use a different link in the UNSAFE_ component warnings (#16321)

When React detects a deprectated/unsafe lifecycle method, the warning points to a page with more details on the why/what of the warning. However, the actual link (https://fb.me/react-async-component-lifecycle-hooks) uses the phrase "lifecycle-hooks" which is confusing since it doesn't have anything to do with hooks. This PR changes the link to something less confusing - https://fb.me/react-unsafe-component-lifecycles.

Author: Sunil Pai

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

@@ -811,7 +811,7 @@ describe('ReactComponentLifeCycle', () => {
           '  UNSAFE_componentWillReceiveProps\n' +
           '  componentWillUpdate\n\n' +
           'The above lifecycles should be removed. Learn more about this warning here:\n' +
-          'https://fb.me/react-async-component-lifecycle-hooks',
+          'https://fb.me/react-unsafe-component-lifecycles',
         {withoutStack: true},
       );
     }).toLowPriorityWarnDev(
@@ -838,7 +838,7 @@ describe('ReactComponentLifeCycle', () => {
         'WillMount uses getDerivedStateFromProps() but also contains the following legacy lifecycles:\n' +
         '  UNSAFE_componentWillMount\n\n' +
         'The above lifecycles should be removed. Learn more about this warning here:\n' +
-        'https://fb.me/react-async-component-lifecycle-hooks',
+        'https://fb.me/react-unsafe-component-lifecycles',
       {withoutStack: true},
     );
 
@@ -863,7 +863,7 @@ describe('ReactComponentLifeCycle', () => {
           '  componentWillMount\n' +
           '  UNSAFE_componentWillUpdate\n\n' +
           'The above lifecycles should be removed. Learn more about this warning here:\n' +
-          'https://fb.me/react-async-component-lifecycle-hooks',
+          'https://fb.me/react-unsafe-component-lifecycles',
         {withoutStack: true},
       );
     }).toLowPriorityWarnDev(['componentWillMount has been renamed'], {
@@ -887,7 +887,7 @@ describe('ReactComponentLifeCycle', () => {
           'WillReceiveProps uses getDerivedStateFromProps() but also contains the following legacy lifecycles:\n' +
           '  componentWillReceiveProps\n\n' +
           'The above lifecycles should be removed. Learn more about this warning here:\n' +
-          'https://fb.me/react-async-component-lifecycle-hooks',
+          'https://fb.me/react-unsafe-component-lifecycles',
         {withoutStack: true},
       );
     }).toLowPriorityWarnDev(['componentWillReceiveProps has been renamed'], {
@@ -920,7 +920,7 @@ describe('ReactComponentLifeCycle', () => {
           '  UNSAFE_componentWillReceiveProps\n' +
           '  componentWillUpdate\n\n' +
           'The above lifecycles should be removed. Learn more about this warning here:\n' +
-          'https://fb.me/react-async-component-lifecycle-hooks',
+          'https://fb.me/react-unsafe-component-lifecycles',
         {withoutStack: true},
       );
     }).toLowPriorityWarnDev(
@@ -946,7 +946,7 @@ describe('ReactComponentLifeCycle', () => {
         'WillMount uses getSnapshotBeforeUpdate() but also contains the following legacy lifecycles:\n' +
         '  UNSAFE_componentWillMount\n\n' +
         'The above lifecycles should be removed. Learn more about this warning here:\n' +
-        'https://fb.me/react-async-component-lifecycle-hooks',
+        'https://fb.me/react-unsafe-component-lifecycles',
       {withoutStack: true},
     );
 
