feat: ✨ disable/enable LoRas with a switch (#5591)

* feat: ✨ disable/enable LorRas with a switch

* feat: ✨ visually display previous weight when disabled

* style: 🚨 linting

* feat: ✨ lora badge count reflects active loras

* style: 🚨 linting

* feat: ✨ track disabled lora on state instead of weight

* style: 🚨 linting

* feat: ✨ it all works now

tracking isEnabled on lora state, disabled slider when disabled, removed disabled loras from graph, updated badge counting and renamed lora add function

* style: 🚨 linting

* fix: 🐛 enabledLoRAs filter nullish coalescing

* refactor: 🎨 minor changes

renamed lora toggle action, removed errent comment, removed extraneous type annotation

* style: 🚨 linting

invokeai/frontend/web/src/features/lora/components/LoRACard.tsx

@@ -4,12 +4,14 @@ import {
   CardHeader,
   CompositeNumberInput,
   CompositeSlider,
+  Flex,
   IconButton,
+  Switch,
   Text,
 } from '@invoke-ai/ui-library';
 import { useAppDispatch } from 'app/store/storeHooks';
 import type { LoRA } from 'features/lora/store/loraSlice';
-import { loraRemoved, loraWeightChanged } from 'features/lora/store/loraSlice';
+import { loraIsEnabledChanged, loraRemoved, loraWeightChanged } from 'features/lora/store/loraSlice';
 import { memo, useCallback } from 'react';
 import { PiTrashSimpleBold } from 'react-icons/pi';
 
@@ -28,6 +30,10 @@ export const LoRACard = memo((props: LoRACardProps) => {
     [dispatch, lora.id]
   );
 
+  const handleSetLoraToggle = useCallback(() => {
+    dispatch(loraIsEnabledChanged({ id: lora.id, isEnabled: !lora.isEnabled }));
+  }, [dispatch, lora.id, lora.isEnabled]);
+
   const handleRemoveLora = useCallback(() => {
     dispatch(loraRemoved(lora.id));
   }, [dispatch, lora.id]);
@@ -35,9 +41,12 @@ export const LoRACard = memo((props: LoRACardProps) => {
   return (
     <Card variant="lora">
       <CardHeader>
-        <Text noOfLines={1} wordBreak="break-all" color="base.200">
+        <Flex alignItems="center" justifyContent="space-between" width="100%" gap={2}>
+          <Text noOfLines={1} wordBreak="break-all" color={lora.isEnabled ? 'base.200' : 'base.500'}>
             {lora.model_name}
           </Text>
+          <Flex alignItems="center" gap={2}>
+            <Switch size="sm" onChange={handleSetLoraToggle} isChecked={lora.isEnabled} />
             <IconButton
               aria-label="Remove LoRA"
               variant="ghost"
@@ -45,6 +54,8 @@ export const LoRACard = memo((props: LoRACardProps) => {
               onClick={handleRemoveLora}
               icon={<PiTrashSimpleBold />}
             />
+          </Flex>
+        </Flex>
       </CardHeader>
       <CardBody>
         <CompositeSlider
@@ -55,6 +66,7 @@ export const LoRACard = memo((props: LoRACardProps) => {
           step={0.01}
           marks={marks}
           defaultValue={0.75}
+          isDisabled={!lora.isEnabled}
         />
         <CompositeNumberInput
           value={lora.weight}
@@ -65,6 +77,7 @@ export const LoRACard = memo((props: LoRACardProps) => {
           w={20}
           flexShrink={0}
           defaultValue={0.75}
+          isDisabled={!lora.isEnabled}
         />
       </CardBody>
     </Card>

invokeai/frontend/web/src/features/lora/store/loraSlice.ts

@@ -7,10 +7,12 @@ import type { LoRAModelConfigEntity } from 'services/api/endpoints/models';
 export type LoRA = ParameterLoRAModel & {
   id: string;
   weight: number;
+  isEnabled?: boolean;
 };
 
-export const defaultLoRAConfig = {
+export const defaultLoRAConfig: Pick<LoRA, 'weight' | 'isEnabled'> = {
   weight: 0.75,
+  isEnabled: true,
 };
 
 export type LoraState = {
@@ -58,11 +60,26 @@ export const loraSlice = createSlice({
       }
       lora.weight = defaultLoRAConfig.weight;
     },
+    loraIsEnabledChanged: (state, action: PayloadAction<Pick<LoRA, 'id' | 'isEnabled'>>) => {
+      const { id, isEnabled } = action.payload;
+      const lora = state.loras[id];
+      if (!lora) {
+        return;
+      }
+      lora.isEnabled = isEnabled;
+    },
   },
 });
 
-export const { loraAdded, loraRemoved, loraWeightChanged, loraWeightReset, lorasCleared, loraRecalled } =
+export const {
-  loraSlice.actions;
+  loraAdded,
+  loraRemoved,
+  loraWeightChanged,
+  loraWeightReset,
+  loraIsEnabledChanged,
+  lorasCleared,
+  loraRecalled,
+} = loraSlice.actions;
 
 export default loraSlice.reducer;
 

invokeai/frontend/web/src/features/nodes/util/graph/addLoRAsToGraph.ts

@@ -1,5 +1,5 @@
 import type { RootState } from 'app/store/store';
-import { forEach, size } from 'lodash-es';
+import { filter, size } from 'lodash-es';
 import type { CoreMetadataInvocation, LoraLoaderInvocation, NonNullableGraph } from 'services/api/types';
 
 import {
@@ -28,8 +28,8 @@ export const addLoRAsToGraph = (
    * So we need to inject a LoRA chain into the graph.
    */
 
-  const { loras } = state.lora;
+  const enabledLoRAs = filter(state.lora.loras, (l) => l.isEnabled ?? false);
-  const loraCount = size(loras);
+  const loraCount = size(enabledLoRAs);
 
   if (loraCount === 0) {
     return;
@@ -47,7 +47,7 @@ export const addLoRAsToGraph = (
   let currentLoraIndex = 0;
   const loraMetadata: CoreMetadataInvocation['loras'] = [];
 
-  forEach(loras, (lora) => {
+  enabledLoRAs.forEach((lora) => {
     const { model_name, base_model, weight } = lora;
     const currentLoraNodeId = `${LORA_LOADER}_${model_name.replace('.', '_')}`;
 

invokeai/frontend/web/src/features/settingsAccordions/components/GenerationSettingsAccordion/GenerationSettingsAccordion.tsx

@@ -23,7 +23,7 @@ import ParamMainModelSelect from 'features/parameters/components/MainModel/Param
 import { selectGenerationSlice } from 'features/parameters/store/generationSlice';
 import { useExpanderToggle } from 'features/settingsAccordions/hooks/useExpanderToggle';
 import { useStandaloneAccordionToggle } from 'features/settingsAccordions/hooks/useStandaloneAccordionToggle';
-import { size } from 'lodash-es';
+import { filter, size } from 'lodash-es';
 import { memo } from 'react';
 import { useTranslation } from 'react-i18next';
 
@@ -32,7 +32,8 @@ const formLabelProps: FormLabelProps = {
 };
 
 const badgesSelector = createMemoizedSelector(selectLoraSlice, selectGenerationSlice, (lora, generation) => {
-  const loraTabBadges = size(lora.loras) ? [size(lora.loras)] : [];
+  const enabledLoRAsCount = filter(lora.loras, (l) => !!l.isEnabled).length;
+  const loraTabBadges = size(lora.loras) ? [enabledLoRAsCount] : [];
   const accordionBadges: (string | number)[] = [];
   if (generation.model) {
     accordionBadges.push(generation.model.model_name);