Merge pull request #763 from anthropics/release-please--branches--main--changes--next

chore: release main

Author: kevinc13

.release-please-manifest.json

@@ -1,5 +1,5 @@
 {
-  ".": "0.50.3",
+  ".": "0.50.4",
   "packages/vertex-sdk": "0.11.2",
   "packages/bedrock-sdk": "0.21.2"
 }

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.50.4 (2025-05-12)
+
+Full Changelog: [sdk-v0.50.3...sdk-v0.50.4](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.50.3...sdk-v0.50.4)
+
+### Bug Fixes
+
+* **stream:** correctly accumulate usage ([c55b4f0](https://github.com/anthropics/anthropic-sdk-typescript/commit/c55b4f01cdd545faf93d6f463caef6f6c5839f07))
+
 ## 0.50.3 (2025-05-09)
 
 Full Changelog: [sdk-v0.50.2...sdk-v0.50.3](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.50.2...sdk-v0.50.3)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@anthropic-ai/sdk",
-  "version": "0.50.3",
+  "version": "0.50.4",
   "description": "The official TypeScript library for the Anthropic API",
   "author": "Anthropic <[email protected]>",
   "types": "dist/index.d.ts",

packages/bedrock-sdk/yarn.lock

@@ -17,7 +17,7 @@
 
 "@anthropic-ai/sdk@file:../../dist":
   # x-release-please-start-version
-  version "0.50.3"
+  version "0.50.4"
   # x-release-please-end-version
 
 "@aws-crypto/[email protected]":

packages/vertex-sdk/yarn.lock

@@ -17,7 +17,7 @@
 
 "@anthropic-ai/sdk@file:../../dist":
   # x-release-please-start-version
-  version "0.50.3"
+  version "0.50.4"
   # x-release-please-end-version
 
 "@babel/code-frame@^7.0.0", "@babel/code-frame@^7.12.13", "@babel/code-frame@^7.22.13", "@babel/code-frame@^7.23.5":

src/lib/BetaMessageStream.ts

@@ -532,13 +532,21 @@ export class BetaMessageStream implements AsyncIterable<BetaMessageStreamEvent>
         snapshot.stop_sequence = event.delta.stop_sequence;
         snapshot.usage.output_tokens = event.usage.output_tokens;
 
-        // Update other usage fields if they exist in the event
-        if (event.usage.input_tokens) {
+        if (event.usage.input_tokens != null) {
           snapshot.usage.input_tokens = event.usage.input_tokens;
         }
-        snapshot.usage.cache_creation_input_tokens = event.usage.cache_creation_input_tokens;
-        snapshot.usage.cache_read_input_tokens = event.usage.cache_read_input_tokens;
-        snapshot.usage.server_tool_use = event.usage.server_tool_use;
+
+        if (event.usage.cache_creation_input_tokens != null) {
+          snapshot.usage.cache_creation_input_tokens = event.usage.cache_creation_input_tokens;
+        }
+
+        if (event.usage.cache_read_input_tokens != null) {
+          snapshot.usage.cache_read_input_tokens = event.usage.cache_read_input_tokens;
+        }
+
+        if (event.usage.server_tool_use != null) {
+          snapshot.usage.server_tool_use = event.usage.server_tool_use;
+        }
 
         return snapshot;
       case 'content_block_start':

src/lib/MessageStream.ts

@@ -533,12 +533,21 @@ export class MessageStream implements AsyncIterable<MessageStreamEvent> {
         snapshot.usage.output_tokens = event.usage.output_tokens;
 
         // Update other usage fields if they exist in the event
-        if (event.usage.input_tokens) {
+        if (event.usage.input_tokens != null) {
           snapshot.usage.input_tokens = event.usage.input_tokens;
         }
-        snapshot.usage.cache_creation_input_tokens = event.usage.cache_creation_input_tokens;
-        snapshot.usage.cache_read_input_tokens = event.usage.cache_read_input_tokens;
-        snapshot.usage.server_tool_use = event.usage.server_tool_use;
+
+        if (event.usage.cache_creation_input_tokens != null) {
+          snapshot.usage.cache_creation_input_tokens = event.usage.cache_creation_input_tokens;
+        }
+
+        if (event.usage.cache_read_input_tokens != null) {
+          snapshot.usage.cache_read_input_tokens = event.usage.cache_read_input_tokens;
+        }
+
+        if (event.usage.server_tool_use != null) {
+          snapshot.usage.server_tool_use = event.usage.server_tool_use;
+        }
 
         return snapshot;
       case 'content_block_start':

src/version.ts

@@ -1 +1 @@
-export const VERSION = '0.50.3'; // x-release-please-version
+export const VERSION = '0.50.4'; // x-release-please-version