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Add React.createFactory() deprecation warning #17878

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merged 1 commit into from
Jan 21, 2020
Merged

Add React.createFactory() deprecation warning #17878

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11 changes: 9 additions & 2 deletions packages/react-is/src/__tests__/ReactIs-test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -57,9 +57,16 @@ describe('ReactIs', () => {
expect(ReactIs.isValidElementType(Context.Provider)).toEqual(true);
expect(ReactIs.isValidElementType(Context.Consumer)).toEqual(true);
if (!ReactFeatureFlags.disableCreateFactory) {
expect(ReactIs.isValidElementType(React.createFactory('div'))).toEqual(
true,
let factory;
expect(() => {
factory = React.createFactory('div');
}).toWarnDev(
'Warning: React.createFactory() is deprecated and will be removed in a ' +
'future major release. Consider using JSX or use React.createElement() ' +
'directly instead.',
{withoutStack: true},
);
expect(ReactIs.isValidElementType(factory)).toEqual(true);
}
expect(ReactIs.isValidElementType(React.Fragment)).toEqual(true);
expect(ReactIs.isValidElementType(React.StrictMode)).toEqual(true);
Expand Down
12 changes: 11 additions & 1 deletion packages/react/src/ReactElementValidator.js
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Original file line number Diff line number Diff line change
Expand Up @@ -473,11 +473,21 @@ export function createElementWithValidation(type, props, children) {
return element;
}

let didWarnAboutDeprecatedCreateFactory = false;

export function createFactoryWithValidation(type) {
const validatedFactory = createElementWithValidation.bind(null, type);
validatedFactory.type = type;
// Legacy hook: remove it
if (__DEV__) {
if (!didWarnAboutDeprecatedCreateFactory) {
didWarnAboutDeprecatedCreateFactory = true;
console.warn(
'React.createFactory() is deprecated and will be removed in ' +
'a future major release. Consider using JSX ' +
'or use React.createElement() directly instead.',
);
}
// Legacy hook: remove it
Object.defineProperty(validatedFactory, 'type', {
enumerable: false,
get: function() {
Expand Down
22 changes: 20 additions & 2 deletions packages/react/src/__tests__/ReactElement-test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -313,7 +313,16 @@ describe('ReactElement', () => {
expect(React.isValidElement({})).toEqual(false);
expect(React.isValidElement('string')).toEqual(false);
if (!ReactFeatureFlags.disableCreateFactory) {
expect(React.isValidElement(React.createFactory('div'))).toEqual(false);
let factory;
expect(() => {
factory = React.createFactory('div');
}).toWarnDev(
'Warning: React.createFactory() is deprecated and will be removed in a ' +
'future major release. Consider using JSX or use React.createElement() ' +
'directly instead.',
{withoutStack: true},
);
expect(React.isValidElement(factory)).toEqual(false);
}
expect(React.isValidElement(Component)).toEqual(false);
expect(React.isValidElement({type: 'div', props: {}})).toEqual(false);
Expand Down Expand Up @@ -473,7 +482,16 @@ describe('ReactElement', () => {
expect(React.isValidElement({})).toEqual(false);
expect(React.isValidElement('string')).toEqual(false);
if (!ReactFeatureFlags.disableCreateFactory) {
expect(React.isValidElement(React.createFactory('div'))).toEqual(false);
let factory;
expect(() => {
factory = React.createFactory('div');
}).toWarnDev(
'Warning: React.createFactory() is deprecated and will be removed in a ' +
'future major release. Consider using JSX or use React.createElement() ' +
'directly instead.',
{withoutStack: true},
);
expect(React.isValidElement(factory)).toEqual(false);
}
expect(React.isValidElement(Component)).toEqual(false);
expect(React.isValidElement({type: 'div', props: {}})).toEqual(false);
Expand Down
22 changes: 20 additions & 2 deletions packages/react/src/__tests__/ReactElementJSX-test.internal.js
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Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,16 @@ describe('ReactElement.jsx', () => {
expect(React.isValidElement({})).toEqual(false);
expect(React.isValidElement('string')).toEqual(false);
if (!ReactFeatureFlags.disableCreateFactory) {
expect(React.isValidElement(React.createFactory('div'))).toEqual(false);
let factory;
expect(() => {
factory = React.createFactory('div');
}).toWarnDev(
'Warning: React.createFactory() is deprecated and will be removed in a ' +
'future major release. Consider using JSX or use React.createElement() ' +
'directly instead.',
{withoutStack: true},
);
expect(React.isValidElement(factory)).toEqual(false);
}
expect(React.isValidElement(Component)).toEqual(false);
expect(React.isValidElement({type: 'div', props: {}})).toEqual(false);
Expand Down Expand Up @@ -301,7 +310,16 @@ describe('ReactElement.jsx', () => {
expect(React.isValidElement({})).toEqual(false);
expect(React.isValidElement('string')).toEqual(false);
if (!ReactFeatureFlags.disableCreateFactory) {
expect(React.isValidElement(React.createFactory('div'))).toEqual(false);
let factory;
expect(() => {
factory = React.createFactory('div');
}).toWarnDev(
'Warning: React.createFactory() is deprecated and will be removed in a ' +
'future major release. Consider using JSX or use React.createElement() ' +
'directly instead.',
{withoutStack: true},
);
expect(React.isValidElement(factory)).toEqual(false);
}
expect(React.isValidElement(Component)).toEqual(false);
expect(React.isValidElement({type: 'div', props: {}})).toEqual(false);
Expand Down
12 changes: 11 additions & 1 deletion packages/react/src/__tests__/ReactElementValidator-test.internal.js
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Original file line number Diff line number Diff line change
Expand Up @@ -445,7 +445,17 @@ describe('ReactElementValidator', () => {
return <div />;
}

let TestFactory = React.createFactory(TestComponent);
let TestFactory;

expect(() => {
TestFactory = React.createFactory(TestComponent);
}).toWarnDev(
'Warning: React.createFactory() is deprecated and will be removed in a ' +
'future major release. Consider using JSX or use React.createElement() ' +
'directly instead.',
{withoutStack: true},
);

expect(
() => TestFactory.type,
).toWarnDev(
Expand Down