New option: stringArrayIndexShift enables additional index shift for all string array calls

src/custom-code-helpers/string-array/StringArrayCallsWrapperCodeHelper.ts

@@ -20,6 +20,12 @@ import { NodeUtils } from '../../node/NodeUtils';
 
 @injectable()
 export class StringArrayCallsWrapperCodeHelper extends AbstractCustomCodeHelper {
+    /**
+     * @type {number}
+     */
+    @initializable()
+    protected indexShiftAmount!: number;
+
     /**
      * @type {string}
      */
@@ -68,13 +74,16 @@ export class StringArrayCallsWrapperCodeHelper extends AbstractCustomCodeHelper
     /**
      * @param {string} stringArrayName
      * @param {string} stringArrayCallsWrapperName
+     * @param {number} indexShiftAmount
      */
     public initialize (
         stringArrayName: string,
-        stringArrayCallsWrapperName: string
+        stringArrayCallsWrapperName: string,
+        indexShiftAmount: number
     ): void {
         this.stringArrayName = stringArrayName;
         this.stringArrayCallsWrapperName = stringArrayCallsWrapperName;
+        this.indexShiftAmount = indexShiftAmount;
     }
 
     /**
@@ -97,7 +106,8 @@ export class StringArrayCallsWrapperCodeHelper extends AbstractCustomCodeHelper
             this.customCodeHelperFormatter.formatTemplate(StringArrayCallsWrapperTemplate(), {
                 decodeCodeHelperTemplate,
                 stringArrayCallsWrapperName: this.stringArrayCallsWrapperName,
-                stringArrayName: this.stringArrayName
+                stringArrayName: this.stringArrayName,
+                indexShiftAmount: this.indexShiftAmount
             }),
             {
                 reservedNames: preservedNames

src/custom-code-helpers/string-array/group/StringArrayCodeHelperGroup.ts

@@ -142,7 +142,8 @@ export class StringArrayCodeHelperGroup extends AbstractCustomCodeHelperGroup {
 
             stringArrayCallsWrapperCodeHelper.initialize(
                 stringArrayName,
-                stringArrayCallsWrapperName
+                stringArrayCallsWrapperName,
+                this.stringArrayStorage.getIndexShiftAmount()
             );
 
             this.customCodeHelpers.set(stringArrayCallsWrapperCodeHelperName, stringArrayCallsWrapperCodeHelper);
@@ -151,9 +152,11 @@ export class StringArrayCodeHelperGroup extends AbstractCustomCodeHelperGroup {
         // stringArrayRotateFunction helper initialize
         const stringArrayRotateFunctionCodeHelper: ICustomCodeHelper<TInitialData<StringArrayRotateFunctionCodeHelper>> =
             this.customCodeHelperFactory(CustomCodeHelper.StringArrayRotateFunction);
-        const stringArrayRotationAmount: number = this.stringArrayStorage.getRotationAmount();
 
-        stringArrayRotateFunctionCodeHelper.initialize(stringArrayName, stringArrayRotationAmount);
+        stringArrayRotateFunctionCodeHelper.initialize(
+            stringArrayName,
+            this.stringArrayStorage.getRotationAmount()
+        );
 
         if (this.options.rotateStringArray) {
             this.customCodeHelpers.set(CustomCodeHelper.StringArrayRotateFunction, stringArrayRotateFunctionCodeHelper);

src/custom-code-helpers/string-array/templates/string-array-calls-wrapper/StringArrayCallsWrapperTemplate.ts

@@ -4,7 +4,7 @@
 export function StringArrayCallsWrapperTemplate (): string {
     return `
         const {stringArrayCallsWrapperName} = function (index, key) {
-            index = index - 0;
+            index = index - {indexShiftAmount};
             
             let value = {stringArrayName}[index];