getInferredValuesList(): add extendTo option, fix bug when in LISTE mode

src/param/param-definition.ts

@@ -477,10 +477,11 @@ export class ParamDefinition implements INamedIterableValues, IObservable {
     /**
      * Returns values as a number list, for LISTE and MINMAX modes;
      * in MINMAX mode, infers the list from min/max/step values
+     * @param extendTo if given, will extend the values list to this number of values
      */
-    public getInferredValuesList() {
+    public getInferredValuesList(extendTo?: number) {
         this.checkValueMode([ParamValueMode.LISTE, ParamValueMode.MINMAX, ParamValueMode.LINK]);
-        return this.paramValues.getInferredValuesList(false, undefined, true);
+        return this.paramValues.getInferredValuesList(false, extendTo, true);
     }
 
     /**

src/param/param-values.ts

@@ -116,11 +116,15 @@ export class ParamValues implements IterableValues {
      */
     public getInferredValuesList(reverse: boolean = false, extendTo?: number, addLastStep: boolean = false) {
         if ([ ParamValueMode.MINMAX, ParamValueMode.LISTE ].includes(this.valueMode)) {
-            // protection against infinite loops
             if (
-                this.step !== undefined && this.step > 0
-                && this.min !== undefined && this.min !== null
-                && this.max !== undefined && this.max !== null
+                (this.valueMode === ParamValueMode.LISTE)
+                || (
+                    this.valueMode === ParamValueMode.MINMAX
+                    // protection against infinite loops
+                    && this.step !== undefined && this.step > 0
+                    && this.min !== undefined && this.min !== null
+                    && this.max !== undefined && this.max !== null
+                )
             ) {
                 const it = this.initValuesIterator(reverse, extendTo, addLastStep);
                 const values: number[] = [];