist/maptalks.markercluster.js b/dist/maptalks.markercluster.js
index f4ad7e3..3d7fced 100644
--- a/dist/maptalks.markercluster.js
+++ b/dist/maptalks.markercluster.js
@@ -415,7 +415,7 @@ ClusterLayer.registerRenderer('canvas', function (_maptalks$renderer$Ve) {
             var pgx = Math.floor((center.x - min.x) / r),
                 pgy = Math.floor((center.y - min.y) / r);
             var pkey = pgx + '_' + pgy;
-            var parent = _this5._clusterCache[z]['clusterMap'][pkey];
+            var parent = _this5._clusterCache[z] ? _this5._clusterCache[z]['clusterMap'][pkey] : null;
             if (parent) {
                 var pp = map._prjToContainerPoint(parent['center']);
                 pt = pp.add(pt.sub(pp)._multi(ratio));
diff --git a/dist/maptalks.markercluster.min.js b/dist/maptalks.markercluster.min.js
index 3db692e..453d5d0 100644
--- a/dist/maptalks.markercluster.min.js
+++ b/dist/maptalks.markercluster.min.js
@@ -3,4 +3,4 @@
  * LICENSE : MIT
  * (c) 2016-2022 maptalks.org
  */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("maptalks")):"function"==typeof define&&define.amd?define(["exports","maptalks"],e):e(t.maptalks=t.maptalks||{},t.maptalks)}(this,function(t,m){"use strict";function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function n(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function e(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):function(t,e){for(var r=Object.getOwnPropertyNames(e),o=0;o<r.length;o++){var i=r[o],n=Object.getOwnPropertyDescriptor(e,i);n&&n.configurable&&void 0===t[i]&&Object.defineProperty(t,i,n)}}(t,e))}var r=function(i){function s(){return o(this,s),n(this,i.apply(this,arguments))}return e(s,i),s.fromJSON=function(t){if(!t||"ClusterLayer"!==t.type)return null;for(var e=new s(t.id,t.options),r=t.geometries,o=[],i=0;i<r.length;i++){var n=m.Geometry.fromJSON(r[i]);n&&o.push(n)}return e.addGeometry(o),e},s.prototype.addMarker=function(t){return this.addGeometry(t)},s.prototype.addGeometry=function(t){for(var e=0,r=t.length;e<=r;e++)if(!t[e]instanceof m.Marker)throw new Error("Only a point(Marker) can be added into a ClusterLayer");return i.prototype.addGeometry.apply(this,arguments)},s.prototype.onConfig=function(t){if(i.prototype.onConfig.call(this,t),t.maxClusterRadius||t.symbol||t.drawClusterText||t.textSymbol||t.maxClusterZoom){var e=this._getRenderer();e&&e.render()}return this},s.prototype.identify=function(t,e){var r=this.getMap(),o=this.options.maxClusterZoom;return o&&r&&r.getZoom()>o?i.prototype.identify.call(this,t,e):this._getRenderer()?this._getRenderer().identify(t,e):null},s.prototype.toJSON=function(){var t=i.prototype.toJSON.call(this);return t.type="ClusterLayer",t},s.prototype.getClusters=function(){var t=this._getRenderer();return t&&t._currentClusters||[]},s}(m.VectorLayer);r.mergeOptions({maxClusterRadius:160,textSumProperty:null,symbol:null,drawClusterText:!0,textSymbol:null,animation:!0,animationDuration:450,maxClusterZoom:null,noClusterWithOneMarker:!0,forceRenderOnZooming:!0}),r.registerJSONType("ClusterLayer");var i={textFaceName:'"microsoft yahei"',textSize:16,textDx:0,textDy:0},s={markerType:"ellipse",markerFill:{property:"count",type:"interval",stops:[[0,"rgb(135, 196, 240)"],[9,"#1bbc9b"],[99,"rgb(216, 115, 149)"]]},markerFillOpacity:.7,markerLineOpacity:1,markerLineWidth:3,markerLineColor:"#fff",markerWidth:{property:"count",type:"interval",stops:[[0,40],[9,60],[99,80]]},markerHeight:{property:"count",type:"interval",stops:[[0,40],[9,60],[99,80]]}};r.registerRenderer("canvas",function(u){function r(t){o(this,r);var e=n(this,u.call(this,t));return e._animated=!0,e._refreshStyle(),e._clusterNeedRedraw=!0,e}return e(r,u),r.prototype.checkResources=function(){var t=this.layer.options.symbol||s,e=u.prototype.checkResources.apply(this,arguments);if(t!==this._symbolResourceChecked){var r=m.Util.getExternalResources(t,!0);r&&e.push.apply(e,r),this._symbolResourceChecked=t}return e},r.prototype.draw=function(){this.canvas||this.prepareCanvas();var t=this.getMap().getZoom(),e=this.layer.options.maxClusterZoom;if(e&&e<t)return delete this._currentClusters,this._markersToDraw=this.layer._geoList,void u.prototype.draw.apply(this,arguments);this._clusterNeedRedraw&&(this._clearDataCache(),this._computeGrid(),this._clusterNeedRedraw=!1);var r=this._clusterCache[t]?this._clusterCache[t].clusters:null,o=this._getClustersToDraw(r);o.zoom=t,this._drawLayer(o)},r.prototype._getClustersToDraw=function(t){this._markersToDraw=[];var e=this.getMap(),r=m.StringUtil.getFont(this._textSymbol),o=m.StringUtil.stringLength("9",r).toPoint(),i=e.getContainerExtent(),n=[],s=void 0,a=void 0,l=void 0,p=void 0,u=void 0;for(var h in t)if(this._currentGrid=t[h],1===t[h].count&&this.layer.options.noClusterWithOneMarker){var c=t[h].children[0];c._cluster=t[h],this._markersToDraw.push(c)}else if(p=(l=this._getSprite()).canvas.width,u=l.canvas.height,s=e._prjToContainerPoint(t[h].center),a=new m.PointExtent(s.sub(p,u),s.add(p,u)),i.intersects(a)){if(!t[h].textSize){var y=this._getClusterText(t[h]);t[h].textSize=new m.Point(o.x*y.length,o.y)._multi(.5)}n.push(t[h])}return n},r.prototype.drawOnInteracting=function(){this._currentClusters&&this._drawClusters(this._currentClusters,1),u.prototype.drawOnInteracting.apply(this,arguments)},r.prototype.forEachGeo=function(e,r){this._markersToDraw&&this._markersToDraw.forEach(function(t){r?e.call(r,t):e(t)})},r.prototype.onGeometryShow=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryShow.apply(this,arguments)},r.prototype.onGeometryHide=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryHide.apply(this,arguments)},r.prototype.onGeometryAdd=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryAdd.apply(this,arguments)},r.prototype.onGeometryRemove=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryRemove.apply(this,arguments)},r.prototype.onGeometryPositionChange=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryPositionChange.apply(this,arguments)},r.prototype.onRemove=function(){this._clearDataCache()},r.prototype.identify=function(t,e){var r=this.getMap(),o=this.layer.options.maxClusterZoom;if(o&&r.getZoom()>o)return u.prototype.identify.call(this,t,e);if(this._currentClusters){for(var i=r.coordinateToContainerPoint(t),n=this._currentGrid,s=0;s<this._currentClusters.length;s++){var a=this._currentClusters[s],l=r._prjToContainerPoint(a.center);this._currentGrid=a;var p=this._getSprite().canvas.width;if(i.distanceTo(l)<=p)return{center:r.getProjection().unproject(a.center.copy()),children:a.children.slice(0)}}this._currentGrid=n}return this._markersToDraw?this.layer._hitGeos(this._markersToDraw,t,e):null},r.prototype.onSymbolChanged=function(){this._refreshStyle(),this._computeGrid(),this._stopAnim(),this.setToRedraw()},r.prototype._refreshStyle=function(){var t=this,e=this.layer.options.symbol||s,r=this.layer.options.textSymbol||i,o=function(){return[t.getMap().getZoom(),t._currentGrid]};this._symbol=m.MapboxUtil.loadFunctionTypes(e,o),this._textSymbol=m.MapboxUtil.loadFunctionTypes(r,o)},r.prototype._drawLayer=function(e){var r=this,o=this._currentClusters||e;this._currentClusters=e,delete this._clusterMaskExtent;var t=this.layer;if(t.options.animation&&this._animated&&this._inout){var i=[0,1];"in"===this._inout&&(i=[1,0]),this._player=m.animation.Animation.animate({d:i},{speed:t.options.animationDuration,easing:"inAndOut"},function(t){"finished"===t.state.playState?(r._animated=!1,r._drawClusters(e,1),r._drawMarkers(),r.completeRender()):("in"===r._inout?r._drawClustersFrame(e,o,t.styles.d):r._drawClustersFrame(o,e,t.styles.d),r.setCanvasUpdated())}).play()}else this._animated=!1,this._drawClusters(e,1),this._drawMarkers(),this.completeRender()},r.prototype._drawMarkers=function(){u.prototype.drawGeos.call(this,this._clusterMaskExtent)},r.prototype._drawClustersFrame=function(t,e,s){var a=this;this._clusterMaskExtent=this.prepareCanvas();var l=this.getMap(),r={};if(t&&t.forEach(function(t){var e=l._prjToContainerPoint(t.center);r[t.key]||(r[t.key]=1,a._drawCluster(e,t,1-s))}),0!==s&&e){var p=t.zoom,u=l._getResolution(p)*this.layer.options.maxClusterRadius,h=this._markerExtent.getMin();e.forEach(function(t){var e=l._prjToContainerPoint(t.center),r=t.center,o=Math.floor((r.x-h.x)/u)+"_"+Math.floor((r.y-h.y)/u),i=a._clusterCache[p].clusterMap[o];if(i){var n=l._prjToContainerPoint(i.center);e=n.add(e.sub(n)._multi(s))}a._drawCluster(e,t,.5<s?1:s)})}},r.prototype._drawClusters=function(t,r){var o=this;if(t){this._clusterMaskExtent=this.prepareCanvas();var i=this.getMap();t.forEach(function(t){var e=i._prjToContainerPoint(t.center);o._drawCluster(e,t,.5<r?1:r)})}},r.prototype._drawCluster=function(t,e,r){this._currentGrid=e;var o=this.context,i=this._getSprite(),n=o.globalAlpha;if(n*r!=0){if(o.globalAlpha=n*r,i){var s=t.add(i.offset)._sub(i.canvas.width/2,i.canvas.height/2);o.drawImage(i.canvas,s.x,s.y)}if(this.layer.options.drawClusterText&&e.textSize){m.Canvas.prepareCanvasFont(o,this._textSymbol),o.textBaseline="middle";var a=this._textSymbol.textDx||0,l=this._textSymbol.textDy||0,p=this._getClusterText(e);m.Canvas.fillText(o,p,t.sub(e.textSize.x,0)._add(a,l))}o.globalAlpha=n}},r.prototype._getClusterText=function(t){return(this.layer.options.textSumProperty?t.textSumProperty:t.count)+""},r.prototype._getSprite=function(){this._spriteCache||(this._spriteCache={});var t=m.Util.getSymbolStamp(this._symbol);return this._spriteCache[t]||(this._spriteCache[t]=new m.Marker([0,0],{symbol:this._symbol})._getSprite(this.resources,this.getMap().CanvasClass)),this._spriteCache[t]},r.prototype._initGridSystem=function(){var e=[],r=void 0,o=void 0;this.layer.forEach(function(t){t.isVisible()&&(o=t._getPrjCoordinates(),r=r?r._combine(t._getPrjExtent()):t._getPrjExtent(),e.push({x:o.x,y:o.y,id:t._getInternalId(),geometry:t}))}),this._markerExtent=r,this._markerPoints=e},r.prototype._computeGrid=function(){var t=this.getMap(),e=t.getZoom();this._markerExtent||this._initGridSystem(),this._clusterCache||(this._clusterCache={});var r=t._getResolution(t.getMinZoom())>t._getResolution(t.getMaxZoom())?e-1:e+1;this._clusterCache[r]&&this._clusterCache[r].length===this.layer.getCount()&&(this._clusterCache[e]=this._clusterCache[r]),this._clusterCache[e]||(this._clusterCache[e]=this._computeZoomGrid(e))},r.prototype._computeZoomGrid=function(t){if(!this._markerExtent)return null;var e=this.getMap(),r=e._getResolution(t)*this.layer.options.maxClusterRadius,o=e._getResolution(t-1)?e._getResolution(t-1)*this.layer.options.maxClusterRadius:null,i=this._clusterCache[t-1];!i&&t-1>=e.getMinZoom()&&(this._clusterCache[t-1]=i=this._computeZoomGrid(t-1));for(var n=this._markerPoints,s=this.layer.options.textSumProperty,a={},l=this._markerExtent.getMin(),p=void 0,u=void 0,h=0,c=n.length;h<c;h++){var y=n[h].geometry,d=0;s&&y.getProperties()&&y.getProperties()[s]&&(d=y.getProperties()[s]),a[p=Math.floor((n[h].x-l.x)/r)+"_"+Math.floor((n[h].y-l.y)/r)]?(a[p].sum._add(new m.Coordinate(n[h].x,n[h].y)),a[p].count++,a[p].center=a[p].sum.multi(1/a[p].count),a[p].children.push(y),a[p].textSumProperty+=d):(a[p]={sum:new m.Coordinate(n[h].x,n[h].y),center:new m.Coordinate(n[h].x,n[h].y),count:1,textSumProperty:d,children:[y],key:p+""},o&&i&&(u=Math.floor((n[h].x-l.x)/o)+"_"+Math.floor((n[h].y-l.y)/o),a[p].parent=i.clusterMap[u]))}return this._mergeClusters(a,r/2)},r.prototype._mergeClusters=function(t,e){var r={};for(var o in t)r[o]=t[o];var i={},n={},s=void 0,a=void 0;for(var l in t)if(!n[(s=t[l]).key])for(var p=s.key.split("_"),u=+p[0],h=+p[1],c=-1;c<=1;c++)for(var y=-1;y<=1;y++){if(0!==c||0!==y)(a=t[u+c+"_"+(h+y)])&&this._distanceTo(s.center,a.center)<=e&&(i[s.key]||(i[s.key]=[]),i[s.key].push(a),n[a.key]=1)}for(var d in i){var m=t[d];if(m){for(var _=i[d],f=0;f<_.length;f++)t[_[f].key]&&(m.sum._add(_[f].sum),m.count+=_[f].count,m.textSumProperty+=_[f].textSumProperty,m.children=m.children.concat(_[f].children),r[_[f].key]=m,delete t[_[f].key]);m.center=m.sum.multi(1/m.count)}}return{clusters:t,clusterMap:r}},r.prototype._distanceTo=function(t,e){var r=t.x-e.x,o=t.y-e.y;return Math.sqrt(r*r+o*o)},r.prototype._stopAnim=function(){this._player&&"finished"!==this._player.playState&&this._player.finish()},r.prototype.onZoomStart=function(t){this._stopAnim(),u.prototype.onZoomStart.call(this,t)},r.prototype.onZoomEnd=function(t){!this.layer.isEmpty()&&this.layer.isVisible()&&(this._inout=t.from>t.to?"in":"out",this._animated=!0,this._computeGrid()),u.prototype.onZoomEnd.apply(this,arguments)},r.prototype._clearDataCache=function(){this._stopAnim(),delete this._markerExtent,delete this._markerPoints,delete this._clusterCache,delete this._zoomInClusters},r}(m.renderer.VectorLayerCanvasRenderer)),t.ClusterLayer=r,Object.defineProperty(t,"__esModule",{value:!0}),"undefined"!=typeof console&&console.log("maptalks.markercluster v0.8.4")});
\ No newline at end of file
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("maptalks")):"function"==typeof define&&define.amd?define(["exports","maptalks"],e):e(t.maptalks=t.maptalks||{},t.maptalks)}(this,function(t,m){"use strict";function o(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function n(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e}function e(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):function(t,e){for(var r=Object.getOwnPropertyNames(e),o=0;o<r.length;o++){var i=r[o],n=Object.getOwnPropertyDescriptor(e,i);n&&n.configurable&&void 0===t[i]&&Object.defineProperty(t,i,n)}}(t,e))}var r=function(i){function s(){return o(this,s),n(this,i.apply(this,arguments))}return e(s,i),s.fromJSON=function(t){if(!t||"ClusterLayer"!==t.type)return null;for(var e=new s(t.id,t.options),r=t.geometries,o=[],i=0;i<r.length;i++){var n=m.Geometry.fromJSON(r[i]);n&&o.push(n)}return e.addGeometry(o),e},s.prototype.addMarker=function(t){return this.addGeometry(t)},s.prototype.addGeometry=function(t){for(var e=0,r=t.length;e<=r;e++)if(!t[e]instanceof m.Marker)throw new Error("Only a point(Marker) can be added into a ClusterLayer");return i.prototype.addGeometry.apply(this,arguments)},s.prototype.onConfig=function(t){if(i.prototype.onConfig.call(this,t),t.maxClusterRadius||t.symbol||t.drawClusterText||t.textSymbol||t.maxClusterZoom){var e=this._getRenderer();e&&e.render()}return this},s.prototype.identify=function(t,e){var r=this.getMap(),o=this.options.maxClusterZoom;return o&&r&&r.getZoom()>o?i.prototype.identify.call(this,t,e):this._getRenderer()?this._getRenderer().identify(t,e):null},s.prototype.toJSON=function(){var t=i.prototype.toJSON.call(this);return t.type="ClusterLayer",t},s.prototype.getClusters=function(){var t=this._getRenderer();return t&&t._currentClusters||[]},s}(m.VectorLayer);r.mergeOptions({maxClusterRadius:160,textSumProperty:null,symbol:null,drawClusterText:!0,textSymbol:null,animation:!0,animationDuration:450,maxClusterZoom:null,noClusterWithOneMarker:!0,forceRenderOnZooming:!0}),r.registerJSONType("ClusterLayer");var i={textFaceName:'"microsoft yahei"',textSize:16,textDx:0,textDy:0},s={markerType:"ellipse",markerFill:{property:"count",type:"interval",stops:[[0,"rgb(135, 196, 240)"],[9,"#1bbc9b"],[99,"rgb(216, 115, 149)"]]},markerFillOpacity:.7,markerLineOpacity:1,markerLineWidth:3,markerLineColor:"#fff",markerWidth:{property:"count",type:"interval",stops:[[0,40],[9,60],[99,80]]},markerHeight:{property:"count",type:"interval",stops:[[0,40],[9,60],[99,80]]}};r.registerRenderer("canvas",function(u){function r(t){o(this,r);var e=n(this,u.call(this,t));return e._animated=!0,e._refreshStyle(),e._clusterNeedRedraw=!0,e}return e(r,u),r.prototype.checkResources=function(){var t=this.layer.options.symbol||s,e=u.prototype.checkResources.apply(this,arguments);if(t!==this._symbolResourceChecked){var r=m.Util.getExternalResources(t,!0);r&&e.push.apply(e,r),this._symbolResourceChecked=t}return e},r.prototype.draw=function(){this.canvas||this.prepareCanvas();var t=this.getMap().getZoom(),e=this.layer.options.maxClusterZoom;if(e&&e<t)return delete this._currentClusters,this._markersToDraw=this.layer._geoList,void u.prototype.draw.apply(this,arguments);this._clusterNeedRedraw&&(this._clearDataCache(),this._computeGrid(),this._clusterNeedRedraw=!1);var r=this._clusterCache[t]?this._clusterCache[t].clusters:null,o=this._getClustersToDraw(r);o.zoom=t,this._drawLayer(o)},r.prototype._getClustersToDraw=function(t){this._markersToDraw=[];var e=this.getMap(),r=m.StringUtil.getFont(this._textSymbol),o=m.StringUtil.stringLength("9",r).toPoint(),i=e.getContainerExtent(),n=[],s=void 0,a=void 0,l=void 0,p=void 0,u=void 0;for(var h in t)if(this._currentGrid=t[h],1===t[h].count&&this.layer.options.noClusterWithOneMarker){var c=t[h].children[0];c._cluster=t[h],this._markersToDraw.push(c)}else if(p=(l=this._getSprite()).canvas.width,u=l.canvas.height,s=e._prjToContainerPoint(t[h].center),a=new m.PointExtent(s.sub(p,u),s.add(p,u)),i.intersects(a)){if(!t[h].textSize){var y=this._getClusterText(t[h]);t[h].textSize=new m.Point(o.x*y.length,o.y)._multi(.5)}n.push(t[h])}return n},r.prototype.drawOnInteracting=function(){this._currentClusters&&this._drawClusters(this._currentClusters,1),u.prototype.drawOnInteracting.apply(this,arguments)},r.prototype.forEachGeo=function(e,r){this._markersToDraw&&this._markersToDraw.forEach(function(t){r?e.call(r,t):e(t)})},r.prototype.onGeometryShow=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryShow.apply(this,arguments)},r.prototype.onGeometryHide=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryHide.apply(this,arguments)},r.prototype.onGeometryAdd=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryAdd.apply(this,arguments)},r.prototype.onGeometryRemove=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryRemove.apply(this,arguments)},r.prototype.onGeometryPositionChange=function(){this._clusterNeedRedraw=!0,u.prototype.onGeometryPositionChange.apply(this,arguments)},r.prototype.onRemove=function(){this._clearDataCache()},r.prototype.identify=function(t,e){var r=this.getMap(),o=this.layer.options.maxClusterZoom;if(o&&r.getZoom()>o)return u.prototype.identify.call(this,t,e);if(this._currentClusters){for(var i=r.coordinateToContainerPoint(t),n=this._currentGrid,s=0;s<this._currentClusters.length;s++){var a=this._currentClusters[s],l=r._prjToContainerPoint(a.center);this._currentGrid=a;var p=this._getSprite().canvas.width;if(i.distanceTo(l)<=p)return{center:r.getProjection().unproject(a.center.copy()),children:a.children.slice(0)}}this._currentGrid=n}return this._markersToDraw?this.layer._hitGeos(this._markersToDraw,t,e):null},r.prototype.onSymbolChanged=function(){this._refreshStyle(),this._computeGrid(),this._stopAnim(),this.setToRedraw()},r.prototype._refreshStyle=function(){var t=this,e=this.layer.options.symbol||s,r=this.layer.options.textSymbol||i,o=function(){return[t.getMap().getZoom(),t._currentGrid]};this._symbol=m.MapboxUtil.loadFunctionTypes(e,o),this._textSymbol=m.MapboxUtil.loadFunctionTypes(r,o)},r.prototype._drawLayer=function(e){var r=this,o=this._currentClusters||e;this._currentClusters=e,delete this._clusterMaskExtent;var t=this.layer;if(t.options.animation&&this._animated&&this._inout){var i=[0,1];"in"===this._inout&&(i=[1,0]),this._player=m.animation.Animation.animate({d:i},{speed:t.options.animationDuration,easing:"inAndOut"},function(t){"finished"===t.state.playState?(r._animated=!1,r._drawClusters(e,1),r._drawMarkers(),r.completeRender()):("in"===r._inout?r._drawClustersFrame(e,o,t.styles.d):r._drawClustersFrame(o,e,t.styles.d),r.setCanvasUpdated())}).play()}else this._animated=!1,this._drawClusters(e,1),this._drawMarkers(),this.completeRender()},r.prototype._drawMarkers=function(){u.prototype.drawGeos.call(this,this._clusterMaskExtent)},r.prototype._drawClustersFrame=function(t,e,s){var a=this;this._clusterMaskExtent=this.prepareCanvas();var l=this.getMap(),r={};if(t&&t.forEach(function(t){var e=l._prjToContainerPoint(t.center);r[t.key]||(r[t.key]=1,a._drawCluster(e,t,1-s))}),0!==s&&e){var p=t.zoom,u=l._getResolution(p)*this.layer.options.maxClusterRadius,h=this._markerExtent.getMin();e.forEach(function(t){var e=l._prjToContainerPoint(t.center),r=t.center,o=Math.floor((r.x-h.x)/u)+"_"+Math.floor((r.y-h.y)/u),i=a._clusterCache[p].clusterMap[o];if(i){var n=l._prjToContainerPoint(i.center);e=n.add(e.sub(n)._multi(s))}a._drawCluster(e,t,.5<s?1:s)})}},r.prototype._drawClusters=function(t,r){var o=this;if(t){this._clusterMaskExtent=this.prepareCanvas();var i=this.getMap();t.forEach(function(t){var e=i._prjToContainerPoint(t.center);o._drawCluster(e,t,.5<r?1:r)})}},r.prototype._drawCluster=function(t,e,r){this._currentGrid=e;var o=this.context,i=this._getSprite(),n=o.globalAlpha;if(n*r!=0){if(o.globalAlpha=n*r,i){var s=t.add(i.offset)._sub(i.canvas.width/2,i.canvas.height/2);o.drawImage(i.canvas,s.x,s.y)}if(this.layer.options.drawClusterText&&e.textSize){m.Canvas.prepareCanvasFont(o,this._textSymbol),o.textBaseline="middle";var a=this._textSymbol.textDx||0,l=this._textSymbol.textDy||0,p=this._getClusterText(e);m.Canvas.fillText(o,p,t.sub(e.textSize.x,0)._add(a,l))}o.globalAlpha=n}},r.prototype._getClusterText=function(t){return(this.layer.options.textSumProperty?t.textSumProperty:t.count)+""},r.prototype._getSprite=function(){this._spriteCache||(this._spriteCache={});var t=m.Util.getSymbolStamp(this._symbol);return this._spriteCache[t]||(this._spriteCache[t]=new m.Marker([0,0],{symbol:this._symbol})._getSprite(this.resources,this.getMap().CanvasClass)),this._spriteCache[t]},r.prototype._initGridSystem=function(){var e=[],r=void 0,o=void 0;this.layer.forEach(function(t){t.isVisible()&&(o=t._getPrjCoordinates(),r=r?r._combine(t._getPrjExtent()):t._getPrjExtent(),e.push({x:o.x,y:o.y,id:t._getInternalId(),geometry:t}))}),this._markerExtent=r,this._markerPoints=e},r.prototype._computeGrid=function(){var t=this.getMap(),e=t.getZoom();this._markerExtent||this._initGridSystem(),this._clusterCache||(this._clusterCache={});var r=t._getResolution(t.getMinZoom())>t._getResolution(t.getMaxZoom())?e-1:e+1;this._clusterCache[r]&&this._clusterCache[r].length===this.layer.getCount()&&(this._clusterCache[e]=this._clusterCache[r]),this._clusterCache[e]||(this._clusterCache[e]=this._computeZoomGrid(e))},r.prototype._computeZoomGrid=function(t){if(!this._markerExtent)return null;var e=this.getMap(),r=e._getResolution(t)*this.layer.options.maxClusterRadius,o=e._getResolution(t-1)?e._getResolution(t-1)*this.layer.options.maxClusterRadius:null,i=this._clusterCache[t-1];!i&&t-1>=e.getMinZoom()&&(this._clusterCache[t-1]=i=this._computeZoomGrid(t-1));for(var n=this._markerPoints,s=this.layer.options.textSumProperty,a={},l=this._markerExtent.getMin(),p=void 0,u=void 0,h=0,c=n.length;h<c;h++){var y=n[h].geometry,d=0;s&&y.getProperties()&&y.getProperties()[s]&&(d=y.getProperties()[s]),a[p=Math.floor((n[h].x-l.x)/r)+"_"+Math.floor((n[h].y-l.y)/r)]?(a[p].sum._add(new m.Coordinate(n[h].x,n[h].y)),a[p].count++,a[p].center=a[p].sum.multi(1/a[p].count),a[p].children.push(y),a[p].textSumProperty+=d):(a[p]={sum:new m.Coordinate(n[h].x,n[h].y),center:new m.Coordinate(n[h].x,n[h].y),count:1,textSumProperty:d,children:[y],key:p+""},o&&i&&(u=Math.floor((n[h].x-l.x)/o)+"_"+Math.floor((n[h].y-l.y)/o),a[p].parent=i.clusterMap[u]))}return this._mergeClusters(a,r/2)},r.prototype._mergeClusters=function(t,e){var r={};for(var o in t)r[o]=t[o];var i={},n={},s=void 0,a=void 0;for(var l in t)if(!n[(s=t[l]).key])for(var p=s.key.split("_"),u=+p[0],h=+p[1],c=-1;c<=1;c++)for(var y=-1;y<=1;y++){if(0!==c||0!==y)(a=t[u+c+"_"+(h+y)])&&this._distanceTo(s.center,a.center)<=e&&(i[s.key]||(i[s.key]=[]),i[s.key].push(a),n[a.key]=1)}for(var d in i){var m=t[d];if(m){for(var _=i[d],f=0;f<_.length;f++)t[_[f].key]&&(m.sum._add(_[f].sum),m.count+=_[f].count,m.textSumProperty+=_[f].textSumProperty,m.children=m.children.concat(_[f].children),r[_[f].key]=m,delete t[_[f].key]);m.center=m.sum.multi(1/m.count)}}return{clusters:t,clusterMap:r}},r.prototype._distanceTo=function(t,e){var r=t.x-e.x,o=t.y-e.y;return Math.sqrt(r*r+o*o)},r.prototype._stopAnim=function(){this._player&&"finished"!==this._player.playState&&this._player.finish()},r.prototype.onZoomStart=function(t){this._stopAnim(),u.prototype.onZoomStart.call(this,t)},r.prototype.onZoomEnd=function(t){!this.layer.isEmpty()&&this.layer.isVisible()&&(this._inout=t.from>t.to?"in":"out",this._animated=!0,this._computeGrid()),u.prototype.onZoomEnd.apply(this,arguments)},r.prototype._clearDataCache=function(){this._stopAnim(),delete this._markerExtent,delete this._markerPoints,delete this._clusterCache,delete this._zoomInClusters},r}(m.renderer.VectorLayerCanvasRenderer)),t.ClusterLayer=r,Object.defineProperty(t,"__esModule",{value:!0}),"undefined"!=typeof console&&console.log("maptalks.markercluster v0.8.4")});
diff --git a/index.js b/index.js
index 847bcf2..dcc532b 100644
--- a/index.js
+++ b/index.js
@@ -372,7 +372,7 @@ ClusterLayer.registerRenderer('canvas', class extends maptalks.renderer.VectorLa
             const pgx = Math.floor((center.x - min.x) / r),
                 pgy = Math.floor((center.y - min.y) / r);
             const pkey = pgx + '_' + pgy;
-            const parent = this._clusterCache[z]['clusterMap'][pkey];
+            const parent = this._clusterCache[z] ? this._clusterCache[z]['clusterMap'][pkey]: null;
             if (parent) {
                 const pp = map._prjToContainerPoint(parent['center']);
                 pt = pp.add(pt.sub(pp)._multi(ratio));
diff --git a/yarn.lock b/yarn.lock
index 1b8ea88..4eec0f4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,16 @@
 # yarn lockfile v1
 
