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Merge pull request #1548 from richardpringle/master 

Prevent mutation of default headers
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Michael Lumish 2020-08-19 09:55:09 -07:00 committed by GitHub
parent 68b0609feb 917b4fca77
commit c0b80a3593
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1 changed files with 1 additions and 1 deletions
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packages/grpc-js/src/server-call.ts
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@ -425,7 +425,7 @@ export class Http2ServerCallStream<
this.metadataSent = true;
const custom = customMetadata ? customMetadata.toHttp2Headers() : null;
// TODO(cjihrig): Include compression headers.
const headers = Object.assign(defaultResponseHeaders, custom);
const headers = Object.assign({}, defaultResponseHeaders, custom);
this.stream.respond(headers, defaultResponseOptions);
}