@@ -970,7 +970,7 @@ describe('ReactComponentLifeCycle', () => {
           '  componentWillMount\n' +
           '  UNSAFE_componentWillUpdate\n\n' +
           'The above lifecycles should be removed. Learn more about this warning here:\n' +
-          'https://fb.me/react-async-component-lifecycle-hooks',
+          'https://fb.me/react-unsafe-component-lifecycles',
         {withoutStack: true},
       );
     }).toLowPriorityWarnDev(['componentWillMount has been renamed'], {
@@ -993,7 +993,7 @@ describe('ReactComponentLifeCycle', () => {
           'WillReceiveProps uses getSnapshotBeforeUpdate() but also contains the following legacy lifecycles:\n' +
           '  componentWillReceiveProps\n\n' +
           'The above lifecycles should be removed. Learn more about this warning here:\n' +
-          'https://fb.me/react-async-component-lifecycle-hooks',
+          'https://fb.me/react-unsafe-component-lifecycles',
         {withoutStack: true},
       );
     }).toLowPriorityWarnDev(['componentWillReceiveProps has been renamed'], {
@@ -1410,20 +1410,20 @@ describe('ReactComponentLifeCycle', () => {
     ).toLowPriorityWarnDev(
       [
         /* eslint-disable max-len */
-        `Warning: componentWillMount has been renamed, and is not recommended for use. See https://fb.me/react-async-component-lifecycle-hooks for details.
+        `Warning: componentWillMount has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move code with side effects to componentDidMount, and set initial state in the constructor.
 * Rename componentWillMount to UNSAFE_componentWillMount to suppress this warning in non-strict mode. In React 17.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.
 
 Please update the following components: MyComponent`,
-        `Warning: componentWillReceiveProps has been renamed, and is not recommended for use. See https://fb.me/react-async-component-lifecycle-hooks for details.
+        `Warning: componentWillReceiveProps has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 * If you're updating state whenever props change, refactor your code to use memoization techniques or move it to static getDerivedStateFromProps. Learn more at: https://fb.me/react-derived-state
 * Rename componentWillReceiveProps to UNSAFE_componentWillReceiveProps to suppress this warning in non-strict mode. In React 17.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.
 
 Please update the following components: MyComponent`,
-        `Warning: componentWillUpdate has been renamed, and is not recommended for use. See https://fb.me/react-async-component-lifecycle-hooks for details.
+        `Warning: componentWillUpdate has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 * Rename componentWillUpdate to UNSAFE_componentWillUpdate to suppress this warning in non-strict mode. In React 17.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.

packages/react-dom/src/server/ReactPartialRenderer.js

@@ -583,7 +583,7 @@ function resolve(
                 false,
                 // keep this warning in sync with ReactStrictModeWarning.js
                 'componentWillMount has been renamed, and is not recommended for use. ' +
-                  'See https://fb.me/react-async-component-lifecycle-hooks for details.\n\n' +
+                  'See https://fb.me/react-unsafe-component-lifecycles for details.\n\n' +
                   '* Move code from componentWillMount to componentDidMount (preferred in most cases) ' +
                   'or the constructor.\n' +
                   '\nPlease update the following components: %s',

packages/react-reconciler/src/ReactFiberClassComponent.js

@@ -702,7 +702,7 @@ function constructClassInstance(
             'Unsafe legacy lifecycles will not be called for components using new component APIs.\n\n' +
               '%s uses %s but also contains the following legacy lifecycles:%s%s%s\n\n' +
               'The above lifecycles should be removed. Learn more about this warning here:\n' +
-              'https://fb.me/react-async-component-lifecycle-hooks',
+              'https://fb.me/react-unsafe-component-lifecycles',
             componentName,
             newApiName,
             foundWillMountName !== null ? `\n  ${foundWillMountName}` : '',