 
+"@maptalks/feature-filter@^1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@maptalks/feature-filter/-/feature-filter-1.0.0.tgz#bfcc7f705e6de5c6c3d3802a3b5081272c877fc8"
+  integrity sha512-JbEOtPGRrT6R8K4zFPEBUtcXNIzdVliK/X9OTmFt4GhEZU79TgnwElCb68GAcC+5c0TAHgY73KBdZPb6M9yaTg==
+
+"@maptalks/function-type@^1.2.3":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@maptalks/function-type/-/function-type-1.2.3.tgz#2f5c33b095af452c727026801bf1496ff78fe777"
+  integrity sha512-q6i14qss+Y1bv5VzIvDFrsOGvWCih2p6LS2NcfgU7VrnjAlCRW1D6iVGDW2N9XCuJsXwg/9QJsTrqEIz6T7eUg==
+
 abbrev@1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.0.tgz#d0554c2256636e2f56e7c2e5ad183f859428d81f"
@@ -42,10 +52,24 @@ ajv@^4.7.0, ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
+ansi-colors@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-colors/-/ansi-colors-1.1.0.tgz#6374b4dd5d4718ff3ce27a671a3b1cad077132a9"
+  integrity sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==
+  dependencies:
+    ansi-wrap "^0.1.0"
+
 ansi-escapes@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
 
+ansi-gray@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-gray/-/ansi-gray-0.1.1.tgz#2962cf54ec9792c48510a3deb524436861ef7251"
+  integrity sha1-KWLPVOyXksSFEKPetSRDaGHvclE=
+  dependencies:
+    ansi-wrap "0.1.0"
+
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -64,6 +88,11 @@ ansi-styles@^3.1.0:
   dependencies:
     color-convert "^1.9.0"
 
