duplicate error message so it can get mangled

Author: EskiMojo14

packages/toolkit/src/query/createApi.ts

@@ -356,14 +356,17 @@ export function buildCreateApi<Modules extends [Module<any>, ...Module<any>[]]>(
           inject.overrideExisting !== true &&
           endpointName in context.endpointDefinitions
         ) {
-          const errorMessage = `called \`injectEndpoints\` to override already-existing endpointName ${endpointName} without specifying \`overrideExisting: true\``
           if (inject.overrideExisting === 'throw') {
-            throw new Error(errorMessage)
+            throw new Error(
+              `called \`injectEndpoints\` to override already-existing endpointName ${endpointName} without specifying \`overrideExisting: true\``,
+            )
           } else if (
             typeof process !== 'undefined' &&
             process.env.NODE_ENV === 'development'
           ) {
-            console.error(errorMessage)
+            console.error(
+              `called \`injectEndpoints\` to override already-existing endpointName ${endpointName} without specifying \`overrideExisting: true\``,
+            )
           }
 
           continue