packages/react-reconciler/src/ReactStrictModeWarnings.js

@@ -194,7 +194,7 @@ if (__DEV__) {
       warningWithoutStack(
         false,
         'Using UNSAFE_componentWillMount in strict mode is not recommended and may indicate bugs in your code. ' +
-          'See https://fb.me/react-async-component-lifecycle-hooks for details.\n\n' +
+          'See https://fb.me/react-unsafe-component-lifecycles for details.\n\n' +
           '* Move code with side effects to componentDidMount, and set initial state in the constructor.\n' +
           '\nPlease update the following components: %s',
         sortedNames,
@@ -209,7 +209,7 @@ if (__DEV__) {
         false,
         'Using UNSAFE_componentWillReceiveProps in strict mode is not recommended ' +
           'and may indicate bugs in your code. ' +
-          'See https://fb.me/react-async-component-lifecycle-hooks for details.\n\n' +
+          'See https://fb.me/react-unsafe-component-lifecycles for details.\n\n' +
           '* Move data fetching code or side effects to componentDidUpdate.\n' +
           "* If you're updating state whenever props change, " +
           'refactor your code to use memoization techniques or move it to ' +
@@ -227,7 +227,7 @@ if (__DEV__) {
         false,
         'Using UNSAFE_componentWillUpdate in strict mode is not recommended ' +
           'and may indicate bugs in your code. ' +
-          'See https://fb.me/react-async-component-lifecycle-hooks for details.\n\n' +
+          'See https://fb.me/react-unsafe-component-lifecycles for details.\n\n' +
           '* Move data fetching code or side effects to componentDidUpdate.\n' +
           '\nPlease update the following components: %s',
         sortedNames,
@@ -240,7 +240,7 @@ if (__DEV__) {
       lowPriorityWarning(
         false,
         'componentWillMount has been renamed, and is not recommended for use. ' +
-          'See https://fb.me/react-async-component-lifecycle-hooks for details.\n\n' +
+          'See https://fb.me/react-unsafe-component-lifecycles for details.\n\n' +
           '* Move code with side effects to componentDidMount, and set initial state in the constructor.\n' +
           '* Rename componentWillMount to UNSAFE_componentWillMount to suppress ' +
           'this warning in non-strict mode. In React 17.x, only the UNSAFE_ name will work. ' +
@@ -259,7 +259,7 @@ if (__DEV__) {
       lowPriorityWarning(
         false,
         'componentWillReceiveProps has been renamed, and is not recommended for use. ' +
-          'See https://fb.me/react-async-component-lifecycle-hooks for details.\n\n' +
+          'See https://fb.me/react-unsafe-component-lifecycles for details.\n\n' +
           '* Move data fetching code or side effects to componentDidUpdate.\n' +
           "* If you're updating state whenever props change, refactor your " +
           'code to use memoization techniques or move it to ' +
@@ -279,7 +279,7 @@ if (__DEV__) {
       lowPriorityWarning(
         false,
         'componentWillUpdate has been renamed, and is not recommended for use. ' +
-          'See https://fb.me/react-async-component-lifecycle-hooks for details.\n\n' +
+          'See https://fb.me/react-unsafe-component-lifecycles for details.\n\n' +
           '* Move data fetching code or side effects to componentDidUpdate.\n' +
           '* Rename componentWillUpdate to UNSAFE_componentWillUpdate to suppress ' +
           'this warning in non-strict mode. In React 17.x, only the UNSAFE_ name will work. ' +

packages/react/src/__tests__/ReactStrictMode-test.internal.js

@@ -351,18 +351,18 @@ describe('ReactStrictMode', () => {
       expect(() => Scheduler.unstable_flushAll()).toWarnDev(
         [
           /* eslint-disable max-len */
-          `Warning: Using UNSAFE_componentWillMount in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-async-component-lifecycle-hooks for details.
+          `Warning: Using UNSAFE_componentWillMount in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move code with side effects to componentDidMount, and set initial state in the constructor.
 
