230 lines
12 KiB
Markdown
230 lines
12 KiB
Markdown
# Webpack 5 Boilerplate Template
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[](https://travis-ci.com/WeAreAthlon/frontend-webpack-boilerplate)
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[](https://snyk.io/advisor/npm-package/@weareathlon/frontend-webpack-boilerplate)
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[](https://github.com/WeAreAthlon/frontend-webpack-boilerplate/issues)
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[](https://snyk.io/test/github/WeAreAthlon/frontend-webpack-boilerplate?targetFile=package.json)
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[](https://david-dm.org/WeAreAthlon/frontend-webpack-boilerplate?type=dev)
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[](https://www.npmjs.com/package/@weareathlon/frontend-webpack-boilerplate)
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[](https://github.com/WeAreAthlon/frontend-webpack-boilerplate/blob/master/LICENSE)
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## Demo
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* [Demo page demonstrating building - SASS, JavaScript, Images, Fonts, HTML](https://weareathlon.github.io/frontend-webpack-boilerplate/)
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Table of Contents
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=================
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* [Webpack 5 Boilerplate Template](#webpack-5-boilerplate-template)
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* [Demo](#demo)
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* [Features](#features)
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* [Requirements](#requirements)
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* [Setup](#setup)
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* [Installation](#installation)
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* [Define Package Metadata](#define-package-metadata)
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* [Configuration](#configuration)
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* [Environment Configuration](#environment-configuration)
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* [Additional webpack configuration](#additional-webpack-configuration)
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* [Development](#development)
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* [Assets Source](#assets-source)
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* [Build Assets](#build-assets)
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* [One time build assets for development](#one-time-build-assets-for-development)
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* [Build assets and enable source files watcher](#build-assets-and-enable-source-files-watcher)
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* [Start a development server - reloading automatically after each file change.](#start-a-development-server---reloading-automatically-after-each-file-change)
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* [Production](#production)
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* [Build Assets](#build-assets-1)
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* [Get Built Assets](#get-built-assets)
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* [Run Code Style Linters](#run-code-style-linters)
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* [SASS](#sass)
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* [JavaScript](#javascript)
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* [Additional Tools](#additional-tools)
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* [Run Assets Bundle Analyzer](#run-assets-bundle-analyzer)
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* [Continuous Integration](#continuous-integration)
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## Features
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* **Simple setup** instructions
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* Start development of a project right away with **simple**, **configured**, **linter enabled**, **browser synced** asset files.
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* Configuration per **environment**
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* `development` - [`sourcemaps`](https://webpack.js.org/configuration/devtool/), [`browser synced developmentment server`](https://webpack.js.org/configuration/dev-server/)
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* `production` - [`minification`](https://webpack.js.org/plugins/terser-webpack-plugin/), [`sourcemaps`](https://webpack.js.org/configuration/devtool/)
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* Configurable **browsers versions support**. It uses [`browserslist`](https://github.com/browserslist/browserslist#full-list) - just specify the browsers you want to support in the `package.json` file for `browserslist`:
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```js
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"browserslist": [
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"last 2 versions",
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"> 5%"
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]
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```
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* The built CSS / JavaScript files will respect the **configured supported browser versions** using the following tools:
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* [`autoprefixer`](https://github.com/postcss/autoprefixer) - automatically adds vendor prefixes to CSS rules
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* [`babel-preset-env`](https://babeljs.io/docs/en/babel-preset-env) - smart preset that allows you to use the latest JavaScript without needing to micromanage which syntax transforms (*and optionally, browser polyfills*) are needed by your target environment(s).
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* Demo project files to be used as a reference and **example demo** building of:
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* *JavaScript*
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* *SASS / PostCSS*
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* *HTML* templates
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* *Images* (*CSS backgrounds and image tags*)
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* *Fonts*
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* Support for **assets optimization** for production environment with ability to configure:
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* **Code Minification** of *JavaScript* and *CSS* processed files.
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* **Optimize Assets Loading** - inline and embed **images** / **fonts** files having file size below a *configurable* threshold value.
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* **Images Optimisation** - optimize `jpeg`, `jpg`, `png`, `gif`, `svg` filesize and loading type via [`imagemin`](https://github.com/imagemin/imagemin). Plugin and Loader for webpack to optimize (*compress*) all images using `imagemin`. Do not worry about size of images, now they are always optimized/compressed.
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* Support for **source code syntax style and formatting linters** that analyze source code to flag any programming errors, bugs, stylistic errors or suspicious constructs:
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* **SASS/PostCSS syntax cheker** - you can change or add additional rules in `.sasslintrc` file. Configuration options can be found on [`sass-lint`](https://github.com/sasstools/sass-lint/blob/master/lib/config/sass-lint.yml) documentation.
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* **JavaScript syntax checker** - following the `airbnb` style, you can review and configure the rules in `.eslintrc` file. Configuration options can be found on [`eslint`](https://eslint.org/docs/user-guide/configuring) documentation.
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* Latest [Webpack 5](https://github.com/webpack/webpack) - *JavaScript* module bundler.
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* Latest [SASS/PostCSS](https://github.com/sass/sass) compiler based on Dart `sass`.
