fix spelling mistakes

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

@@ -293,7 +293,7 @@ export default {
         // hook functions.
         const codePathFunctionName = getFunctionName(codePathNode);
 
-        // This is a valid code path for React hooks if we are direcly in a React
+        // This is a valid code path for React hooks if we are directly in a React
         // function component or we are in a hook function.
         const isSomewhereInsideComponentOrHook = isInsideComponentOrHook(
           codePathNode,
@@ -422,7 +422,7 @@ export default {
               // false positives due to feature flag checks. We're less
               // sensitive to them in classes because hooks would produce
               // runtime errors in classes anyway, and because a use*()
-              // call in a class, if it works, is unambigously *not* a hook.
+              // call in a class, if it works, is unambiguously *not* a hook.
             } else if (codePathFunctionName) {
               // Custom message if we found an invalid function name.
               const message =
@@ -476,7 +476,7 @@ export default {
 };
 
 /**
- * Gets tbe static name of a function AST node. For function declarations it is
+ * Gets the static name of a function AST node. For function declarations it is
  * easy. For anonymous function expressions it is much harder. If you search for
  * `IsAnonymousFunctionDefinition()` in the ECMAScript spec you'll find places
  * where JS gives anonymous function expressions names. We roughly detect the

packages/react-reconciler/src/ReactChildFiber.js

@@ -736,7 +736,7 @@ function ChildReconciler(shouldTrackSideEffects) {
     newChildren: Array<*>,
     expirationTime: ExpirationTime,
   ): Fiber | null {
-    // This algorithm can't optimize by searching from boths ends since we
+    // This algorithm can't optimize by searching from both ends since we
     // don't have backpointers on fibers. I'm trying to see how far we can get
     // with that model. If it ends up not being worth the tradeoffs, we can
     // add it later.

packages/react-reconciler/src/ReactFiberHooks.js

@@ -1009,7 +1009,7 @@ function updateMemo<T>(
 let shouldWarnForUnbatchedSetState = false;
 
 if (__DEV__) {
-  // jest isnt' a 'global', it's just exposed to tests via a wrapped function
+  // jest isn't a 'global', it's just exposed to tests via a wrapped function
   // further, this isn't a test file, so flow doesn't recognize the symbol. So...
   // $FlowExpectedError - because requirements don't give a damn about your type sigs.
   if ('undefined' !== typeof jest) {

packages/react-reconciler/src/ReactFiberScheduler.js

@@ -1455,7 +1455,7 @@ function renderRoot(root: FiberRoot, isYieldy: boolean): void {
       return;
     } else if (
       // There's no lower priority work, but we're rendering asynchronously.
-      // Synchronsouly attempt to render the same level one more time. This is
+      // Synchronously attempt to render the same level one more time. This is
       // similar to a suspend, but without a timeout because we're not waiting
       // for a promise to resolve.
       !root.didError &&

packages/react-reconciler/src/__tests__/ReactHooks-test.internal.js

@@ -352,7 +352,7 @@ describe('ReactHooks', () => {
     ]);
     expect(root).toMatchRenderedOutput('0 (light)');
 
-    // Updating the theme to the same value does't cause the consumers
+    // Updating the theme to the same value doesn't cause the consumers
     // to re-render.
     setTheme('light');
     expect(root).toFlushAndYield([]);

packages/react-reconciler/src/forks/ReactFiberErrorDialog.www.js

@@ -15,7 +15,7 @@ import invariant from 'shared/invariant';
 const ReactFiberErrorDialogWWW = require('ReactFiberErrorDialog');
 invariant(
   typeof ReactFiberErrorDialogWWW.showErrorDialog === 'function',
-  'Expected ReactFiberErrorDialog.showErrorDialog to existbe a function.',
+  'Expected ReactFiberErrorDialog.showErrorDialog to be a function.',
 );
 
 export function showErrorDialog(capturedError: CapturedError): boolean {

packages/scheduler/src/__tests__/SchedulerDOM-test.js

@@ -140,7 +140,7 @@ describe('SchedulerDOM', () => {
         expect(callbackLog).toEqual(['A', 'B']);
       });
 
-      it("accepts callbacks betweeen animationFrame and postMessage and doesn't stall", () => {
+      it("accepts callbacks between animationFrame and postMessage and doesn't stall", () => {
         const {unstable_scheduleCallback: scheduleCallback} = Scheduler;
         const callbackLog = [];
         const callbackA = jest.fn(() => callbackLog.push('A'));

packages/shared/invokeGuardedCallbackImpl.js

@@ -36,7 +36,7 @@ if (__DEV__) {
   // invokeGuardedCallback uses a try-catch, all user exceptions are treated
   // like caught exceptions, and the DevTools won't pause unless the developer
   // takes the extra step of enabling pause on caught exceptions. This is
-  // untintuitive, though, because even though React has caught the error, from
+  // unintuitive, though, because even though React has caught the error, from
   // the developer's perspective, the error is uncaught.
   //
   // To preserve the expected "Pause on exceptions" behavior, we don't use a