+ansi-wrap@0.1.0, ansi-wrap@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-wrap/-/ansi-wrap-0.1.0.tgz#a82250ddb0015e9a27ca82e82ea603bbfa45efaf"
+  integrity sha1-qCJQ3bABXponyoLoLqYDu/pF768=
+
 anymatch@^1.3.0:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.2.tgz#553dcb8f91e3c889845dfdba34c77721b90b9d7a"
@@ -71,6 +100,21 @@ anymatch@^1.3.0:
     micromatch "^2.1.5"
     normalize-path "^2.0.0"
 
+anymatch@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-2.0.0.tgz#bcb24b4f37934d9aa7ac17b4adaf89e7c76ef2eb"
+  integrity sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==
+  dependencies:
+    micromatch "^3.1.4"
+    normalize-path "^2.1.1"
+
+append-buffer@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/append-buffer/-/append-buffer-1.0.2.tgz#d8220cf466081525efea50614f3de6514dfa58f1"
+  integrity sha1-2CIM9GYIFSXv6lBhTz3mUU36WPE=
+  dependencies:
+    buffer-equal "^1.0.0"
+
 aproba@^1.0.3:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.1.2.tgz#45c6629094de4e96f693ef7eab74ae079c240fc1"
@@ -98,18 +142,53 @@ arr-diff@^2.0.0:
   dependencies:
     arr-flatten "^1.0.1"
 
-arr-flatten@^1.0.1:
+arr-diff@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
+  integrity sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=
+
+arr-filter@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/arr-filter/-/arr-filter-1.1.2.tgz#43fdddd091e8ef11aa4c45d9cdc18e2dff1711ee"
+  integrity sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=
+  dependencies:
+    make-iterator "^1.0.0"
+
+arr-flatten@^1.0.1, arr-flatten@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
 
-array-differ@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-1.0.0.tgz#eff52e3758249d33be402b8bb8e564bb2b5d4031"
+arr-map@^2.0.0, arr-map@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/arr-map/-/arr-map-2.0.2.tgz#3a77345ffc1cf35e2a91825601f9e58f2e24cac4"
+  integrity sha1-Onc0X/wc814qkYJWAfnljy4kysQ=
+  dependencies:
+    make-iterator "^1.0.0"
+
+arr-union@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
+  integrity sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=
 
-array-each@^1.0.1:
+array-each@^1.0.0, array-each@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/array-each/-/array-each-1.0.1.tgz#a794af0c05ab1752846ee753a1f211a05ba0c44f"
 
+array-initial@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/array-initial/-/array-initial-1.1.0.tgz#2fa74b26739371c3947bd7a7adc73be334b3d795"
+  integrity sha1-L6dLJnOTccOUe9enrcc74zSz15U=
+  dependencies:
+    array-slice "^1.0.0"
+    is-number "^4.0.0"
+
+array-last@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/array-last/-/array-last-1.3.0.tgz#7aa77073fec565ddab2493f5f88185f404a9d336"
+  integrity sha512-eOCut5rXlI6aCOS7Z7kCplKRKyiFQ6dHFBem4PwlwKeNFk2/XxTrhRh5T9PyaEWGy/NHTZWbY+nsZlNFJu9rYg==
+  dependencies:
+    is-number "^4.0.0"
+
 array-slice@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-0.2.3.tgz#dd3cfb80ed7973a75117cdac69b0b99ec86186f5"
@@ -118,13 +197,22 @@ array-slice@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-1.0.0.tgz#e73034f00dcc1f40876008fd20feae77bd4b7c2f"
 
+array-sort@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-sort/-/array-sort-1.0.0.tgz#e4c05356453f56f53512a7d1d6123f2c54c0a88a"
+  integrity sha512-ihLeJkonmdiAsD7vpgN3CRcx2J2S0TiYW+IS/5zHBI7mKUq3ySvBdzzBfD236ubDBQFiiyG3SWCPc+msQ9KoYg==
+  dependencies:
+    default-compare "^1.0.0"
+    get-value "^2.0.6"
+    kind-of "^5.0.2"
+
 array-union@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
   dependencies:
     array-uniq "^1.0.1"
 
-array-uniq@^1.0.1, array-uniq@^1.0.2:
+array-uniq@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
 
@@ -132,6 +220,11 @@ array-unique@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
 
+array-unique@^0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
+  integrity sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
+
 arraybuffer.slice@0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz#f33b2159f0532a3f3107a272c0ccfbd1ad2979ca"
@@ -152,14 +245,46 @@ assert-plus@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
 
+assign-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
+  integrity sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=
+
+async-done@^1.2.0, async-done@^1.2.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/async-done/-/async-done-1.3.2.tgz#5e15aa729962a4b07414f528a88cdf18e0b290a2"
+  integrity sha512-uYkTP8dw2og1tu1nmza1n1CMW0qb8gWWlwqMmLb7MhBVs4BXrFziT6HXUd+/RlRA/i4H9AkofYloUbs1fwMqlw==
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.2"
+    process-nextick-args "^2.0.0"
+    stream-exhaust "^1.0.1"
+
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
+async-each@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.3.tgz#b727dbf87d7651602f06f4d4ac387f47d91b0cbf"
+  integrity sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ==
+
+async-settle@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-settle/-/async-settle-1.0.0.tgz#1d0a914bb02575bec8a8f3a74e5080f72b2c0c6b"
+  integrity sha1-HQqRS7Aldb7IqPOnTlCA9yssDGs=
+  dependencies:
+    async-done "^1.2.2"
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
 
+atob@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
+  integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
+
 aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
@@ -582,6 +707,21 @@ babylon@^6.17.0, babylon@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
+bach@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/bach/-/bach-1.2.0.tgz#4b3ce96bf27134f79a1b414a51c14e34c3bd9880"
+  integrity sha1-Szzpa/JxNPeaG0FKUcFONMO9mIA=
+  dependencies:
+    arr-filter "^1.1.1"
+    arr-flatten "^1.0.1"
+    arr-map "^2.0.0"
+    array-each "^1.0.0"
+    array-initial "^1.0.0"
+    array-last "^1.1.1"
+    async-done "^1.2.2"
+    async-settle "^1.0.0"
+    now-and-later "^2.0.0"
+
 backo2@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/backo2/-/backo2-1.0.2.tgz#31ab1ac8b129363463e35b3ebb69f4dfcfba7947"
@@ -598,16 +738,25 @@ base64id@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/base64id/-/base64id-1.0.0.tgz#47688cb99bb6804f0e06d3e763b1c32e57d8e6b6"
 
+base@^0.11.1:
+  version "0.11.2"
+  resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
+  integrity sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==
+  dependencies:
+    cache-base "^1.0.1"
+    class-utils "^0.3.5"
+    component-emitter "^1.2.1"
+    define-property "^1.0.0"
+    isobject "^3.0.1"
+    mixin-deep "^1.2.0"
+    pascalcase "^0.1.1"
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
   dependencies:
     tweetnacl "^0.14.3"
 
-beeper@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/beeper/-/beeper-1.1.1.tgz#e6d5ea8c5dad001304a70b22638447f69cb2f809"
-
 better-assert@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/better-assert/-/better-assert-1.0.2.tgz#40866b9e1b9e0b55b481894311e68faffaebc522"
@@ -618,6 +767,13 @@ binary-extensions@^1.0.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.10.0.tgz#9aeb9a6c5e88638aad171e167f5900abe24835d0"
 
+bindings@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.5.0.tgz#10353c9e945334bc0511a6d90b38fbc7c9c504df"
+  integrity sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==
+  dependencies:
+    file-uri-to-path "1.0.0"
+
 blob@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.4.tgz#bcf13052ca54463f30f9fc7e95b9a47630a94921"
@@ -653,7 +809,7 @@ boom@2.x.x:
   dependencies:
     hoek "2.x.x"
 
-brace-expansion@^1.0.0, brace-expansion@^1.1.7:
+brace-expansion@^1.1.7:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
   dependencies:
@@ -674,12 +830,38 @@ braces@^1.8.2:
     preserve "^0.2.0"
     repeat-element "^1.1.2"
 
+braces@^2.3.1, braces@^2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
+  integrity sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==
+  dependencies:
+    arr-flatten "^1.1.0"
+    array-unique "^0.3.2"
+    extend-shallow "^2.0.1"
+    fill-range "^4.0.0"
+    isobject "^3.0.1"
+    repeat-element "^1.1.2"
+    snapdragon "^0.8.1"
+    snapdragon-node "^2.0.1"
+    split-string "^3.0.2"
+    to-regex "^3.0.1"
+
 browser-resolve@^1.11.0:
   version "1.11.2"
   resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
   dependencies:
     resolve "1.1.7"
 
+buffer-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-1.0.0.tgz#59616b498304d556abd466966b22eeda3eca5fbe"
+  integrity sha1-WWFrSYME1Var1GaWayLu2j7KX74=
+
+buffer-from@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5"
+  integrity sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==
+
 builtin-modules@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
@@ -688,6 +870,29 @@ bytes@2.4.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.4.0.tgz#7d97196f9d5baf7f6935e25985549edd2a6c2339"
 
+cache-base@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
+  integrity sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==
+  dependencies:
+    collection-visit "^1.0.0"
+    component-emitter "^1.2.1"
+    get-value "^2.0.6"
+    has-value "^1.0.0"
+    isobject "^3.0.1"
+    set-value "^2.0.0"
+    to-object-path "^0.3.0"
+    union-value "^1.0.0"
+    unset-value "^1.0.0"
+
+call-bind@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
+  integrity sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.2"
+
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -702,6 +907,11 @@ callsites@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
 
+camelcase@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
+  integrity sha1-MvxLn82vhF/N9+c7uXysImHwqwo=
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -739,10 +949,39 @@ chokidar@^1.4.1:
   optionalDependencies:
     fsevents "^1.0.0"
 
+chokidar@^2.0.0:
+  version "2.1.8"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.8.tgz#804b3a7b6a99358c3c5c61e71d8728f041cff917"
+  integrity sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==
+  dependencies:
+    anymatch "^2.0.0"
+    async-each "^1.0.1"
+    braces "^2.3.2"
+    glob-parent "^3.1.0"
+    inherits "^2.0.3"
+    is-binary-path "^1.0.0"
+    is-glob "^4.0.0"
+    normalize-path "^3.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.2.1"
+    upath "^1.1.1"
+  optionalDependencies:
+    fsevents "^1.2.7"
+
 circular-json@^0.3.1:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
 
+class-utils@^0.3.5:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
+  integrity sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==
+  dependencies:
+    arr-union "^3.1.0"
+    define-property "^0.2.5"
+    isobject "^3.0.0"
+    static-extend "^0.1.1"
+
 cli-cursor@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
@@ -753,17 +992,38 @@ cli-width@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
 
-clone-stats@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-0.0.1.tgz#b88f94a82cf38b8791d58046ea4029ad88ca99d1"
+cliui@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+  integrity sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wrap-ansi "^2.0.0"
 
-clone@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/clone/-/clone-0.2.0.tgz#c6126a90ad4f72dbf5acdb243cc37724fe93fc1f"
+clone-buffer@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-buffer/-/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
+  integrity sha1-4+JbIHrE5wGvch4staFnksrD3Fg=
 
-clone@^1.0.0, clone@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.2.tgz#260b7a99ebb1edfe247538175f783243cb19d149"
+clone-stats@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
+  integrity sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=
+
+clone@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
+  integrity sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=
+
+cloneable-readable@^1.0.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/cloneable-readable/-/cloneable-readable-1.1.3.tgz#120a00cb053bfb63a222e709f9683ea2e11d8cec"
+  integrity sha512-2EF8zTQOxYq70Y4XKtorQupqF0m49MBz2/yf5Bj+MHjvpG3Hy7sImifnqD6UA+TKYxeSV+u6qqQPawN5UvnpKQ==
+  dependencies:
+    inherits "^2.0.1"
+    process-nextick-args "^2.0.0"
+    readable-stream "^2.3.5"
 
 co@^4.6.0:
   version "4.6.0"
@@ -773,6 +1033,23 @@ code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
+collection-map@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-map/-/collection-map-1.0.0.tgz#aea0f06f8d26c780c2b75494385544b2255af18c"
+  integrity sha1-rqDwb40mx4DCt1SUOFVEsiVa8Yw=
+  dependencies:
+    arr-map "^2.0.2"
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
+collection-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
+  integrity sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=
+  dependencies:
+    map-visit "^1.0.0"
+    object-visit "^1.0.0"
+
 color-convert@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.0.tgz#1accf97dd739b983bf994d56fec8f95853641b7a"
@@ -783,6 +1060,11 @@ color-name@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
 
+color-support@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-support/-/color-support-1.1.3.tgz#93834379a1cc9a0c61f82f52f0d04322251bd5a2"
+  integrity sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==
+
 colors@^1.1.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
@@ -823,6 +1105,11 @@ component-emitter@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
 
+component-emitter@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
+  integrity sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==
+
 component-inherit@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/component-inherit/-/component-inherit-0.0.3.tgz#645fc4adf58b72b649d5cae65135619db26ff143"
@@ -839,6 +1126,16 @@ concat-stream@^1.4.6:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+concat-stream@^1.6.0:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
+  integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
 connect@^3.6.0:
   version "3.6.3"
   resolved "https://registry.yarnpkg.com/connect/-/connect-3.6.3.tgz#f7320d46a25b4be7b483a2236517f24b1e27e301"
@@ -864,6 +1161,19 @@ cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
+copy-descriptor@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
+  integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
+
+copy-props@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/copy-props/-/copy-props-2.0.5.tgz#03cf9ae328d4ebb36f8f1d804448a6af9ee3f2d2"
+  integrity sha512-XBlx8HSqrT0ObQwmSzM7WE5k8FxTV75h1DX1Z3n6NhQ/UYYAvInWYmG06vFt7hQZArE2fuO62aihiWIVQwh1sw==
+  dependencies:
+    each-props "^1.3.2"
+    is-plain-object "^5.0.0"
+
 core-js@^2.2.0, core-js@^2.4.0, core-js@^2.5.0:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.1.tgz#ae6874dc66937789b80754ff5428df66819ca50b"
@@ -894,10 +1204,6 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
-dateformat@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-2.0.0.tgz#2743e3abb5c3fc2462e527dca445e04e9f4dee17"
-
 debug@2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
@@ -922,6 +1228,23 @@ debug@2.6.8, debug@^2.1.1, debug@^2.2.0, debug@^2.6.8:
   dependencies:
     ms "2.0.0"
 
+debug@^2.3.3:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+decamelize@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
+
+decode-uri-component@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
+  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+
 deep-extend@~0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
@@ -930,11 +1253,46 @@ deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
-defaults@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
+default-compare@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/default-compare/-/default-compare-1.0.0.tgz#cb61131844ad84d84788fb68fd01681ca7781a2f"
+  integrity sha512-QWfXlM0EkAbqOCbD/6HjdwT19j7WCkMyiRhWilc4H9/5h/RzTF9gv5LYh1+CmDV5d1rki6KAWLtQale0xt20eQ==
+  dependencies:
+    kind-of "^5.0.2"
+
+default-resolution@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/default-resolution/-/default-resolution-2.0.0.tgz#bcb82baa72ad79b426a76732f1a81ad6df26d684"
+  integrity sha1-vLgrqnKtebQmp2cy8aga1t8m1oQ=
+
+define-properties@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
+  integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
+  dependencies:
+    object-keys "^1.0.12"
+
+define-property@^0.2.5:
+  version "0.2.5"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-0.2.5.tgz#c35b1ef918ec3c990f9a5bc57be04aacec5c8116"
+  integrity sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=
+  dependencies:
+    is-descriptor "^0.1.0"
+
+define-property@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-1.0.0.tgz#769ebaaf3f4a63aad3af9e8d304c9bbe79bfb0e6"
+  integrity sha1-dp66rz9KY6rTr56NMEybvnm/sOY=
   dependencies:
-    clone "^1.0.2"
+    is-descriptor "^1.0.0"
+
+define-property@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-2.0.2.tgz#d459689e8d654ba77e02a817f8710d702cb16e9d"
+  integrity sha512-jwK2UV4cnPpbcG7+VRARKTZPUWowwXA8bzH5NP6ud0oeAxyYPuGZUAC7hMugpCdz4BeSZl2Dl9k66CHJ/46ZYQ==
+  dependencies:
+    is-descriptor "^1.0.2"
+    isobject "^3.0.1"
 
 del@^2.0.2:
   version "2.2.2"
@@ -960,15 +1318,10 @@ depd@1.1.1, depd@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
 
