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author | Elizabeth Hunt <me@liz.coffee> | 2025-06-20 14:53:38 -0700 |
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committer | Elizabeth Hunt <me@liz.coffee> | 2025-06-20 14:53:38 -0700 |
commit | d4791f3d357634daf506fb8f91cc5332a794c421 (patch) | |
tree | 1bb01d2d4d8fa74d83bb6f99f2c8aa4146ca2d11 /u/server/filter/json.ts | |
parent | d7e8d31c94cd713a2f4cf799e20e993acc69e361 (diff) | |
download | ci-d4791f3d357634daf506fb8f91cc5332a794c421.tar.gz ci-d4791f3d357634daf506fb8f91cc5332a794c421.zip |
Move to nodejs
Diffstat (limited to 'u/server/filter/json.ts')
-rw-r--r-- | u/server/filter/json.ts | 92 |
1 files changed, 44 insertions, 48 deletions
diff --git a/u/server/filter/json.ts b/u/server/filter/json.ts index 145d1be..527d483 100644 --- a/u/server/filter/json.ts +++ b/u/server/filter/json.ts @@ -1,54 +1,50 @@ import { - Either, - type IEither, - type ITraceable, - LogLevel, - Metric, - PenguenoError, - type PenguenoRequest, - type RequestFilter, - type ServerTrace, - TraceUtil, -} from "@emprespresso/pengueno"; + 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>; + (json: ITraceable<ParsedJson, ServerTrace>): IEither<PenguenoError, R>; } -const ParseJsonMetric = Metric.fromName("JsonParse"); +const ParseJsonMetric = Metric.fromName('JsonParse'); export const jsonModel = - <MessageT>( - jsonTransformer: JsonTransformer<MessageT>, - ): RequestFilter<MessageT> => - (r: ITraceable<PenguenoRequest, ServerTrace>) => - r - .bimap(TraceUtil.withFunctionTrace(jsonModel)) - .bimap(TraceUtil.withMetricTrace(ParseJsonMetric)) - .map((j) => - Either.fromFailableAsync<Error, MessageT>(() => j.get().json()).then( - (either) => - either.mapLeft((errReason) => { - j.trace.addTrace(LogLevel.WARN).trace(errReason); - return new PenguenoError( - "seems to be invalid JSON (>//<) can you fix?", - 400, - ); - }), - ), - ) - .peek( - TraceUtil.promiseify((traceableEither) => - traceableEither.get().fold(({ isLeft }) => - traceableEither.trace.trace(ParseJsonMetric[isLeft ? "failure" : "success"]) - ), - ), - ) - .map( - TraceUtil.promiseify((traceableEitherJson) => - traceableEitherJson - .get() - .mapRight((j) => traceableEitherJson.move(j)) - .flatMap(jsonTransformer), - ), - ) - .get(); + <MessageT>(jsonTransformer: JsonTransformer<MessageT>): RequestFilter<MessageT> => + (r: ITraceable<PenguenoRequest, ServerTrace>) => + r + .bimap(TraceUtil.withFunctionTrace(jsonModel)) + .bimap(TraceUtil.withMetricTrace(ParseJsonMetric)) + .map((j) => + Either.fromFailableAsync<Error, MessageT>(<Promise<MessageT>>j.get().json()).then((either) => + either.mapLeft((errReason) => { + j.trace.addTrace(LogLevel.WARN).trace(errReason); + return new PenguenoError('seems to be invalid JSON (>//<) can you fix?', 400); + }), + ), + ) + .peek( + TraceUtil.promiseify((traceableEither) => + traceableEither + .get() + .fold(({ isLeft }) => + traceableEither.trace.trace(ParseJsonMetric[isLeft ? 'failure' : 'success']), + ), + ), + ) + .map( + TraceUtil.promiseify((traceableEitherJson) => + traceableEitherJson + .get() + .mapRight((j) => traceableEitherJson.move(j)) + .flatMap(jsonTransformer), + ), + ) + .get(); |