Tips for incorporating external AMD modules with Angular2 using WebPack

In my current project using Angular2, TypeScript, and WebPack, I am looking to incorporate the Esri ArcGIS JavaScript API. The API can be accessed from the following URL:

By importing Map from 'esri/Map';, I aim to import the corresponding module found at:

While it is common practice to use systemjs for loading these modules, I am seeking a solution that relies solely on webpack. Is there a way to achieve this without utilizing systemjs?

Below is a snippet from my webpack configuration file:

var webpack = require("webpack");

module.exports = {
    entry: {
        'polyfills': './app/polyfills.js',
        'vendor': './app/vendor.js',
        'app': './app/boot.js'
    },
    output: {
        path: __dirname,
        filename: "./prod/[name].js"
    },
    plugins: [
        new webpack.optimize.CommonsChunkPlugin({
            name: ['app', 'vendor', 'polyfills']
        }),
        new webpack.optimize.UglifyJsPlugin({
            beautify: false,
            mangle: {screw_ie8: true, keep_fnames: true},
            compress: {screw_ie8: true},
            comments: false
        })
    ]
};

Answer №1

Webpack functions as a module bundler instead of a JavaScript loader. It compiles files from the local disk and does not fetch files from the web (except for its own chunks). If you need a JavaScript loader, consider using something like script.js

https://github.com/webpack/webpack/issues/150#issuecomment-32756166

Additionally, keep in mind that you cannot directly import a module from an external source using ES6 syntax without going through Webpack. You will need to ensure that you are fetching a UMD / global script.

Answer №2

After following a helpful example, I successfully managed to integrate dojo, webpack, typescript, and angular 2.

It requires some patience, especially when dealing with imports like:

import * as Map from 'esri/Map';
* as Point from 'esri/geometry/Point';
* as Circle from 'esri/geometry/Circle';

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