"functional component" -> "function component" (#14123)

packages/create-subscription/README.md

@@ -81,7 +81,7 @@ import React from "react";
 import { createSubscription } from "create-subscription";
 
 // Start with a simple component.
-// In this case, it's a functional component, but it could have been a class.
+// In this case, it's a function component, but it could have been a class.
 function FollowerComponent({ followersCount }) {
   return <div>You have {followersCount} followers!</div>;
 }
@@ -164,7 +164,7 @@ function LoadingComponent({ loadingStatus }) {
   }
 }
 
-// Wrap the functional component with a subscriber HOC.
+// Wrap the function component with a subscriber HOC.
 // This HOC will manage subscriptions and pass values to the decorated component.
 // It will add and remove subscriptions in an async-safe way when props change.
 const PromiseSubscription = createSubscription({

packages/eslint-plugin-react-hooks/src/RulesOfHooks.js

@@ -282,12 +282,12 @@ export default {
         // Gets the function name for our code path. If the function name is
         // `undefined` then we know either that we have an anonymous function
         // expression or our code path is not in a function. In both cases we
-        // will want to error since neither are React functional components or
+        // will want to error since neither are React function components or
         // hook functions.
         const codePathFunctionName = getFunctionName(codePathNode);
 
         // This is a valid code path for React hooks if we are direcly in a React
-        // functional component or we are in a hook function.
+        // function component or we are in a hook function.
         const isSomewhereInsideComponentOrHook = isInsideComponentOrHook(
           codePathNode,
         );

packages/react-dom/src/__tests__/ReactDOMServerIntegrationSpecialTypes-test.js

@@ -83,7 +83,7 @@ describe('ReactDOMServerIntegration', () => {
     expect(div.textContent).toBe('Test');
   });
 
-  describe('memoized functional components', () => {
+  describe('memoized function components', () => {
     beforeEach(() => {
       resetModules();
     });