Created
December 12, 2019 17:36
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Import/Export Functions
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// NAME EXPORTS | |
//------ lib.js ------ | |
export const sqrt = Math.sqrt; | |
export function square(x) { | |
return x * x; | |
} | |
export function diag(x, y) { | |
return sqrt(square(x) + square(y)); | |
} | |
//------ main.js ------ | |
import { square, diag } from 'lib'; | |
console.log(square(11)); // 121 | |
console.log(diag(4, 3)); // 5 | |
// OR | |
//------ main.js ------ | |
import * as lib from 'lib'; | |
console.log(lib.square(11)); // 121 | |
console.log(lib.diag(4, 3)); // 5 | |
// NAMED EXPORT | |
//------ myFunc.js ------ | |
export default function () { ... }; | |
//------ main1.js ------ | |
import myFunc from 'myFunc'; | |
myFunc(); | |
// MIXED | |
//------ underscore.js ------ | |
export default function (obj) { | |
... | |
}; | |
export function each(obj, iterator, context) { | |
... | |
} | |
export { each as forEach }; | |
//------ main.js ------ | |
import _, { each } from 'underscore'; | |
// CYCLICAL | |
// lib.js | |
import Main from 'main'; | |
var lib = {message: "This Is A Lib"}; | |
export { lib as Lib }; | |
// main.js | |
import { Lib } from 'lib'; | |
export default class Main { | |
// .... | |
} |
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