docs(js): update required semver ranges

This commit is contained in:
Tat Dat Duong
2025-04-24 12:37:26 +02:00
parent 0ff913c50b
commit 3db9bf325c
+15 -12
View File
@@ -40,6 +40,14 @@ Example `package.json` file:
}
```
When deploying your app, the dependencies will be installed using the package manager of your choice, provided they adhere to the compatible version ranges listed below:
```
"@langchain/core": "^0.3.42",
"@langchain/langgraph": "^0.2.57",
"@langchain/langgraph-checkpoint": "^0.0.16",
```
Example file directory:
```bash
@@ -82,14 +90,10 @@ import { ChatOpenAI } from "@langchain/openai";
import { MessagesAnnotation, StateGraph } from "@langchain/langgraph";
import { ToolNode } from "@langchain/langgraph/prebuilt";
const tools = [
new TavilySearchResults({ maxResults: 3, }),
];
const tools = [new TavilySearchResults({ maxResults: 3 })];
// Define the function that calls the model
async function callModel(
state: typeof MessagesAnnotation.State,
) {
async function callModel(state: typeof MessagesAnnotation.State) {
/**
* Call the LLM powering our agent.
* Feel free to customize the prompt, model, and other logic!
@@ -101,9 +105,9 @@ async function callModel(
const response = await model.invoke([
{
role: "system",
content: `You are a helpful assistant. The current date is ${new Date().getTime()}.`
content: `You are a helpful assistant. The current date is ${new Date().getTime()}.`,
},
...state.messages
...state.messages,
]);
// MessagesAnnotation supports returning a single message or array of messages
@@ -141,10 +145,7 @@ const workflow = new StateGraph(MessagesAnnotation)
routeModelOutput,
// List of the possible destinations the conditional edge can route to.
// Required for conditional edges to properly render the graph in Studio
[
"tools",
"__end__"
],
["tools", "__end__"]
)
// This means that after `tools` is called, `callModel` node is called next.
.addEdge("tools", "callModel");
@@ -155,6 +156,7 @@ export const graph = workflow.compile();
```
!!! info "Assign `CompiledGraph` to Variable"
The build process for LangGraph Cloud requires that the `CompiledGraph` object be assigned to a variable at the top-level of a JavaScript module (alternatively, you can provide [a function that creates a graph](./graph_rebuild.md)).
Example file directory:
@@ -193,6 +195,7 @@ Example `langgraph.json` file:
Note that the variable name of the `CompiledGraph` appears at the end of the value of each subkey in the top-level `graphs` key (i.e. `:<variable_name>`).
!!! info "Configuration Location"
The LangGraph API configuration file must be placed in a directory that is at the same level or higher than the TypeScript files that contain compiled graphs and associated dependencies.
## Next