fix(core): refine HttpError.status property type

src/context.ts

@@ -17,6 +17,7 @@ import {
 import { DEV_ERROR_OVERLAY_URL } from "./constants.ts";
 import { BUILD_ID } from "./runtime/build_id.ts";
 import { tracer } from "./otel.ts";
+import type { HttpError } from "./error.ts";
 
 export interface Island {
   file: string | URL;
@@ -43,7 +44,7 @@ export interface FreshContext<State = unknown> {
    */
   readonly url: URL;
   readonly params: Record<string, string>;
-  readonly error: unknown;
+  readonly error: HttpError | null;
   readonly info: Deno.ServeHandlerInfo;
   /**
    * Return a redirect response to the specified path. This is the
@@ -96,7 +97,7 @@ export class FreshReqContext<State>
   params: Record<string, string>;
   state: State = {} as State;
   data: unknown = undefined;
-  error: unknown | null = null;
+  error: HttpError | null = null;
   info: Deno.ServeHandlerInfo | Deno.ServeHandlerInfo;
 
   next: FreshContext<State>["next"];

src/error.ts

@@ -1,4 +1,6 @@
-import { STATUS_TEXT } from "@std/http/status";
+import { type ErrorStatus, STATUS_TEXT } from "@std/http/status";
+
+export type { ErrorStatus };
 
 /**
  * Error that's thrown when a request fails. Correlates to a
@@ -54,7 +56,7 @@ export class HttpError extends Error {
    * }
    * ```
    */
-  status: number;
+  status: ErrorStatus;
 
   /**
    * Constructs a new instance.
@@ -65,7 +67,7 @@ export class HttpError extends Error {
    * @param options Optional error options.
    */
   constructor(
-    status: keyof typeof STATUS_TEXT,
+    status: ErrorStatus,
     message: string = STATUS_TEXT[status],
     options?: ErrorOptions,
   ) {

src/middlewares/mod.ts

@@ -1,6 +1,7 @@
 import type { FreshContext, FreshReqContext } from "../context.ts";
 import type { App as _App } from "../app.ts";
 import type { Define as _Define } from "../define.ts";
+import type { HttpError } from "../error.ts";
 
 /**
  * A middleware function is the basic building block of Fresh. It allows you
@@ -98,7 +99,7 @@ export function runMiddlewares<State>(
         try {
           return await next(ctx);
         } catch (err) {
-          ctx.error = err;
+          ctx.error = err as HttpError;
           throw err;
         }
       };

src/plugins/fs_routes/mod.ts

@@ -339,7 +339,7 @@ function errorMiddleware<State>(
     try {
       return await ctx.next();
     } catch (err) {
-      (ctx as FreshReqContext<State>).error = err;
+      (ctx as FreshReqContext<State>).error = err as HttpError;
       return mid(ctx);
     }
   };