export

Defination
The export statement is used to export functions, objects or primitives from a given file (or module).
Syntax
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export { name1, name2, …, nameN };
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export { variable1 as name1, variable2 as name2, …, nameN };
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export let name1, name2, …, nameN; // also var
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export let name1 = …, name2 = …, …, nameN; // also var, const
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​
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export default expression;
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export default function (…) { … } // also class, function*
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export default function name1(…) { … } // also class, function*
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export { name1 as default, … };
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​
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export * from …;
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export { name1, name2, …, nameN } from …;
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export { import1 as name1, import2 as name2, …, nameN } from …;
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Examples
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// module "my-module.js"
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function cube(x) {
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  return x * x * x;
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}
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const foo = Math.PI + Math.SQRT2;
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export { cube, foo };
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// module "my-module.js"
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export default function cube(x) {
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  return x * x * x;
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}
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Usage
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import React from 'react';
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​
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export const ADD_TODO = 'ADD_TODO';
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​
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export const addTodo = (content) => ({
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    type: actionType,
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    content
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});
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​
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const App = () => {
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    return (
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        <div>
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            App
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        </div>
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    );
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};
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​
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export default App;
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References
​MDN export​

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import

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Arrow functions

Last modified 2yr ago

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