What does D2 look like?
# Actors
hans: Hans Niemann
defendants: {
mc: Magnus Carlsen
playmagnus: Play Magnus Group
chesscom: Chess.com
naka: Hikaru Nakamura
mc -> playmagnus: Owns majority
playmagnus <-> chesscom: Merger talks
chesscom -> naka: Sponsoring
}
# Accusations
hans -> defendants: 'sueing for $100M'
# Offense
defendants.naka -> hans: Accused of cheating on his stream
defendants.mc -> hans: Lost then withdrew with accusations
defendants.chesscom -> hans: 72 page report of cheating
There is syntax highlighting with the editor plugins linked below.
Rendered with the TALA layout engine.
For more examples, see ./docs/examples.
Quickstart
The most convenient way to use D2 is to just run it as a CLI executable to produce SVGs from .d2 files.
# First, install D2 curl -fsSL https://d2lang.com/install.sh | sh -s -- echo 'x -> y -> z' > in.d2 d2 --watch in.d2 out.svg
A browser window will open with out.svg and live-reload on changes to in.d2.
Install
The easiest way to install is with our install script:
curl -fsSL https://d2lang.com/install.sh | sh -s --
You can run the install script with --dry-run to see the commands that will be used to install without executing them.
Or if you have Go installed you can install from source though you won’t get the manpage:
go install oss.terrastruct.com/d2@latest
You can also install a release from source which will include manpages. See ./docs/INSTALL.md#source-release.
To uninstall with the install script:
curl -fsSL https://d2lang.com/install.sh | sh -s -- --uninstall
For detailed installation docs, see ./docs/INSTALL.md. We demonstrate alternative methods and examples for each OS.
As well, the functioning of the install script is described in detail to alleviate any concern of its use. We recommend using your OS’s package manager directly instead for improved security but the install script is by no means insecure.
D2 as a library
In addition to being a runnable CLI tool, D2 can also be used to produce diagrams from Go programs.
For examples, see ./docs/examples/lib. This blog post also demos a complete, runnable example of using D2 as a library for a real-world use case.
Themes
D2 includes a variety of official themes to style your diagrams beautifully right out of the box. See ./d2themes to browse the available themes and make or contribute your own creation.
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