extract() — astro Function Reference

Architecture documentation for the extract() function in fontace-font-file-reader.ts from the astro codebase.

Function typescript CoreAstro RenderingEngine

Entity Profile

CoreAstro→ RenderingEngine→ extract() — astro Function Reference

Dependency Diagram

graph TD
  84e7b905_21bb_442d_74e5_358c780fe37e["extract()"]
  35f53ba2_577e_7db6_528c_de4c3cceba1e["FontaceFontFileReader"]
  84e7b905_21bb_442d_74e5_358c780fe37e -->|defined in| 35f53ba2_577e_7db6_528c_de4c3cceba1e
  style 84e7b905_21bb_442d_74e5_358c780fe37e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/astro/src/assets/fonts/infra/fontace-font-file-reader.ts lines 8–24

	extract({ family, url }: { family: string; url: string }): { weight: string; style: Style } {
		try {
			const data = fontace(readFileSync(url));
			return {
				weight: data.weight,
				style: data.style as Style,
			};
		} catch (cause) {
			throw new AstroError(
				{
					...AstroErrorData.CannotDetermineWeightAndStyleFromFontFile,
					message: AstroErrorData.CannotDetermineWeightAndStyleFromFontFile.message(family, url),
				},
				{ cause },
			);
		}
	}