JAVASCRIPT

js import and export

// helloworld.js

export function helloWorld() {
	return 'Hello World!';
}

// main.js

import helloWorld from './helloworld.js';

console.log(helloWorld());

export e import javascript

//There two types of imports
export default class || function || variable
//When you use export default, export one thing only and import something like this:
import thing from "path"
//-------------------------------------
export { class || function || variable }
//With this we can especify what we want import
import { thing1, ...} from "path"

import and export type in js

// 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 …; // does not set the default export
export * as name1 from …; // Draft ECMAScript® 2O21
export { name1, name2, …, nameN } from …;
export { import1 as name1, import2 as name2, …, nameN } from …;
export { default } from …;

import/export js functions

// helloworld.js

export function helloWorld() {
    return 'Hello World!';
}

// main.js

import helloWorld from './helloworld.js';

console.log(helloWorld());

module export javascript

// user.js
const getName = () => {
  return 'Jim';
};

const getLocation = () => {
  return 'Munich';
};

const dateOfBirth = '12.01.1982';

exports.getName = getName;
exports.getLocation = getLocation;
exports.dob = dateOfBirth;

// index.js
const user = require('./user');
console.log(
  `${user.getName()} lives in ${user.getLocation()} and was born on ${user.dob}.`
);

module export javascript

// user.js
exports.getName = () => {
  return 'Jim';
};

exports.getLocation = () => {
  return 'Munich';
};

exports.dob = '12.01.1982';

// index.js
const { getName, dob } = require('./user');
console.log(
  `${getName()} was born on ${dob}.`
);