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Aurelia CLI generates a battle-tested Webpack configuration file for your app, provides a solid base for further customization if you ever need to. Webpack is powerful and popular, but it could be a daunting task to set up Webpack from scratch. If you choose to use Webpack then you don't need a separate module loader. Webpack is a bundler with built-in module loader. Webpack is the default choice for both ESNext and TypeScript applications. On top of all choices, you first need to choose a bundler: either Webpack (the default bundler) or CLI's built-in bundler (the alternative bundler). When creating a new project using the Aurelia CLI, you are presented with a wizard to select a bundler, a module loader, CSS preprocessor and more. We will show you more details of this file when talking about various customization. This file is the centralized settings for all the gulp tasks like build and test. In the aurelia_project directory there is a file called aurelia.json. INSTALL WEBPACK GLOBALLY OR LOCALLY GENERATORThere's also a generator generator so you can create your own, au generate generator. On name of any new element, attribute, value-converter, or binding-behavior. Options for resource are: element, attribute, value-converter, binding-behavior, task and generator.įor example au generate element my-awesome-element generates src/resources/my-awesome-element.js or my-awesome-element.ts. GeneratorsĮxecuting au generate runs a generator to scaffold out typical Aurelia constructs. You can also specify an environment to build for. Building Your AppĪurelia CLI apps always run in bundled mode, even during development. When you do a build the src/environment.js or src/environment.ts file will be overwritten by either the dev.js, stage.js or prod.js file from the aurelia_project/environments directory. You can use the -env flag to specify what environment you want to run under. By default, you are set up with three: dev, stage and prod. INSTALL WEBPACK GLOBALLY OR LOCALLY CODEThe CLI build system understands that you might run your code in different environments. If you have chosen to use ASP.NET Core and Webpack, you will want to use the dotnet run command instead of au run. The dev web server by default auto-refreshes your browser when source code changes. It will start a minimal web server and serve your application. This will build your app, creating all bundles in the process. Running Your Aurelia Appįrom inside your project folder, simply execute au run. More details in tutorial on write new plugin. To create a new plugin project, run au new -plugin. INSTALL WEBPACK GLOBALLY OR LOCALLY WINDOWSWindows users please use CMD or PowerShell to run Aurelia CLI commands. Here we choose script-loader, which executes JS script once in the global context.Aurelia CLI commands do not work properly in Git BASH emulator on Windows. Webpack provides loaders for preprocessing various files - transform them to JavaScript. The best way is to load the library into the global context. The above approach which changes the original JavaScript library is apparently not good. The variable ‘Dynamsoft’ makes sense now. To make the code work, we can add ‘ module.exports = Dynamsoft’ to the bottom of node_modules\dwt\dist\, and then rebuild the React project. Open bundle.js, we can see webpack wraps every module with an anonymous function. Webpack regards any JavaScript file as a module. Why ‘Uncaught ReferenceError’? The reason is is a global JavaScript library, not a module. When running your app, you can open the developer console to check the variable. According to the React component lifecycle, we can write the code in method componentDidMount(): Therefore, we can use JavaScript code to insert JS link into HTML script element dynamically for global access. Webpack is just a module bundler that packs all modules with dependencies into one bundle, which is still a JavaScript file. Three Ways to Import Global JavaScript Libraries into React ProjectĬomparing to Angular, loading global JavaScript library is more tricky in React. In this article, I will share not only the solutions but also the issues I met. INSTALL WEBPACK GLOBALLY OR LOCALLY HOW TOThen I got started to learn webpack from scratch, and finally figured out how to make it work. I spent some time searching Google for relevant questions, but it was hard to find useful answers. When using React and Dynamic Web TWAIN to create a web document scanning app, I was confused about how to load, a global JavaScript library like jQuery, into my project. ![]()
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