trackStyleHashes() — astro Function Reference

Architecture documentation for the trackStyleHashes() function in common.ts from the astro codebase.

Function typescript CoreAstro RenderingEngine

Entity Profile

CoreAstro→ RenderingEngine→ trackStyleHashes() — astro Function Reference

Dependency Diagram

graph TD
  21d60b5d_fe02_4e91_ee0f_6e712b06625d["trackStyleHashes()"]
  0f62fcfb_9504_86a2_16bb_d8a9742e1f23["common.ts"]
  21d60b5d_fe02_4e91_ee0f_6e712b06625d -->|defined in| 0f62fcfb_9504_86a2_16bb_d8a9742e1f23
  style 21d60b5d_fe02_4e91_ee0f_6e712b06625d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/astro/src/core/csp/common.ts lines 96–125

export async function trackStyleHashes(
	internals: BuildInternals,
	settings: AstroSettings,
	algorithm: CspAlgorithm,
): Promise<string[]> {
	const clientStyleHashes: string[] = [];
	for (const [_, page] of internals.pagesByViteID.entries()) {
		for (const style of page.styles) {
			if (style.sheet.type === 'inline') {
				clientStyleHashes.push(await generateCspDigest(style.sheet.content, algorithm));
			}
		}
	}

	for (const clientAsset in internals.clientChunksAndAssets) {
		const contents = readFileSync(
			fileURLToPath(new URL(clientAsset, settings.config.build.client)),
			'utf-8',
		);
		if (clientAsset.endsWith('.css') || clientAsset.endsWith('.css')) {
			clientStyleHashes.push(await generateCspDigest(contents, algorithm));
		}
	}

	if (settings.renderers.length > 0) {
		clientStyleHashes.push(await generateCspDigest(ISLAND_STYLES, algorithm));
	}

	return clientStyleHashes;
}