apunkt/trustgraph
1
0
Fork 0
mirror of https://github.com/trustgraph-ai/trustgraph.git synced 2026-07-01 01:19:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Map NATS boundary failures to tagged errors

Browse source
This commit is contained in:
elpresidank 2026-06-02 05:44:21 -05:00
parent 18b27aeba7
commit 00a26b7deb
3 changed files with 207 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

49
ts/packages/base/src/backend/nats.ts
View file

@ -14,7 +14,9 @@ import {
type JetStreamClient,
type JetStreamManager,
type Consumer as NatsJsConsumer,
headers,
type JsMsg,
type JetStreamPublishOptions,
StringCodec,
AckPolicy,
DeliverPolicy,
@ -78,6 +80,25 @@ function makeNatsProducer<T>(
subject: string,
schema?: S.Codec<T, unknown>,
): BackendProducer<T> {
const makePublishOptions = (
properties: Record<string, string> | undefined,
): Effect.Effect<Partial<JetStreamPublishOptions>, ReturnType<typeof pubSubError>> => {
if (properties === undefined || Object.keys(properties).length === 0) {
return Effect.succeed({});
}
return Effect.try({
try: () => {
const hdrs = headers();
for (const [key, val] of Object.entries(properties)) {
hdrs.append(key, val);
}
return { headers: hdrs };
},
catch: (error) => pubSubError(`headers:${subject}`, error),
});
};
return {
send: (message, properties) =>
Effect.runPromise(
@ -91,19 +112,7 @@ function makeNatsProducer<T>(
Effect.mapError((error) => pubSubError(`encode-json:${subject}`, error)),
);
const data = sc.encode(json);
const opts: Record<string, unknown> = {};
if (properties !== undefined && Object.keys(properties).length > 0) {
const { headers } = yield* Effect.tryPromise({
try: () => import("nats"),
catch: (error) => pubSubError("import:nats-headers", error),
});
const hdrs = headers();
for (const [key, val] of Object.entries(properties)) {
hdrs.append(key, val);
}
opts.headers = hdrs;
}
const opts = yield* makePublishOptions(properties);
yield* Effect.tryPromise({
try: () => js.publish(subject, data, opts),
@ -204,8 +213,11 @@ function makeNatsConsumer<T>(
if (!isNatsMessage(message)) {
return yield* pubSubError(`acknowledge:${subject}`, "Message was not produced by NATS backend");
}
yield* Effect.sync(() => {
message._jsMsg.ack();
yield* Effect.try({
try: () => {
message._jsMsg.ack();
},
catch: (error) => pubSubError(`acknowledge:${subject}`, error),
});
}),
),
@ -218,8 +230,11 @@ function makeNatsConsumer<T>(
"Message was not produced by NATS backend",
);
}
yield* Effect.sync(() => {
message._jsMsg.nak();
yield* Effect.try({
try: () => {
message._jsMsg.nak();
},
catch: (error) => pubSubError(`negative-acknowledge:${subject}`, error),
});
}),
),