-deprecated@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/deprecated/-/deprecated-0.0.1.tgz#f9c9af5464afa1e7a971458a8bdef2aa94d5bb19"
-
-detect-file@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/detect-file/-/detect-file-0.1.0.tgz#4935dedfd9488648e006b0129566e9386711ea63"
-  dependencies:
-    fs-exists-sync "^0.1.0"
+detect-file@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/detect-file/-/detect-file-1.0.0.tgz#f0d66d03672a825cb1b73bdb3fe62310c8e552b7"
+  integrity sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=
 
 detect-indent@^4.0.0:
   version "4.0.0"
@@ -1000,11 +1353,23 @@ dom-serialize@^2.2.0:
     extend "^3.0.0"
     void-elements "^2.0.0"
 
-duplexer2@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.0.2.tgz#c614dcf67e2fb14995a91711e5a617e8a60a31db"
+duplexify@^3.6.0:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.7.1.tgz#2a4df5317f6ccfd91f86d6fd25d8d8a103b88309"
+  integrity sha512-07z8uv2wMyS51kKhD1KsdXJg5WQ6t93RneqRxUHnskXVtlYYkLqM0gqStQZ3pj073g687jPCHrqNfCzawLYh5g==
+  dependencies:
+    end-of-stream "^1.0.0"
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+    stream-shift "^1.0.0"
+
+each-props@^1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/each-props/-/each-props-1.3.2.tgz#ea45a414d16dd5cfa419b1a81720d5ca06892333"
+  integrity sha512-vV0Hem3zAGkJAyU7JSjixeU66rwdynTAa1vofCrSA5fEln+m67Az9CcnkVD776/fsN/UjIWmBDoNRS6t6G9RfA==
   dependencies:
-    readable-stream "~1.1.9"
+    is-plain-object "^2.0.1"
+    object.defaults "^1.1.0"
 
 ecc-jsbn@~0.1.1:
   version "0.1.1"
@@ -1020,11 +1385,12 @@ encodeurl@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.1.tgz#79e3d58655346909fe6f0f45a5de68103b294d20"
 
-end-of-stream@~0.1.5:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-0.1.5.tgz#8e177206c3c80837d85632e8b9359dfe8b2f6eaf"
+end-of-stream@^1.0.0, end-of-stream@^1.1.0:
+  version "1.4.4"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
+  integrity sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==
   dependencies:
-    once "~1.3.0"
+    once "^1.4.0"
 
 engine.io-client@1.8.3:
   version "1.8.3"
@@ -1069,6 +1435,13 @@ ent@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/ent/-/ent-2.2.0.tgz#e964219325a21d05f44466a2f686ed6ce5f5dd1d"
 
+error-ex@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  integrity sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==
+  dependencies:
+    is-arrayish "^0.2.1"
+
 es5-ext@^0.10.14, es5-ext@^0.10.9, es5-ext@~0.10.14:
   version "0.10.30"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.30.tgz#7141a16836697dbabfaaaeee41495ce29f52c939"
@@ -1257,6 +1630,19 @@ expand-brackets@^0.1.4:
   dependencies:
     is-posix-bracket "^0.1.0"
 
+expand-brackets@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-2.1.4.tgz#b77735e315ce30f6b6eff0f83b04151a22449622"
+  integrity sha1-t3c14xXOMPa27/D4OwQVGiJEliI=
+  dependencies:
+    debug "^2.3.3"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    posix-character-classes "^0.1.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
 expand-range@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-0.1.1.tgz#4cb8eda0993ca56fa4f41fc42f3cbb4ccadff044"
@@ -1270,13 +1656,7 @@ expand-range@^1.8.1:
   dependencies:
     fill-range "^2.1.0"
 
-expand-tilde@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/expand-tilde/-/expand-tilde-1.2.2.tgz#0b81eba897e5a3d31d1c3d102f8f01441e559449"
-  dependencies:
-    os-homedir "^1.0.1"
-
-expand-tilde@^2.0.2:
+expand-tilde@^2.0.0, expand-tilde@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/expand-tilde/-/expand-tilde-2.0.2.tgz#97e801aa052df02454de46b02bf621642cdc8502"
   dependencies:
@@ -1290,6 +1670,21 @@ expect.js@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/expect.js/-/expect.js-0.3.1.tgz#b0a59a0d2eff5437544ebf0ceaa6015841d09b5b"
 
+extend-shallow@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
+  integrity sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=
+  dependencies:
+    is-extendable "^0.1.0"
+
+extend-shallow@^3.0.0, extend-shallow@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-3.0.2.tgz#26a71aaf073b39fb2127172746131c2704028db8"
+  integrity sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=
+  dependencies:
+    assign-symbols "^1.0.0"
+    is-extendable "^1.0.1"
+
 extend@^3.0.0, extend@~3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
@@ -1300,17 +1695,39 @@ extglob@^0.3.1:
   dependencies:
     is-extglob "^1.0.0"
 
+extglob@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
+  integrity sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==
+  dependencies:
+    array-unique "^0.3.2"
+    define-property "^1.0.0"
+    expand-brackets "^2.1.4"
+    extend-shallow "^2.0.1"
+    fragment-cache "^0.2.1"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
 extsprintf@1.3.0, extsprintf@^1.2.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
 
-fancy-log@^1.1.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.0.tgz#45be17d02bb9917d60ccffd4995c999e6c8c9948"
+fancy-log@^1.3.2:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.3.tgz#dbc19154f558690150a23953a0adbd035be45fc7"
+  integrity sha512-k9oEhlyc0FrVh25qYuSELjr8oxsCoc4/LEZfg2iJJrfEk/tZL9bCoJE47gqAvI2m/AUjluCS4+3I0eTx8n3AEw==
   dependencies:
-    chalk "^1.1.1"
+    ansi-gray "^0.1.1"
+    color-support "^1.1.3"
+    parse-node-version "^1.0.0"
     time-stamp "^1.0.0"
 
+fast-levenshtein@^1.0.0:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-1.1.4.tgz#e6a754cc8f15e58987aa9cbd27af66fd6f4e5af9"
+  integrity sha1-5qdUzI8V5YmHqpy9J69m/W9OWvk=
+
 fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
@@ -1329,6 +1746,11 @@ file-entry-cache@^1.1.1:
     flat-cache "^1.2.1"
     object-assign "^4.0.1"
 
+file-uri-to-path@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
+  integrity sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==
+
 filename-regex@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
@@ -1343,6 +1765,16 @@ fill-range@^2.1.0:
     repeat-element "^1.1.2"
     repeat-string "^1.5.2"
 
+fill-range@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
+  integrity sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+    to-regex-range "^2.1.0"
+
 finalhandler@1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.0.4.tgz#18574f2e7c4b98b8ae3b230c21f201f31bdb3fb7"
@@ -1355,18 +1787,33 @@ finalhandler@1.0.4:
     statuses "~1.3.1"
     unpipe "~1.0.0"
 
-find-index@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  integrity sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
 
-findup-sync@^0.4.2:
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-0.4.3.tgz#40043929e7bc60adf0b7f4827c4c6e75a0deca12"
+findup-sync@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-2.0.0.tgz#9326b1488c22d1a6088650a86901b2d9a90a2cbc"
+  integrity sha1-kyaxSIwi0aYIhlCoaQGy2akKLLw=
   dependencies:
-    detect-file "^0.1.0"
-    is-glob "^2.0.1"
-    micromatch "^2.3.7"
-    resolve-dir "^0.1.0"
+    detect-file "^1.0.0"
+    is-glob "^3.1.0"
+    micromatch "^3.0.4"
+    resolve-dir "^1.0.1"
+
+findup-sync@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/findup-sync/-/findup-sync-3.0.0.tgz#17b108f9ee512dfb7a5c7f3c8b27ea9e1a9c08d1"
+  integrity sha512-YbffarhcicEhOrm4CtrwdKBdCuz576RLdhJDsIfvNtxUuhdRet1qZcsMjqbePtAseKdAnDyM/IyXbu7PRPRLYg==
+  dependencies:
+    detect-file "^1.0.0"
+    is-glob "^4.0.0"
+    micromatch "^3.0.4"
+    resolve-dir "^1.0.1"
 
 fined@^1.0.1:
   version "1.1.0"
@@ -1378,13 +1825,10 @@ fined@^1.0.1:
     object.pick "^1.2.0"
     parse-filepath "^1.0.1"
 
-first-chunk-stream@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/first-chunk-stream/-/first-chunk-stream-1.0.0.tgz#59bfb50cd905f60d7c394cd3d9acaab4e6ad934e"
-
-flagged-respawn@^0.3.2:
-  version "0.3.2"
-  resolved "https://registry.yarnpkg.com/flagged-respawn/-/flagged-respawn-0.3.2.tgz#ff191eddcd7088a675b2610fffc976be9b8074b5"
+flagged-respawn@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/flagged-respawn/-/flagged-respawn-1.0.1.tgz#e7de6f1279ddd9ca9aac8a5971d618606b3aab41"
+  integrity sha512-lNaHNVymajmk0OJMBn8fVUAU1BtDeKIqKoVhk4xAALB57aALg6b4W0MfJ/cUE0g9YBXy5XhSlPIpYIJ7HaY/3Q==
 
 flat-cache@^1.2.1:
   version "1.2.2"
@@ -1395,7 +1839,15 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
-for-in@^1.0.1:
+flush-write-stream@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.1.1.tgz#8dd7d873a1babc207d94ead0c2e0e44276ebf2e8"
+  integrity sha512-3Z4XhFZ3992uIq0XOqb9AreonueSYphE6oYbpt5+3u06JWklbsPkNv3ZKkP9Bz/r+1MWCaMoSQ28P85+1Yc77w==
+  dependencies:
+    inherits "^2.0.3"
+    readable-stream "^2.3.6"
+
+for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
 
@@ -1423,15 +1875,31 @@ form-data@~2.1.1:
     combined-stream "^1.0.5"
     mime-types "^2.1.12"
 
+fragment-cache@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
+  integrity sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=
+  dependencies:
+    map-cache "^0.2.2"
+
+frustum-intersects@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/frustum-intersects/-/frustum-intersects-0.1.0.tgz#d1d144099a40d8c5168b62acc83731434f5fa709"
+  integrity sha512-W0S6dmX5LJLtamimyuKhvbkpDTm5eVfMgk4X9yXNyWQ1zZ/cMm0PZoeX9Pm0tL302l+erQVrdfRGhV3ILfeTeQ==
+
 fs-access@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/fs-access/-/fs-access-1.0.1.tgz#d6a87f262271cefebec30c553407fb995da8777a"
   dependencies:
     null-check "^1.0.0"
 
-fs-exists-sync@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/fs-exists-sync/-/fs-exists-sync-0.1.0.tgz#982d6893af918e72d08dec9e8673ff2b5a8d6add"
+fs-mkdirp-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz#0b7815fc3201c6a69e14db98ce098c16935259eb"
+  integrity sha1-C3gV/DIBxqaeFNuYzgmMFpNSWes=
+  dependencies:
+    graceful-fs "^4.1.11"
+    through2 "^2.0.3"
 
 fs.realpath@^1.0.0:
   version "1.0.0"
@@ -1444,6 +1912,14 @@ fsevents@^1.0.0:
     nan "^2.3.0"
     node-pre-gyp "^0.6.36"
 
+fsevents@^1.2.7:
+  version "1.2.13"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.13.tgz#f325cb0455592428bcf11b383370ef70e3bfcc38"
+  integrity sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==
+  dependencies:
+    bindings "^1.5.0"
+    nan "^2.12.1"
+
 fstream-ignore@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/fstream-ignore/-/fstream-ignore-1.0.5.tgz#9c31dae34767018fe1d249b24dada67d092da105"
@@ -1461,6 +1937,11 @@ fstream@^1.0.0, fstream@^1.0.10, fstream@^1.0.2:
     mkdirp ">=0.5 0"
     rimraf "2"
 
+function-bind@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+  integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -1474,12 +1955,6 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
-gaze@^0.5.1:
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/gaze/-/gaze-0.5.2.tgz#40b709537d24d1d45767db5a908689dfe69ac44f"
-  dependencies:
-    globule "~0.1.0"
-
 generate-function@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
@@ -1490,6 +1965,25 @@ generate-object-property@^1.1.0:
   dependencies:
     is-property "^1.0.0"
 
+get-caller-file@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
+  integrity sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==
+
+get-intrinsic@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.1.tgz#15f59f376f855c446963948f0d24cd3637b4abc6"
+  integrity sha512-kWZrnVM42QCiEA2Ig1bG8zjoIMOgxWwYCEeNdwY6Tv/cOSeGpcoX4pXHfKUxNKVoArnrEr2e9srnAxxGIraS9Q==
+  dependencies:
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+
+get-value@^2.0.3, get-value@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/get-value/-/get-value-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
+  integrity sha1-3BXKHGcjh8p2vTesCjlbogQqLCg=
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
@@ -1509,28 +2003,42 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob-stream@^3.1.5:
-  version "3.1.18"
-  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-3.1.18.tgz#9170a5f12b790306fdfe598f313f8f7954fd143b"
-  dependencies:
-    glob "^4.3.1"
-    glob2base "^0.0.12"
-    minimatch "^2.0.1"
-    ordered-read-streams "^0.1.0"
-    through2 "^0.6.1"
-    unique-stream "^1.0.0"
-
-glob-watcher@^0.0.6:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-0.0.6.tgz#b95b4a8df74b39c83298b0c05c978b4d9a3b710b"
+glob-parent@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
+  integrity sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=
   dependencies:
-    gaze "^0.5.1"
+    is-glob "^3.1.0"
+    path-dirname "^1.0.0"
 
-glob2base@^0.0.12:
-  version "0.0.12"
-  resolved "https://registry.yarnpkg.com/glob2base/-/glob2base-0.0.12.tgz#9d419b3e28f12e83a362164a277055922c9c0d56"
+glob-stream@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-6.1.0.tgz#7045c99413b3eb94888d83ab46d0b404cc7bdde4"
+  integrity sha1-cEXJlBOz65SIjYOrRtC0BMx73eQ=
   dependencies:
-    find-index "^0.1.1"
+    extend "^3.0.0"
+    glob "^7.1.1"
+    glob-parent "^3.1.0"
+    is-negated-glob "^1.0.0"
+    ordered-read-streams "^1.0.0"
+    pumpify "^1.3.5"
+    readable-stream "^2.1.5"
+    remove-trailing-separator "^1.0.1"
+    to-absolute-glob "^2.0.0"
+    unique-stream "^2.0.2"
+
+glob-watcher@^5.0.3:
+  version "5.0.5"
+  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-5.0.5.tgz#aa6bce648332924d9a8489be41e3e5c52d4186dc"
+  integrity sha512-zOZgGGEHPklZNjZQaZ9f41i7F2YwE+tS5ZHrDhbBCk3stwahn5vQxnFmBJZHoYdusR6R1bLSXeGUy/BhctwKzw==
+  dependencies:
+    anymatch "^2.0.0"
+    async-done "^1.2.0"
+    chokidar "^2.0.0"
+    is-negated-glob "^1.0.0"
+    just-debounce "^1.0.0"
+    normalize-path "^3.0.0"
+    object.defaults "^1.1.0"
 
 glob@3.2.11:
   version "3.2.11"
@@ -1539,15 +2047,6 @@ glob@3.2.11:
     inherits "2"
     minimatch "0.3"
 
-glob@^4.3.1:
-  version "4.5.3"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-4.5.3.tgz#c6cb73d3226c1efef04de3c56d012f03377ee15f"
-  dependencies:
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^2.0.1"
-    once "^1.3.0"
-
 glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
@@ -1559,29 +2058,25 @@ glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@~3.1.21:
-  version "3.1.21"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-3.1.21.tgz#d29e0a055dea5138f4d07ed40e8982e83c2066cd"
-  dependencies:
-    graceful-fs "~1.2.0"
-    inherits "1"
-    minimatch "~0.2.11"
-
-global-modules@^0.2.3:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-0.2.3.tgz#ea5a3bed42c6d6ce995a4f8a1269b5dae223828d"
+global-modules@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-1.0.0.tgz#6d770f0eb523ac78164d72b5e71a8877265cc3ea"
+  integrity sha512-sKzpEkf11GpOFuw0Zzjzmt4B4UZwjOcG757PPvrfhxcLFbq0wpsgpOqxpxtxFiCG4DtG93M6XRVbF2oGdev7bg==
   dependencies:
-    global-prefix "^0.1.4"
-    is-windows "^0.2.0"
+    global-prefix "^1.0.1"
+    is-windows "^1.0.1"
+    resolve-dir "^1.0.0"
 
