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  • Webby is a Webpack based front-end (static HTML/CSS/JS) builder and Express based web server (back-end).
  • Supported: SASS, LESS, Stylus, CoffeeScript, TypeScript, Babel (ES5, ES6, Stage 0), Pug (Jade), etc.
  • Zero-configuration, low barriers of entry.

If you like Webby, please consider an opportunity to support it on Patreon.


In examples directory you can find common use cases of Webby. Source code of example projects is located in src directory, builded results are located in build directory. See Makefile for more details about Webby execution. The following examples are available:

  • all-in-one: All supported -> JavaScript + CSS + HTML
  • import-stylus: Stylus (with external imports) -> CSS
  • import-sass: SASS (with external imports) -> CSS
  • import-less: LESS (with external imports) -> CSS


  • Install Webby using npm (we assume you have pre-installed Node.js):
npm install webby -g
  • Create new directory, and go into it:
mkdir project && cd project
  • Create file index.js (JavaScript) with content like that:
document.addEventListener('DOMContentLoaded', function() {
  var div = document.createElement('div');
  div.className = 'example';
  div.innerHTML = 'Example';

  • Create file index.sass (SASS) with content like that:
  font-size: 35px
  font-weight: bold
  • Create file index.pug (Pug / Jade) with content like that:
doctype html
    title Example
    link(rel="stylesheet", href="index.css")
  • Create any other files with supported extensions, it will be automatically builded by Webby (see below list of supported languages and file extensions).

  • Run webby build, your project will be builded into build directory, see build results there.

  • Run webby build --watch, build will be started in watch mode.

  • You can also start Webby server with builded results, run: webby server --home build


To see list of supported options, run: webby --help

For now, following options are supported:

Usage: webby <command> [options]

  build [source] [destination]  Build project
  server [home]                 Run server

Build options:
  --source                   Source directory            [string] [default: "."]
  --destination              Destination directory [string] [default: "./build"]
  --watch                    Enable "watch" mode      [boolean] [default: false]
  --weaken                   Disable minimization     [boolean] [default: false]
  --exclude                  Exclude files   [array] [default: ["package.json"]]
  --server                   Enable "server" mode (as package)
                                                      [boolean] [default: false]
  --server-destination       Site destination directory for "server" mode
                                                      [string] [default: "site"]
  --server-default           Default site for "server" mode             [string]
  --server-port              Port number for "server" mode
                                                        [number] [default: 8000]
  --server-domain-aliases    Enable domain aliases for "server" mode
                                                      [boolean] [default: false]
  --multiple                 Enable "multiple" mode   [boolean] [default: false]
  --target                   Target for "multiple" mode                 [string]
  --paths                    Base paths                                  [array]
  --js-paths                 JavaScript paths                            [array]
  --pug-paths, --jade-paths  Pug (Jade) paths                            [array]
  --less-paths               LESS paths                                  [array]
  --sass-paths               SASS paths                                  [array]
  --stylus-paths             Stylus paths                                [array]

Server options:
  --home                     Home directory              [string] [default: "."]
  --port                     Port number                [number] [default: 8000]
  --index                    Index files       [array] [default: ["index.html"]]
  --exclude                  Exclude files                               [array]
  --always-home              Enable "always home" mode[boolean] [default: false]
  --always-home-exclude      Exclude files for "always home" mode
                                              [array] [default: ["favicon.ico"]]
  --multiple                 Enable "multiple" mode   [boolean] [default: false]
  --multiple-domain-aliases  Enable domain based site aliases for "multiple"
                             mode                     [boolean] [default: false]
  --default                  Default site for "multiple" mode
                                                   [string] [default: "default"]
  --server-file              Internal server routing file
                                                [string] [default: "_server.js"]

Other options:
  --help, -h     Show help                                             [boolean]
  --version, -v  Show version number                                   [boolean]

Supported languages and file extensions

Just add file with any name and supported extension (for example: index.js, base.sass) into project directory and it will be automatically builded by Webby. In that files you can include any other files. Folowing languages and file extensions are supported:

  • JavaScript (Babel: ES5, ES6, Stage 0): js, jsx
  • CoffeeScript: coffee
  • TypeScript: ts, tsx
  • CSS: css
  • SASS: sass, scss
  • LESS: less
  • Stylus: styl
  • HTML: html
  • Pug (Jade): pug, jade

About author

Webby has been developed by Nickolay Kovalev. If you have interest job offers, you can see him contacts at his CV. Also, various third-party components are used.



Webby is licensed under ISC license.


Webby is a Webpack based frontend (static HTML/CSS/JS) builder and Express based web server (backend)




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