Vaihi api 4

common/api-review/vertexai.api.md

@@ -344,7 +344,7 @@ export class GenerativeModel extends VertexAIModel {
 }
 
 // @public
-export function getGenerativeModel(vertexAI: VertexAI, modelParams: ModelParams, requestOptions?: RequestOptions): GenerativeModel;
+export function getGenerativeModel(vertexAI: VertexAI, onCloudOrHybridParams: ModelParams | HybridParams, requestOptions?: RequestOptions): GenerativeModel;
 
 // @beta
 export function getImagenModel(vertexAI: VertexAI, modelParams: ImagenModelParams, requestOptions?: RequestOptions): ImagenModel;
@@ -416,6 +416,18 @@ export enum HarmSeverity {
     HARM_SEVERITY_NEGLIGIBLE = "HARM_SEVERITY_NEGLIGIBLE"
 }
 
+// @public
+export interface HybridParams {
+    // (undocumented)
+    mode?: InferenceMode;
+    // (undocumented)
+    onCloudParams?: ModelParams;
+    // Warning: (ae-forgotten-export) The symbol "LanguageModelCreateOptions" needs to be exported by the entry point index.d.ts
+    //
+    // (undocumented)
+    onDeviceParams?: LanguageModelCreateOptions;
+}
+
 // @beta
 export enum ImagenAspectRatio {
     LANDSCAPE_16x9 = "16:9",
@@ -500,6 +512,9 @@ export interface ImagenSafetySettings {
     safetyFilterLevel?: ImagenSafetyFilterLevel;
 }
 
+// @public
+export type InferenceMode = 'prefer_on_device' | 'only_on_device' | 'only_in_cloud';
+
 // @public
 export interface InlineDataPart {
     // (undocumented)

docs-devsite/_toc.yaml

@@ -536,6 +536,8 @@ toc:
     path: /docs/reference/js/vertexai.groundingattribution.md
   - title: GroundingMetadata
     path: /docs/reference/js/vertexai.groundingmetadata.md
+  - title: HybridParams
+    path: /docs/reference/js/vertexai.hybridparams.md
   - title: ImagenGCSImage
     path: /docs/reference/js/vertexai.imagengcsimage.md
   - title: ImagenGenerationConfig

docs-devsite/vertexai.hybridparams.md

@@ -0,0 +1,51 @@
+Project: /docs/reference/js/_project.yaml
+Book: /docs/reference/_book.yaml
+page_type: reference
+
+{% comment %}
+DO NOT EDIT THIS FILE!
+This is generated by the JS SDK team, and any local changes will be
+overwritten. Changes should be made in the source code at
+https://github.com/firebase/firebase-js-sdk
+{% endcomment %}
+
+# HybridParams interface
+Configures on-device and on-cloud inference.
+
+<b>Signature:</b>
+
+```typescript
+export interface HybridParams 
+```
+
+## Properties
+
+|  Property | Type | Description |
+|  --- | --- | --- |
+|  [mode](./vertexai.hybridparams.md#hybridparamsmode) | [InferenceMode](./vertexai.md#inferencemode) |  |
+|  [onCloudParams](./vertexai.hybridparams.md#hybridparamsoncloudparams) | [ModelParams](./vertexai.modelparams.md#modelparams_interface) |  |
+|  [onDeviceParams](./vertexai.hybridparams.md#hybridparamsondeviceparams) | LanguageModelCreateOptions |  |
+
+## HybridParams.mode
+
+<b>Signature:</b>
+
+```typescript
+mode?: InferenceMode;
+```
+
+## HybridParams.onCloudParams
+
+<b>Signature:</b>
+
+```typescript
+onCloudParams?: ModelParams;
+```
+
+## HybridParams.onDeviceParams
+
+<b>Signature:</b>
+
+```typescript
+onDeviceParams?: LanguageModelCreateOptions;
+```