-global-prefix@^0.1.4:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-0.1.5.tgz#8d3bc6b8da3ca8112a160d8d496ff0462bfef78f"
+global-prefix@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/global-prefix/-/global-prefix-1.0.2.tgz#dbf743c6c14992593c655568cb66ed32c0122ebe"
+  integrity sha1-2/dDxsFJklk8ZVVoy2btMsASLr4=
   dependencies:
-    homedir-polyfill "^1.0.0"
+    expand-tilde "^2.0.2"
+    homedir-polyfill "^1.0.1"
     ini "^1.3.4"
-    is-windows "^0.2.0"
-    which "^1.2.12"
+    is-windows "^1.0.1"
+    which "^1.2.14"
 
 globals@^9.18.0, globals@^9.2.0:
   version "9.18.0"
@@ -1598,78 +2093,58 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-globule@~0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/globule/-/globule-0.1.0.tgz#d9c8edde1da79d125a151b79533b978676346ae5"
-  dependencies:
-    glob "~3.1.21"
-    lodash "~1.0.1"
-    minimatch "~0.2.11"
-
 glogg@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/glogg/-/glogg-1.0.0.tgz#7fe0f199f57ac906cf512feead8f90ee4a284fc5"
   dependencies:
     sparkles "^1.0.0"
 
-graceful-fs@^3.0.0:
-  version "3.0.11"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-3.0.11.tgz#7613c778a1afea62f25c630a086d7f3acbbdd818"
-  dependencies:
-    natives "^1.1.0"
+graceful-fs@^4.0.0, graceful-fs@^4.1.11, graceful-fs@^4.1.6:
+  version "4.2.8"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.8.tgz#e412b8d33f5e006593cbd3cee6df9f2cebbe802a"
+  integrity sha512-qkIilPUYcNhJpd33n0GBXTB1MMPp14TxEsEs0pTrsSVucApsYzW5V+Q8Qxhik6KU3evy+qkAAowTByymK0avdg==
 
 graceful-fs@^4.1.2:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
-graceful-fs@~1.2.0:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-1.2.3.tgz#15a4806a57547cb2d2dbf27f42e89a8c3451b364"
-
 growl@1.9.2:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.9.2.tgz#0ea7743715db8d8de2c5ede1775e1b45ac85c02f"
 
-gulp-util@^3.0.0:
-  version "3.0.8"
-  resolved "https://registry.yarnpkg.com/gulp-util/-/gulp-util-3.0.8.tgz#0054e1e744502e27c04c187c3ecc505dd54bbb4f"
+gulp-cli@^2.2.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/gulp-cli/-/gulp-cli-2.3.0.tgz#ec0d380e29e52aa45e47977f0d32e18fd161122f"
+  integrity sha512-zzGBl5fHo0EKSXsHzjspp3y5CONegCm8ErO5Qh0UzFzk2y4tMvzLWhoDokADbarfZRL2pGpRp7yt6gfJX4ph7A==
   dependencies:
-    array-differ "^1.0.0"
-    array-uniq "^1.0.2"
-    beeper "^1.0.0"
-    chalk "^1.0.0"
-    dateformat "^2.0.0"
-    fancy-log "^1.1.0"
+    ansi-colors "^1.0.1"
+    archy "^1.0.0"
+    array-sort "^1.0.0"
+    color-support "^1.1.3"
+    concat-stream "^1.6.0"
+    copy-props "^2.0.1"
+    fancy-log "^1.3.2"
     gulplog "^1.0.0"
-    has-gulplog "^0.1.0"
-    lodash._reescape "^3.0.0"
-    lodash._reevaluate "^3.0.0"
-    lodash._reinterpolate "^3.0.0"
-    lodash.template "^3.0.0"
-    minimist "^1.1.0"
-    multipipe "^0.1.2"
-    object-assign "^3.0.0"
-    replace-ext "0.0.1"
-    through2 "^2.0.0"
-    vinyl "^0.5.0"
+    interpret "^1.4.0"
+    isobject "^3.0.1"
+    liftoff "^3.1.0"
+    matchdep "^2.0.0"
+    mute-stdout "^1.0.0"
+    pretty-hrtime "^1.0.0"
+    replace-homedir "^1.0.0"
+    semver-greatest-satisfied-range "^1.1.0"
+    v8flags "^3.2.0"
+    yargs "^7.1.0"
 
-gulp@^3.9.0:
-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/gulp/-/gulp-3.9.1.tgz#571ce45928dd40af6514fc4011866016c13845b4"
+gulp@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/gulp/-/gulp-4.0.2.tgz#543651070fd0f6ab0a0650c6a3e6ff5a7cb09caa"
+  integrity sha512-dvEs27SCZt2ibF29xYgmnwwCYZxdxhQ/+LFWlbAW8y7jt68L/65402Lz3+CKy0Ov4rOs+NERmDq7YlZaDqUIfA==
   dependencies:
-    archy "^1.0.0"
-    chalk "^1.0.0"
-    deprecated "^0.0.1"
-    gulp-util "^3.0.0"
-    interpret "^1.0.0"
-    liftoff "^2.1.0"
-    minimist "^1.1.0"
-    orchestrator "^0.3.0"
-    pretty-hrtime "^1.0.0"
-    semver "^4.1.0"
-    tildify "^1.0.0"
-    v8flags "^2.0.2"
-    vinyl-fs "^0.3.0"
+    glob-watcher "^5.0.3"
+    gulp-cli "^2.2.0"
+    undertaker "^1.2.1"
+    vinyl-fs "^3.0.0"
 
 gulplog@^1.0.0:
   version "1.0.0"
@@ -1712,16 +2187,53 @@ has-flag@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
 
-has-gulplog@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/has-gulplog/-/has-gulplog-0.1.0.tgz#6414c82913697da51590397dafb12f22967811ce"
-  dependencies:
-    sparkles "^1.0.0"
+has-symbols@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.2.tgz#165d3070c00309752a1236a479331e3ac56f1423"
+  integrity sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==
 
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
 
+has-value@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
+  integrity sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=
+  dependencies:
+    get-value "^2.0.3"
+    has-values "^0.1.4"
+    isobject "^2.0.0"
+
+has-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-1.0.0.tgz#18b281da585b1c5c51def24c930ed29a0be6b177"
+  integrity sha1-GLKB2lhbHFxR3vJMkw7SmgvmsXc=
+  dependencies:
+    get-value "^2.0.6"
+    has-values "^1.0.0"
+    isobject "^3.0.0"
+
+has-values@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-0.1.4.tgz#6d61de95d91dfca9b9a02089ad384bff8f62b771"
+  integrity sha1-bWHeldkd/Km5oCCJrThL/49it3E=
+
+has-values@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-1.0.0.tgz#95b0b63fec2146619a6fe57fe75628d5a39efe4f"
+  integrity sha1-lbC2P+whRmGab+V/51Yo1aOe/k8=
+  dependencies:
+    is-number "^3.0.0"
+    kind-of "^4.0.0"
+
+has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
+  dependencies:
+    function-bind "^1.1.1"
+
 hawk@~3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/hawk/-/hawk-3.1.3.tgz#078444bd7c1640b0fe540d2c9b73d59678e8e1c4"
@@ -1742,12 +2254,17 @@ home-or-tmp@^2.0.0:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.1"
 
-homedir-polyfill@^1.0.0, homedir-polyfill@^1.0.1:
+homedir-polyfill@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/homedir-polyfill/-/homedir-polyfill-1.0.1.tgz#4c2bbc8a758998feebf5ed68580f76d46768b4bc"
   dependencies:
     parse-passwd "^1.0.0"
 
+hosted-git-info@^2.1.4:
+  version "2.8.9"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
+  integrity sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==
+
 http-errors@~1.6.1:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.2.tgz#0a002cc85707192a7e7946ceedc11155f60ec736"
@@ -1795,10 +2312,6 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-1.0.2.tgz#ca4309dadee6b54cc0b8d247e8d7c7a0975bdc9b"
-
 inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
@@ -1825,9 +2338,10 @@ inquirer@^0.12.0:
     strip-ansi "^3.0.0"
     through "^2.3.6"
 
-interpret@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.0.3.tgz#cbc35c62eeee73f19ab7b10a801511401afc0f90"
+interpret@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.4.0.tgz#665ab8bc4da27a774a40584e812e3e0fa45b1a1e"
+  integrity sha512-agE4QfB2Lkp9uICn7BAqoscw4SZP9kTE2hxiFI3jBPmXJfdqiahTbUuKGsMoN2GtqL9AxhYioAcVvgsb1HvRbA==
 
 invariant@^2.2.2:
   version "2.2.2"
@@ -1835,6 +2349,11 @@ invariant@^2.2.2:
   dependencies:
     loose-envify "^1.0.0"
 
+invert-kv@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
+  integrity sha1-EEqOSqym09jNFXqO+L+rLXo//bY=
+
 is-absolute@^0.2.3:
   version "0.2.6"
   resolved "https://registry.yarnpkg.com/is-absolute/-/is-absolute-0.2.6.tgz#20de69f3db942ef2d87b9c2da36f172235b1b5eb"
@@ -1842,6 +2361,33 @@ is-absolute@^0.2.3:
     is-relative "^0.2.1"
     is-windows "^0.2.0"
 
+is-absolute@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-absolute/-/is-absolute-1.0.0.tgz#395e1ae84b11f26ad1795e73c17378e48a301576"
+  integrity sha512-dOWoqflvcydARa360Gvv18DZ/gRuHKi2NU/wU5X1ZFzdYfH29nkiNZsF3mp4OJ3H4yo9Mx8A/uAGNzpzPN3yBA==
+  dependencies:
+    is-relative "^1.0.0"
+    is-windows "^1.0.1"
+
+is-accessor-descriptor@^0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
+  integrity sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-accessor-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz#169c2f6d3df1f992618072365c9b0ea1f6878656"
+  integrity sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+  integrity sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=
+
 is-binary-path@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
@@ -1852,6 +2398,45 @@ is-buffer@^1.1.5:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"
 
+is-core-module@^2.2.0:
+  version "2.7.0"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.7.0.tgz#3c0ef7d31b4acfc574f80c58409d568a836848e3"
+  integrity sha512-ByY+tjCciCr+9nLryBYcSD50EOGWt95c7tIsKTG1J2ixKKXPvF7Ej3AVd+UfDydAJom3biBGDBALaO79ktwgEQ==
+  dependencies:
+    has "^1.0.3"
+
+is-data-descriptor@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
+  integrity sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-data-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz#d84876321d0e7add03990406abbbbd36ba9268c7"
+  integrity sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-descriptor@^0.1.0:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-0.1.6.tgz#366d8240dde487ca51823b1ab9f07a10a78251ca"
+  integrity sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==
+  dependencies:
+    is-accessor-descriptor "^0.1.6"
+    is-data-descriptor "^0.1.4"
+    kind-of "^5.0.0"
+
+is-descriptor@^1.0.0, is-descriptor@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-1.0.2.tgz#3b159746a66604b04f8c81524ba365c5f14d86ec"
+  integrity sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==
+  dependencies:
+    is-accessor-descriptor "^1.0.0"
+    is-data-descriptor "^1.0.0"
+    kind-of "^6.0.2"
+
 is-dotfile@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
@@ -1862,14 +2447,27 @@ is-equal-shallow@^0.1.3:
   dependencies:
     is-primitive "^2.0.0"
 
-is-extendable@^0.1.1:
+is-extendable@^0.1.0, is-extendable@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
+  integrity sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=
+
+is-extendable@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-1.0.1.tgz#a7470f9e426733d81bd81e1155264e3a3507cab4"
+  integrity sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==
+  dependencies:
+    is-plain-object "^2.0.4"
 
 is-extglob@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
 
+is-extglob@^2.1.0, is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
 is-finite@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
@@ -1892,6 +2490,20 @@ is-glob@^2.0.0, is-glob@^2.0.1:
   dependencies:
     is-extglob "^1.0.0"
 
+is-glob@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
+  integrity sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=
+  dependencies:
+    is-extglob "^2.1.0"
+
+is-glob@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.3.tgz#64f61e42cbbb2eec2071a9dac0b28ba1e65d5084"
+  integrity sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==
+  dependencies:
+    is-extglob "^2.1.1"
+
 is-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-module/-/is-module-1.0.0.tgz#3258fb69f78c14d5b815d664336b4cffb6441591"
@@ -1905,6 +2517,11 @@ is-my-json-valid@^2.10.0:
     jsonpointer "^4.0.0"
     xtend "^4.0.0"
 
+is-negated-glob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-negated-glob/-/is-negated-glob-1.0.0.tgz#6910bca5da8c95e784b5751b976cf5a10fee36d2"
+  integrity sha1-aRC8pdqMleeEtXUbl2z1oQ/uNtI=
+
 is-number@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-0.1.1.tgz#69a7af116963d47206ec9bd9b48a14216f1e3806"
@@ -1921,6 +2538,11 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+  integrity sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==
+
 is-path-cwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
@@ -1937,12 +2559,17 @@ is-path-inside@^1.0.0:
   dependencies:
     path-is-inside "^1.0.1"
 
-is-plain-object@^2.0.3:
+is-plain-object@^2.0.1, is-plain-object@^2.0.3, is-plain-object@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
   dependencies:
     isobject "^3.0.1"
 
+is-plain-object@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-5.0.0.tgz#4427f50ab3429e9025ea7d52e9043a9ef4159344"
+  integrity sha512-VRSzKkbMm5jMDoKLbltAkFQ5Qr7VDiTFGXxYFXXowVj387GeGNOCsOH6Msy00SGZ3Fp84b1Naa1psqgcCIEP5Q==
+
 is-posix-bracket@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
@@ -1961,6 +2588,13 @@ is-relative@^0.2.1:
   dependencies:
     is-unc-path "^0.1.1"
 
+is-relative@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-relative/-/is-relative-1.0.0.tgz#a1bb6935ce8c5dba1e8b9754b9b2dcc020e2260d"
+  integrity sha512-Kw/ReK0iqwKeu0MITLFuj0jbPAmEiOsIwyIXvvbfa6QfmN9pkD1M+8pdk7Rl/dTKbH34/XBFMbgD4iMJhLQbGA==
+  dependencies:
+    is-unc-path "^1.0.0"
+
 is-resolvable@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.0.tgz#8df57c61ea2e3c501408d100fb013cf8d6e0cc62"
@@ -1977,14 +2611,32 @@ is-unc-path@^0.1.1:
   dependencies:
     unc-path-regex "^0.1.0"
 
-is-utf8@^0.2.0:
+is-unc-path@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-unc-path/-/is-unc-path-1.0.0.tgz#d731e8898ed090a12c352ad2eaed5095ad322c9d"
+  integrity sha512-mrGpVd0fs7WWLfVsStvgF6iEJnbjDFZh9/emhRDcGWTduTfNHd9CHeUwH3gYIjdbwo4On6hunkztwOaAw0yllQ==
+  dependencies:
+    unc-path-regex "^0.1.2"
+
+is-utf8@^0.2.0, is-utf8@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+  integrity sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=
+
+is-valid-glob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-valid-glob/-/is-valid-glob-1.0.0.tgz#29bf3eff701be2d4d315dbacc39bc39fe8f601aa"
+  integrity sha1-Kb8+/3Ab4tTTFdusw5vDn+j2Aao=
 
 is-windows@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-0.2.0.tgz#de1aa6d63ea29dd248737b69f1ff8b8002d2108c"
 
+is-windows@^1.0.1, is-windows@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
+  integrity sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==
+
 isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
@@ -2049,6 +2701,11 @@ json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
 
+json-stable-stringify-without-jsonify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
+  integrity sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE=
+
 json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
@@ -2084,6 +2741,11 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
+just-debounce@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/just-debounce/-/just-debounce-1.1.0.tgz#2f81a3ad4121a76bc7cb45dbf704c0d76a8e5ddf"
+  integrity sha512-qpcRocdkUmf+UTNBYx5w6dexX5J31AKK1OmPwH630a83DdVVUIngk55RSAiIGpQyoH0dlr872VHfPjnQnK1qDQ==
+
 karma-chrome-launcher@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/karma-chrome-launcher/-/karma-chrome-launcher-2.2.0.tgz#cf1b9d07136cc18fe239327d24654c3dbc368acf"
@@ -2161,7 +2823,7 @@ karma@^1.3.0, karma@^1.7.0:
     tmp "0.0.31"
     useragent "^2.1.12"
 
