Awesome Typescript Loader Aot

A TypeScript loader for webpack. Electron-Forge + React + TypeScript = Awesome! 26 Aug 2019. Conclusion. This means the spread operator in that module needs to be transpile to use object. The same goes for ts-loader , another TypeScript loader for Webpack. 二手工具> awesome-typescript-loader:3. The latest release of Angular2 allows for Ahead of time (AOT) compilation, using this code in your app. Some of them are quite big and I wanted to have full control on how my files are compiled. There is currenty an on-going Github discussion with potential work-arounds in a variety of use-cases. The plugin takes a bunch of options like the path to tsconfig file, path to the application module, compiler options for AoT and others. 1596 best open source webpack projects. When I had Webpack 3 with ts-loader, I was able to use TypeScript 3. We have a number of example setups to accomodate different workflows. vue-loader allows you to use other webpack loaders to process a part of a Vue component. This can be an advantage, as only one build of the application is necessary, which behaves differntly depending on environment variables of the deployment environment. Hao has 6 jobs listed on their profile. Here is my config I was trying with ETWP 3. com, CC BY-SA. ts 提供给 TypeScript,然后将结果提供给 Babel。但是你使用哪种 TypeScript loader?两个流行的选择是 ts-loader 和 awesome-typescript-loader。awesome-typescript-loader 的 README. March 07, 2018, Webpack has an awesome TypeScript loader, and there’s good support for some other setups as well. If you must use your own TS Loader for JIT, you can do so. Derived from photo by Yann Caradec / flickr. This has the potential in some applications to generate a warning messages. Custom file types available for templates and styles through Webpack loaders (SCSS, PUG,…) No separate process for compilation; Watch mode for AOT compiled files. However, we do need webpack for one thing: Storybook’s configuration for typescript. ts files using the tsc command: tsc my-code-file. This is not an equal exchange, as we are used to JIT-compilation. You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. And we'll get to that in a minute. You can read more about the differences between the two here. Some of them are quite big and I wanted to have full control on how my files are compiled. json—TypeScript compiler configuration. It's about TypeScript on the server, so running on node. json file to instruct the compiler, but everything we define here will override the config file. Although this guide is written at the time of Angular 2, it should also work for Angular 4 and future versions of Angular, according to the official Angular branding guideline. When you’re ready to integrate TypeScript in a full-blown project, there are a few webpack loaders available (ts-loader, awesome-typescript-loader, fork-ts-checker-webpack. use loader chain for resources when compiling AOT angular2-webpack-starter. When comparing both packages you notice that ts-loader is the more popular package today (2,285 Stars on Github). 0 components. $ npm install -g typescript webpack $ npm install --save-dev redux ts-loader There’s also some initialization, as we need to tell the typescript compiler about the project:. vue-typescript-import-dts - TypeScript declaration file that allows using 'import' with. Host Decorators. You'll start by exploring how Angular 2 works in an online auction application. Ben Nadel shares the approach to lazy loading modules that he's finally got working with Angular 6. Some of them are quite big and I wanted to have full control on how my files are compiled. There is currenty an on-going Github discussion with potential work-arounds in a variety of use-cases. typescript、awesome-typescript-loader、source-map-loaderのインストール. cd packages/my-monorepo-ui-lib yarn add @babel/core @types/storybook__react awesome-typescript-loader babel-loader node-sass sass-loader source-map-loader style-loader -D. 每一个你不满意的现在,都有一个你没有努力的曾经。. More than 1 year has passed since last update. js file to include these two loaders:. We have a number of example setups to accomodate different workflows. tsc + system. By the end, you will have a basic build and development server with automatic refresh and source maps. TypeScriptは文字通りTypeScript本体です。awesome-typescript-loaderは、設定ファイル( tsconfig. js + TypeScript + Webpack. Host Decorators. awesome-typescript-loader is currently the faster webpack TypeScript loader. Differences between ts-loader. 