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- October 13, 2021
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- Just Creative
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- Line 25
- Stylized Web
- Spyre Studios
- Dev To
Webpack 5 : Guide for beginners
The first time using webpack lots of questions would be whirling around, it can be difficult to understand how it works and how it should be used. My goal is to help you understand webpack.
Let's dive into webpack Initialization.
Instead, I'll try to put a small core list to start.
- Entry point
- HTML Template
First, create a directory for your project to live and start the project. There before We will begin by creating the following directory structure:
mkdir webpack-setupcd webpack- setupnpm init -y # creates a default package.json
npm install webpack webpack-cli -save-dev
We will make an src/app folder to contain all source files. I will start by creating a simple index.js file
Lets create a webpack.config.js at the root of the project.
In this example, we'll set the entry point to the src/index.js. We'll have it output in the dist folder, which is where production code gets built. The [name] in the output will be main.
To run the script, we can make a build script that runs the webpack command.
npm run build
The dist folder has been created with main.bundle.js.
So we now have webpack building successfully.
We will start with Loaders in our example
For style, we will install style loader and SCSS, PostCSS, CSS loader packages.
- sass-loader for SCSS and CSS compile
- node-sass for node sass
- postcss-loader - Process CSS with PostCSS
- css-loader resolve CSS imports
- style-loader inject CSS into the Dom
npm i sass-loader postcss-loader css-loader style-loader postcss-preset-env node-sass --save-dev
We will make postCSS.config.js file and add it to the root.
Also, add all loader in webpack config file.
Run to build, you'll see the Sass and PostCSS have been applied.
Create src/images and add an image to it, then try to import it into your index.js file.
Once load the file-loader configured in the webpack.config.js
npm i file-loader --save-dev
You will get an option for output files where we want the exact path (dist/assets/images/**.jpg).
First, put your font files into one folder of your project's application.
Need to load url-loader for features.
npm i --save-dev url-loader
We are using
- babel-loader - Transpile files with webpack.
- @babel/preset-env - Smart defaults for Babel
- @babel/plugin-proposal-class-properties - Custom Babel config
npm i -D babel-loader @babel/core @babel/preset-env @babel/preset-env @babel/plugin-proposal-class-properties
Now we will add some code for load js in webpack.config.js.
We create a .babelrc file in the root of the project for Babel Plugins.
npm run build
How can configuring webpack to generate HTML with
HtmlWebpackPlugin which create file from a template. First, install the plugin.
npm install html-webpack-plugin --save-dev
Create a template.html file in the src folder. We can pass a hash of configuration 'title' options to html-webpack-plugin.
And also add code in webpack config file to build HTML
Now run a build again. See the dist folder now contains an
index.html with the bundle.
To set up for development, we will install
webpack-dev-server. Webpack gives us the option to easily install a server with live
- webpack-dev-server - Development server for webpack
npm install --save-dev webpack-dev-server
Again add a line
mode:'development' to webpack.config.js file. and for run server add a script in package.json:
When running this command, a link to localhost:8080 will automatically pop up in your browser
That shall be enough to get you to start with webpack! We've covered all (Basic,Plugins,Loaders) of the basic Webpack concepts. For further exploration of webpacks capabilities we recommend official docs Webpack
Hope you like it guys here we end our Webpack basic setup! Thank you so much for reading the post.
Happy Coding :)
Original Link: https://dev.to/anitaparmar26/webpack-5-guide-for-beginners-314c