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facebook · Nov 27, 2023 · ad0f5a6 · ad0f5a6
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diff --git a/packages/react-devtools-shared/src/backend/renderer.js b/packages/react-devtools-shared/src/backend/renderer.js
@@ -220,7 +220,7 @@ export function getInternalReactConstants(version: string): {
       HostSingleton: 27, // Same as above
       HostText: 6,
       IncompleteClassComponent: 17,
-      IndeterminateComponent: 2,
+      IndeterminateComponent: 2, // removed in 19.0.0
       LazyComponent: 16,
       LegacyHiddenComponent: 23,
       MemoComponent: 14,

diff --git a/packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js b/packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js
@@ -12,7 +12,6 @@
 let React;
 let ReactDOM;
 let ReactTestUtils;
-let PropTypes;
 
 const clone = function (o) {
   return JSON.parse(JSON.stringify(o));
@@ -91,7 +90,6 @@ describe('ReactComponentLifeCycle', () => {
     React = require('react');
     ReactDOM = require('react-dom');
     ReactTestUtils = require('react-dom/test-utils');
-    PropTypes = require('prop-types');
   });
 
   it('should not reuse an instance when it has been unmounted', () => {
@@ -983,67 +981,6 @@ describe('ReactComponentLifeCycle', () => {
     });
   });
 
-  if (!require('shared/ReactFeatureFlags').disableModulePatternComponents) {
-    it('calls effects on module-pattern component', function () {
-      const log = [];
-
-      function Parent() {
-        return {
-          render() {
-            expect(typeof this.props).toBe('object');
-            log.push('render');
-            return <Child />;
-          },
-          UNSAFE_componentWillMount() {
-            log.push('will mount');
-          },
-          componentDidMount() {
-            log.push('did mount');
-          },
-          componentDidUpdate() {
-            log.push('did update');
-          },
-          getChildContext() {
-            return {x: 2};
-          },
-        };
-      }
-      Parent.childContextTypes = {
-        x: PropTypes.number,
-      };
-      function Child(props, context) {
-        expect(context.x).toBe(2);
-        return <div />;
-      }
-      Child.contextTypes = {
-        x: PropTypes.number,
-      };
-
-      const div = document.createElement('div');
-      expect(() =>
-        ReactDOM.render(<Parent ref={c => c && log.push('ref')} />, div),
-      ).toErrorDev(
-        'Warning: The <Parent /> component appears to be a function component that returns a class instance. ' +
-          'Change Parent to a class that extends React.Component instead. ' +
-          "If you can't use a class try assigning the prototype on the function as a workaround. " +
-          '`Parent.prototype = React.Component.prototype`. ' +
-          "Don't use an arrow function since it cannot be called with `new` by React.",
-      );
-      ReactDOM.render(<Parent ref={c => c && log.push('ref')} />, div);
-
-      expect(log).toEqual([
-        'will mount',
-        'render',
-        'did mount',
-        'ref',
-
-        'render',
-        'did update',
-        'ref',
-      ]);
-    });
-  }
-
   it('should warn if getDerivedStateFromProps returns undefined', () => {
     class MyComponent extends React.Component {
       state = {};

diff --git a/packages/react-dom/src/__tests__/ReactCompositeComponent-test.js b/packages/react-dom/src/__tests__/ReactCompositeComponent-test.js
@@ -111,53 +111,22 @@ describe('ReactCompositeComponent', () => {
     };
   });
 
-  if (require('shared/ReactFeatureFlags').disableModulePatternComponents) {
-    it('should not support module pattern components', () => {
-      function Child({test}) {
-        return {
-          render() {
-            return <div>{test}</div>;
-          },
-        };
-      }
-
-      const el = document.createElement('div');
-      expect(() => {
-        expect(() => ReactDOM.render(<Child test="test" />, el)).toThrow(
-          'Objects are not valid as a React child (found: object with keys {render}).',
-        );
-      }).toErrorDev(
-        'Warning: The <Child /> component appears to be a function component that returns a class instance. ' +
-          'Change Child to a class that extends React.Component instead. ' +
-          "If you can't use a class try assigning the prototype on the function as a workaround. " +
-          '`Child.prototype = React.Component.prototype`. ' +
-          "Don't use an arrow function since it cannot be called with `new` by React.",
-      );
-
-      expect(el.textContent).toBe('');
-    });
-  } else {
-    it('should support module pattern components', () => {
-      function Child({test}) {
-        return {
-          render() {
-            return <div>{test}</div>;
-          },
-        };
-      }
+  it('should not support module pattern components', () => {
+    function Child({test}) {
+      return {
+        render() {
+          return <div>{test}</div>;
+        },
+      };
+    }
 