0的版本,webpack版本此时是3. vue-typescript-component - Decorators to use TypeScript classes as Vue. and I cannot find it. ANGULAR AOT production build. このコードでも、requireが残っている以上、webpackにbundleされてしまう訳ですが、es6-promise-loader を使うと「require対象をwebpackの別chunkに切り出して、そのモジュールをresolveするようなPromiseのコードに置き換える」ことができます。. json but it's not working. ts-loader, awesome-typescript-loader). typescript-eslint-parser. vue files. Hi, i wanted to jump start a simple babylonJS application with electron and typescript. js (its a root file of NSVS) within this file, below line mentioned. Web App service worker that's not complete yet │ ├──robots. We fixed the version at 7. WebPack with ts-loader and babel-loader is what we're using to compile our ES6 TypeScript. Nevertheless, since these loaders can also work with “custom versions of TypeScript” we could also use them in conjunction with ttsc, giving us the freedom to either bundle or directly transpile. Hi Rjwjnen, I have a development environment working with [email protected] See in source. We will know what to pack in an Angular application We will know how to pack an Angular application by webpack and gain some insight on how Angular CLI works I will use Node as the web server for the examples in this note. An extensible static analysis linter for the TypeScript language. With this blogpost I want to show an example of how to set up Angular and Webpack in Visual Studio with ASP. So if a route ts file comes along we want to send it through the angular2-template-loader, angular-router-loader and the awesome-typescript-loader to proceed with our files. ` when specifying tsconfig path. Configuring Webpack. Getting started with TypeScript and React I've recently been getting into TypeScript following a lot of positive blogs about it from Tom Dale and others. I haven't had chance to test it yet but I'm pretty confident this should just work with ts-loader (and awesome-typescript-loader as well I should think). Usage npm This is the preferred method. Tweak your Webpack config to feed *. Today we are going to be creating a Webpack based Aurelia application from scratch. DefinitelyTyped. Thus, you will have to install those manually: $ npm install babel-loader awesome-typescript-loader. Skip to content. Compared to an ES2015 project, we use the typescript package instead of babel-core and babel-preset-es2015 packages; Similarly, we use the awesome-typescript-loader instead of babel-loader; Instead of a. This setup process uses WEBPACK with JQWIDGETS 4. Инструменты разработки Создание проекта. I'm trying to move the tsconfig. Some of them are quite big and I wanted to have full control on how my files are compiled. const ForkCheckerPlugin = require (' awesome-typescript-loader '). Tweet with a location. webpack を利用して、 SCSS を自動的に CSS に変換してくれる開発環境を作成します。ただの HTML + CSS のサイトを作成する場合、手間だと感じますが、最初にビルド設定をしておくことで開発効率をあげることができます。. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. r/typescript: TypeScript is a language for application-scale JavaScript development. ts 提供给 TypeScript,然后将结果提供给 Babel。但是你使用哪种 TypeScript loader?两个流行的选择是 ts-loader 和 awesome-typescript-loader。awesome-typescript-loader 的 README. This is not recommended mainly because of the mis alignment between the compilations. It is now turn to instruct Webpack how to transpile our code from Typescript to ES5 before creating a bundle. This can be useful for those who use Typescript with. and I cannot find it. This is the typescript loader for webpack. I looked more closely at angular cookbook aot-compiler and decided to re-do some of the instantiations and the following is what made it work: npm install @angular/compiler-cli @angular/platform-server --save I'm guessing it either didn't properly install the first time or something else happened. Project to get you started with your Phaser-CE (using the npm module) game using Typescript and Webpack for building! No hassle asset management, Google Web Font loader, live server, development vs distribution build pipeline, Electron packaging for desktop builds, and more. With traditional web apps built with angular1 we use JIT compilation everyday. The Webpack loader angular-router-loader from Brandon Roberts is used to implement this. However, in order to get Ahead of Time (AoT) compilation working, I had to lower the version of TypeScript to use 2. The most recommended loader is raw-loader. add tsconfig. ES6 is the same as ES2015. I don't know if it's babel that is the issue or if it's awesome-typescript-loader. Webpack 2 + Typescript + React (Lite). It was authored by Stanislav Panferov on Feb, 2015. We fixed the version at 2. NET Core ready for dev and production builds. TypeScript is made as superset of JavaScript and you never run TypeScript but created from it Js. Option 3 - Always Use Angular Latest Version with Visual Studio 2017. 