-kind-of@^3.0.2:
+kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
   dependencies:
@@ -2173,6 +2835,45 @@ kind-of@^4.0.0:
   dependencies:
     is-buffer "^1.1.5"
 
+kind-of@^5.0.0, kind-of@^5.0.2:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
+  integrity sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==
+
+kind-of@^6.0.0, kind-of@^6.0.2:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.3.tgz#07c05034a6c349fa06e24fa35aa76db4580ce4dd"
+  integrity sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==
+
+last-run@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/last-run/-/last-run-1.1.1.tgz#45b96942c17b1c79c772198259ba943bebf8ca5b"
+  integrity sha1-RblpQsF7HHnHchmCWbqUO+v4yls=
+  dependencies:
+    default-resolution "^2.0.0"
+    es6-weak-map "^2.0.1"
+
+lazystream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lazystream/-/lazystream-1.0.0.tgz#f6995fe0f820392f61396be89462407bb77168e4"
+  integrity sha1-9plf4PggOS9hOWvolGJAe7dxaOQ=
+  dependencies:
+    readable-stream "^2.0.5"
+
+lcid@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
+  integrity sha1-MIrMr6C8SDo4Z7S28rlQYlHRuDU=
+  dependencies:
+    invert-kv "^1.0.0"
+
+lead@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lead/-/lead-1.0.0.tgz#6f14f99a37be3a9dd784f5495690e5903466ee42"
+  integrity sha1-bxT5mje+Op3XhPVJVpDlkDRm7kI=
+  dependencies:
+    flush-write-stream "^1.0.2"
+
 levn@^0.3.0, levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
@@ -2180,114 +2881,30 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
-liftoff@^2.1.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-2.3.0.tgz#a98f2ff67183d8ba7cfaca10548bd7ff0550b385"
+liftoff@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-3.1.0.tgz#c9ba6081f908670607ee79062d700df062c52ed3"
+  integrity sha512-DlIPlJUkCV0Ips2zf2pJP0unEoT1kwYhiiPUGF3s/jtxTCjziNLoiVVh+jqWOWeFi6mmwQ5fNxvAUyPad4Dfog==
   dependencies:
     extend "^3.0.0"
-    findup-sync "^0.4.2"
+    findup-sync "^3.0.0"
     fined "^1.0.1"
-    flagged-respawn "^0.3.2"
-    lodash.isplainobject "^4.0.4"
-    lodash.isstring "^4.0.1"
-    lodash.mapvalues "^4.4.0"
+    flagged-respawn "^1.0.0"
+    is-plain-object "^2.0.4"
+    object.map "^1.0.0"
     rechoir "^0.6.2"
     resolve "^1.1.7"
 
-lodash._basecopy@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
-
-lodash._basetostring@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lodash._basetostring/-/lodash._basetostring-3.0.1.tgz#d1861d877f824a52f669832dcaf3ee15566a07d5"
-
-lodash._basevalues@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/lodash._basevalues/-/lodash._basevalues-3.0.0.tgz#5b775762802bde3d3297503e26300820fdf661b7"
-
-lodash._getnative@^3.0.0:
-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
-
-lodash._isiterateecall@^3.0.0:
-  version "3.0.9"
-  resolved "https://registry.yarnpkg.com/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz#5203ad7ba425fae842460e696db9cf3e6aac057c"
-
-lodash._reescape@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/lodash._reescape/-/lodash._reescape-3.0.0.tgz#2b1d6f5dfe07c8a355753e5f27fac7f1cde1616a"
-
-lodash._reevaluate@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/lodash._reevaluate/-/lodash._reevaluate-3.0.0.tgz#58bc74c40664953ae0b124d806996daca431e2ed"
-
-lodash._reinterpolate@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
-
-lodash._root@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lodash._root/-/lodash._root-3.0.1.tgz#fba1c4524c19ee9a5f8136b4609f017cf4ded692"
-
-lodash.escape@^3.0.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/lodash.escape/-/lodash.escape-3.2.0.tgz#995ee0dc18c1b48cc92effae71a10aab5b487698"
-  dependencies:
-    lodash._root "^3.0.0"
-
-lodash.isarguments@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
-
-lodash.isarray@^3.0.0:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
-
-lodash.isplainobject@^4.0.4:
-  version "4.0.6"
-  resolved "https://registry.yarnpkg.com/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz#7c526a52d89b45c45cc690b88163be0497f550cb"
-
-lodash.isstring@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/lodash.isstring/-/lodash.isstring-4.0.1.tgz#d527dfb5456eca7cc9bb95d5daeaf88ba54a5451"
-
-lodash.keys@^3.0.0:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
-  dependencies:
-    lodash._getnative "^3.0.0"
-    lodash.isarguments "^3.0.0"
-    lodash.isarray "^3.0.0"
-
-lodash.mapvalues@^4.4.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/lodash.mapvalues/-/lodash.mapvalues-4.6.0.tgz#1bafa5005de9dd6f4f26668c30ca37230cc9689c"
-
-lodash.restparam@^3.0.0:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
-
-lodash.template@^3.0.0:
-  version "3.6.2"
-  resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-3.6.2.tgz#f8cdecc6169a255be9098ae8b0c53d378931d14f"
-  dependencies:
-    lodash._basecopy "^3.0.0"
-    lodash._basetostring "^3.0.0"
-    lodash._basevalues "^3.0.0"
-    lodash._isiterateecall "^3.0.0"
-    lodash._reinterpolate "^3.0.0"
-    lodash.escape "^3.0.0"
-    lodash.keys "^3.0.0"
-    lodash.restparam "^3.0.0"
-    lodash.templatesettings "^3.0.0"
-
-lodash.templatesettings@^3.0.0:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/lodash.templatesettings/-/lodash.templatesettings-3.1.1.tgz#fb307844753b66b9f1afa54e262c745307dba8e5"
+load-json-file@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  integrity sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=
   dependencies:
-    lodash._reinterpolate "^3.0.0"
-    lodash.escape "^3.0.0"
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
 
 lodash@^3.8.0:
   version "3.10.1"
@@ -2297,10 +2914,6 @@ lodash@^4.0.0, lodash@^4.17.4, lodash@^4.3.0, lodash@^4.5.0, lodash@^4.6.1:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
-lodash@~1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"
-
 log-symbols@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.0.0.tgz#595e63be4d5c8cbf294a9e09e0d5629f5913fc0c"
@@ -2334,43 +2947,66 @@ magic-string@^0.22.4:
   dependencies:
     vlq "^0.2.1"
 
-map-cache@^0.2.0:
+make-iterator@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/make-iterator/-/make-iterator-1.0.1.tgz#29b33f312aa8f547c4a5e490f56afcec99133ad6"
+  integrity sha512-pxiuXh0iVEq7VM7KMIhs5gxsfxCux2URptUQaXo4iZZJxBAzTPOLE2BumO5dbfVYq/hBJFBR/a1mFDmOx5AGmw==
+  dependencies:
+    kind-of "^6.0.2"
+
+map-cache@^0.2.0, map-cache@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
 
-maptalks-build-helpers@^0.4.2:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/maptalks-build-helpers/-/maptalks-build-helpers-0.4.2.tgz#ea1d9aca2d1d8c92f14fb87db2355a6cfb261b52"
+map-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/map-visit/-/map-visit-1.0.0.tgz#ecdca8f13144e660f1b5bd41f12f3479d98dfb8f"
+  integrity sha1-7Nyo8TFE5mDxtb1B8S80edmN+48=
+  dependencies:
+    object-visit "^1.0.0"
+
+maptalks-build-helpers@^0.4.4:
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/maptalks-build-helpers/-/maptalks-build-helpers-0.4.5.tgz#e6f22638ad6d9d81b3043f1d5ba0c7dbeef0ef6d"
+  integrity sha512-3rAWgqh248VJWkGbJS+P8EuljyhpU7bwu3GPTPHoctDcrKZAEYDOQZhj/7SWWpJs6xY6hX1MFArGNHm4bZvMLg==
   dependencies:
     babel-core "^6.26.0"
     babel-plugin-transform-proto-to-assign "^6.26.0"
     karma "^1.7.0"
-    maptalks-rollup-plugin-babel "^3.0.2"
     minimist "^1.2.0"
     rollup "^0.48.2"
+    rollup-plugin-babel "3.0.6"
     rollup-plugin-commonjs "^8.2.0"
     rollup-plugin-local-resolve "^1.0.7"
     rollup-plugin-node-resolve "^3.0.0"
     uglify-js "^3.0.28"
 
-maptalks-rollup-plugin-babel@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/maptalks-rollup-plugin-babel/-/maptalks-rollup-plugin-babel-3.0.2.tgz#2cc9065857cd2daa9659ded63197576a95f64b3f"
-  dependencies:
-    rollup-pluginutils "^1.5.0"
-
-maptalks@^0.26.3:
-  version "0.26.3"
-  resolved "https://registry.yarnpkg.com/maptalks/-/maptalks-0.26.3.tgz#d9b81e45db66aef8cb31328ca50f3298725d8b4b"
+maptalks@>=0.26.3:
+  version "0.49.5"
+  resolved "https://registry.yarnpkg.com/maptalks/-/maptalks-0.49.5.tgz#5701a701ca3ee2311c8fbadb4babe254af32436c"
+  integrity sha512-mggtZfsEBtg3PAEWX/6ArxdInRXvOYBD98V9mwRkp3t/Bva1xsNTbGpvcTcxcF2+KwL5QE8i6XvWBPv57m/c1Q==
   dependencies:
+    "@maptalks/feature-filter" "^1.0.0"
+    "@maptalks/function-type" "^1.2.3"
+    frustum-intersects "^0.1.0"
     simplify-js "^1.2.1"
     zousan "^2.3.3"
 
+matchdep@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/matchdep/-/matchdep-2.0.0.tgz#c6f34834a0d8dbc3b37c27ee8bbcb27c7775582e"
+  integrity sha1-xvNINKDY28OzfCfui7yyfHd1WC4=
+  dependencies:
+    findup-sync "^2.0.0"
+    micromatch "^3.0.4"
+    resolve "^1.4.0"
+    stack-trace "0.0.10"
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
 
-micromatch@^2.1.5, micromatch@^2.3.11, micromatch@^2.3.7:
+micromatch@^2.1.5, micromatch@^2.3.11:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
   dependencies:
@@ -2388,6 +3024,25 @@ micromatch@^2.1.5, micromatch@^2.3.11, micromatch@^2.3.7:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
+micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4:
+  version "3.1.10"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
+  integrity sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
+    fragment-cache "^0.2.1"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.2"
+
 mime-db@~1.29.0:
   version "1.29.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.29.0.tgz#48d26d235589651704ac5916ca06001914266878"
@@ -2409,30 +3064,17 @@ minimatch@0.3:
     lru-cache "2"
     sigmund "~1.0.0"
 
-minimatch@^2.0.1:
-  version "2.0.10"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-2.0.10.tgz#8d087c39c6b38c001b97fca7ce6d0e1e80afbac7"
-  dependencies:
-    brace-expansion "^1.0.0"
-
 minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
     brace-expansion "^1.1.7"
 
-minimatch@~0.2.11:
-  version "0.2.14"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.2.14.tgz#c74e780574f63c6f9a090e90efbe6ef53a6a756a"
-  dependencies:
-    lru-cache "2"
-    sigmund "~1.0.0"
-
 minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@1.2.0, minimist@^1.1.0, minimist@^1.2.0:
+minimist@1.2.0, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
@@ -2440,6 +3082,14 @@ minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
+mixin-deep@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.2.tgz#1120b43dc359a785dce65b55b82e257ccf479566"
+  integrity sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==
+  dependencies:
+    for-in "^1.0.2"
+    is-extendable "^1.0.1"
+
 mkdirp@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.3.0.tgz#1bbf5ab1ba827af23575143490426455f481fe1e"
@@ -2477,23 +3127,45 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
-multipipe@^0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/multipipe/-/multipipe-0.1.2.tgz#2a8f2ddf70eed564dff2d57f1e1a137d9f05078b"
-  dependencies:
-    duplexer2 "0.0.2"
+mute-stdout@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/mute-stdout/-/mute-stdout-1.0.1.tgz#acb0300eb4de23a7ddeec014e3e96044b3472331"
+  integrity sha512-kDcwXR4PS7caBpuRYYBUz9iVixUk3anO3f5OYFiIPwK/20vCzKCHyKoulbiDY1S53zD2bxUpxN/IJ+TnXjfvxg==
 
 mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
 
+nan@^2.12.1:
+  version "2.15.0"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.15.0.tgz#3f34a473ff18e15c1b5626b62903b5ad6e665fee"
+  integrity sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ==
+
 nan@^2.3.0:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.7.0.tgz#d95bf721ec877e08db276ed3fc6eb78f9083ad46"
 
-natives@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.0.tgz#e9ff841418a6b2ec7a495e939984f78f163e6e31"
+nanomatch@^1.2.9:
+  version "1.2.13"
+  resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
+  integrity sha512-fpoe2T0RbHwBTBUOftAfBPaDEi06ufaUai0mE6Yn1kacc3SnTErfb/h+X94VXzI64rKFHYImXSvdwGGCmwOqCA==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    fragment-cache "^0.2.1"
+    is-windows "^1.0.2"
+    kind-of "^6.0.2"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+natives@^1.1.6:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.6.tgz#a603b4a498ab77173612b9ea1acdec4d980f00bb"
+  integrity sha512-6+TDFewD4yxY14ptjKaS63GVdtKiES1pTPyxn9Jb0rBqPMZ7VcCiooEhPNsr+mqHtMGxa/5c/HhcC4uPEUw/nA==
 
 negotiator@0.6.1:
   version "0.6.1"
@@ -2520,12 +3192,35 @@ nopt@^4.0.1:
     abbrev "1"
     osenv "^0.1.4"
 
-normalize-path@^2.0.0, normalize-path@^2.0.1:
+normalize-package-data@^2.3.2:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
+  integrity sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==
+  dependencies:
+    hosted-git-info "^2.1.4"
+    resolve "^1.10.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
+normalize-path@^2.0.0, normalize-path@^2.0.1, normalize-path@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
+  integrity sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=
   dependencies:
     remove-trailing-separator "^1.0.1"
 
+normalize-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
+  integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
+
+now-and-later@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/now-and-later/-/now-and-later-2.0.1.tgz#8e579c8685764a7cc02cb680380e94f43ccb1f7c"
+  integrity sha512-KGvQ0cB70AQfg107Xvs/Fbu+dGmZoTRJp2TaPwcwQm3/7PteUyN2BCgk8KBMPGBUXZdVwyWS8fDCGFygBm19UQ==
+  dependencies:
+    once "^1.3.2"
+
 npmlog@^4.0.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
@@ -2551,10 +3246,6 @@ object-assign@4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
 
-object-assign@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-3.0.0.tgz#9bedd5ca0897949bca47e7ff408062d549f587f2"
-
 object-assign@^4.0.1, object-assign@^4.1.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
@@ -2563,7 +3254,38 @@ object-component@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/object-component/-/object-component-0.0.3.tgz#f0c69aa50efc95b866c186f400a33769cb2f1291"
 
-object.defaults@^1.1.0:
+object-copy@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/object-copy/-/object-copy-0.1.0.tgz#7e7d858b781bd7c991a41ba975ed3812754e998c"
+  integrity sha1-fn2Fi3gb18mRpBupde04EnVOmYw=
+  dependencies:
+    copy-descriptor "^0.1.0"
+    define-property "^0.2.5"
+    kind-of "^3.0.3"
+
+object-keys@^1.0.12, object-keys@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
+  integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
+
+object-visit@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
+  integrity sha1-95xEk68MU3e1n+OdOV5BBC3QRbs=
+  dependencies:
+    isobject "^3.0.0"
+
+object.assign@^4.0.4, object.assign@^4.1.0:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.2.tgz#0ed54a342eceb37b38ff76eb831a0e788cb63940"
+  integrity sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+    has-symbols "^1.0.1"
+    object-keys "^1.1.1"
+
+object.defaults@^1.0.0, object.defaults@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/object.defaults/-/object.defaults-1.1.0.tgz#3a7f868334b407dea06da16d88d5cd29e435fecf"
   dependencies:
@@ -2572,6 +3294,14 @@ object.defaults@^1.1.0:
     for-own "^1.0.0"
     isobject "^3.0.0"
 
