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How does lazy loading in angular improve performance?

How does lazy loading in angular improve performance?

Lazy loading helps boost performance – as we’re only downloading a fraction of our app’s bundle instead of the entire bundle. Instead, we can code split per @NgModule with Angular, and we can serve them lazily via the router. Only when a specific route is matched, Angular’s router will load the code split module.

Which is the best Webpack loader for angular?

angular2-template-loader is a chain-to loader that inlines all html and styles in Angular components. awesome-typescript-loader is currently the faster webpack TypeScript loader. It uses dependency resolution to build modules dependency graph. This relatively speeds up the build process. babel-loader allows transpiling JavaScript files.

Is there a way to lazy load Webpack?

The code there does cause a separate chunk, lodash.bundle.js, to be generated and technically “lazy-loads” it as soon as the script is run. The trouble is that no user interaction is required to load the bundle — meaning that every time the page is loaded, the request will fire.

How to lazy load child modules in angular?

Feature modules, aka child modules, are the modules that we can lazy load using the router. Here are the three child module names: And the parent, app module: The AppModule has the responsibility at this point to somehow “import” those other modules. There are a few ways we can do this, asynchronously and synchronously.

How to set up a lazy loaded feature module in angular?

There are three main steps to setting up a lazy loaded feature module: {path: ‘menu’, loadChildren:’./modules/menu/menu.module#MenuModule’} tells Angular to lazy load our feature module MenuModule by the time the user visit the /menu route. Add the following lines to your package.json file: Create in your root project folder a tsconfig.json file:

How to configure Webpack 4 with angular 7?

Plugins — CleanWebpackPlugin will remove/clean your build folder (s) before building again. HtmlWebpackPlugin plugin will generate an HTML5 file for you that includes all your webpack bundles in the body using script tags. It only requires path to the template.

The code there does cause a separate chunk, lodash.bundle.js, to be generated and technically “lazy-loads” it as soon as the script is run. The trouble is that no user interaction is required to load the bundle — meaning that every time the page is loaded, the request will fire.

When does angular need to compile HTML templates?

Angular itself needs to compile your HTML templates into JavaScript and this can occurred at 2 different points of time: Right after development, at build time, before your app is downloaded in the Browser (AoT) What is webpack? According to Wikipedia: Webpack is an open source JavaScript module bundler.