Use TypeScript by default for new applications #35165
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Need to remove end to end app tests which flow check, and see if we can add TS to this. |
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This pull request was exported from Phabricator. Differential Revision: D40911951 |
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Summary: This change moves the default new application template in OSS from Flow to TypeScript. This better aligns with the communities usage, and aligns to the great work that has been happening for TS codegen and built-in types. This is largely derived from [`react-native-community/react-native-template-typescript`](https://github.com/react-native-community/react-native-template-typescript), maintained by radko93, with a couple of changes. 1. Updated `types/*` devDependencies to match bumped libraries (e.g. Jest 26 to 20). 2. Removes `types/react-native` 3. Removed explicit `moduleFileExtensions` to Jest config in package.json (TS and TSX and added by default in current versions) 4. Removes overrides to eslint config to disable `no-shadow` and `no-undef`, since this was fixed in the underlying eslint config with facebook#32644 and facebook#32655 5. Re-translated `App.js` to be a direct translation (e.g. still a raw function instead of React.FC which is sometimes discouraged) 6. Aligns completely to `tsconfig/react-native` maintained configuration (We no longer have the opinionated override of `skipLibCheck`). The important settings are that `strict` is enabled for, but `allowJS` is also enabled to let users import JS modules without anything unexpected. `esModuleInterop` is enabled, which is needed for consistency with Babel import transformations used by Metro. Consistent with our [current documentation](https://reactnative.dev/docs/typescript) built against the community template, `tsc` will typecheck your code without emitting(building) anything. I discovered through this change that the way 'Utilities' is imported in typings doesn't seem to work in the template app use-case (but works in the RN repo?). Fixed up those imports. We also partially revert facebook@f49b251 which deleted typings. Checking to make sure we keep these in the appropriate place in the future. [Documentation](https://reactnative.dev/docs/typescript) will need to be updated as a followup. Changelog: [General][Changed] - Use Vanilla JS in the App Template Pull Request resolved: facebook#35165 Test Plan: Added usage of `tsc` and `jest` when validating a newly built app. Passes in CircleCI `test_js` job. This also meant removing some cases of copying packages into the users app to pull in the root Metro config (we seem to be able to use the template Metro config consistent with what real apps would get). Differential Revision: D40911951 Pulled By: NickGerleman fbshipit-source-id: a989523e99ad0045ab4d345aeb2481ef3ca958ca
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Summary: This change moves the default new application template in OSS from Flow to TypeScript. This better aligns with the communities usage, and aligns to the great work that has been happening for TS codegen and built-in types. This is largely derived from [`react-native-community/react-native-template-typescript`](https://github.com/react-native-community/react-native-template-typescript), maintained by radko93, with a couple of changes. 1. Updated `types/*` devDependencies to match bumped libraries (e.g. Jest 26 to 20). 2. Removes `types/react-native` 3. Removed explicit `moduleFileExtensions` to Jest config in package.json (TS and TSX and added by default in current versions) 4. Removes overrides to eslint config to disable `no-shadow` and `no-undef`, since this was fixed in the underlying eslint config with facebook#32644 and facebook#32655 5. Re-translated `App.js` to be a direct translation (e.g. still a raw function instead of React.FC which is sometimes discouraged) 6. Aligns completely to `tsconfig/react-native` maintained configuration (We no longer have the opinionated override of `skipLibCheck`). The important settings are that `strict` is enabled for, but `allowJS` is also enabled to let users import JS modules without anything unexpected. `esModuleInterop` is enabled, which is needed for consistency with Babel import transformations used by Metro. Consistent with our [current documentation](https://reactnative.dev/docs/typescript) built against the community template, `tsc` will typecheck your code without emitting(building) anything. I discovered through this change that the way 'Utilities' is imported in typings doesn't seem to work in the template app use-case (but works in the RN repo?). Fixed up those imports. We also partially revert facebook@f49b251 which deleted typings. Checking to make sure we keep these in the appropriate place in the future. [Documentation](https://reactnative.dev/docs/typescript) will need to be updated as a followup. Changelog: [General][Changed] - Use Vanilla JS in the App Template Pull Request resolved: facebook#35165 Test Plan: Added usage of `tsc` and `jest` when validating a newly built app. Passes in CircleCI `test_js` job. This also meant removing some cases of copying packages into the users app to pull in the root Metro config (we seem to be able to use the template Metro config consistent with what real apps would get). Differential Revision: D40911951 Pulled By: NickGerleman fbshipit-source-id: 81136e2aa2602d074107e1fbe8110498406e6ac9
