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feat(NODE-7441): add ChangeStream.bufferedCount #4870

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feat(NODE-7441): add ChangeStream.bufferedCount #4870

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5 changes: 5 additions & 0 deletions src/change_stream.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -705,6 +705,11 @@ export class ChangeStream<
return this.cursor?.resumeToken;
}

/** Returns the currently buffered documents length of the underlying cursor. */
get bufferedCount(): number | undefined {
return this.cursor?.bufferedCount();
}

/** Check if there is any document still available in the Change Stream */
async hasNext(): Promise<boolean> {
this._setIsIterator();
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