memory.ts•1.11 kB
/**
* 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.
*/
import type { MessageData } from 'genkit';
const chatHistory: Record<string, MessageData[]> = {};
export interface HistoryStore {
load(id: string): Promise<MessageData[] | undefined>;
save(id: string, history: MessageData[]): Promise<void>;
}
export function inMemoryStore(): HistoryStore {
return {
async load(id: string): Promise<MessageData[] | undefined> {
return chatHistory[id];
},
async save(id: string, history: MessageData[]) {
chatHistory[id] = history;
},
};
}