Crate embedded_typst 

A typst::World for embedding the Typst compiler in an application.

• Fonts: Typst’s bundled fonts, in-memory fonts, system fonts and font directories. Fonts on disk are read only when a document uses them. Build once, share between compilations.
• EmbeddedWorld: the main source, in-memory files, root directories searched in order, sys.inputs, a fixed date for reproducible output and, with the packages feature, @preview and @local packages.

On wasm32 there is no filesystem: only fonts and files given as data are available, and datetime.today() needs a creation timestamp.

use std::sync::Arc;
use embedded_typst::{EmbeddedWorld, Fonts};
use typst::syntax::VirtualPath;

let fonts = Arc::new(Fonts::builder().typst_fonts().build());
let main = VirtualPath::new("main.typ").unwrap();
let world = EmbeddedWorld::new(main, "#import \"lib.typ\": greet\n#greet", fonts)
    .with_creation_timestamp(0);
world.add_file(VirtualPath::new("lib.typ").unwrap(), b"#let greet = [Hello]".to_vec());

let document = typst::compile::<typst_layout::PagedDocument>(&world)
    .output
    .expect("compiles");
assert_eq!(document.pages().len(), 1);

Structs

Dependency

A file Typst read during a compilation, see EmbeddedWorld::dependencies.

EmbeddedWorld

A Typst world for one compilation: the main source, in-memory files and, on native targets, files looked up in a list of root directories and in Typst packages.

Fonts

Font metadata for Typst plus the fonts themselves. Fonts given as data are loaded up front; fonts found on disk are only read into memory when Typst actually uses them.

FontsBuilder

Collects fonts for Fonts.

Functions

project_file

The id of a file in the project (not in a package).