Fix FF usage

src/mixins/LeadTime.ts

@@ -75,7 +75,7 @@ const LeadTimeMixin = types
   }))
   .actions(self => ({
     /**
-     * Calculate leadTime; call on every interaction.
+     * Calculate leadTime; call it on every interaction.
      */
     countTime() {
       if (self.leadTimeLogic === LEAD_TIME_LOGIC_OPTIONS.inertial) {

src/regions/TextAreaRegion.js

@@ -10,15 +10,13 @@ import { guidGenerator } from '../core/Helpers';
 
 import styles from './TextAreaRegion/TextAreaRegion.module.scss';
 import { HtxTextBox } from '../components/HtxTextBox/HtxTextBox';
-import LeadTimeMixin from '../mixins/LeadTime';
 import { FF_DEV_1566, FF_LSDV_4712, isFF } from '../utils/feature-flags';
 
 const Model = types
   .model('TextAreaRegionModel', {
     id: types.optional(types.identifier, guidGenerator),
     pid: types.optional(types.string, guidGenerator),
     type: 'textarearegion',
-    leadTime: 0,
 
     _value: types.string,
     // states: types.array(types.union(ChoicesModel)),
@@ -64,7 +62,6 @@ const Model = types
 const TextAreaRegionModel = types.compose(
   'TextAreaRegionModel',
   RegionsMixin,
-  LeadTimeMixin,
   NormalizationMixin,
   Model,
 );
@@ -93,9 +90,6 @@ const HtxTextAreaRegionView = ({ item, onFocus }) => {
       item.parent.updateLeadTime();
     };
     params.onInput = () => {
-      // @todo should be splitted: for per-regions countTime() on parent,
-      // @todo for global classification countTime() on this region.
-      // @todo currently most probably it's not counted when you edit global textarearegion.
       item.parent.countTime();
     };
   }

src/tags/control/TextArea/TextArea.js

@@ -161,7 +161,10 @@ const Model = types.model({
     text = text.toLowerCase();
     return value.some(val => val.toLowerCase() === text);
   },
-})).actions(self => {
+})).actions(() => isFF(FF_LEAD_TIME)
+  ? {}
+  : { countTime: () => {} },
+).actions(self => {
   let lastActiveElement = null;
   let lastActiveElementModel = null;
 
@@ -256,7 +259,7 @@ const Model = types.model({
       self.onChange();
 
       // should go after `onChange` because it uses result and area
-      if (isFF(FF_LEAD_TIME)) self.updateLeadTime();
+      self.updateLeadTime();
     },
 
     /**
@@ -267,6 +270,8 @@ const Model = types.model({
      * After adding lead_time to the result, we should reset all lead_time numbers
      */
     updateLeadTime() {
+      if (!isFF(FF_LEAD_TIME)) return;
+
       const area = self.result?.area;
 
       if (!area) return;