chore: typo

Author: kuhe

packages/middleware-http-debug-log/src/getMiddlewareTimerPlugin.ts

@@ -12,7 +12,7 @@ import {
  * This plugin logs or records the timings of the middleware named in options.middlewareNames.
  *
  * @param options.middlewareNames - names of the middleware to measure.
- * @param options.storage - a container for the data. If non is provided, metrics will be logged to console.
+ * @param options.storage - a container for the data. If none is provided, metrics will be logged to console.
  *
  * @beta
  */
@@ -22,16 +22,16 @@ export function getMiddlewareTimerPlugin(
     storage?: Record<string, number[]>;
   } = {}
 ) {
+  const middlewareNames =
+    options.middlewareNames ??
+    (["serializerMiddleware", "deserializerMiddleware", "httpSigningMiddleware", "retryMiddleware"] as string[]);
+
   return {
     applyToStack(middlewareStack: MiddlewareStack<any, any>) {
-      const middlewareNames =
-        options.middlewareNames ??
-        (["serializerMiddleware", "deserializerMiddleware", "httpSigningMiddleware", "retryMiddleware"] as string[]);
       for (const mw of middlewareNames) {
         middlewareStack.addRelativeTo(
           (next: SerializeHandler<any, any>, context: HandlerExecutionContext) =>
             async (args: SerializeHandlerArguments<any>) => {
-              context.middlewareTimings[mw] = context.middlewareTimings[mw] ?? ({} as Record<string, number>);
               context.middlewareTimings[mw].leaderPreNext = performance.now();
               const handlerOutput = await next(args);
               context.middlewareTimings[mw].leaderPostNext = performance.now();
@@ -48,11 +48,10 @@ export function getMiddlewareTimerPlugin(
         middlewareStack.addRelativeTo(
           (next: SerializeHandler<any, any>, context: HandlerExecutionContext) =>
             async (args: SerializeHandlerArguments<any>) => {
-              context.middlewareTimings[mw] = context.middlewareTimings[mw] ?? ({} as Record<string, number>);
               context.middlewareTimings[mw].trailerPreNext = performance.now();
-              const r = await next(args);
+              const handlerOutput = await next(args);
               context.middlewareTimings[mw].trailerPostNext = performance.now();
-              return r;
+              return handlerOutput;
             },
           {
             name: mw + "-after",
@@ -67,6 +66,10 @@ export function getMiddlewareTimerPlugin(
         (next: InitializeHandler<any, any>, context: HandlerExecutionContext) =>
           async (args: InitializeHandlerArguments<any>) => {
             context.middlewareTimings = context.middlewareTimings ?? ({} as Record<string, Record<string, number>>);
+            for (const mw of middlewareNames) {
+              context.middlewareTimings[mw] = {} as Record<string, number>;
+            }
+
             const handlerOutput = await next(args);
 
             for (const [mw, timings] of Object.entries(