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Improve SSE endpoint sessionId parameter handling #177

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Merged
merged 4 commits into from
Apr 9, 2025
Merged

Improve SSE endpoint sessionId parameter handling #177

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dad9eaf
Improve SSE endpoint sessionId parameter handling
akazwz Mar 9, 2025
389088e
Improve URL parameter handling in SSE using URL/URLSearchParams APIs
akazwz Apr 8, 2025
84447c2
Add tests for SSE server transport endpoint handling
akazwz Apr 9, 2025
976ff74
Replace type casting with direct sessionId property access in SSE tests
akazwz Apr 9, 2025
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11 changes: 10 additions & 1 deletion src/server/sse.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,17 @@ export class SSEServerTransport implements Transport {
});

// Send the endpoint event
/**
* Determine the appropriate separator for adding the sessionId parameter.
* Uses '&' if the endpoint already contains a query parameter (has a '?'),
* otherwise uses '?' to start the query string.
*
* Note: This approach works for standard endpoints but doesn't handle
* the edge case where '?' might be part of the path itself.
*/
const separator = this._endpoint.includes('?') ? '&' : '?';
this.res.write(
`event: endpoint\ndata: ${encodeURI(this._endpoint)}?sessionId=${this._sessionId}\n\n`,
`event: endpoint\ndata: ${encodeURI(this._endpoint)}${separator}sessionId=${this._sessionId}\n\n`,
);

this._sseResponse = this.res;
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