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Prevent mutation of default headers

This commit is contained in:
Richard Pringle 2020-08-19 10:24:20 -04:00
parent a2f2f448b3
commit 917b4fca77
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1 changed files with 1 additions and 1 deletions
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2
packages/grpc-js/src/server-call.ts
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@ -413,7 +413,7 @@ 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);
}