+object.map@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object.map/-/object.map-1.0.1.tgz#cf83e59dc8fcc0ad5f4250e1f78b3b81bd801d37"
+  integrity sha1-z4Plncj8wK1fQlDh94s7gb2AHTc=
+  dependencies:
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
 object.omit@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
@@ -2579,30 +3309,32 @@ object.omit@^2.0.0:
     for-own "^0.1.4"
     is-extendable "^0.1.1"
 
-object.pick@^1.2.0:
+object.pick@^1.2.0, object.pick@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/object.pick/-/object.pick-1.3.0.tgz#87a10ac4c1694bd2e1cbf53591a66141fb5dd747"
   dependencies:
     isobject "^3.0.1"
 
+object.reduce@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object.reduce/-/object.reduce-1.0.1.tgz#6fe348f2ac7fa0f95ca621226599096825bb03ad"
+  integrity sha1-b+NI8qx/oPlcpiEiZZkJaCW7A60=
+  dependencies:
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
   dependencies:
     ee-first "1.1.1"
 
-once@^1.3.0, once@^1.3.3:
+once@^1.3.0, once@^1.3.1, once@^1.3.2, once@^1.3.3, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
     wrappy "1"
 
-once@~1.3.0:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/once/-/once-1.3.3.tgz#b2e261557ce4c314ec8304f3fa82663e4297ca20"
-  dependencies:
-    wrappy "1"
-
 onetime@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
@@ -2629,22 +3361,24 @@ options@>=0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/options/-/options-0.0.6.tgz#ec22d312806bb53e731773e7cdaefcf1c643128f"
 
-orchestrator@^0.3.0:
-  version "0.3.8"
-  resolved "https://registry.yarnpkg.com/orchestrator/-/orchestrator-0.3.8.tgz#14e7e9e2764f7315fbac184e506c7aa6df94ad7e"
+ordered-read-streams@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz#77c0cb37c41525d64166d990ffad7ec6a0e1363e"
+  integrity sha1-d8DLN8QVJdZBZtmQ/61+xqDhNj4=
   dependencies:
-    end-of-stream "~0.1.5"
-    sequencify "~0.0.7"
-    stream-consume "~0.1.0"
-
-ordered-read-streams@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-0.1.0.tgz#fd565a9af8eb4473ba69b6ed8a34352cb552f126"
+    readable-stream "^2.0.1"
 
-os-homedir@^1.0.0, os-homedir@^1.0.1:
+os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
+os-locale@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  integrity sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=
+  dependencies:
+    lcid "^1.0.0"
+
 os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
@@ -2673,6 +3407,18 @@ parse-glob@^3.0.4:
     is-extglob "^1.0.0"
     is-glob "^2.0.0"
 
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  integrity sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=
+  dependencies:
+    error-ex "^1.2.0"
+
+parse-node-version@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parse-node-version/-/parse-node-version-1.0.1.tgz#e2b5dbede00e7fa9bc363607f53327e8b073189b"
+  integrity sha512-3YHlOa/JgH6Mnpr05jP9eDG254US9ek25LyIxZlDItp2iJtwyaXQb57lBYLdT3MowkUFYEV2XXNAYIPlESvJlA==
+
 parse-passwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/parse-passwd/-/parse-passwd-1.0.0.tgz#6d5b934a456993b23d37f40a382d6f1666a8e5c6"
@@ -2699,6 +3445,23 @@ parseurl@~1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.1.tgz#c8ab8c9223ba34888aa64a297b28853bec18da56"
 
+pascalcase@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
+  integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
+
+path-dirname@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
+  integrity sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA=
+
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  integrity sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=
+  dependencies:
+    pinkie-promise "^2.0.0"
+
 path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
@@ -2711,6 +3474,11 @@ path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
 
+path-parse@^1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.7.tgz#fbc114b60ca42b30d9daf5858e4bd68bbedb6735"
+  integrity sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==
+
 path-root-regex@^0.1.0:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/path-root-regex/-/path-root-regex-0.1.2.tgz#bfccdc8df5b12dc52c8b43ec38d18d72c04ba96d"
@@ -2721,6 +3489,15 @@ path-root@^0.1.1:
   dependencies:
     path-root-regex "^0.1.0"
 
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  integrity sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 performance-now@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-0.2.0.tgz#33ef30c5c77d4ea21c5a53869d91b56d8f2555e5"
@@ -2743,6 +3520,11 @@ pluralize@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
 
+posix-character-classes@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
+  integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -2759,6 +3541,11 @@ private@^0.1.6, private@^0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.7.tgz#68ce5e8a1ef0a23bb570cc28537b5332aba63ef1"
 
+process-nextick-args@^2.0.0, process-nextick-args@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+  integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
+
 process-nextick-args@~1.0.6:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
@@ -2767,6 +3554,23 @@ progress@^1.1.8:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
 
+pump@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
+  integrity sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+pumpify@^1.3.5:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.5.1.tgz#36513be246ab27570b1a374a5ce278bfd74370ce"
+  integrity sha512-oClZI37HvuUJJxSKKrC17bZ9Cu0ZYhEAGPsPUy9KlMUmv9dKX2o77RUmq7f3XjIxbwyGwYzbzQ1L2Ks8sIradQ==
+  dependencies:
+    duplexify "^3.6.0"
+    inherits "^2.0.3"
+    pump "^2.0.0"
+
 punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
@@ -2811,14 +3615,35 @@ rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-"readable-stream@>=1.0.33-1 <1.1.0-0", readable-stream@~1.0.2:
-  version "1.0.34"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  integrity sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  integrity sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
+readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.5, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@^2.3.6, readable-stream@~2.3.6:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+  integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
   dependencies:
     core-util-is "~1.0.0"
-    inherits "~2.0.1"
-    isarray "0.0.1"
-    string_decoder "~0.10.x"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
 
 readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2:
   version "2.3.3"
@@ -2832,9 +3657,9 @@ readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.1.4, readable
     string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
-readable-stream@~1.1.9:
-  version "1.1.14"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+readable-stream@~1.0.2:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
@@ -2850,6 +3675,15 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
+readdirp@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
+  integrity sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+    micromatch "^3.1.10"
+    readable-stream "^2.0.2"
+
 readline2@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/readline2/-/readline2-1.0.1.tgz#41059608ffc154757b715d9989d199ffbf372e35"
@@ -2887,6 +3721,14 @@ regex-cache@^0.4.2:
     is-equal-shallow "^0.1.3"
     is-primitive "^2.0.0"
 
+regex-not@^1.0.0, regex-not@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
+  integrity sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==
+  dependencies:
+    extend-shallow "^3.0.2"
+    safe-regex "^1.1.0"
+
 regexpu-core@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"
@@ -2905,7 +3747,24 @@ regjsparser@^0.1.4:
   dependencies:
     jsesc "~0.5.0"
 
-remove-trailing-separator@^1.0.1:
+remove-bom-buffer@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz#c2bf1e377520d324f623892e33c10cac2c252b53"
+  integrity sha512-8v2rWhaakv18qcvNeli2mZ/TMTL2nEyAKRvzo1WtnZBl15SHyEhrCu2/xKlJyUFKHiHgfXIyuY6g2dObJJycXQ==
+  dependencies:
+    is-buffer "^1.1.5"
+    is-utf8 "^0.2.1"
+
+remove-bom-stream@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/remove-bom-stream/-/remove-bom-stream-1.2.0.tgz#05f1a593f16e42e1fb90ebf59de8e569525f9523"
+  integrity sha1-BfGlk/FuQuH7kOv1nejlaVJflSM=
+  dependencies:
+    remove-bom-buffer "^3.0.0"
+    safe-buffer "^5.1.0"
+    through2 "^2.0.3"
+
+remove-trailing-separator@^1.0.1, remove-trailing-separator@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
 
@@ -2917,9 +3776,10 @@ repeat-string@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-0.2.2.tgz#c7a8d3236068362059a7e4651fc6884e8b1fb4ae"
 
-repeat-string@^1.5.2:
+repeat-string@^1.5.2, repeat-string@^1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+  integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
 
 repeating@^2.0.0:
   version "2.0.1"
@@ -2927,9 +3787,19 @@ repeating@^2.0.0:
   dependencies:
     is-finite "^1.0.0"
 
-replace-ext@0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-0.0.1.tgz#29bbd92078a739f0bcce2b4ee41e837953522924"
+replace-ext@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.1.tgz#2d6d996d04a15855d967443631dd5f77825b016a"
+  integrity sha512-yD5BHCe7quCgBph4rMQ+0KkIRKwWCrHDOX1p1Gp6HwjPM5kVoCdKGNhN7ydqqsX6lJEnQDKZ/tFMiEdQ1dvPEw==
+
+replace-homedir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/replace-homedir/-/replace-homedir-1.0.0.tgz#e87f6d513b928dde808260c12be7fec6ff6e798c"
+  integrity sha1-6H9tUTuSjd6AgmDBK+f+xv9ueYw=
+  dependencies:
+    homedir-polyfill "^1.0.1"
+    is-absolute "^1.0.0"
+    remove-trailing-separator "^1.1.0"
 
 request@^2.81.0:
   version "2.81.0"
@@ -2958,6 +3828,16 @@ request@^2.81.0:
     tunnel-agent "^0.6.0"
     uuid "^3.0.0"
 
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
+require-main-filename@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
+  integrity sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=
+
 require-uncached@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
@@ -2969,17 +3849,30 @@ requires-port@1.x.x:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
 
-resolve-dir@^0.1.0:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-0.1.1.tgz#b219259a5602fac5c5c496ad894a6e8cc430261e"
+resolve-dir@^1.0.0, resolve-dir@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-dir/-/resolve-dir-1.0.1.tgz#79a40644c362be82f26effe739c9bb5382046f43"
+  integrity sha1-eaQGRMNivoLybv/nOcm7U4IEb0M=
   dependencies:
-    expand-tilde "^1.2.2"
-    global-modules "^0.2.3"
+    expand-tilde "^2.0.0"
+    global-modules "^1.0.0"
 
 resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
+resolve-options@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/resolve-options/-/resolve-options-1.1.0.tgz#32bb9e39c06d67338dc9378c0d6d6074566ad131"
+  integrity sha1-MrueOcBtZzONyTeMDW1gdFZq0TE=
+  dependencies:
+    value-or-function "^3.0.0"
+
+resolve-url@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
+  integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
+
 resolve@1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
@@ -2990,6 +3883,14 @@ resolve@^1.1.6, resolve@^1.1.7, resolve@^1.4.0:
   dependencies:
     path-parse "^1.0.5"
 
+resolve@^1.10.0:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
+  integrity sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==
+  dependencies:
+    is-core-module "^2.2.0"
+    path-parse "^1.0.6"
+
 restore-cursor@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
@@ -2997,12 +3898,31 @@ restore-cursor@^1.0.1:
     exit-hook "^1.0.0"
     onetime "^1.0.0"
 
+ret@~0.1.10:
+  version "0.1.15"
+  resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
+  integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
+
 rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.0, rimraf@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
   dependencies:
     glob "^7.0.5"
 
+rollup-plugin-babel@3.0.6:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-3.0.6.tgz#0b431790be0e36e6367504cd4aadbc5ddec008f0"
+  integrity sha512-rzba8ec3Ph0OeIFIZOhr/NL2dVU1NaYSi0567wv0wH0l/lILo+EraUFzUf1pL0GEtHh0M4MQYEGqOG1U13REug==
+  dependencies:
+    rollup-pluginutils "^1.5.0"
+
+rollup-plugin-babel@^3.0.6:
+  version "3.0.7"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-3.0.7.tgz#5b13611f1ab8922497e9d15197ae5d8a23fe3b1e"
+  integrity sha512-bVe2y0z/V5Ax1qU8NX/0idmzIwJPdUGu8Xx3vXH73h0yGjxfv2gkFI82MBVg49SlsFlLTBadBHb67zy4TWM3hA==
+  dependencies:
+    rollup-pluginutils "^1.5.0"
+
 rollup-plugin-commonjs@^8.2.0:
   version "8.2.0"
   resolved "https://registry.yarnpkg.com/rollup-plugin-commonjs/-/rollup-plugin-commonjs-8.2.0.tgz#d7b16ebb9a36b754df888fc552dfa775c1174f9d"
@@ -3058,26 +3978,57 @@ safe-buffer@^5.0.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
-semver@^4.1.0, semver@~4.3.3:
-  version "4.3.6"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
+safe-buffer@^5.1.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
+safe-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  integrity sha1-QKNmnzsHfR6UPURinhV91IAjvy4=
+  dependencies:
+    ret "~0.1.10"
+
+semver-greatest-satisfied-range@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/semver-greatest-satisfied-range/-/semver-greatest-satisfied-range-1.1.0.tgz#13e8c2658ab9691cb0cd71093240280d36f77a5b"
+  integrity sha1-E+jCZYq5aRywzXEJMkAoDTb3els=
+  dependencies:
+    sver-compat "^1.5.0"
+
+"semver@2 || 3 || 4 || 5":
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
 semver@^5.3.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
-sequencify@~0.0.7:
-  version "0.0.7"
-  resolved "https://registry.yarnpkg.com/sequencify/-/sequencify-0.0.7.tgz#90cff19d02e07027fd767f5ead3e7b95d1e7380c"
+semver@~4.3.3:
+  version "4.3.6"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
 
-set-blocking@~2.0.0:
+set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+  integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
 
 set-immediate-shim@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz#4b2b1b27eb808a9f8dcc481a58e5e56f599f3f61"
 
+set-value@^2.0.0, set-value@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/set-value/-/set-value-2.0.1.tgz#a18d40530e6f07de4228c7defe4227af8cad005b"
+  integrity sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-extendable "^0.1.1"
+    is-plain-object "^2.0.3"
+    split-string "^3.0.1"
+
 setprototypeof@1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.3.tgz#66567e37043eeb4f04d91bd658c0cbefb55b8e04"
@@ -3106,6 +4057,36 @@ slice-ansi@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"
 
+snapdragon-node@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
+  integrity sha512-O27l4xaMYt/RSQ5TR3vpWCAB5Kb/czIcqUFOM/C4fYcLnbZUc1PkjTAMjof2pBWaSTwOUd6qUHcFGVGj7aIwnw==
+  dependencies:
+    define-property "^1.0.0"
+    isobject "^3.0.0"
+    snapdragon-util "^3.0.1"
+
+snapdragon-util@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-util/-/snapdragon-util-3.0.1.tgz#f956479486f2acd79700693f6f7b805e45ab56e2"
+  integrity sha512-mbKkMdQKsjX4BAL4bRYTj21edOf8cN7XHdYUJEe+Zn99hVEYcMvKPct1IqNe7+AZPirn8BCDOQBHQZknqmKlZQ==
+  dependencies:
+    kind-of "^3.2.0"
+
+snapdragon@^0.8.1:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/snapdragon/-/snapdragon-0.8.2.tgz#64922e7c565b0e14204ba1aa7d6964278d25182d"
+  integrity sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==
+  dependencies:
+    base "^0.11.1"
+    debug "^2.2.0"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    map-cache "^0.2.2"
+    source-map "^0.5.6"
+    source-map-resolve "^0.5.0"
+    use "^3.1.0"
+
 sntp@1.x.x:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/sntp/-/sntp-1.0.9.tgz#6541184cc90aeea6c6e7b35e2659082443c66198"
@@ -3156,12 +4137,28 @@ socket.io@1.7.3:
     socket.io-client "1.7.3"
     socket.io-parser "2.3.1"
 
+source-map-resolve@^0.5.0:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.3.tgz#190866bece7553e1f8f267a2ee82c606b5509a1a"
+  integrity sha512-Htz+RnsXWk5+P2slx5Jh3Q66vhQj1Cllm0zvnaY98+NFx+Dv2CF/f5O/t8x+KaNdrdIAsruNzoh/KpialbqAnw==
+  dependencies:
+    atob "^2.1.2"
+    decode-uri-component "^0.2.0"
+    resolve-url "^0.2.1"
+    source-map-url "^0.4.0"
+    urix "^0.1.0"
+
 source-map-support@^0.4.15:
   version "0.4.16"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.16.tgz#16fecf98212467d017d586a2af68d628b9421cd8"
   dependencies:
     source-map "^0.5.6"
 
+source-map-url@^0.4.0:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.1.tgz#0af66605a745a5a2f91cf1bbf8a7afbc283dec56"
+  integrity sha512-cPiFOTLUKvJFIg4SKVScy4ilPPW6rFgMgfuZJPNoDuMs3nC1HbMUycBoJw77xFIp6z1UJQJOfx6C9GMH80DiTw==
+
 source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
@@ -3170,6 +4167,39 @@ sparkles@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.0.tgz#1acbbfb592436d10bbe8f785b7cc6f82815012c3"
 
