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    <title>topic Protoype Error Loading Map in ArcGIS JavaScript Maps SDK Questions</title>
    <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/protoype-error-loading-map/m-p/1106586#M74928</link>
    <description>&lt;P&gt;Using Webpack with Rails 5/StimulusJS to load a map in an application.&amp;nbsp; webpack config:&lt;/P&gt;&lt;PRE&gt;&lt;SPAN&gt;new &lt;/SPAN&gt;&lt;SPAN&gt;ArcGISPlugin&lt;/SPAN&gt;({&lt;BR /&gt;    &lt;SPAN&gt;// exclude 3D modules from build&lt;BR /&gt;&lt;/SPAN&gt;    &lt;SPAN&gt;features&lt;/SPAN&gt;: {&lt;BR /&gt;        &lt;SPAN&gt;locales&lt;/SPAN&gt;: [&lt;SPAN&gt;'en'&lt;/SPAN&gt;,&lt;SPAN&gt;'es'&lt;/SPAN&gt;],&lt;BR /&gt;        &lt;SPAN&gt;"3d"&lt;/SPAN&gt;: &lt;SPAN&gt;false&lt;BR /&gt;&lt;/SPAN&gt;    }&lt;/PRE&gt;&lt;P&gt;&amp;nbsp;stimulus controller:&lt;/P&gt;&lt;PRE&gt;&lt;SPAN&gt;import &lt;/SPAN&gt;{Controller} &lt;SPAN&gt;from &lt;/SPAN&gt;&lt;SPAN&gt;"stimulus"&lt;BR /&gt;&lt;/SPAN&gt;&lt;SPAN&gt;import &lt;/SPAN&gt;esriConfig &lt;SPAN&gt;from &lt;/SPAN&gt;&lt;SPAN&gt;'@arcgis/core/config'&lt;/SPAN&gt;;&lt;BR /&gt;&lt;SPAN&gt;import &lt;/SPAN&gt;esriMap &lt;SPAN&gt;from &lt;/SPAN&gt;&lt;SPAN&gt;"@arcgis/core/WebMap"&lt;/SPAN&gt;;&lt;BR /&gt;&lt;SPAN&gt;import &lt;/SPAN&gt;mapView &lt;SPAN&gt;from &lt;/SPAN&gt;&lt;SPAN&gt;"@arcgis/core/views/MapView"&lt;BR /&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;export default class extends &lt;/SPAN&gt;Controller {&lt;BR /&gt;    &lt;SPAN&gt;connect&lt;/SPAN&gt;() {&lt;BR /&gt;        esriConfig.&lt;SPAN&gt;apiKey &lt;/SPAN&gt;= &lt;SPAN&gt;"&amp;lt;APIKEY&amp;gt;"&lt;/SPAN&gt;;&lt;BR /&gt;&lt;BR /&gt;        &lt;SPAN&gt;const &lt;/SPAN&gt;&lt;SPAN&gt;map &lt;/SPAN&gt;= &lt;SPAN&gt;new &lt;/SPAN&gt;esriMap({&lt;BR /&gt;            &lt;SPAN&gt;basemap&lt;/SPAN&gt;: &lt;SPAN&gt;"topo-vector" &lt;/SPAN&gt;&lt;SPAN&gt;// Basemap layer service&lt;BR /&gt;&lt;/SPAN&gt;&lt;SPAN&gt;            // basemap: "streets-navigation-vector"&lt;BR /&gt;&lt;/SPAN&gt;        });&lt;BR /&gt;        &lt;SPAN&gt;const &lt;/SPAN&gt;&lt;SPAN&gt;view &lt;/SPAN&gt;= &lt;SPAN&gt;new &lt;/SPAN&gt;mapView({&lt;BR /&gt;            &lt;SPAN&gt;map&lt;/SPAN&gt;: &lt;SPAN&gt;map&lt;/SPAN&gt;,&lt;BR /&gt;            &lt;SPAN&gt;center&lt;/SPAN&gt;: &lt;SPAN&gt;document&lt;/SPAN&gt;.&lt;SPAN&gt;getElementById&lt;/SPAN&gt;(&lt;SPAN&gt;"jurisdiction-centerpoint"&lt;/SPAN&gt;).&lt;SPAN&gt;innerText&lt;/SPAN&gt;.