docs-devsite/vertexai.md

@@ -19,7 +19,7 @@ The Vertex AI in Firebase Web SDK.
 |  <b>function(app, ...)</b> |
 |  [getVertexAI(app, options)](./vertexai.md#getvertexai_04094cf) | Returns a [VertexAI](./vertexai.vertexai.md#vertexai_interface) instance for the given app. |
 |  <b>function(vertexAI, ...)</b> |
-|  [getGenerativeModel(vertexAI, modelParams, requestOptions)](./vertexai.md#getgenerativemodel_e3037c9) | Returns a [GenerativeModel](./vertexai.generativemodel.md#generativemodel_class) class with methods for inference and other functionality. |
+|  [getGenerativeModel(vertexAI, onCloudOrHybridParams, requestOptions)](./vertexai.md#getgenerativemodel_202434f) | Returns a [GenerativeModel](./vertexai.generativemodel.md#generativemodel_class) class with methods for inference and other functionality. |
 |  [getImagenModel(vertexAI, modelParams, requestOptions)](./vertexai.md#getimagenmodel_812c375) | <b><i>(Public Preview)</i></b> Returns an [ImagenModel](./vertexai.imagenmodel.md#imagenmodel_class) class with methods for using Imagen.<!-- -->Only Imagen 3 models (named <code>imagen-3.0-*</code>) are supported. |
 
 ## Classes
@@ -91,6 +91,7 @@ The Vertex AI in Firebase Web SDK.
 |  [GenerativeContentBlob](./vertexai.generativecontentblob.md#generativecontentblob_interface) | Interface for sending an image. |
 |  [GroundingAttribution](./vertexai.groundingattribution.md#groundingattribution_interface) |  |
 |  [GroundingMetadata](./vertexai.groundingmetadata.md#groundingmetadata_interface) | Metadata returned to client when grounding is enabled. |
+|  [HybridParams](./vertexai.hybridparams.md#hybridparams_interface) | Configures on-device and on-cloud inference. |
 |  [ImagenGCSImage](./vertexai.imagengcsimage.md#imagengcsimage_interface) | An image generated by Imagen, stored in a Cloud Storage for Firebase bucket.<!-- -->This feature is not available yet. |
 |  [ImagenGenerationConfig](./vertexai.imagengenerationconfig.md#imagengenerationconfig_interface) | <b><i>(Public Preview)</i></b> Configuration options for generating images with Imagen.<!-- -->See the [documentation](http://firebase.google.com/docs/vertex-ai/generate-images-imagen) for more details. |
 |  [ImagenGenerationResponse](./vertexai.imagengenerationresponse.md#imagengenerationresponse_interface) | <b><i>(Public Preview)</i></b> The response from a request to generate images with Imagen. |
@@ -99,10 +100,10 @@ The Vertex AI in Firebase Web SDK.
 |  [ImagenSafetySettings](./vertexai.imagensafetysettings.md#imagensafetysettings_interface) | <b><i>(Public Preview)</i></b> Settings for controlling the aggressiveness of filtering out sensitive content.<!-- -->See the [documentation](http://firebase.google.com/docs/vertex-ai/generate-images) for more details. |
 |  [InlineDataPart](./vertexai.inlinedatapart.md#inlinedatapart_interface) | Content part interface if the part represents an image. |
 |  [ModalityTokenCount](./vertexai.modalitytokencount.md#modalitytokencount_interface) | Represents token counting info for a single modality. |
-|  [ModelParams](./vertexai.modelparams.md#modelparams_interface) | Params passed to [getGenerativeModel()](./vertexai.md#getgenerativemodel_e3037c9)<!-- -->. |
+|  [ModelParams](./vertexai.modelparams.md#modelparams_interface) | Params passed to [getGenerativeModel()](./vertexai.md#getgenerativemodel_202434f)<!-- -->. |
 |  [ObjectSchemaInterface](./vertexai.objectschemainterface.md#objectschemainterface_interface) | Interface for [ObjectSchema](./vertexai.objectschema.md#objectschema_class) class. |
 |  [PromptFeedback](./vertexai.promptfeedback.md#promptfeedback_interface) | If the prompt was blocked, this will be populated with <code>blockReason</code> and the relevant <code>safetyRatings</code>. |
-|  [RequestOptions](./vertexai.requestoptions.md#requestoptions_interface) | Params passed to [getGenerativeModel()](./vertexai.md#getgenerativemodel_e3037c9)<!-- -->. |
+|  [RequestOptions](./vertexai.requestoptions.md#requestoptions_interface) | Params passed to [getGenerativeModel()](./vertexai.md#getgenerativemodel_202434f)<!-- -->. |
 |  [RetrievedContextAttribution](./vertexai.retrievedcontextattribution.md#retrievedcontextattribution_interface) |  |
 |  [SafetyRating](./vertexai.safetyrating.md#safetyrating_interface) | A safety rating associated with a [GenerateContentCandidate](./vertexai.generatecontentcandidate.md#generatecontentcandidate_interface) |
 |  [SafetySetting](./vertexai.safetysetting.md#safetysetting_interface) | Safety setting that can be sent as part of request parameters. |
@@ -130,6 +131,7 @@ The Vertex AI in Firebase Web SDK.
 
