@nrwl/devkit
Advanced tools
The @nrwl/devkit package is a set of utilities designed to improve the developer experience by providing tools for building, testing, and managing Angular and React projects within a monorepo setup. It is part of the Nx ecosystem, which focuses on bringing a unified approach to working with modern web technologies.
Generating Components
This feature allows developers to programmatically generate components or other files within their project. The code sample demonstrates how to use the `generateFiles` function to create a new component in a library within the monorepo.
import { generateFiles } from '@nrwl/devkit';
function generateMyComponent(tree, schema) {
generateFiles(tree, path.join(__dirname, './files'), '/libs/mylib/src/lib', {
tmpl: '',
name: schema.name
});
}Updating JSON Configuration
This feature provides a straightforward way to update JSON files, such as `tsconfig.json` or `.eslintrc.json`, programmatically. The code sample shows how to modify the `tsconfig.base.json` to add a new path mapping for a library.
import { updateJson } from '@nrwl/devkit';
function updateTsConfig(tree) {
updateJson(tree, 'tsconfig.base.json', (json) => {
json.compilerOptions.paths['@myorg/mylib'] = ['libs/mylib/src/index.ts'];
return json;
});
}Executing Schematic Tasks
This feature enables developers to execute tasks such as adding project configurations or formatting files. The code sample illustrates how to add a new library configuration to the workspace and then format all files according to the workspace's prettier or eslint configurations.
import { addProjectConfiguration, Tree, formatFiles } from '@nrwl/devkit';
function addMyLib(tree: Tree) {
addProjectConfiguration(tree, 'my-lib', {
root: './libs/my-lib',
projectType: 'library',
targets: {},
});
formatFiles(tree);
}Lerna is a tool for managing JavaScript projects with multiple packages, similar to the Nx workspace concept. While Lerna focuses on multi-package repositories (monorepos), it does not provide the same level of integration for Angular and React projects or the same developer tools and utilities as @nrwl/devkit.
Yeoman is a generic scaffolding system allowing the creation of any kind of app. It provides generators for a wide variety of applications and frameworks. Compared to @nrwl/devkit, Yeoman is more flexible but lacks the specific optimizations and integrations for Angular and React projects within a monorepo setup.
🔎 Extensible Dev Tools for Monorepos.
Nx helps scale your development from one team building one application to many teams building multiple frontend and backend applications all in the same workspace. When using Nx, developers have a holistic dev experience powered by an advanced CLI (with editor plugins), capabilities for controlled code sharing and consistent code generation.
Nx is smart. It analyzes your workspace and figures out what can be affected by every code change. That's why Nx doesn't rebuild and retest everything on every commit--it only rebuilds what is necessary.
Nx also uses a distributed computation cache. If someone has already built or tested similar code, Nx will use their results to speed up the command for everyone else instead of rebuilding or retesting the code from scratch. This, in combination with Nx’s support for distributed and incremental builds, can help teams see up to 10x reduction in build and test times.
Nx is an open platform with plugins for many modern tools and frameworks. It has support for TypeScript, React, Angular, Cypress, Jest, Prettier, Nest.js, Next.js, Storybook, Ionic among others. With Nx, you get a consistent dev experience regardless of the tools used.
Using npx
npx create-nx-workspace
Using npm init
npm init nx-workspace
Using yarn create
yarn create nx-workspace
The create-nx-workspace command will ask you to select a preset, which will configure some plugins and create your applications to help you get started.
? What to create in the new workspace (Use arrow keys)
❯ empty [an empty workspace with a layout that works best for building apps]
oss [an empty workspace with a layout that works best for open-source projects]
web components [a workspace with a single app built using web components]
angular [a workspace with a single Angular application]
angular-nest [a workspace with a full stack application (Angular + Nest)]
react [a workspace with a single React application]
react-express [a workspace with a full stack application (React + Express)]
next.js [a workspace with a single Next.js application]
Select the preset that works best for you.
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Smarter & Faster Angular Development with Nx (ngconf webinar), Juri Strumpflohner, Isaac Mann (Oct 16, 2020)
React Development At Scale (React Vancouver Virtual Meetup), Jack Hsu (May 27, 2020)
Scalable React Development (React Summit Remote Edition), Jason Jean (April 17, 2020)
Slides: https://prezi.com/view/fm9sUbR7vbr5fZlO9C8D/
Beyond Basics: Scaling Development across Large Teams (Angular Rome Meetup online), Juri Strumpflohner (April 2, 2020)
Develop like Google, Microsoft, and Facebook with Nx - Dev Nexus, Jason Jean (February 18, 2020)
Enhancing the workspace with Custom Builders - AngularToronto, Benjamin Cabanes (February 18, 2020)
Advanced Nx - Angular Air, Isaac Mann (February 5th, 2020)
Teach Me Anything - HackFlix - Isaac Mann (January 9th, 2020)
E2E Testing at Half the Cost - NG-BE 2019, Isaac Mann (Dev 10, 2019)
Sneak Peek of New Nx Workspace Course - ngHouston, Isaac Mann (Nov 27, 2019)
Building Large Angular Apps - ngBucharest, Isaac Mann (March 30, 2019)
Modern Development with Angular CLI & Nrwl Nx, Victor Savkin at ngAtlanta (Feb 5, 2019)
Supercharging the Angular CLI - ngVikings, James Henry (March 10, 2018)
Hands on Full Stack development with Nx and Bazel - ngConf, Alex Eagle, Torgeir Helgevold (April 19, 2018)
Angular at Large Organizations - ngConf, Victor Savkin(April 20, 2018)
Building Large Angular Apps Successfully with Nx - AngularNYC Meetup, Jason Jean (December 19, 2018)
Nx Plugins - ngHouston, Wes Grimes and Jon Cammisuli (April 8 2020)
Apollo GQL, Angular & Nx - ngHouston, Philip Fulcher (Feb 26, 2020)
Teach Me Anything - With Isaac Mann from Nrwl, Isaac Mann (Jan 9, 2020)
Sneak Peek of New Nx Workspace Course - ngHouston, Isaac Mann (Nov 27, 2019)
React Roundup: Nx and Monorepos, Victor Savkin (Oct 1, 2019)
Nx and Angular CLI - Adventures in Angular, Brandon Roberts (Aug 27th 2019)
ngHouston: NX Demo (Dec 7, 2017)
ngAir 140: Nx for Enterprise Angular Development, Victor Savkin (Dec 12, 2017)
Group all your stories into a single viewable Storybook with Nx
Nx Console - A Must-Have Visual Studio Code Extension for Angular Developers
Setting up distributed caching using Nx Cloud, @nrwl/nx-cloud
High Quality React apps with Nx & Cypress (April 2020)
Shell Library patterns with Nx and Monorepo Architectures (March 2020)
nx-examples repo has branches for different nx comments to display expected behavior and example app and libraries. Check out the branch (workspace, ngrx...) to see what gets created for you. More info on readme.
FAQs
The Nx Devkit is used to customize Nx for different technologies and use cases. It contains many utility functions for reading and writing files, updating configuration, working with Abstract Syntax Trees(ASTs), and more. Learn more about [extending Nx by
The npm package @nrwl/devkit receives a total of 3,540,986 weekly downloads. As such, @nrwl/devkit popularity was classified as popular.
We found that @nrwl/devkit demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 7 open source maintainers collaborating on the project.
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