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Summary: This change moves the default new application template in OSS from Flow to TypeScript. This better aligns with the communities usage, and aligns to the great work that has been happening for TS codegen and built-in types. This is largely derived from [`react-native-community/react-native-template-typescript`](https://github.com/react-native-community/react-native-template-typescript), maintained by radko93, with a couple of changes. 1. Updated `types/*` devDependencies to match bumped libraries (e.g. Jest 26 to 20). 2. Removes `types/react-native` 3. Removed explicit `moduleFileExtensions` to Jest config in package.json (TS and TSX and added by default in current versions) 4. Removes overrides to eslint config to disable `no-shadow` and `no-undef`, since this was fixed in the underlying eslint config with facebook#32644 and facebook#32655 5. Re-translated `App.js` to be a direct translation (e.g. still a raw function instead of React.FC which is sometimes discouraged) 6. Aligns completely to `tsconfig/react-native` maintained configuration (We no longer have the opinionated override of `skipLibCheck`). The important settings are that `strict` is enabled for, but `allowJS` is also enabled to let users import JS modules without anything unexpected. `esModuleInterop` is enabled, which is needed for consistency with Babel import transformations used by Metro. Consistent with our [current documentation](https://reactnative.dev/docs/typescript) built against the community template, `tsc` will typecheck your code without emitting(building) anything. I discovered through this change that the way 'Utilities' is imported in typings doesn't seem to work in the template app use-case (but works in the RN repo?). Fixed up those imports. We also partially revert facebook@f49b251 which deleted typings. Checking to make sure we keep these in the appropriate place in the future. [Documentation](https://reactnative.dev/docs/typescript) will need to be updated as a followup. Changelog: [General][Changed] - Use Vanilla JS in the App Template Pull Request resolved: facebook#35165 Test Plan: Added usage of `tsc` and `jest` when validating a newly built app. Passes in CircleCI `test_js` job. This also meant removing some cases of copying packages into the users app to pull in the root Metro config (we seem to be able to use the template Metro config consistent with what real apps would get). Differential Revision: D40911951 Pulled By: NickGerleman fbshipit-source-id: 05bed911249583b02d2c180a27f955e2e36c0cc4
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This pull request was exported from Phabricator. Differential Revision: D40911951 |
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PR build artifact for e286da2 is ready. |
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PR build artifact for e286da2 is ready. |
Summary: This change moves the default new application template in OSS from Flow to TypeScript. This better aligns with the communities usage, and aligns to the great work that has been happening for TS codegen and built-in types. This used [`react-native-community/react-native-template-typescript`](https://github.com/react-native-community/react-native-template-typescript) as a main reference, maintained by radko93. A few things are different: 1. Updated `types/*` devDependencies to match bumped libraries (e.g. Jest 26 to 20). 2. Removed `types/react-native` 3. Removed explicit `moduleFileExtensions` to Jest config in package.json (TS and TSX and added by default in current versions) 4. Removed overrides to eslint config to disable `no-shadow` and `no-undef`, since this was fixed in the underlying eslint config with facebook#32644 and facebook#32655 5. Re-translated `App.js` to be a direct translation (e.g. still a raw function instead of React.FC which is sometimes discouraged) 6. Aligns completely to `tsconfig/react-native` maintained configuration (We no longer have the opinionated override of `skipLibCheck`). The important settings are that `strict` is enabled for, but `allowJS` is also enabled to let users import JS modules without anything unexpected. `esModuleInterop` is enabled, which is needed for consistency with Babel import transformations used by Metro. Consistent with our [current documentation](https://reactnative.dev/docs/typescript) built against the community template, `tsc` will typecheck your code without emitting(building) anything. [Documentation](https://reactnative.dev/docs/typescript) will need to be updated as a followup. Changelog: [General][Changed] - Use TypeScript by default for new applications Pull Request resolved: facebook#35165 Test Plan: Added usage of `tsc` and `jest` when validating a newly built app. Passes in CircleCI `test_js` job. This also meant removing some cases of copying packages into the users app to pull in the root Metro config (we seem to be able to use the template Metro config consistent with what real apps would get). Reviewed By: cortinico Differential Revision: D40911951 Pulled By: NickGerleman fbshipit-source-id: 08d4624bc08163c7dc1272f605bc3a8e9a89173b