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* Latest [Babel 7](https://github.com/babel/babel) (`@babel/core`) - JavaScript compiler - _Use next generation JavaScript, today._
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* Integration with [Travis CI](https://travis-ci.com/)
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* [Demo deployment available to GitHub pages](https://weareathlon.github.io/frontend-webpack-boilerplate/)
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* Configured and ready to use **Webpack Dev Server** plugin for faster local development - [`webpack-dev-server`](https://webpack.js.org/configuration/dev-server/)
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* Integration with [Webpack Bundle Analyzer](https://www.npmjs.com/package/webpack-bundle-analyzer) - _Visualize size of webpack output files with an interactive zoomable treemap._
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## Requirements
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* `node` : `^12 || >=14`
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* `npm`
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# Setup
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## Installation
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1. Choose and download the latest template release from [List of Releases](https://github.com/WeAreAthlon/frontend-webpack-boilerplate/releases).
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2. Extract the release archive to a new directory, rename it to your project name and browse the directory.
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3. Install all dependencies using `npm` *clean install* command.
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```sh
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$ npm ci
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```
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> More on the clean install npm command can be read here [`npm ci`](https://docs.npmjs.com/cli/ci.html)
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> You can still use `npm install` in cases the `npm ci` raises system error due to specific platform incompatibilities.
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## Define Package Metadata
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* Amend `package.json` file and optionally specify:
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* `name` - Name of your project. A name can be optionally prefixed by a scope, e.g. `@myorg/mypackage`.
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* `version` - Specify and maintain a version number indicator for your project code.
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* `author` - Your organisation or just yourself. You can also specify [`contributors`](https://docs.npmjs.com/files/package.json#people-fields-author-contributors).
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* `description` - Short description of your project.
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* `keywords` - Put keywords in it. It’s an array of strings.
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* `repository` - Specify the place where your code lives.
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* `license` - Announce your code license, figure out the license from [Choose an Open Source License](https://choosealicense.com) .
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* `browserslist` - Specify the supported browsers versions - you can refer to [full list](https://github.com/browserslist/browserslist#full-list) of availalbe options.
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# Configuration
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## Environment Configuration
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* Edit the [`configuration/environment.js`](configuration/environment.js) if you want to specify:
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* **`server`**: configure development server, specify `host`, `port`. Refer to the full development server configuration options for [`webpack-dev-server`](https://webpack.js.org/configuration/dev-server/).
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* **`limits`**: configure file size thresholds for assets optimizations.
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* Image/Font files size in bytes. Below this value the image file will be served as Data URL (_inline base64_).
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* **`paths`**: `src` or `dist` directories names and file system location.
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## Additional `webpack` configuration
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You can additionally configure `webpack` for specific environment:
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* `development` - [`configuration/webpack.dev.config.js`](configuration/webpack.dev.config.js)
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* `production` - [`configuration/webpack.prod.config.js`](configuration/webpack.prod.config.js)
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* Note that if you prefer to build and deploy [`sourcemap`](https://webpack.js.org/configuration/devtool/#production) files:
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> You should configure your server to disallow access to the Source Map file for normal users!
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# Development
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## Assets Source
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* **SASS/PostCSS** files are located under `src/scss/`
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* **JavaScript** files with support of latest ECMAScript _ES6 / ECMAScript 2016(ES7)/ etc_ files are located under `src/js/`
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* **Image** files are located under `src/images/`
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* **Font** files are located under `src/fonts/`
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* **HTML** files are located under `src/`
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* It will **automatically** build **all HTML files** placed under `src/` directory, no need to manually configure each template anymore!
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## Build Assets
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### One time build assets for development
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```sh
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$ npm run build
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```
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### Build assets and enable source files watcher
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```sh
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$ npm run watch
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```
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This command is suitable if you develop with external web server.
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> **Note:** File watching does not work with *NFS* (*Windows*) and virtual machines under *VirtualBox*. Extend the configuration in such cases by:
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```js
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module.exports = {
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//...
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watchOptions: {
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poll: 1000 // Check for changes every second
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}
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};
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```
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### Start a development server - reloading automatically after each file change.
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```sh
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$ npm run dev
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```
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# Production
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## Build Assets
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Optimize assets for production by:
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```sh
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$ npm run production
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```
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## Get Built Assets
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* _CSS_ files are located under `/dist/css/`
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* _JavaScript_ files with support of _ES6 / ECMAScript 2016(ES7)_ files are located under `/dist/js/`
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* _Images_ are located under `/dist/images/`
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* Images part of the _design_ (_usually referenced in the CSS_) are located under `/dist/images/design/`
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* Images part of the _content_ (_usually referenced via `<img>` tags_) are located under `/dist/images/content/`
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* _Fonts_ are located under `/dist/fonts/`
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* _HTML_ files are located under `/dist/`
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# Run Code Style Linters
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## SASS
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```sh
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$ npm run lint:sass
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```
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## JavaScript
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```sh
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$ npm run lint:js
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```
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# Additional Tools
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## Run Assets Bundle Analyzer
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```sh
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$ npm run stats
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```
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> This will open the visualisaion on the default configuraiton URL `localhost:8888`, you can change this URL or port following the [package](https://github.com/webpack-contrib/webpack-bundle-analyzer#options-for-cli) documentation.
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## Continuous Integration
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This boilerplate template contains integration with [Travis CI](https://travis-ci.org/). The build system runs all linting scripts and deploys production optimized pages to _GitHub_ pages upon push to the `master` branch. However, note that this deployment flow only works for _Project Pages_, as User and Organization pages [only support the master branch flow](https://help.github.com/articles/user-organization-and-project-pages/).
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For more information on how to set up alternative deployment processes, check out the [Travis CI documentation on deployment](https://docs.travis-ci.com/user/deployment). The service can deploy to dozens of cloud providers, including Heroku, AWS, and Firebase.
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