JavaScript ES modules import and export with trailing commas All In One
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JavaScript ES modules import and export with trailing commas All In One
JavaScript 最佳实践
export
+ trailing commas
export
module1,
module2,
// ...
moduleN,
from \'./modules/index.ts\';
demos
React 中就是这种写法
trailing comma
+export
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
// Export all exports so that they\'re available in tests.
// We can\'t use export * from in Flow for some reason.
export default as __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED from \'./src/ReactDOMSharedInternals\';
export
createPortal,
createRoot,
hydrateRoot,
findDOMNode,
flushSync,
hydrate,
render,
unmountComponentAtNode,
unstable_batchedUpdates,
unstable_createEventHandle,
unstable_renderSubtreeIntoContainer,
unstable_runWithPriority, // DO NOT USE: Temporarily exposed to migrate off of Scheduler.runWithPriority.
prefetchDNS,
preconnect,
preload,
preinit,
version,
from \'./src/client/ReactDOM\';
https://github.com/facebook/react/blob/main/packages/react-dom/index.js
https://raw.githubusercontent.com/facebook/react/main/packages/react-dom/index.js
bugs
const uppercaseString = (string) =>
return string.toUpperCase();
const lowercaseString = (string) =>
return string.toLowerCase()
// export uppercaseString, lowercaseString;
export
uppercaseString,
lowercaseString // ✅
// lowercaseString,// bug ❌
;
export const uppercaseString = (string) =>
return string.toUpperCase();
export const lowercaseString = (string) =>
return string.toLowerCase()
https://forum.freecodecamp.org/t/es6-export/600314
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