getFileInfo() — astro Function Reference

Architecture documentation for the getFileInfo() function in utils.ts from the astro codebase.

Function typescript CoreAstro RoutingSystem calls 1

Entity Profile

CoreAstro→ RoutingSystem→ getFileInfo() — astro Function Reference

Dependency Diagram

graph TD
  b08b2af1_220d_e8ce_fa35_c6838e614f4e["getFileInfo()"]
  579be117_6aa8_f4e4_0e48_c4a41ab4204a["utils.ts"]
  b08b2af1_220d_e8ce_fa35_c6838e614f4e -->|defined in| 579be117_6aa8_f4e4_0e48_c4a41ab4204a
  ce8c3869_e144_604f_1380_c3c27dc71951["appendForwardSlash()"]
  b08b2af1_220d_e8ce_fa35_c6838e614f4e -->|calls| ce8c3869_e144_604f_1380_c3c27dc71951
  style b08b2af1_220d_e8ce_fa35_c6838e614f4e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/integrations/mdx/src/utils.ts lines 19–45

export function getFileInfo(id: string, config: AstroConfig): FileInfo {
	const sitePathname = appendForwardSlash(
		config.site ? new URL(config.base, config.site).pathname : config.base,
	);

	// Try to grab the file's actual URL
	let url: URL | undefined = undefined;
	try {
		url = new URL(`file://${id}`);
	} catch {}

	const fileId = id.split('?')[0];
	let fileUrl: string;
	const isPage = fileId.includes('/pages/');
	if (isPage) {
		fileUrl = fileId.replace(/^.*?\/pages\//, sitePathname).replace(/(?:\/index)?\.mdx$/, '');
	} else if (url?.pathname.startsWith(config.root.pathname)) {
		fileUrl = url.pathname.slice(config.root.pathname.length);
	} else {
		fileUrl = fileId;
	}

	if (fileUrl && config.trailingSlash === 'always') {
		fileUrl = appendForwardSlash(fileUrl);
	}
	return { fileId, fileUrl };
}