mirror of
https://github.com/langchain-ai/langgraphjs.git
synced 2026-07-22 00:55:26 -04:00
Christian Bromann
b1d307ab84
## Summary - Add a `detect-changes` job to the browser test workflow using `dorny/paths-filter@v3.0.2`. - Run all four framework browser jobs when `libs/sdk/**` changes or when this workflow file changes. - Run only the matching job when `libs/sdk-react`, `libs/sdk-angular`, `libs/sdk-vue`, or `libs/sdk-svelte` changes. - Keep the full matrix on `workflow_dispatch` (manual runs and CI dispatched via workflow_dispatch).
@langchain/langgraph-checkpoint-sqlite
Implementation of a LangGraph.js CheckpointSaver that uses a SQLite DB.
Usage
import { SqliteSaver } from "@langchain/langgraph-checkpoint-sqlite";
const writeConfig = {
configurable: {
thread_id: "1",
checkpoint_ns: ""
}
};
const readConfig = {
configurable: {
thread_id: "1"
}
};
const checkpointer = SqliteSaver.fromConnString(":memory:");
const checkpoint = {
v: 1,
ts: "2024-07-31T20:14:19.804150+00:00",
id: "1ef4f797-8335-6428-8001-8a1503f9b875",
channel_values: {
my_key: "meow",
node: "node"
},
channel_versions: {
__start__: 2,
my_key: 3,
"start:node": 3,
node: 3
},
versions_seen: {
__input__: {},
__start__: {
__start__: 1
},
node: {
"start:node": 2
}
},
pending_sends: [],
}
// store checkpoint
await checkpointer.put(writeConfig, checkpoint, {}, {})
// load checkpoint
await checkpointer.get(readConfig)
// list checkpoints
for await (const checkpoint of checkpointer.list(readConfig)) {
console.log(checkpoint);
}