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fix(checkpoint): add support for options.filter in MemorySaver.list #583

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merged 1 commit into from
Oct 17, 2024
Merged

fix(checkpoint): add support for options.filter in MemorySaver.list #583

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12 changes: 11 additions & 1 deletion libs/checkpoint/src/memory.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -171,7 +171,7 @@ export class MemorySaver extends BaseCheckpointSaver {
options?: CheckpointListOptions
): AsyncGenerator<CheckpointTuple> {
// eslint-disable-next-line prefer-const
let { before, limit } = options ?? {};
let { before, limit, filter } = options ?? {};
const threadIds = config.configurable?.thread_id
? [config.configurable?.thread_id]
: Object.keys(this.storage);
Expand Down Expand Up @@ -209,6 +209,16 @@ export class MemorySaver extends BaseCheckpointSaver {
metadataStr
)) as CheckpointMetadata;

if (
filter &&
!Object.entries(filter).every(
([key, value]) =>
(metadata as unknown as Record<string, unknown>)[key] === value
)
) {
continue;
}

// Limit search results
if (limit !== undefined) {
if (limit <= 0) break;
Expand Down
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