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Modules Import Export
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// Exporting individual features | |
export let name1, name2, …, nameN; | |
// also var, const | |
export let name1 = …, name2 = …, …, nameN; | |
// also var, const | |
export function functionName(){...} | |
export class ClassName {...} | |
// Export list | |
export { name1, name2, …, nameN }; | |
// Renaming exports | |
export { variable1 as name1, variable2 as name2, …, nameN }; | |
// Exporting destructured assignments with renaming | |
export const { name1, name2: bar } = o; | |
// Default exports | |
export default expression; | |
export default function (…) { … } | |
// also class, function* | |
export default function name1(…) { … } | |
// also class, function* | |
export { name1 as default, … }; | |
// Aggregating modules | |
export * from …; | |
export { name1, name2, …, nameN } from …; | |
export { import1 as name1, import2 as name2, …, nameN } from …; | |
export { default } from …; | |
import defaultExport from "module-name"; | |
import { default as alias } from "module-name"; | |
import * as name from "module-name"; | |
import { export } from "module-name"; | |
import { export as alias } from "module-name"; | |
import { export1 , export2 } from "module-name"; | |
import { foo , bar } from "module-name/path/to/specific/un-exported/file"; | |
import { export1 , export2 as alias2 , [...] } from "module-name"; | |
import defaultExport, { export [ , [...] ] } from "module-name"; | |
import defaultExport, * as name from "module-name"; | |
import "module-name"; | |
var promise = import("module-name"); | |
// Sample : module.js | |
function cube(x){ | |
return x * x * x; | |
} | |
export {cube}; | |
// app.js | |
import { cube } from 'module.js'; | |
console.log(cube(3)); // 27 |
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