-      const el = document.createElement('div');
-      expect(() => ReactDOM.render(<Child test="test" />, el)).toErrorDev(
-        'Warning: The <Child /> component appears to be a function component that returns a class instance. ' +
-          'Change Child to a class that extends React.Component instead. ' +
-          "If you can't use a class try assigning the prototype on the function as a workaround. " +
-          '`Child.prototype = React.Component.prototype`. ' +
-          "Don't use an arrow function since it cannot be called with `new` by React.",
-      );
+    const el = document.createElement('div');
+    expect(() => ReactDOM.render(<Child test="test" />, el)).toThrow(
+      'Objects are not valid as a React child (found: object with keys {render}).',
+    );
 
-      expect(el.textContent).toBe('test');
-    });
-  }
+    expect(el.textContent).toBe('');
+  });
 
   it('should support rendering to different child types over time', () => {
     const instance = ReactTestUtils.renderIntoDocument(<MorphingComponent />);

diff --git a/packages/react-dom/src/__tests__/ReactCompositeComponentState-test.js b/packages/react-dom/src/__tests__/ReactCompositeComponentState-test.js
@@ -457,60 +457,6 @@ describe('ReactCompositeComponent-state', () => {
     ]);
   });
 
-  if (!require('shared/ReactFeatureFlags').disableModulePatternComponents) {
-    it('should support stateful module pattern components', () => {
-      function Child() {
-        return {
-          state: {
-            count: 123,
-          },
-          render() {
-            return <div>{`count:${this.state.count}`}</div>;
-          },
-        };
-      }
-
-      const el = document.createElement('div');
-      expect(() => ReactDOM.render(<Child />, el)).toErrorDev(
-        'Warning: The <Child /> component appears to be a function component that returns a class instance. ' +
-          'Change Child to a class that extends React.Component instead. ' +
-          "If you can't use a class try assigning the prototype on the function as a workaround. " +
-          '`Child.prototype = React.Component.prototype`. ' +
-          "Don't use an arrow function since it cannot be called with `new` by React.",
-      );
-
-      expect(el.textContent).toBe('count:123');
-    });
-
-    it('should support getDerivedStateFromProps for module pattern components', () => {
-      function Child() {
-        return {
-          state: {
-            count: 1,
-          },
-          render() {
-            return <div>{`count:${this.state.count}`}</div>;
-          },
-        };
-      }
-      Child.getDerivedStateFromProps = (props, prevState) => {
-        return {
-          count: prevState.count + props.incrementBy,
-        };
-      };
-
-      const el = document.createElement('div');
-      ReactDOM.render(<Child incrementBy={0} />, el);
-      expect(el.textContent).toBe('count:1');
-
-      ReactDOM.render(<Child incrementBy={2} />, el);
-      expect(el.textContent).toBe('count:3');
-
-      ReactDOM.render(<Child incrementBy={1} />, el);
-      expect(el.textContent).toBe('count:4');
-    });
-  }
-
   it('should support setState in componentWillUnmount', () => {
     let subscription;
     class A extends React.Component {

diff --git a/packages/react-dom/src/__tests__/ReactDOMServerIntegrationElements-test.js b/packages/react-dom/src/__tests__/ReactDOMServerIntegrationElements-test.js
@@ -622,33 +622,20 @@ describe('ReactDOMServerIntegration', () => {
         checkFooDiv(await render(<ClassComponent />));
       });
 