 |  Type Alias | Description |
 |  --- | --- |
+|  [InferenceMode](./vertexai.md#inferencemode) | Determines whether inference happens on-device or in-cloud. |
 |  [Part](./vertexai.md#part) | Content part - includes text, image/video, or function call/response part types. |
 |  [Role](./vertexai.md#role) | Role is the producer of the content. |
 |  [Tool](./vertexai.md#tool) | Defines a tool that model can call to access external knowledge. |
@@ -160,22 +162,22 @@ export declare function getVertexAI(app?: FirebaseApp, options?: VertexAIOptions
 
 ## function(vertexAI, ...)
 
-### getGenerativeModel(vertexAI, modelParams, requestOptions) {:#getgenerativemodel_e3037c9}
+### getGenerativeModel(vertexAI, onCloudOrHybridParams, requestOptions) {:#getgenerativemodel_202434f}
 
 Returns a [GenerativeModel](./vertexai.generativemodel.md#generativemodel_class) class with methods for inference and other functionality.
 
 <b>Signature:</b>
 
 ```typescript
-export declare function getGenerativeModel(vertexAI: VertexAI, modelParams: ModelParams, requestOptions?: RequestOptions): GenerativeModel;
+export declare function getGenerativeModel(vertexAI: VertexAI, onCloudOrHybridParams: ModelParams | HybridParams, requestOptions?: RequestOptions): GenerativeModel;
 ```
 
 #### Parameters
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
 |  vertexAI | [VertexAI](./vertexai.vertexai.md#vertexai_interface) |  |
-|  modelParams | [ModelParams](./vertexai.modelparams.md#modelparams_interface) |  |
+|  onCloudOrHybridParams | [ModelParams](./vertexai.modelparams.md#modelparams_interface) \| [HybridParams](./vertexai.hybridparams.md#hybridparams_interface) |  |
 |  requestOptions | [RequestOptions](./vertexai.requestoptions.md#requestoptions_interface) |  |
 