请注意,ATL的工作方式与应用程序编译器的工作方式一样多。. md for awesome-typescript-loader mentions it might be slower for some workloads, and recommends ts-loader with HappyPack or thread-loader. Getting Started. It's used in Angular-CLI. MSDN Community Support Please remember to click "Mark as Answer" the responses that resolved your issue. This can be an advantage, as only one build of the application is necessary, which behaves differntly depending on environment variables of the deployment environment. web service的 加载程序. Similarly for node: we use nvm to manage several node versions simultaneously, as well as a. Tweet with a location. vue files. This setup process uses WEBPACK with JQWIDGETS 4. I'd have one more question. Migrating a project to Angular CLI build system 12 Aug 2017. Not all steps in What I did section are updated, but github repo contains all recent changes. webpack + babel + typescript + es6 - total solutions! -. Note that some people call it ES6, some call it ES2015, which is why I’m listing both here. It was authored by Stanislav Panferov on Feb, 2015. We will be leveraging the newly released Webpack capabilities for this tutorial. awesome-typescript-loader is a commonly used Webpack loader that enables to compile and add TypeScript transpiled files to your JavaScript Webpack build. Angular AoT Compilation, Lazy Loading, and Treeshaking With Webpack angular-router-loader and the awesome-typescript-loader to proceed with our files. However, in order to get Ahead of Time (AoT) compilation working, I had to lower the version of TypeScript to use 2. io 'awesome-typescript-loader'] } Recommended from our users: Dynamic Network Monitoring from WhatsUp Gold. awesome-typescript-loader vs ts-loader vs tslint; cache-loader vs happypack vs hard-source-webpack-plugin vs ts-loader; awesome-typescript-loader vs happypack vs thread-loader; ts-loader; awesome-typescript-loader vs babel-loader vs bs-platform vs coffee-loader vs coffee-script vs elm vs ts-loader. json * typescript config used. 调整 Webpack 配置以将 *. A free, fast, and reliable Open Source CDN for npm and GitHub with the largest network and best performance among all CDNs. webpack+angular2引入awesome-typescript-loader报错:原来用ts-loader是没问题的,但是需要搭配angular2-template-loader,无奈换回awesome-typescript-loader,就报错了,请大家帮忙看下,有事儿直接说就行,在线等。. App is up and running, but webpack does not recompile my app correctly. GitHub Gist: instantly share code, notes, and snippets. nvmrc file specifying the node version to use for this project. NET Core ready for dev and production builds. It’s important here to use the query param for customizing atl and turn off the type declaration output. This loader basically does the job of awesome-typescript-loader + angular-router-loader + angular2-template-loader and adds AOT compilation to the chain. Angular is a platform for building mobile and desktop web applications. awesome-typescript-loader loader was created mostly to speed-up compilation in my own projects. Before we begin, make sure you have a fresh version of Node. 프론트엔드 개발자의 영원한 친구 webpack과 그 친구 webpack-dev-server를 설치해줍니다. Some of them are quite big and I wanted to have full control on how my files are compiled. js + TypeScript + Webpack. This guide goes through the various methods used to install webpack. Net core with Angular 2 and Kendo UI grid using Webpack 2 and Karma, I found it to be quite complex and not so…. It was authored by Stanislav Panferov on Feb, 2015. This loader allows you to compile and develop your Angular applications using AoT compilation, removing the need for you to include the Angular compiler when distributing your app, as well as making it super fast. Prerequisites. vue-ts-amd - A full-featured Vue. Some of them are quite big and I wanted to have full control on how my files are compiled. I get a lot of errors of not found modules. Before we begin coding, we need to know what JIT (Just In Time) and AOT (Ahead of Time) compilation is and what the potential gain is of using AOT instead of JIT in the case of angular2. 7, Webpack 4, and Ahead of Time (AoT) compiling. js + aot 方式. You'll learn a bit about TypeScript, SystemJS, and webpack. 280 See Repo On Github. awesome-typescript-loader 配置使用baseUrl和paths 因为实在不想用相对路径来写模块导入了, 配置baseUrl和Path来简化路径导入, 好在现在awesome-typescript-loader已经很好的支持了这个功能。. js framework for building efficient, scalable, and enterprise-grade server-side applications on top of TypeScript & JavaScript (ES6, ES7, ES8) 🚀 Sweetalert ⭐ 20,329 A beautiful replacement for JavaScript's "alert". See the complete profile on LinkedIn and discover Hao’s connections and jobs at similar companies. There are three major points: 1) awesome-typescript-loader (atl) uses dependency resolution to build modules dependency graph at early stages. Note that systemjs is still around. In this tutorial, we are going to build an example application which displays the "Hello and welcome to Angular" with the logo of Angular below it. The same goes for ts-loader , another