Fixed loading of data used by post-processing function in key settings for map widgets

@@ -2127,9 +2127,9 @@
       }
     },
     "@types/leaflet": {
-      "version": "1.5.12",
-      "resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.5.12.tgz",
-      "integrity": "sha512-61HRMIng+bWvnnAIqUWLBlrd/TQZc4gU+gN1JL4K47EDtwIrcMEhWgi7PdcpbG1YmpH4F0EfOimkvV82gJIl9w==",
+      "version": "1.5.17",
+      "resolved": "https://registry.npmjs.org/@types/leaflet/-/leaflet-1.5.17.tgz",
+      "integrity": "sha512-2XYq9k6kNjhNI7PaTz8Rdxcc8Vzwu97OaS9CtcrTxnTSxFUGwjlGjTDvhTLJU+JRSfZ4lBwGcl0SjZHALdVr6g==",
       "dev": true,
       "requires": {
         "@types/geojson": "*"
@@ -3100,6 +3100,16 @@
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       "dev": true
     },
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
     "blob": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.5.tgz",
@@ -5843,6 +5853,13 @@
         "tslib": "^1.9.0"
       }
     },
+    "file-uri-to-path": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
+      "dev": true,
+      "optional": true
+    },
     "fileset": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/fileset/-/fileset-2.0.3.tgz",
@@ -8938,6 +8955,13 @@
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       "dev": true
     },
+    "nan": {
+      "version": "2.14.1",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.1.tgz",
+      "integrity": "sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==",
+      "dev": true,
+      "optional": true
+    },
     "nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -8997,10 +9021,10 @@
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     },
     "ngx-flowchart": {
-      "version": "git://github.com/thingsboard/ngx-flowchart.git#7a02f4748b5e7821a883c903107af5f20415d026",
+      "version": "git://github.com/thingsboard/ngx-flowchart.git#97a77477ca8579becf0e3a07866046b4536fe30a",
       "from": "git://github.com/thingsboard/ngx-flowchart.git#master",
       "requires": {
-        "tslib": "^1.13.0"
+        "tslib": "^1.10.0"
       },
       "dependencies": {
         "tslib": {
@@ -14065,7 +14089,11 @@
           "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.13.tgz",
           "integrity": "sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==",
           "dev": true,
-          "optional": true
+          "optional": true,
+          "requires": {
+            "bindings": "^1.5.0",
+            "nan": "^2.12.1"
+          }
         },
         "is-binary-path": {
           "version": "1.0.1",
@@ -14500,7 +14528,11 @@
           "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.13.tgz",
           "integrity": "sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==",
           "dev": true,
-          "optional": true
+          "optional": true,
+          "requires": {
+            "bindings": "^1.5.0",
+            "nan": "^2.12.1"
+          }
         },
         "is-absolute-url": {
           "version": "3.0.3",

@@ -106,7 +106,7 @@
     "@types/js-beautify": "^1.8.2",
     "@types/jstree": "^3.3.40",
     "@types/jszip": "^3.4.1",
-    "@types/leaflet": "^1.5.12",
+    "@types/leaflet": "^1.5.17",
     "@types/leaflet-markercluster": "^1.0.3",
     "@types/leaflet-polylinedecorator": "^1.6.0",
     "@types/lodash": "^4.14.151",

@@ -89,6 +89,10 @@ export function isDefinedAndNotNull(value: any): boolean {
   return typeof value !== 'undefined' && value !== null;
 }
 
+export function isDefinedAndNotEmptyStr(value: any): boolean {
+  return typeof value !== 'undefined' && value !== '';
+}
+
 export function isFunction(value: any): boolean {
   return typeof value === 'function';
 }

@@ -44,7 +44,7 @@ import { Polygon } from './polygon';
 import { createLoadingDiv, createTooltip, parseArray, safeExecute } from '@home/components/widget/lib/maps/maps-utils';
 import { WidgetContext } from '@home/models/widget-component.models';
 import { DatasourceData } from '@shared/models/widget.models';
-import { deepClone, isDefinedAndNotNull } from '@core/utils';
+import { deepClone, isDefinedAndNotEmptyStr } from '@core/utils';
 
 export default abstract class LeafletMap {
 
@@ -276,7 +276,7 @@ export default abstract class LeafletMap {
         if (!expression) return null;
         const lat = expression[this.options.latKeyName];
         const lng = expression[this.options.lngKeyName];
-        if (!isDefinedAndNotNull(lat) || isNaN(lat) || !isDefinedAndNotNull(lng) || isNaN(lng)) {
+        if (!isDefinedAndNotEmptyStr(lat) || isNaN(lat) || !isDefinedAndNotEmptyStr(lng) || isNaN(lng)) {
           return null;
         }
         return L.latLng(lat, lng) as L.LatLng;
@@ -524,7 +524,7 @@ export default abstract class LeafletMap {
     const keys: string[] = [];
     this.polygonsData = deepClone(polyData);
     polyData.forEach((data: FormattedData) => {
-      if (data && data.hasOwnProperty(this.options.polygonKeyName) && data[this.options.polygonKeyName] !== null) {
+      if (data && isDefinedAndNotEmptyStr(data[this.options.polygonKeyName])) {
         if (typeof (data[this.options.polygonKeyName]) === 'string') {
           data[this.options.polygonKeyName] = JSON.parse(data[this.options.polygonKeyName]);
         }

@@ -341,8 +341,8 @@ export function parseData(input: DatasourceData[]): FormattedData[] {
       };
       entityArray.filter(el => el.data.length).forEach(el => {
         const indexDate = el?.data?.length ? el.data.length - 1 : 0;
-        obj[el?.dataKey?.label] = el?.data[indexDate][0] ? el?.data[indexDate][1] : null;
-        obj[el?.dataKey?.label + '|ts'] = el?.data[indexDate][0] || null;
+        obj[el?.dataKey?.label] = el?.data[indexDate][1];
+        obj[el?.dataKey?.label + '|ts'] = el?.data[indexDate][0];
         if (el?.dataKey?.label === 'type') {
           obj.deviceType = el?.data[indexDate][1];
         }

@@ -24,7 +24,7 @@ import { WidgetContext } from '@home/models/widget-component.models';
 import { DataSet, DatasourceType, widgetType } from '@shared/models/widget.models';
 import { DataKeyType } from '@shared/models/telemetry/telemetry.models';
 import { WidgetSubscriptionOptions } from '@core/api/widget-api.models';
-import { isDefinedAndNotNull } from '@core/utils';
+import { isDefinedAndNotEmptyStr } from '@core/utils';
 
 const maxZoom = 4;// ?
 
@@ -212,7 +212,7 @@ export class ImageMap extends LeafletMap {
     convertPosition(expression): L.LatLng {
       const xPos = expression[this.options.xPosKeyName];
       const yPos = expression[this.options.yPosKeyName];
-      if (!isDefinedAndNotNull(xPos) || isNaN(xPos) || !isDefinedAndNotNull(yPos) || isNaN(yPos)) {
+      if (!isDefinedAndNotEmptyStr(xPos) || isNaN(xPos) || !isDefinedAndNotEmptyStr(yPos) || isNaN(yPos)) {
         return null;
       }
       Object.assign(expression, this.posFunction(xPos, yPos));