From 7aa11b7a8abacf81dec20fff21216df35d333756 Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <me@liz.coffee>
Date: Sun, 27 Jul 2025 18:50:33 -0700
Subject: Pulls in pengueno from npm

---
 u/server/filter/index.ts  | 34 ----------------------------------
 u/server/filter/json.ts   | 42 ------------------------------------------
 u/server/filter/method.ts | 30 ------------------------------
 3 files changed, 106 deletions(-)
 delete mode 100644 u/server/filter/index.ts
 delete mode 100644 u/server/filter/json.ts
 delete mode 100644 u/server/filter/method.ts

(limited to 'u/server/filter')

diff --git a/u/server/filter/index.ts b/u/server/filter/index.ts
deleted file mode 100644
index 75168c7..0000000
--- a/u/server/filter/index.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-import {
-    type IEither,
-    type ITraceable,
-    LogLevel,
-    type PenguenoRequest,
-    type ServerTrace,
-} from '@emprespresso/pengueno';
-
-export enum ErrorSource {
-    USER = LogLevel.WARN,
-    SYSTEM = LogLevel.ERROR,
-}
-
-export class PenguenoError extends Error {
-    public readonly source: ErrorSource;
-    constructor(
-        override readonly message: string,
-        public readonly status: number,
-    ) {
-        super(message);
-        this.source = Math.floor(status / 100) === 4 ? ErrorSource.USER : ErrorSource.SYSTEM;
-    }
-}
-
-export interface RequestFilter<
-    T,
-    Err extends PenguenoError = PenguenoError,
-    RIn = ITraceable<PenguenoRequest, ServerTrace>,
-> {
-    (req: RIn): IEither<Err, T> | Promise<IEither<Err, T>>;
-}
-
-export * from './method.js';
-export * from './json.js';
diff --git a/u/server/filter/json.ts b/u/server/filter/json.ts
deleted file mode 100644
index bc53d47..0000000
--- a/u/server/filter/json.ts
+++ /dev/null
@@ -1,42 +0,0 @@
-import {
-    Either,
-    type IEither,
-    type ITraceable,
-    LogLevel,
-    Metric,
-    PenguenoError,
-    type PenguenoRequest,
-    type RequestFilter,
-    type ServerTrace,
-    TraceUtil,
-} from '@emprespresso/pengueno';
-
-export interface JsonTransformer<R, ParsedJson = unknown> {
-    (json: ITraceable<ParsedJson, ServerTrace>): IEither<PenguenoError, R>;
-}
-
-const ParseJsonMetric = Metric.fromName('JsonParse').asResult();
-export const jsonModel =
-    <MessageT>(jsonTransformer: JsonTransformer<MessageT>): RequestFilter<MessageT> =>
-    (r: ITraceable<PenguenoRequest, ServerTrace>) =>
-        r
-            .flatMap(TraceUtil.withFunctionTrace(jsonModel))
-            .flatMap(TraceUtil.withMetricTrace(ParseJsonMetric))
-            .map((j) =>
-                Either.fromFailableAsync<Error, MessageT>(<Promise<MessageT>>j.get().req.json()).then((either) =>
-                    either.mapLeft((errReason) => {
-                        j.trace.traceScope(LogLevel.WARN).trace(errReason);
-                        return new PenguenoError('seems to be invalid JSON (>//<) can you fix?', 400);
-                    }),
-                ),
-            )
-            .flatMapAsync(TraceUtil.promiseify(TraceUtil.traceResultingEither(ParseJsonMetric)))
-            .map(
-                TraceUtil.promiseify((traceableEitherJson) =>
-                    traceableEitherJson
-                        .get()
-                        .mapRight((j) => traceableEitherJson.move(j))
-                        .flatMap(jsonTransformer),
-                ),
-            )
-            .get();
diff --git a/u/server/filter/method.ts b/u/server/filter/method.ts
deleted file mode 100644
index 7d6aa76..0000000
--- a/u/server/filter/method.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-import {
-    Either,
-    HttpMethod,
-    IEither,
-    type ITraceable,
-    LogLevel,
-    PenguenoError,
-    type PenguenoRequest,
-    type RequestFilter,
-    type ServerTrace,
-    TraceUtil,
-} from '@emprespresso/pengueno';
-
-export const requireMethod =
-    (methods: Array<HttpMethod>): RequestFilter<HttpMethod> =>
-    (req: ITraceable<PenguenoRequest, ServerTrace>) =>
-        req
-            .flatMap(TraceUtil.withFunctionTrace(requireMethod))
-            .map((t): IEither<PenguenoError, HttpMethod> => {
-                const {
-                    req: { method },
-                } = t.get();
-                if (!methods.includes(method)) {
-                    const msg = "that's not how you pet me (⋟﹏⋞)~";
-                    t.trace.traceScope(LogLevel.WARN).trace(msg);
-                    return Either.left(new PenguenoError(msg, 405));
-                }
-                return Either.right(method);
-            })
-            .get();
-- 
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