graphicsUtils.js

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define(["dojo/_base/lang","dojo/_base/array","dojo/has","./kernel","./geometry/Extent"],function(e,t,n,r,o){var i={graphicsExtent:function(e){if(!e||!e.length)return null;var t,n,r=e[0].geometry,i=r.getExtent(),a=e.length;for(null===i&&(i=new o(r.x,r.y,r.x,r.y,r.spatialReference)),n=1;n<a;n++)t=(r=e[n].geometry).getExtent(),null===t&&(t=new o(r.x,r.y,r.x,r.y,r.spatialReference)),i=i.union(t);return i.getWidth()<0&&i.getHeight()<0?null:i},getGeometries:function(e){return t.map(e,function(e){return e.geometry})},_encodeGraphics:function(e,n){var r,o,i,a=[];return t.forEach(e,function(e,t){r=e.toJson(),o={},r.geometry&&(i=n&&n[t],o.geometry=i&&i.toJson()||r.geometry),r.attributes&&(o.attributes=r.attributes),a[t]=o}),a}};return n("extend-esri")&&e.mixin(r,i),i});