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Copyright 2011-2015 Nicolas Petton
Copyright 2014-2017 Herbert Vojčík and Amber contributors
Amber is an implementation of the Smalltalk language that runs on top of the JavaScript runtime. It is designed to make client-side development faster and easier.
Try Amber online and learn more on project page.
Amber is written in itself, including the parser and compiler. Amber compiles into efficient JavaScript, mapping one-to-one with the equivalent JavaScript. There is no interpretation at runtime.
Some highlights:
bower
:
amber-contrib-web
with a canvas to generate HTML, like Seaside, included in a new project by default,silk
with a stream-like wrapping of DOM elements, included in a new project by default,helios
IDE, included in a new project by default,amber-contrib-legacy
with smaller in-page "classic" IDE and some miscellany, included in a new project by default,trysmalltalk
, containing Prof Stef interactive crash course.Amber cli tool to create new projects and assist with development tasks is in a npm package amber-cli
.
Amber engine and core library to be used in projects is in a bower package amber
.
For the installation to work, you need to have installed node
, npm
and git
.
Default node
installers may install npm
as well.
To have git
in Windows, use Git for Windows and select "Run Git from Windows Command Prompt" and "Checkout Windows-style, commit Unix-style" installation options.
For UNIX-based OS (Linux distibutions, FreeBSD, ...) do
npm config set prefix=~/npm
export PATH="$PATH:$HOME/npm/bin"
to have the installation in a local subdirectory in order to avoid the otherwise necessary sudo
installation of Amber. The export line needs to be added to the ~/.profile file as well so that after a new login the path is set.
Do this to install Amber
# Install the CLI tool `amber-cli` and supporting tools
npm install -g grunt-cli grunt-init bower amber-cli
Use amber init
to create a project of your own
# Initialize your project (directory must be empty)
cd /path/to/myproject
amber init
# (optional) Install backward compatibility
bower install amber-compat-es5 --save # be loadable in older browsers
Start developing in Amber Smalltalk
# Serve amber on localhost:4000
amber serve
amber init
project template here: https://lolg.it/amber/grunt-init-amber/issues.amber
/ amberc
cli tools here: https://lolg.it/amber/amber/issues.Please refer to CONTRIBUTING.md for further details.
Please refer to CONTRIBUTING.md for further details. It explains the Amber development setup and how to contribute.
Amber is released under the MIT license. All contributions made for inclusion are considered to be under MIT.