+spdx-correct@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.1.tgz#dece81ac9c1e6713e5f7d1b6f17d468fa53d89a9"
+  integrity sha512-cOYcUWwhCuHCXi49RhFRCyJEK3iPj1Ziz9DpViV3tbZOwXD49QzIN3MpOLJNxh2qwq2lJJZaKMVw9qNi4jTC0w==
+  dependencies:
+    spdx-expression-parse "^3.0.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-exceptions@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/spdx-exceptions/-/spdx-exceptions-2.3.0.tgz#3f28ce1a77a00372683eade4a433183527a2163d"
+  integrity sha512-/tTrYOC7PPI1nUAgx34hUpqXuyJG+DTHJTnIULG4rDygi4xu/tfgmq1e1cIRwRzwZgo4NLySi+ricLkZkw4i5A==
+
+spdx-expression-parse@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-3.0.1.tgz#cf70f50482eefdc98e3ce0a6833e4a53ceeba679"
+  integrity sha512-cbqHunsQWnJNE6KhVSMsMeH5H/L9EpymbzqTQ3uLwNCLZ1Q481oWaofqH7nO6V07xlXwY6PhQdQ2IedWx/ZK4Q==
+  dependencies:
+    spdx-exceptions "^2.1.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-license-ids@^3.0.0:
+  version "3.0.10"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.10.tgz#0d9becccde7003d6c658d487dd48a32f0bf3014b"
+  integrity sha512-oie3/+gKf7QtpitB0LYLETe+k8SifzsX4KixvpOsbI6S0kRiRQ5MKOio8eMSAKQ17N06+wdEOXRiId+zOxo0hA==
+
+split-string@^3.0.1, split-string@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
+  integrity sha512-NzNVhJDYpwceVVii8/Hu6DKfD2G+NrQHlS/V/qgv763EYudVwEcMQNxd2lh+0VrUByXN/oJkl5grOhYWvQUYiw==
+  dependencies:
+    extend-shallow "^3.0.0"
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -3188,13 +4218,32 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+stack-trace@0.0.10:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
+  integrity sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=
+
+static-extend@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
+  integrity sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=
+  dependencies:
+    define-property "^0.2.5"
+    object-copy "^0.1.0"
+
 "statuses@>= 1.3.1 < 2", statuses@~1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
 
-stream-consume@~0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.0.tgz#a41ead1a6d6081ceb79f65b061901b6d8f3d1d0f"
+stream-exhaust@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/stream-exhaust/-/stream-exhaust-1.0.2.tgz#acdac8da59ef2bc1e17a2c0ccf6c320d120e555d"
+  integrity sha512-b/qaq/GlBK5xaq1yrK9/zFcyRSTNxmcZwFLGSTG0mXgZl/4Z6GgiyYOXOvY7N3eEvFRAG1bkDRz5EPGSvPYQlw==
+
+stream-shift@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.1.tgz#d7088281559ab2778424279b0877da3c392d5a3d"
+  integrity sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ==
 
 string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
@@ -3221,6 +4270,13 @@ string_decoder@~1.0.3:
   dependencies:
     safe-buffer "~5.1.0"
 
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
 stringstream@~0.0.4:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
@@ -3237,11 +4293,11 @@ strip-ansi@^4.0.0:
   dependencies:
     ansi-regex "^3.0.0"
 
-strip-bom@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-1.0.0.tgz#85b8862f3844b5a6d5ec8467a93598173a36f794"
+strip-bom@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  integrity sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=
   dependencies:
-    first-chunk-stream "^1.0.0"
     is-utf8 "^0.2.0"
 
 strip-json-comments@~1.0.1:
@@ -3266,6 +4322,14 @@ supports-color@^4.0.0:
   dependencies:
     has-flag "^2.0.0"
 
+sver-compat@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/sver-compat/-/sver-compat-1.5.0.tgz#3cf87dfeb4d07b4a3f14827bc186b3fd0c645cd8"
+  integrity sha1-PPh9/rTQe0o/FIJ7wYaz/QxkXNg=
+  dependencies:
+    es6-iterator "^2.0.1"
+    es6-symbol "^3.1.1"
+
 table@^3.7.8:
   version "3.8.3"
   resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"
@@ -3302,12 +4366,13 @@ text-table@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
 
-through2@^0.6.1:
-  version "0.6.5"
-  resolved "https://registry.yarnpkg.com/through2/-/through2-0.6.5.tgz#41ab9c67b29d57209071410e1d7a7a968cd3ad48"
+through2-filter@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/through2-filter/-/through2-filter-3.0.0.tgz#700e786df2367c2c88cd8aa5be4cf9c1e7831254"
+  integrity sha512-jaRjI2WxN3W1V8/FMZ9HKIBXixtiqs3SQSX4/YGIiP3gL6djW48VoZq9tDqeCWs3MT8YY5wb/zli8VW8snY1CA==
   dependencies:
-    readable-stream ">=1.0.33-1 <1.1.0-0"
-    xtend ">=4.0.0 <4.1.0-0"
+    through2 "~2.0.0"
+    xtend "~4.0.0"
 
 through2@^2.0.0:
   version "2.0.3"
@@ -3316,16 +4381,18 @@ through2@^2.0.0:
     readable-stream "^2.1.5"
     xtend "~4.0.1"
 
+through2@^2.0.3, through2@~2.0.0:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
+  integrity sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==
+  dependencies:
+    readable-stream "~2.3.6"
+    xtend "~4.0.1"
+
 through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
-tildify@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/tildify/-/tildify-1.2.0.tgz#dcec03f55dca9b7aa3e5b04f21817eb56e63588a"
-  dependencies:
-    os-homedir "^1.0.0"
-
 time-stamp@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-1.1.0.tgz#764a5a11af50561921b133f3b44e618687e0f5c3"
@@ -3342,6 +4409,14 @@ tmp@0.0.x:
   dependencies:
     os-tmpdir "~1.0.2"
 
+to-absolute-glob@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz#1865f43d9e74b0822db9f145b78cff7d0f7c849b"
+  integrity sha1-GGX0PZ50sIItufFFt4z/fQ98hJs=
+  dependencies:
+    is-absolute "^1.0.0"
+    is-negated-glob "^1.0.0"
+
 to-array@0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/to-array/-/to-array-0.1.4.tgz#17e6c11f73dd4f3d74cda7a4ff3238e9ad9bf890"
@@ -3354,6 +4429,38 @@ to-iso-string@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/to-iso-string/-/to-iso-string-0.0.2.tgz#4dc19e664dfccbe25bd8db508b00c6da158255d1"
 
+to-object-path@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"
+  integrity sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=
+  dependencies:
+    kind-of "^3.0.2"
+
+to-regex-range@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-2.1.1.tgz#7c80c17b9dfebe599e27367e0d4dd5590141db38"
+  integrity sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=
+  dependencies:
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+
+to-regex@^3.0.1, to-regex@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
+  integrity sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==
+  dependencies:
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
+
+to-through@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-through/-/to-through-2.0.0.tgz#fc92adaba072647bc0b67d6b03664aa195093af6"
+  integrity sha1-/JKtq6ByZHvAtn1rA2ZKoZUJOvY=
+  dependencies:
+    through2 "^2.0.3"
+
 tough-cookie@~2.3.0:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.2.tgz#f081f76e4c85720e6c37a5faced737150d84072a"
@@ -3410,21 +4517,75 @@ ultron@1.0.x:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/ultron/-/ultron-1.0.2.tgz#ace116ab557cd197386a4e88f4685378c8b2e4fa"
 
-unc-path-regex@^0.1.0:
+unc-path-regex@^0.1.0, unc-path-regex@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
 
-unique-stream@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-1.0.0.tgz#d59a4a75427447d9aa6c91e70263f8d26a4b104b"
+undertaker-registry@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/undertaker-registry/-/undertaker-registry-1.0.1.tgz#5e4bda308e4a8a2ae584f9b9a4359a499825cc50"
+  integrity sha1-XkvaMI5KiirlhPm5pDWaSZglzFA=
+
+undertaker@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/undertaker/-/undertaker-1.3.0.tgz#363a6e541f27954d5791d6fa3c1d321666f86d18"
+  integrity sha512-/RXwi5m/Mu3H6IHQGww3GNt1PNXlbeCuclF2QYR14L/2CHPz3DFZkvB5hZ0N/QUkiXWCACML2jXViIQEQc2MLg==
+  dependencies:
+    arr-flatten "^1.0.1"
+    arr-map "^2.0.0"
+    bach "^1.0.0"
+    collection-map "^1.0.0"
+    es6-weak-map "^2.0.1"
+    fast-levenshtein "^1.0.0"
+    last-run "^1.1.0"
+    object.defaults "^1.0.0"
+    object.reduce "^1.0.0"
+    undertaker-registry "^1.0.0"
+
+union-value@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"
+  integrity sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==
+  dependencies:
+    arr-union "^3.1.0"
+    get-value "^2.0.6"
+    is-extendable "^0.1.1"
+    set-value "^2.0.1"
+
+unique-stream@^2.0.2:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-2.3.1.tgz#c65d110e9a4adf9a6c5948b28053d9a8d04cbeac"
+  integrity sha512-2nY4TnBE70yoxHkDli7DMazpWiP7xMdCYqU2nBRO0UB+ZpEkGsSija7MvmvnZFUeC+mrgiUfcHSr3LmRFIg4+A==
+  dependencies:
+    json-stable-stringify-without-jsonify "^1.0.1"
+    through2-filter "^3.0.0"
 
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
 
-user-home@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
+unset-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unset-value/-/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"
+  integrity sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=
+  dependencies:
+    has-value "^0.3.1"
+    isobject "^3.0.0"
+
+upath@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/upath/-/upath-1.2.0.tgz#8f66dbcd55a883acdae4408af8b035a5044c1894"
+  integrity sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg==
+
+urix@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
+  integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
+
+use@^3.1.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
+  integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
 
 user-home@^2.0.0:
   version "2.0.0"
@@ -3451,11 +4612,25 @@ uuid@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
 
-v8flags@^2.0.2:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.1.1.tgz#aab1a1fa30d45f88dd321148875ac02c0b55e5b4"
+v8flags@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.2.0.tgz#b243e3b4dfd731fa774e7492128109a0fe66d656"
+  integrity sha512-mH8etigqMfiGWdeXpaaqGfs6BndypxusHHcv2qSHyZkGEznCd/qAXCWWRzeowtL54147cktFOC4P5y+kl8d8Jg==
   dependencies:
-    user-home "^1.1.1"
+    homedir-polyfill "^1.0.1"
+
+validate-npm-package-license@^3.0.1:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
+  integrity sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==
+  dependencies:
+    spdx-correct "^3.0.0"
+    spdx-expression-parse "^3.0.0"
+
+value-or-function@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/value-or-function/-/value-or-function-3.0.0.tgz#1c243a50b595c1be54a754bfece8563b9ff8d813"
+  integrity sha1-HCQ6ULWVwb5Up1S/7OhWO5/42BM=
 
 verror@1.10.0:
   version "1.10.0"
@@ -3465,33 +4640,53 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
-vinyl-fs@^0.3.0:
-  version "0.3.14"
-  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-0.3.14.tgz#9a6851ce1cac1c1cea5fe86c0931d620c2cfa9e6"
-  dependencies:
-    defaults "^1.0.0"
-    glob-stream "^3.1.5"
-    glob-watcher "^0.0.6"
-    graceful-fs "^3.0.0"
-    mkdirp "^0.5.0"
-    strip-bom "^1.0.0"
-    through2 "^0.6.1"
-    vinyl "^0.4.0"
+vinyl-fs@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-3.0.3.tgz#c85849405f67428feabbbd5c5dbdd64f47d31bc7"
+  integrity sha512-vIu34EkyNyJxmP0jscNzWBSygh7VWhqun6RmqVfXePrOwi9lhvRs//dOaGOTRUQr4tx7/zd26Tk5WeSVZitgng==
+  dependencies:
+    fs-mkdirp-stream "^1.0.0"
+    glob-stream "^6.1.0"
+    graceful-fs "^4.0.0"
+    is-valid-glob "^1.0.0"
+    lazystream "^1.0.0"
+    lead "^1.0.0"
+    object.assign "^4.0.4"
+    pumpify "^1.3.5"
+    readable-stream "^2.3.3"
+    remove-bom-buffer "^3.0.0"
+    remove-bom-stream "^1.2.0"
+    resolve-options "^1.1.0"
+    through2 "^2.0.0"
+    to-through "^2.0.0"
+    value-or-function "^3.0.0"
+    vinyl "^2.0.0"
+    vinyl-sourcemap "^1.1.0"
 
-vinyl@^0.4.0:
-  version "0.4.6"
-  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.4.6.tgz#2f356c87a550a255461f36bbeb2a5ba8bf784847"
+vinyl-sourcemap@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz#92a800593a38703a8cdb11d8b300ad4be63b3e16"
+  integrity sha1-kqgAWTo4cDqM2xHYswCtS+Y7PhY=
   dependencies:
-    clone "^0.2.0"
-    clone-stats "^0.0.1"
+    append-buffer "^1.0.2"
+    convert-source-map "^1.5.0"
+    graceful-fs "^4.1.6"
+    normalize-path "^2.1.1"
+    now-and-later "^2.0.0"
+    remove-bom-buffer "^3.0.0"
+    vinyl "^2.0.0"
 
-vinyl@^0.5.0:
-  version "0.5.3"
-  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.5.3.tgz#b0455b38fc5e0cf30d4325132e461970c2091cde"
+vinyl@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-2.2.1.tgz#23cfb8bbab5ece3803aa2c0a1eb28af7cbba1974"
+  integrity sha512-LII3bXRFBZLlezoG5FfZVcXflZgWP/4dCwKtxd5ky9+LOtM4CS3bIRQsmR1KMnMW07jpE8fqR2lcxPZ+8sJIcw==
   dependencies:
-    clone "^1.0.0"
-    clone-stats "^0.0.1"
-    replace-ext "0.0.1"
+    clone "^2.1.1"
+    clone-buffer "^1.0.0"
+    clone-stats "^1.0.0"
+    cloneable-readable "^1.0.0"
+    remove-trailing-separator "^1.0.1"
+    replace-ext "^1.0.0"
 
 vlq@^0.2.1:
   version "0.2.2"
@@ -3501,12 +4696,24 @@ void-elements@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/void-elements/-/void-elements-2.0.1.tgz#c066afb582bb1cb4128d60ea92392e94d5e9dbec"
 
-which@^1.2.1, which@^1.2.12:
+which-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
+  integrity sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=
+
+which@^1.2.1:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
   dependencies:
     isexe "^2.0.0"
 
+which@^1.2.14:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
+  integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==
+  dependencies:
+    isexe "^2.0.0"
+
 wide-align@^1.1.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.2.tgz#571e0f1b0604636ebc0dfc21b0339bbe31341710"
@@ -3521,6 +4728,14 @@ wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  integrity sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
@@ -3546,10 +4761,47 @@ xmlhttprequest-ssl@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz#185a888c04eca46c3e4070d99f7b49de3528992d"
 
-"xtend@>=4.0.0 <4.1.0-0", xtend@^4.0.0, xtend@~4.0.1:
+xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
+xtend@~4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+  integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
+
+y18n@^3.2.1:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
+  integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
+
+yargs-parser@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-5.0.1.tgz#7ede329c1d8cdbbe209bd25cdb990e9b1ebbb394"
+  integrity sha512-wpav5XYiddjXxirPoCTUPbqM0PXvJ9hiBMvuJgInvo4/lAOTZzUprArw17q2O1P2+GHhbBr18/iQwjL5Z9BqfA==
+  dependencies:
+    camelcase "^3.0.0"
+    object.assign "^4.1.0"
+
+yargs@^7.1.0:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.1.2.tgz#63a0a5d42143879fdbb30370741374e0641d55db"
+  integrity sha512-ZEjj/dQYQy0Zx0lgLMLR8QuaqTihnxirir7EwUHp1Axq4e3+k8jXU5K0VLbNvedv1f4EWtBonDIZm0NUr+jCcA==
+  dependencies:
+    camelcase "^3.0.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^1.4.0"
+    read-pkg-up "^1.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^1.0.2"
+    which-module "^1.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^5.0.1"
+
 yeast@0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/yeast/-/yeast-0.1.2.tgz#008e06d8094320c372dbc2f8ed76a0ca6c8ac419"