TypeScript loader for Webpack. UPD: with the help from the community some of the problems were resolved. gulp-inline-ng2-template - Gulp plugin to inline HTML and CSS into Angular 2 component decorators. There are multiple modules with names that only differ in casing React 3 Cannot read property 'externalModuleIndicator' of undefined while running unit test using karma and webpack 4. To be able to use the template loader you must have a loader registered, which can handle. ngc-webpack started as a wrapper for @angular/compiler-cli when angular build tools were limited. Awesome!! Awesome-typescript-loader, thanks for your hard work, the plugin works but ts-loader is much faster (for my specific setup) and that is important. Ah! Thanks for confirming that. As a result, you find more premade type definitions for it, and overall, the quality of support should be better. Serving more than 40 billion requests per month. It was authored by Stanislav Panferov on Feb, 2015. As you can see from the numbers above, HappyPack can quite significantly boost the speed of your build if you don't use Angular CLI and have a custom Webpack config with ts-loader as your TypeScript loader (or, if you use awesome-typescript-loader, you can easily switch to ts-loader). 評価を下げる理由を選択してください. My current setup is working just fine but when I move the file and configure awesome-typescript-loader to use the new location, my project does not compile. The loaders are listed in reverse order. That’s awesome, but it also came with a few breaking changes, the primary of which is their move towards making Vuetify a Vue plugin, which had to be bootstrapped to the primary Vue instance. ts file: // The browser platform without a compiler import { platformBrowser } from '@. almost 3 years awesome-ts-loaader does not respect inputSourceMap; almost 3 years Incompatible with angular2-template-loader if declaration: true; almost 3 years `Cannot find name 'require'. Compiler configuration has many useful options, both for transpilation and type checking. Basic Setup. The benchmark was made against ts-loader, which historically has been the slowest of the two webpack loaders for TypeScript (the other one being awesome-typescript-loader). There is currenty an on-going Github discussion with potential work-arounds in a variety of use-cases. 但遗憾的是ts-loader和awesome-typescript-loader并不能直接使用Webpack的alias配置,源码中直接使用模块别名将会抛出not found错误,请注意这个错误是TypeScript编译器抛出而非Webpack。. Yup - one of the maintainers of ts-loader here. Getting started with TypeScript and React I've recently been getting into TypeScript following a lot of positive blogs about it from Tom Dale and others. The same goes for ts-loader , another TypeScript loader for Webpack. Configuring Webpack. jsonwebpack配置vue-typescript-cli项目地址:https://gith…. After a bunch of GitHub spelunking, I discovered that I needed these magical settings in webpack. I use react / babel /webpack rather than vue or typescript (), but you probably a missing a typescript plugin as looks like you are using typescript rather than babel. If you're starting a new web project these days, someone on your team is probably pushing for Webpack and TypeScript. generator-typescript ★21 ⏳1Y - Yeoman generator for TypeScript apps; Mocha plugins. resource_override aot_mode default. This can be an advantage, as only one build of the application is necessary, which behaves differntly depending on environment variables of the deployment environment. json * typescript lint config ├──typedoc. Some of them are quite big and I wanted to have full control on how my files are compiled. Configuring ASP. More details can be found here. js projects to use the TypeScript's features. awesome-typescript-loader loader was created mostly to speed-up compilation in my own projects. I read about the changes in Webpack 4 that break compatibility with plugins/loaders. js file requires that the chunkFilename property is set in the output, so that webpack chunks the lazy load modules. 每一个你不满意的现在,都有一个你没有努力的曾经。. There is currenty an on-going Github discussion with potential work-arounds in a variety of use-cases. TypeScript loader for webpack. We saw mentions of an offline compiler, but it did not appear to be available or documented yet. You would need to put another loader after the typescript loader such as Babel to do the translation from ES6 to ES5. In addition to the above method, I've tried the Extract Text Webpack Plugin but had no luck with that either. webpack-compile-loop. Compare npm package download statistics over time: awesome typescript loader vs ts loader. Angular AoT Compilation, Lazy Loading, and Treeshaking With Webpack angular-router-loader and the awesome-typescript-loader to proceed with our files. You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. Я думаю , вы должны использовать style-loaderвместо to-string-loader: { test: /\. The repository for high quality TypeScript type definitions. Electron-Forge + React + TypeScript = Awesome! 