Extract typst-svg crate

Cargo.lock

@@ -2930,8 +2930,6 @@ dependencies = [
  "unscanny",
  "usvg",
  "wasmi",
- "xmlparser",
- "xmlwriter",
  "xmp-writer",
 ]
 
@@ -2974,6 +2972,7 @@ dependencies = [
  "typst",
  "typst-library",
  "typst-render",
+ "typst-svg",
  "ureq",
  "xz2",
  "zip",
@@ -3080,6 +3079,21 @@ dependencies = [
  "usvg",
 ]
 
+[[package]]
+name = "typst-svg"
+version = "0.9.0"
+dependencies = [
+ "base64",
+ "comemo",
+ "ecow",
+ "flate2",
+ "tracing",
+ "ttf-parser",
+ "typst",
+ "xmlparser",
+ "xmlwriter",
+]
+
 [[package]]
 name = "typst-syntax"
 version = "0.9.0"
@@ -3111,6 +3125,7 @@ dependencies = [
  "typst",
  "typst-library",
  "typst-render",
+ "typst-svg",
  "unscanny",
  "walkdir",
 ]

Cargo.toml

@@ -20,6 +20,7 @@ typst = { path = "crates/typst" }
 typst-library = { path = "crates/typst-library" }
 typst-macros = { path = "crates/typst-macros" }
 typst-render = { path = "crates/typst-render" }
+typst-svg = { path = "crates/typst-svg" }
 typst-syntax = { path = "crates/typst-syntax" }
 az = "1.2"
 base64 = "0.21.2"

crates/typst-cli/Cargo.toml

@@ -23,6 +23,7 @@ doc = false
 typst = { workspace = true }
 typst-library = { workspace = true }
 typst-render = { workspace = true }
+typst-svg = { workspace = true }
 chrono = { workspace = true }
 clap = { workspace = true }
 codespan-reporting = { workspace = true }

crates/typst-cli/src/compile.rs

@@ -226,7 +226,7 @@ fn export_image(
                     .map_err(|err| eco_format!("failed to write PNG file ({err})"))?;
             }
             ImageExportFormat::Svg => {
-                let svg = typst::export::svg(frame);
+                let svg = typst_svg::svg(frame);
                 fs::write(path, svg.as_bytes())
                     .map_err(|err| eco_format!("failed to write SVG file ({err})"))?;
             }

crates/typst-svg/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "typst-svg"
+description = "SVG exporter for Typst."
+version.workspace = true
+rust-version.workspace = true
+authors.workspace = true
+edition.workspace = true
+homepage.workspace = true
+repository.workspace = true
+license.workspace = true
+categories.workspace = true
+keywords.workspace = true
+
+[lib]
+doctest = false
+bench = false
+
+[dependencies]
+typst = { workspace = true }
+base64 = { workspace = true }
+comemo = { workspace = true }
+ecow = { workspace = true}
+flate2 = { workspace = true }
+tracing = { workspace = true }
+ttf-parser = { workspace = true }
+xmlparser = { workspace = true }
+xmlwriter = { workspace = true }

crates/typst-svg/src/lib.rs

@@ -6,18 +6,17 @@ use std::io::Read;
 use base64::Engine;
 use ecow::{eco_format, EcoString};
 use ttf_parser::{GlyphId, OutlineBuilder};
-use xmlwriter::XmlWriter;
-
-use crate::doc::{Frame, FrameItem, FrameKind, GroupItem, TextItem};
-use crate::eval::Repr;
-use crate::font::Font;
-use crate::geom::{
+use typst::doc::{Frame, FrameItem, FrameKind, GroupItem, TextItem};
+use typst::eval::Repr;
+use typst::font::Font;
+use typst::geom::{
     self, Abs, Angle, Axes, Color, FixedStroke, Geometry, Gradient, LineCap, LineJoin,
     Paint, PathItem, Point, Quadrant, Ratio, RatioOrAngle, Relative, Shape, Size,
     Transform,
 };
-use crate::image::{Image, ImageFormat, RasterFormat, VectorFormat};
-use crate::util::hash128;
+use typst::image::{Image, ImageFormat, RasterFormat, VectorFormat};
+use typst::util::hash128;
+use xmlwriter::XmlWriter;
 
 /// The number of segments in a conic gradient.
 /// This is a heuristic value that seems to work well.

crates/typst/Cargo.toml

@@ -53,8 +53,6 @@ unicode-segmentation = { workspace = true }
 unscanny = { workspace = true }
 usvg = { workspace = true }
 wasmi = { workspace = true }
-xmlparser = { workspace = true }
-xmlwriter = { workspace = true }
 xmp-writer = { workspace = true }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]

crates/typst/src/export/mod.rs

@@ -1,7 +1,5 @@
 //! Exporting into external formats.
 
 mod pdf;
-mod svg;
 
 pub use self::pdf::{pdf, PdfPageLabel, PdfPageLabelStyle};
-pub use self::svg::{svg, svg_merged};

tests/Cargo.toml

@@ -10,6 +10,7 @@ publish = false
 typst = { workspace = true }
 typst-library = { workspace = true }
 typst-render = { workspace = true }
+typst-svg = { workspace = true }
 clap = { workspace = true }
 comemo = { workspace = true }
 ecow = { workspace = true }

tests/src/tests.rs

@@ -439,7 +439,7 @@ fn test(
         fs::create_dir_all(png_path.parent().unwrap()).unwrap();
         canvas.save_png(png_path).unwrap();
 
-        let svg = typst::export::svg_merged(&document.pages, Abs::pt(5.0));
+        let svg = typst_svg::svg_merged(&document.pages, Abs::pt(5.0));
         fs::create_dir_all(svg_path.parent().unwrap()).unwrap();
         std::fs::write(svg_path, svg.as_bytes()).unwrap();