how does webpack import from external url - reactjs

Question

I am using webpack to manage my react application. Now I want to import a dependency from this url:
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=gNO2wKVBNupZfafi0bl0sW3dIKqAHn4l">
traditionally I just put above code on my index.html file. But now how can I let webpack to load this url? And how my react js use that dependency?
when I launch webpack-dev-server, I will get below error:
ERROR in Entry module not found: Error: Cannot resolve module 'http://api.map.baidu.com/api'
Then I use little loader to load the url. Below is the javascript code to use loader:
import $ from 'jquery'
import React from 'react';
import ReactDOM from 'react-dom';
import load from 'little-loader';
import './main.css';
import './component';
import Search from './search/search'
load('http://api.map.baidu.com/api?v=2.0&ak=gNO2wKVBNupZfafi0bl0sW3dIKqAHn4l', function(err){
console.log('err:', err);
});
// document.body.appendChild(component());
ReactDOM.render(<Search />, document.getElementById('search'));
but I still got below error when launch webpack:
ERROR in Entry module not found: Error: Cannot resolve module 'http://api.map.baidu.com/api' in /Users/yzzhao/dev/react-demo/webpack_demo

Answer 1

In the future you should be able to use dynamic requires via System.import.
Webpack 2 will support them natively.
System.import('<url>')
.then(function() {
console.log('Loaded!');
});
If you don't want to wait for it, you could use a script loading library.
Example:
Install:
npm install little-loader --save
Use:
import load from 'little-loader';
load('<url>', (err) => {
})
Or do it manually
function load(url) {
return new Promise((resolve, reject) => {
var script = document.createElement('script')
script.type = 'text/javascript';
script.async = true;
script.src = url;
script.onload = resolve;
script.onerror = reject;
document.head.appendChild(script);
})
}
load('<url>')
.then(() => {
console.log('Loaded!');
})
.catch((err) => {
console.error('Something went wrong!', err);
})