&lt;SPAN&gt;split&lt;/SPAN&gt;(&lt;SPAN&gt;","&lt;/SPAN&gt;), &lt;SPAN&gt;// Longitude, latitude&lt;BR /&gt;&lt;/SPAN&gt;            &lt;SPAN&gt;zoom&lt;/SPAN&gt;: &lt;SPAN&gt;13&lt;/SPAN&gt;, &lt;SPAN&gt;// Zoom level&lt;BR /&gt;&lt;/SPAN&gt;            &lt;SPAN&gt;container&lt;/SPAN&gt;: &lt;SPAN&gt;"map-search-results" &lt;/SPAN&gt;&lt;SPAN&gt;// Div element&lt;BR /&gt;&lt;/SPAN&gt;        });&lt;BR /&gt;&lt;BR /&gt;    }}&lt;/PRE&gt;&lt;P&gt;The map control loads with a generic background tile and the following error in console:&lt;/P&gt;&lt;P&gt;TileInfoViewPOT.js:55 Uncaught TypeError: Cannot read property 'prototype' of undefined&lt;BR /&gt;at t.getTileCoverage (TileInfoViewPOT.js:55)&lt;BR /&gt;at a.update (TileManager.js:79)&lt;BR /&gt;at p.update (VectorTileLayerView2D.js:196)&lt;BR /&gt;at processUpdate (LayerView2D.js:119)&lt;BR /&gt;at a._updateLayerView (FrameTask.js:75)&lt;BR /&gt;at Array.forEach (&amp;lt;anonymous&amp;gt;)&lt;BR /&gt;at p.forEach (Collection.js:276)&lt;BR /&gt;at c.update (FrameTask.js:32)&lt;BR /&gt;at scheduling.js:133&lt;BR /&gt;at n.forAll (PooledArray.js:173)&lt;/P&gt;&lt;P&gt;Any help is appreciated!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Tue, 12 Oct 2021 04:23:41 GMT</pubDate>
    <dc:creator>KarlMcCollesterGP</dc:creator>
    <dc:date>2021-10-12T04:23:41Z</dc:date>
    <item>
      <title>Protoype Error Loading Map</title>
      <link>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/protoype-error-loading-map/m-p/1106586#M74928</link>
      <description>&lt;P&gt;Using Webpack with Rails 5/StimulusJS to load a map in an application.&amp;nbsp; webpack config:&lt;/P&gt;&lt;PRE&gt;&lt;SPAN&gt;new &lt;/SPAN&gt;&lt;SPAN&gt;ArcGISPlugin&lt;/SPAN&gt;({&lt;BR /&gt;    &lt;SPAN&gt;// exclude 3D modules from build&lt;BR /&gt;&lt;/SPAN&gt;    &lt;SPAN&gt;features&lt;/SPAN&gt;: {&lt;BR /&gt;        &lt;SPAN&gt;locales&lt;/SPAN&gt;: [&lt;SPAN&gt;'en'&lt;/SPAN&gt;,&lt;SPAN&gt;'es'&lt;/SPAN&gt;],&lt;BR /&gt;        &lt;SPAN&gt;"3d"&lt;/SPAN&gt;: &lt;SPAN&gt;false&lt;BR /&gt;&lt;/SPAN&gt;    }&lt;/PRE&gt;&lt;P&gt;&amp;nbsp;stimulus controller:&lt;/P&gt;&lt;PRE&gt;&lt;SPAN&gt;import &lt;/SPAN&gt;{Controller} &lt;SPAN&gt;from &lt;/SPAN&gt;&lt;SPAN&gt;"stimulus"&lt;BR /&gt;&lt;/SPAN&gt;&lt;SPAN&gt;import &lt;/SPAN&gt;esriConfig &lt;SPAN&gt;from &lt;/SPAN&gt;&lt;SPAN&gt;'@arcgis/core/config'&lt;/SPAN&gt;;&lt;BR /&gt;&lt;SPAN&gt;import &lt;/SPAN&gt;esriMap &lt;SPAN&gt;from &lt;/SPAN&gt;&lt;SPAN&gt;"@arcgis/core/WebMap"&lt;/SPAN&gt;;&lt;BR /&gt;&lt;SPAN&gt;import &lt;/SPAN&gt;mapView &lt;SPAN&gt;from &lt;/SPAN&gt;&lt;SPAN&gt;"@arcgis/core/views/MapView"&lt;BR /&gt;&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;export default class extends &lt;/SPAN&gt;Controller {&lt;BR /&gt;    &lt;SPAN&gt;connect&lt;/SPAN&gt;() {&lt;BR /&gt;        esriConfig.&lt;SPAN&gt;apiKey &lt;/SPAN&gt;= &lt;SPAN&gt;"&amp;lt;APIKEY&amp;gt;"&lt;/SPAN&gt;;&lt;BR /&gt;&lt;BR /&gt;        &lt;SPAN&gt;const &lt;/SPAN&gt;&lt;SPAN&gt;map &lt;/SPAN&gt;= &lt;SPAN&gt;new &lt;/SPAN&gt;esriMap({&lt;BR /&gt;            &lt;SPAN&gt;basemap&lt;/SPAN&gt;: &lt;SPAN&gt;"topo-vector" &lt;/SPAN&gt;&lt;SPAN&gt;// Basemap layer service&lt;BR /&gt;&lt;/SPAN&gt;&lt;SPAN&gt;            // basemap: "streets-navigation-vector"&lt;BR /&gt;&lt;/SPAN&gt;        });&lt;BR /&gt;        &lt;SPAN&gt;const &lt;/SPAN&gt;&lt;SPAN&gt;view &lt;/SPAN&gt;= &lt;SPAN&gt;new &lt;/SPAN&gt;mapView({&lt;BR /&gt;            &lt;SPAN&gt;map&lt;/SPAN&gt;: &lt;SPAN&gt;map&lt;/SPAN&gt;,&lt;BR /&gt;            &lt;SPAN&gt;center&lt;/SPAN&gt;: &lt;SPAN&gt;document&lt;/SPAN&gt;.&lt;SPAN&gt;getElementById&lt;/SPAN&gt;(&lt;SPAN&gt;"jurisdiction-centerpoint"&lt;/SPAN&gt;).&lt;SPAN&gt;innerText&lt;/SPAN&gt;.&lt;SPAN&gt;split&lt;/SPAN&gt;(&lt;SPAN&gt;","&lt;/SPAN&gt;), &lt;SPAN&gt;// Longitude, latitude&lt;BR /&gt;&lt;/SPAN&gt;            &lt;SPAN&gt;zoom&lt;/SPAN&gt;: &lt;SPAN&gt;13&lt;/SPAN&gt;, &lt;SPAN&gt;// Zoom level&lt;BR /&gt;&lt;/SPAN&gt;            &lt;SPAN&gt;container&lt;/SPAN&gt;: &lt;SPAN&gt;"map-search-results" &lt;/SPAN&gt;&lt;SPAN&gt;// Div element&lt;BR /&gt;&lt;/SPAN&gt;        });&lt;BR /&gt;&lt;BR /&gt;    }}&lt;/PRE&gt;&lt;P&gt;The map control loads with a generic background tile and the following error in console:&lt;/P&gt;&lt;P&gt;TileInfoViewPOT.js:55 Uncaught TypeError: Cannot read property 'prototype' of undefined&lt;BR /&gt;at t.getTileCoverage (TileInfoViewPOT.js:55)&lt;BR /&gt;at a.update (TileManager.js:79)&lt;BR /&gt;at p.update (VectorTileLayerView2D.js:196)&lt;BR /&gt;at processUpdate (LayerView2D.js:119)&lt;BR /&gt;at a._updateLayerView (FrameTask.js:75)&lt;BR /&gt;at Array.forEach (&amp;lt;anonymous&amp;gt;)&lt;BR /&gt;at p.forEach (Collection.js:276)&lt;BR /&gt;at c.update (FrameTask.js:32)&lt;BR /&gt;at scheduling.js:133&lt;BR /&gt;at n.forAll (PooledArray.js:173)&lt;/P&gt;&lt;P&gt;Any help is appreciated!&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Tue, 12 Oct 2021 04:23:41 GMT</pubDate>
      <guid>https://community.esri.com/t5/arcgis-javascript-maps-sdk-questions/protoype-error-loading-map/m-p/1106586#M74928</guid>
      <dc:creator>KarlMcCollesterGP</dc:creator>
      <dc:date>2021-10-12T04:23:41Z</dc:date>
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