-      if (require('shared/ReactFeatureFlags').disableModulePatternComponents) {
-        itThrowsWhenRendering(
-          'factory components',
-          async render => {
-            const FactoryComponent = () => {
-              return {
-                render: function () {
-                  return <div>foo</div>;
-                },
-              };
-            };
-            await render(<FactoryComponent />, 1);
-          },
-          'Objects are not valid as a React child (found: object with keys {render})',
-        );
-      } else {
-        itRenders('factory components', async render => {
+      itThrowsWhenRendering(
+        'factory components',
+        async render => {
           const FactoryComponent = () => {
             return {
               render: function () {
                 return <div>foo</div>;
               },
             };
           };
-          checkFooDiv(await render(<FactoryComponent />, 1));
-        });
-      }
+          await render(<FactoryComponent />, 1);
+        },
+        'Objects are not valid as a React child (found: object with keys {render})',
+      );
     });
 
     describe('component hierarchies', function () {

diff --git a/packages/react-dom/src/__tests__/ReactErrorBoundaries-test.internal.js b/packages/react-dom/src/__tests__/ReactErrorBoundaries-test.internal.js
@@ -799,46 +799,6 @@ describe('ReactErrorBoundaries', () => {
     expect(container.firstChild.textContent).toBe('Caught an error: Hello.');
   });
 
-  // @gate !disableModulePatternComponents
-  // @gate !disableLegacyContext
-  it('renders an error state if module-style context provider throws in componentWillMount', () => {
-    function BrokenComponentWillMountWithContext() {
-      return {
-        getChildContext() {
-          return {foo: 42};
-        },
-        render() {
-          return <div>{this.props.children}</div>;
-        },
-        UNSAFE_componentWillMount() {
-          throw new Error('Hello');
-        },
-      };
-    }
-    BrokenComponentWillMountWithContext.childContextTypes = {
-      foo: PropTypes.number,
-    };
-
-    const container = document.createElement('div');
-    expect(() =>
-      ReactDOM.render(
-        <ErrorBoundary>
-          <BrokenComponentWillMountWithContext />
-        </ErrorBoundary>,
-        container,
-      ),
-    ).toErrorDev(
-      'Warning: The <BrokenComponentWillMountWithContext /> component appears to be a function component that ' +
-        'returns a class instance. ' +
-        'Change BrokenComponentWillMountWithContext to a class that extends React.Component instead. ' +
-        "If you can't use a class try assigning the prototype on the function as a workaround. " +
-        '`BrokenComponentWillMountWithContext.prototype = React.Component.prototype`. ' +
-        "Don't use an arrow function since it cannot be called with `new` by React.",
-    );
-
-    expect(container.firstChild.textContent).toBe('Caught an error: Hello.');
-  });
-
   it('mounts the error message if mounting fails', () => {
     function renderError(error) {
       return <ErrorMessage message={error.message} />;

diff --git a/packages/react-dom/src/__tests__/ReactLegacyErrorBoundaries-test.internal.js b/packages/react-dom/src/__tests__/ReactLegacyErrorBoundaries-test.internal.js
@@ -825,45 +825,6 @@ describe('ReactLegacyErrorBoundaries', () => {
     expect(container.firstChild.textContent).toBe('Caught an error: Hello.');
   });
 
-  if (!require('shared/ReactFeatureFlags').disableModulePatternComponents) {
-    it('renders an error state if module-style context provider throws in componentWillMount', () => {
-      function BrokenComponentWillMountWithContext() {
-        return {
-          getChildContext() {
-            return {foo: 42};
-          },
-          render() {
-            return <div>{this.props.children}</div>;
-          },
-          UNSAFE_componentWillMount() {
-            throw new Error('Hello');
-          },
-        };
-      }
-      BrokenComponentWillMountWithContext.childContextTypes = {
-        foo: PropTypes.number,
-      };
-
-      const container = document.createElement('div');
-      expect(() =>
-        ReactDOM.render(
-          <ErrorBoundary>
-            <BrokenComponentWillMountWithContext />
-          </ErrorBoundary>,
-          container,
-        ),
-      ).toErrorDev(
-        'Warning: The <BrokenComponentWillMountWithContext /> component appears to be a function component that ' +
-          'returns a class instance. ' +
-          'Change BrokenComponentWillMountWithContext to a class that extends React.Component instead. ' +
-          "If you can't use a class try assigning the prototype on the function as a workaround. " +
-          '`BrokenComponentWillMountWithContext.prototype = React.Component.prototype`. ' +
-          "Don't use an arrow function since it cannot be called with `new` by React.",
-      );
-      expect(container.firstChild.textContent).toBe('Caught an error: Hello.');
-    });
-  }
-
   it('mounts the error message if mounting fails', () => {
     function renderError(error) {
       return <ErrorMessage message={error.message} />;