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ref: Use diagnostics channels for ai sdk wrapper #1675

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ref: Use diagnostics channels for ai sdk wrapper #1675

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e1e3adf
ref: Use diagnostics channels for ai sdk wrapper
lforst Mar 26, 2026
99a6525
fix
lforst Mar 26, 2026
2a23d0d
Merge branch 'main' into lforst/aisdk-channel-flow
lforst Mar 26, 2026
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5 changes: 3 additions & 2 deletions js/src/instrumentation/core/channel-tracing.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -568,20 +568,21 @@ export function traceSyncStreamChannel<TChannel extends AnySyncStreamChannel>(

const { span, startTime } = spanData;
const endEvent = event as EndOf<TChannel>;
const result = endEvent.result;

if (
config.patchResult?.({
channelName,
endEvent,
result: endEvent.result,
result,
span,
startTime,
})
) {
return;
}

const stream = endEvent.result;
const stream = result;

if (!isSyncStreamLike<ChunkOf<TChannel>>(stream)) {
span.end();
Expand Down
28 changes: 18 additions & 10 deletions js/src/instrumentation/plugins/ai-sdk-channels.ts
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Original file line number Diff line number Diff line change
@@ -1,16 +1,24 @@
import { channel, defineChannels } from "../core/channel-definitions";
import type { ChannelSpanInfo } from "../core/types";
import type {
AISDK,
AISDKCallParams,
AISDKResult,
} from "../../vendor-sdk-types/ai-sdk";

type AISDKStreamResult = AISDKResult | AsyncIterable<unknown>;
type AISDKChannelContext = {
aiSDK?: AISDK;
denyOutputPaths?: string[];
self?: unknown;
span_info?: ChannelSpanInfo;
};

export const aiSDKChannels = defineChannels("ai", {
generateText: channel<
[AISDKCallParams],
AISDKStreamResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "generateText",
Expand All @@ -19,7 +27,7 @@ export const aiSDKChannels = defineChannels("ai", {
streamText: channel<
[AISDKCallParams],
AISDKStreamResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "streamText",
Expand All @@ -28,7 +36,7 @@ export const aiSDKChannels = defineChannels("ai", {
streamTextSync: channel<
[AISDKCallParams],
AISDKResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "streamText.sync",
Expand All @@ -37,7 +45,7 @@ export const aiSDKChannels = defineChannels("ai", {
generateObject: channel<
[AISDKCallParams],
AISDKStreamResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "generateObject",
Expand All @@ -46,7 +54,7 @@ export const aiSDKChannels = defineChannels("ai", {
streamObject: channel<
[AISDKCallParams],
AISDKStreamResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "streamObject",
Expand All @@ -55,7 +63,7 @@ export const aiSDKChannels = defineChannels("ai", {
streamObjectSync: channel<
[AISDKCallParams],
AISDKResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "streamObject.sync",
Expand All @@ -64,7 +72,7 @@ export const aiSDKChannels = defineChannels("ai", {
agentGenerate: channel<
[AISDKCallParams],
AISDKStreamResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "Agent.generate",
Expand All @@ -73,7 +81,7 @@ export const aiSDKChannels = defineChannels("ai", {
agentStream: channel<
[AISDKCallParams],
AISDKStreamResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "Agent.stream",
Expand All @@ -82,7 +90,7 @@ export const aiSDKChannels = defineChannels("ai", {
toolLoopAgentGenerate: channel<
[AISDKCallParams],
AISDKStreamResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "ToolLoopAgent.generate",
Expand All @@ -91,7 +99,7 @@ export const aiSDKChannels = defineChannels("ai", {
toolLoopAgentStream: channel<
[AISDKCallParams],
AISDKStreamResult,
Record<string, never>,
AISDKChannelContext,
unknown
>({
channelName: "ToolLoopAgent.stream",
Expand Down
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