fix: Avoid shared decorator data.

Author: ShogunPanda

lib/index.js

@@ -31,10 +31,13 @@ exports.plugin = fastify_plugin_1.default(function (instance, options, done) {
     const convertValidationErrors = (_b = options.convertValidationErrors) !== null && _b !== void 0 ? _b : true;
     const convertResponsesValidationErrors = (_c = options.convertResponsesValidationErrors) !== null && _c !== void 0 ? _c : !isProduction;
     const allowUndeclaredResponses = (_d = options.allowUndeclaredResponses) !== null && _d !== void 0 ? _d : false;
-    instance.decorateRequest(interfaces_1.kHttpErrorsEnhancedProperties, {
-        hideUnhandledErrors,
-        convertValidationErrors,
-        allowUndeclaredResponses
+    instance.decorateRequest(interfaces_1.kHttpErrorsEnhancedProperties, null);
+    instance.addHook('onRequest', async (request) => {
+        request[interfaces_1.kHttpErrorsEnhancedProperties] = {
+            hideUnhandledErrors,
+            convertValidationErrors,
+            allowUndeclaredResponses
+        };
     });
     instance.setErrorHandler(handlers_1.handleErrors);
     instance.setNotFoundHandler(handlers_1.handleNotFoundError);

src/index.ts

@@ -1,4 +1,4 @@
-import { FastifyError, FastifyInstance, FastifyPluginOptions } from 'fastify'
+import { FastifyError, FastifyInstance, FastifyPluginOptions, FastifyRequest } from 'fastify'
 import fastifyPlugin from 'fastify-plugin'
 import { handleErrors, handleNotFoundError } from './handlers'
 import { kHttpErrorsEnhancedProperties, kHttpErrorsEnhancedResponseValidations } from './interfaces'
@@ -16,11 +16,16 @@ export const plugin = fastifyPlugin(
     const convertResponsesValidationErrors = options.convertResponsesValidationErrors ?? !isProduction
     const allowUndeclaredResponses = options.allowUndeclaredResponses ?? false
 
-    instance.decorateRequest(kHttpErrorsEnhancedProperties, {
-      hideUnhandledErrors,
-      convertValidationErrors,
-      allowUndeclaredResponses
+    instance.decorateRequest(kHttpErrorsEnhancedProperties, null)
+
+    instance.addHook('onRequest', async (request: FastifyRequest) => {
+      request[kHttpErrorsEnhancedProperties] = {
+        hideUnhandledErrors,
+        convertValidationErrors,
+        allowUndeclaredResponses
+      }
     })
+
     instance.setErrorHandler(handleErrors)
     instance.setNotFoundHandler(handleNotFoundError)