 <b>Returns:</b>
@@ -223,6 +225,16 @@ Possible roles.
 POSSIBLE_ROLES: readonly ["user", "model", "function", "system"]
 ```
 
+## InferenceMode
+
+Determines whether inference happens on-device or in-cloud.
+
+<b>Signature:</b>
+
+```typescript
+export type InferenceMode = 'prefer_on_device' | 'only_on_device' | 'only_in_cloud';
+```
+
 ## Part
 
 Content part - includes text, image/video, or function call/response part types.

docs-devsite/vertexai.modelparams.md

@@ -10,7 +10,7 @@ https://github.com/firebase/firebase-js-sdk
 {% endcomment %}
 
 # ModelParams interface
-Params passed to [getGenerativeModel()](./vertexai.md#getgenerativemodel_e3037c9)<!-- -->.
+Params passed to [getGenerativeModel()](./vertexai.md#getgenerativemodel_202434f)<!-- -->.
 
 <b>Signature:</b>
 

docs-devsite/vertexai.requestoptions.md

@@ -10,7 +10,7 @@ https://github.com/firebase/firebase-js-sdk
 {% endcomment %}
 
 # RequestOptions interface
-Params passed to [getGenerativeModel()](./vertexai.md#getgenerativemodel_e3037c9)<!-- -->.
+Params passed to [getGenerativeModel()](./vertexai.md#getgenerativemodel_202434f)<!-- -->.
 
 <b>Signature:</b>
 

packages/vertexai/src/api.ts

@@ -23,6 +23,7 @@ import { VertexAIService } from './service';
 import { VertexAI, VertexAIOptions } from './public-types';
 import {
   ImagenModelParams,
+  HybridParams,
   ModelParams,
   RequestOptions,
   VertexAIErrorCode
@@ -70,16 +71,27 @@ export function getVertexAI(
  */
 export function getGenerativeModel(
   vertexAI: VertexAI,
-  modelParams: ModelParams,
+  onCloudOrHybridParams: ModelParams | HybridParams,
   requestOptions?: RequestOptions
 ): GenerativeModel {
-  if (!modelParams.model) {
+  // Disambiguates onCloudOrHybridParams input.
+  const hybridParams = onCloudOrHybridParams as HybridParams;
+  let onCloudParams: ModelParams;
+  if (hybridParams.mode) {
+    onCloudParams = hybridParams.onCloudParams || {
+      model: 'gemini-2.0-flash-lite'
+    };
+  } else {
+    onCloudParams = onCloudOrHybridParams as ModelParams;
+  }
+
+  if (!onCloudParams.model) {
     throw new VertexAIError(
       VertexAIErrorCode.NO_MODEL,
       `Must provide a model name. Example: getGenerativeModel({ model: 'my-model-name' })`
     );
   }
-  return new GenerativeModel(vertexAI, modelParams, requestOptions);
+  return new GenerativeModel(vertexAI, onCloudParams, requestOptions);
 }
 
 /**

packages/vertexai/src/types/language-model.ts

@@ -0,0 +1,84 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export interface LanguageModel extends EventTarget {
+  create(options?: LanguageModelCreateOptions): Promise<LanguageModel>;
+  availability(options?: LanguageModelCreateCoreOptions): Promise<Availability>;
+  prompt(
+    input: LanguageModelPrompt,
+    options?: LanguageModelPromptOptions
+  ): Promise<string>;
+  promptStreaming(
+    input: LanguageModelPrompt,
+    options?: LanguageModelPromptOptions
+  ): ReadableStream;
+  measureInputUsage(
+    input: LanguageModelPrompt,
+    options?: LanguageModelPromptOptions
+  ): Promise<number>;
+  destroy(): undefined;
+}
+enum Availability {
+  'unavailable',
+  'downloadable',
+  'downloading',
+  'available'
+}
+export interface LanguageModelCreateCoreOptions {
+  topK?: number;
+  temperature?: number;
+  expectedInputs?: LanguageModelExpectedInput[];
+}
+export interface LanguageModelCreateOptions
+  extends LanguageModelCreateCoreOptions {
+  signal?: AbortSignal;
+  systemPrompt?: string;
+  initialPrompts?: LanguageModelInitialPrompts;
+}
+interface LanguageModelPromptOptions {
+  signal?: AbortSignal;
+}
+interface LanguageModelExpectedInput {
+  type: LanguageModelMessageType;
+  languages?: string[];
+}
+type LanguageModelPrompt =
+  | LanguageModelMessage[]
+  | LanguageModelMessageShorthand[]
+  | string;
+type LanguageModelInitialPrompts =
+  | LanguageModelMessage[]
+  | LanguageModelMessageShorthand[];
+interface LanguageModelMessage {
+  role: LanguageModelMessageRole;
+  content: LanguageModelMessageContent[];
+}
+interface LanguageModelMessageShorthand {
+  role: LanguageModelMessageRole;
+  content: string;
+}
+interface LanguageModelMessageContent {
+  type: LanguageModelMessageType;
+  content: LanguageModelMessageContentValue;
+}
+type LanguageModelMessageRole = 'system' | 'user' | 'assistant';
+type LanguageModelMessageType = 'text' | 'image' | 'audio';
+type LanguageModelMessageContentValue =
+  | ImageBitmapSource
+  | AudioBuffer
+  | BufferSource
+  | string;

packages/vertexai/src/types/requests.ts

@@ -17,6 +17,7 @@
 
 import { TypedSchema } from '../requests/schema-builder';
 import { Content, Part } from './content';
+import { LanguageModelCreateOptions } from './language-model';
 import {
   FunctionCallingMode,
   HarmBlockMethod,
@@ -213,3 +214,21 @@ export interface FunctionCallingConfig {
   mode?: FunctionCallingMode;
   allowedFunctionNames?: string[];
 }
+
+/**
+ * Configures on-device and on-cloud inference.
+ * @public
+ */
+export interface HybridParams {
+  mode?: InferenceMode;
+  onDeviceParams?: LanguageModelCreateOptions;
+  onCloudParams?: ModelParams;
+}
+
+/**
+ * Determines whether inference happens on-device or in-cloud.
+ */
+export type InferenceMode =
+  | 'prefer_on_device'
+  | 'only_on_device'
+  | 'only_in_cloud';