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feat: enable aborting run for langgraph platform based graphs #393

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feat: enable aborting run for langgraph platform based graphs #393

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9 changes: 8 additions & 1 deletion typescript-sdk/integrations/langgraph/src/agent.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,7 @@ export class LangGraphAgent extends AbstractAgent {
subscriber: Subscriber<ProcessedEvents>;
constantSchemaKeys: string[] = DEFAULT_SCHEMA_KEYS;
config: LangGraphAgentConfig;
abortController = new AbortController();

constructor(config: LangGraphAgentConfig) {
super(config);
Expand Down Expand Up @@ -160,6 +161,10 @@ export class LangGraphAgent extends AbstractAgent {
});
}

abortRun() {
this.abortController.abort();
}

async runAgentStream(input: RunAgentExtendedInput, subscriber: Subscriber<ProcessedEvents>) {
this.activeRun = {
id: input.runId,
Expand Down Expand Up @@ -213,6 +218,7 @@ export class LangGraphAgent extends AbstractAgent {
// @ts-ignore
checkpointId: fork.checkpoint.checkpoint_id!,
streamMode,
signal: this.abortController.signal,
};
return {
streamResponse: this.client.runs.stream(threadId, this.assistant.assistant_id, payload),
Expand Down Expand Up @@ -331,7 +337,8 @@ export class LangGraphAgent extends AbstractAgent {
context: {
...context,
...(payloadConfig?.configurable ?? {}),
}
},
signal: this.abortController.signal,
};

// If there are still outstanding unresolved interrupts, we must force resolution of them before moving forward
Expand Down
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