 Please update the following components: AsyncRoot`,
-          `Warning: Using UNSAFE_componentWillReceiveProps in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-async-component-lifecycle-hooks for details.
+          `Warning: Using UNSAFE_componentWillReceiveProps in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 * If you're updating state whenever props change, refactor your code to use memoization techniques or move it to static getDerivedStateFromProps. Learn more at: https://fb.me/react-derived-state
 
 Please update the following components: Bar, Foo`,
-          `Warning: Using UNSAFE_componentWillUpdate in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-async-component-lifecycle-hooks for details.
+          `Warning: Using UNSAFE_componentWillUpdate in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 
@@ -409,18 +409,18 @@ Please update the following components: AsyncRoot`,
         expect(() => Scheduler.unstable_flushAll()).toWarnDev(
           [
             /* eslint-disable max-len */
-            `Warning: Using UNSAFE_componentWillMount in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-async-component-lifecycle-hooks for details.
+            `Warning: Using UNSAFE_componentWillMount in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move code with side effects to componentDidMount, and set initial state in the constructor.
 
 Please update the following components: AsyncRoot`,
-            `Warning: Using UNSAFE_componentWillReceiveProps in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-async-component-lifecycle-hooks for details.
+            `Warning: Using UNSAFE_componentWillReceiveProps in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 * If you're updating state whenever props change, refactor your code to use memoization techniques or move it to static getDerivedStateFromProps. Learn more at: https://fb.me/react-derived-state
 
 Please update the following components: Child`,
-            `Warning: Using UNSAFE_componentWillUpdate in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-async-component-lifecycle-hooks for details.
+            `Warning: Using UNSAFE_componentWillUpdate in strict mode is not recommended and may indicate bugs in your code. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 
@@ -432,20 +432,20 @@ Please update the following components: AsyncRoot`,
       }).toLowPriorityWarnDev(
         [
           /* eslint-disable max-len */
-          `Warning: componentWillMount has been renamed, and is not recommended for use. See https://fb.me/react-async-component-lifecycle-hooks for details.
+          `Warning: componentWillMount has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move code with side effects to componentDidMount, and set initial state in the constructor.
 * Rename componentWillMount to UNSAFE_componentWillMount to suppress this warning in non-strict mode. In React 17.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.
 
 Please update the following components: Parent`,
-          `Warning: componentWillReceiveProps has been renamed, and is not recommended for use. See https://fb.me/react-async-component-lifecycle-hooks for details.
+          `Warning: componentWillReceiveProps has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 * If you're updating state whenever props change, refactor your code to use memoization techniques or move it to static getDerivedStateFromProps. Learn more at: https://fb.me/react-derived-state
 * Rename componentWillReceiveProps to UNSAFE_componentWillReceiveProps to suppress this warning in non-strict mode. In React 17.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.
 
 Please update the following components: Parent`,
-          `Warning: componentWillUpdate has been renamed, and is not recommended for use. See https://fb.me/react-async-component-lifecycle-hooks for details.
+          `Warning: componentWillUpdate has been renamed, and is not recommended for use. See https://fb.me/react-unsafe-component-lifecycles for details.
 
 * Move data fetching code or side effects to componentDidUpdate.
 * Rename componentWillUpdate to UNSAFE_componentWillUpdate to suppress this warning in non-strict mode. In React 17.x, only the UNSAFE_ name will work. To rename all deprecated lifecycles to their new names, you can run \`npx react-codemod rename-unsafe-lifecycles\` in your project source folder.

packages/react/src/__tests__/createReactClassIntegration-test.js

@@ -559,7 +559,7 @@ describe('create-react-class-integration', () => {
           '  componentWillReceiveProps\n' +
           '  componentWillUpdate\n\n' +
           'The above lifecycles should be removed. Learn more about this warning here:\n' +
-          'https://fb.me/react-async-component-lifecycle-hooks',
+          'https://fb.me/react-unsafe-component-lifecycles',
         {withoutStack: true},
       );
     }).toLowPriorityWarnDev(
@@ -603,7 +603,7 @@ describe('create-react-class-integration', () => {
           '  componentWillReceiveProps\n' +
           '  componentWillUpdate\n\n' +
           'The above lifecycles should be removed. Learn more about this warning here:\n' +
-          'https://fb.me/react-async-component-lifecycle-hooks',
+          'https://fb.me/react-unsafe-component-lifecycles',
         {withoutStack: true},
       );
     }).toLowPriorityWarnDev(