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This pull request was exported from Phabricator. Differential Revision: D40911951 |
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PR build artifact for f739945 is ready. |
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PR build artifact for f739945 is ready. |
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This pull request was successfully merged by @NickGerleman in aaf1990. When will my fix make it into a release? | Upcoming Releases |
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Summary: This change moves the default new application template in OSS from Flow to TypeScript. This better aligns with the communities usage, and aligns to the great work that has been happening for TS codegen and built-in types. This used [`react-native-community/react-native-template-typescript`](https://github.com/react-native-community/react-native-template-typescript) as a main reference, maintained by radko93. A few things are different: 1. Updated `types/*` devDependencies to match bumped libraries (e.g. Jest 26 to 20). 2. Removed `types/react-native` 3. Removed explicit `moduleFileExtensions` to Jest config in package.json (TS and TSX and added by default in current versions) 4. Removed overrides to eslint config to disable `no-shadow` and `no-undef`, since this was fixed in the underlying eslint config with facebook#32644 and facebook#32655 5. Re-translated `App.js` to be a direct translation (e.g. still a raw function instead of React.FC which is sometimes discouraged) 6. Aligns completely to `tsconfig/react-native` maintained configuration (We no longer have the opinionated override of `skipLibCheck`). The important settings are that `strict` is enabled for, but `allowJS` is also enabled to let users import JS modules without anything unexpected. `esModuleInterop` is enabled, which is needed for consistency with Babel import transformations used by Metro. Consistent with our [current documentation](https://reactnative.dev/docs/typescript) built against the community template, `tsc` will typecheck your code without emitting(building) anything. [Documentation](https://reactnative.dev/docs/typescript) will need to be updated as a followup. Changelog: [General][Changed] - Use TypeScript by default for new applications Pull Request resolved: facebook#35165 Test Plan: Added usage of `tsc` and `jest` when validating a newly built app. Passes in CircleCI `test_js` job. This also meant removing some cases of copying packages into the users app to pull in the root Metro config (we seem to be able to use the template Metro config consistent with what real apps would get). Reviewed By: cortinico Differential Revision: D40911951 Pulled By: NickGerleman fbshipit-source-id: 15994534235695e91cf994ad06ba2183dfc89a50
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Summary
This change moves the default new application template from Flow to TypeScript. This better aligns with the communities usage, and aligns to the great work that has been happening for TS codegen and built-in types. This is largely derived from
@react-native-community/react-native-template-typescript, maintained by @radko93, with a couple of changes.@types/*devDependencies to match bumped libraries (e.g. Jest 26 to 20).@types/react-nativemoduleFileExtensionsto Jest config in package.json (TS and TSX and added by default in current versions)no-shadowandno-undef, since this was fixed in the underlying eslint config with Fix eslint no-shadow issue with TypeScript enums #32644 and Disable ESLintno-undeffor TypeScript files #32655App.jsto be a direct translation (e.g. still a raw function instead of React.FC which is sometimes discouraged)@tsconfig/react-nativemaintained configuration (We no longer have the opinionated override ofskipLibCheck). The important settings are thatstrictis enabled for, butallowJSis also enabled to let users import JS modules without anything unexpected.esModuleInteropis enabled, which is needed for consistency with Babel import transformations used by Metro.Consistent with our current documentation built against the community template,
tscwill typecheck your code without emitting(building) anything.Changelog:
[General][Changed] - Use Vanilla JS in the App Template
Test Plan
Added usage of
tscandjestwhen validating a newly built app. Passes in CircleCItest_jsjob. This also meant removing some cases of copying packages into the users app to pull in the root Metro config (we seem to be able to use the template Metro config consistent with what real apps would get).