26 Aug 2019. The angular2-template-loader does not support Sass, while the AoT Plugin does. Stay ahead with the world's most comprehensive technology and business learning platform. It's about TypeScript on the server, so running on node. web service的 加载程序. almost 3 years awesome-ts-loaader does not respect inputSourceMap; almost 3 years Incompatible with angular2-template-loader if declaration: true; almost 3 years `Cannot find name 'require'. Suporte ao TypeScript. This is the typescript loader for webpack. ts文件中使用此代码: // The browser platform without a compiler import { platformBrowser } from '@angular/platform-browser'; // The app module factory produced by t. Now we'll modify the directory structure & the configuration files: project. /perceel-list. NET Core ready for dev and production builds. ADVICE: The loader works faster if you will use reportFiles to restrict checking scope. Every application, whether native or web-based, should be tested. Nathan picked up TypeScript in October 2012 - a day after the 0. Project to get you started with your Phaser-CE (using the npm module) game using Typescript and Webpack for building! No hassle asset management, Google Web Font loader, live server, development vs distribution build pipeline, Electron packaging for desktop builds, and more. plugin-typescript - TypeScript loader for SystemJS. Some loaders are included in WebPack, while others must me installed as separate npm packages. Using TypeScript with the TSDocgen addon. babelrc file in ES2015 projects, we use a tsconfig. Some of them are quite big and I wanted to have full control on how my files are compiled. To quickly play around with TypeScript you can install it globally with npm install typescript -g and compile your. NET Core project which makes it easier to deploy. Compare npm package download statistics over time: eslint vs tslint vs typescript eslint parser. The solution provided was browserify with gulp. It looks like the problem is in the way the loader processes our code. vue-typescript-component - Decorators to use TypeScript classes as Vue. TypeScriptは文字通りTypeScript本体です。awesome-typescript-loaderは、設定ファイル( tsconfig. 2,> webpack:2. Pay attention to the line with defaultLoaders. ES6 is the same as ES2015. 😎 Sexier Imports in TypeScript 👻 If you are working with awesome-typescript-loader you need to add the TsConfigPathsPlugin to your webpack config file. There is currenty an on-going Github discussion with potential work-arounds in a variety of use-cases. In AOT mode components are compiled with their templates and styles. Lots of articles, blogs templates exist for ASP. babelrcの代わりにtsconfig. compile webpack: webpack -d render/typescript_main. Advantages Custom file types available for templates and styles through Webpack loaders (SCSS, PUG,…). We walk through the main steps required when using ag-Grid, Angular and Webpack below, but please refer to ag-grid-angular-example on GitHub for a full working example of this. That functionality is provided through module loaders and one of the more broadly used one for Typescript is called awesome-typescript-loader. It runs a full Node. NET MVC in visual studio environment, Its quite easy to integrate angular2 in asp. b) Add/edit the module config property in your webpack. Referencing. web service的 加载程序. use @ngtools/webpack, which is still under development. Check ngc (compiler-cli) support typescript version on github. That is; we should first run typescript to convert to es6, then babel to convert to es5 and finally we should hot load the result. Let me simplify your need. Not all steps in What I did section are updated, but github repo contains all recent changes. Instead of babel-loader, you will use a TypeScript loader. cd packages/my-monorepo-ui-lib yarn add @babel/core @types/storybook__react awesome-typescript-loader babel-loader node-sass sass-loader source-map-loader style-loader -D. This is then passed on to the babel-loader which transpiles it from ES6 down to ES-old-school. 