es6-module-loader | 易学教程

How to correctly use ES6 “export default” with CommonJS “require”?

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问题 I've been working through Webpack tutorial. In one of the sections, it gives the code example that contains one line of essence to this question: export default class Button { /* class code here */ } In the next section of said tutorial, titled "Code splitting", the class defined above is loaded on demand, like this: require.ensure([], () => { const Button = require("./Components/Button"); const button = new Button("google.com"); // ... }); Unfortunately, this code throws an exception:

How to fix this ES6 module circular dependency?

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问题 EDIT: for more background, also see the discussion on ES Discuss. I have three modules A , B , and C . A and B import the default export from module C , and module C imports the default from both A and B . However, module C does not depend on the values imported from A and B during module evaluation, only at runtime at some point after all three modules have been evaluated. Modules A and B do depend on the value imported from C during their module evaluation. The code looks something like

What is the defined execution order of ES6 imports?

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问题 I've tried searching the internet for the execution order of imported modules. For instance, let's say I have the following code: import "one" import "two" console.log("three"); Where one.js and two.js are defined as follows: // one.js console.log("one"); // two.js console.log("two"); Is the console output guaranteed to be: one two three Or is it undefined? 回答1: Imported ES6 modules are executed asynchronously . However, all imports are executed prior to the script doing the importing. This

Which browsers support import and export syntax for ECMAScript 6?

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I am currently writing a web application using the MEAN Stack, and am attempting to write code in ECMAScript 6 JavaScript; however, I am getting errors in both Chrome and Firefox when using import and export syntax. Are there currently any browsers that fully support ECMAScript 6? Please note: I am not asking when ECMAScript 6 will be supported by browsers. I'm asking which browsers support ECMAScript 6 import and export syntax. See https://developer.mozilla.org/en-US/docs/Web/JavaScript/New_in_JavaScript/ECMAScript_6_support_in_Mozilla#Features_not_yet_supported_by_Firefox Chrome and Firefox

“You may need an appropriate loader to handle this file type” with Webpack and Babel

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I am trying to use Webpack with Babel to compile ES6 assets, but I am getting the following error message: You may need an appropriate loader to handle this file type. | import React from 'react'; | /* | import { render } from 'react-dom' Here is what my Webpack config looks like: var path = require('path'); var webpack = require('webpack'); module.exports = { entry: './index', output: { path: path.join(__dirname, 'dist'), filename: 'bundle.js', publicPath: '/dist/' }, module: { loaders: [ { test: /\.jsx?$/, loader: 'babel-loader', exclude: /node_modules/ } ] } } Here is the middleware step

ES6: import module from URL

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问题 Is it possible to import javascript module from external url in ES6? I tried (using babel-node): import mymodule from \'http://...mysite.../myscript.js\'; // Error: Cannot find module \'http://...mysite.../myscript.js\' 回答1: 2018 Update: The module loader spec is now a part of the ES Spec - what you are describing is allowed and possible with <script type="module"> in browsers and with a custom --loader with Node.js as well as with Deno if you're into that. The module loader spec and the

Which browsers support import and export syntax for ECMAScript 6?

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问题 I am currently writing a web application using the MEAN Stack, and am attempting to write code in ECMAScript 6 JavaScript; however, I am getting errors in both Chrome and Firefox when using import and export syntax. Are there currently any browsers that fully support ECMAScript 6? Please note: I am not asking when ECMAScript 6 will be supported by browsers. I\'m asking which browsers support ECMAScript 6 import and export syntax. See https://developer.mozilla.org/en-US/docs/Web/JavaScript/New

Importing lodash into angular2 + typescript application

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问题 I am having a hard time trying to get the lodash modules imported. I\'ve setup my project using npm+gulp, and keep hitting the same wall. I\'ve tried the regular lodash, but also lodash-es. The lodash npm package: (has an index.js file in the package root folder) import * as _ from \'lodash\'; Results in: error TS2307: Cannot find module \'lodash\'. The lodash-es npm package: (has a defaut export in lodash.js i the package root folder) import * as _ from \'lodash-es/lodash\'; Results in: