SCAL-200368 Dynamic Gradient Coloring

package.json

@@ -1,7 +1,7 @@
 {
     "name": "@thoughtspot/ts-chart-sdk",
     "private": false,
-    "version": "0.0.2-alpha.22",
+    "version": "0.0.2-alpha.23",
     "module": "lib/index",
     "main": "lib/index",
     "types": "lib/index",

src/main/custom-chart-context.spec.ts

@@ -115,6 +115,7 @@ describe('CustomChartContext', () => {
                 allowedConfigurations: {
                     allowColumnNumberFormatting: false,
                     allowColumnConditionalFormatting: false,
+                    allowGradientColoring: false,
                     allowMeasureNamesAndValues: false,
                 },
                 chartConfigParameters: {

src/main/custom-chart-context.ts

@@ -85,6 +85,14 @@
      */
     allowColumnConditionalFormatting?: boolean;
 
+    /**
+     * Allows Gradient coloring at the column level.
+     *
+     * @default false
+     * @version SDK: 0.1 | ThoughtSpot:
+     */
+    allowGradientColoring?: boolean;
+
     /**
      * Enables measure_name and measure_values in the chart configuration.
      *
@@ -269,6 +277,7 @@
     allowedConfigurations: {
         allowColumnNumberFormatting: false,
         allowColumnConditionalFormatting: false,
+        allowGradientColoring: false,
         allowMeasureNamesAndValues: false,
     },
     chartConfigParameters: {
@@ -401,7 +410,7 @@
      * @version SDK: 0.1 | ThoughtSpot:
      */
     public initialize = (): Promise<void> => {
         console.log('Chart Context: initialization start');
         return this.hasInitializedPromise;
     };
 
@@ -433,7 +442,7 @@
      */
     public off<T extends keyof TSToChartEventsPayloadMap>(eventType: T): void {
         if (_.isNil(this.eventListeners[eventType])) {
             console.log('No event listener found to remove');
             this.eventListeners[eventType] = [];
             return;
         }
@@ -654,7 +663,7 @@
         ...eventPayload: ChartToTSEventsPayloadMap[T]
     ): Promise<any> {
         if (!globalThis.isInitialized) {
             console.log(
                 'Chart Context: not initialized the context, something went wrong',
             );
             return Promise.reject(new Error('Context not initialized'));
@@ -677,7 +686,7 @@
      */
     private registerEventProcessor = () => {
         if (globalThis.isInitialized) {
             console.error(
                 'The context is already initialized. you cannot have multiple contexts',
             );
             throw new Error(ErrorType.MultipleContextsNotSupported);
@@ -693,7 +702,7 @@
      * @param event : Message Event Object
      */
     private eventProcessor = (data: any) => {
         console.log('Chart Context: message received:', data.eventType, data);
 
         const messageResponse = this.executeEventListenerCBs(data);
 
@@ -878,7 +887,7 @@
                         isValid: true,
                     };
                 } catch (error: unknown) {
                     console.log(
                         'ContextMenuCustomAction: payload recieved:',
                         payload,
                         'CustomActionCallbackStore:',
@@ -921,7 +930,7 @@
                         isValid: true,
                     };
                 } catch (error: unknown) {
                     console.log(
                         'AxisMenuCustomAction: payload recieved:',
                         payload,
                         'CustomActionCallbackStore:',
@@ -1080,7 +1089,7 @@
             };
         }
 
         console.log(
             'ChartContext: Response:',
             data.eventType,
             response,