'awesome-typescript-loader' 34. almost 3 years awesome-ts-loaader does not respect inputSourceMap; almost 3 years Incompatible with angular2-template-loader if declaration: true; almost 3 years `Cannot find name 'require'. I haven't had chance to test it yet but I'm pretty confident this should just work with ts-loader (and awesome-typescript-loader as well I should think). See the complete profile on LinkedIn and discover Utkarsh’s connections and jobs at similar companies. Lesson learned: start with main. nvmrc file specifying the node version to use for this project. To use the import() construct the loader must run AFTER the typescript transpilation process, this is after the awesome-typescript-loader in the example below. This loader basically does the job of awesome-typescript-loader + angular-router-loader + angular2-template-loader and adds AOT compilation to the chain. This loader allows you to decouple templates from the component file and maintain AoT compilation. Today we are going to be creating a Webpack based Aurelia application from scratch. Referencing. The compilation works just fine but the appearing render window gives me an SyntaxError: Unexpected token * at BabylonTypescriptE…. NET Core, Angular 2 it works fine. Alternatives: awesome-typescript-loader; MSBuild # Update project file to include locally installed Microsoft. Standard loaders such as ts-loader or the awesome-typescript-loader support transformers out of the box – no need for ttsc. In this mode the Typescript loaders are replaced with the @ngtools/webpack loader. In addition to the above method, I've tried the Extract Text Webpack Plugin but had no luck with that either. This article will demonstrate how to do it using @input binding. I want to move to WebPack building the Typescript so its easier for our CI server to build the project. The plugin takes a bunch of options like the path to tsconfig file, path to the application module, compiler options for AoT and others. 0 components. This means the spread operator in that module needs to be transpile to use object. 0(今の[email protected])でのwebpack. ts-loader uses the TypeScript compiler to, um, compile TypeScript and emit ES6 code. TypeScriptは文字通りTypeScript本体です。awesome-typescript-loaderは、設定ファイル( tsconfig. webpack + babel + typescript + es6 - total solutions! -. If you are using single-file components (SFCs), get the awesome Vetur extension, which provides TypeScript inference inside SFCs and many other great features. awesome-typescript-loader loader was created mostly to speed-up compilation in my own projects. It was authored by John Reilly on Jan, 2015. TypeScript’s carefully considered language features and functionality, and its consistently improving tools, result in a terrifically productive development experience. awesome-typescript-loader loader was created mostly to speed-up compilation in my own projects. This is largely a step-by-step explanation, and you will feel much more confident at the end of the article. 是否可以配置awesome-typescript-loader或webpack或tsc来编译从条目引用(直接,间接)的文件?我想移植现有的应用程序,并希望能够编译我的部分移植代码,而一些未引用的文件不可编译. 280 See Repo On Github. 前言 webpack4正式版发布也有一段时间了, 为了从实际中感受变化, 于是以typescript, react, 结合之前翻译的一篇文章webpack-4. Some of them are quite big and I wanted to have full control on how my files are compiled. So, how do I get started?. gulp-inline-ng2-template - Gulp plugin to inline HTML and CSS into Angular 2 component decorators. An Introduction to TypeScript: Static Typing for the Web. Pay attention to the line with defaultLoaders. vue-2-boilerplate - Vue 2 boilerplate for developing medium to large single page applications by. 报这个错的主要原因是typescript加载器的版本和webpack的版本不兼容导致: 官方有很多typescript加载器的loader。我用的是awesome-typescript-loader 5. 最近在构建一个typescript+react简单项目的时候遇到了一个问题,运行webpack命令的时候报错You may need an appropriate loader to handle this file type. This means the spread operator in that module needs to be transpile to use object. For loaders that embed or tags or reference assets like images, publicPath is used as the href or url() to the file when it's different than their location on disk (as specified by path). Configuring Webpack to Use Typescript. March 07, 2018, Webpack has an awesome TypeScript loader, and there’s good support for some other setups as well. ANGULAR AOT production build. Using custom TypeScript loaders. json * typescript lint config ├──typedoc. tsc + system. It works with AotPlugin together to enable AoT compilation. json but it's not working. If we compile the Angular application with the AOT mode, it performs the compilation of templates with the help of the compiler and then generates the TypeScript files (file names like *ngfactory. Add instance of AngularCompilerPlugin, which has an apply property. If React JS is not your thing I think you still will get a lot of value out of this article, so please read on. AOT (Ahead of Time) Compilation. Runs the following loaders in a worker pool. Some of them are quite big and I wanted to have full control on how my files are compiled. Basically, you can. With HappyPack/thread-loader, down to 79 seconds. you don't show your src, but it looks like you are using inline templates without adding a compiler support for it. vue-loader allows you to use other webpack loaders to process a part of a Vue component.