loadLocalImage() — astro Function Reference

Architecture documentation for the loadLocalImage() function in node.ts from the astro codebase.

Function typescript CoreAstro RenderingEngine calls 1

Entity Profile

CoreAstro→ RenderingEngine→ loadLocalImage() — astro Function Reference

Dependency Diagram

graph TD
  6b92f0a2_bdc0_17a6_3da6_70585a39c264["loadLocalImage()"]
  b4396eb3_3c48_69c3_9cdf_b53ef92bae86["node.ts"]
  6b92f0a2_bdc0_17a6_3da6_70585a39c264 -->|defined in| b4396eb3_3c48_69c3_9cdf_b53ef92bae86
  c368da5c_3669_5369_225a_387a561f912d["resolveOutDir()"]
  6b92f0a2_bdc0_17a6_3da6_70585a39c264 -->|calls| c368da5c_3669_5369_225a_387a561f912d
  style 6b92f0a2_bdc0_17a6_3da6_70585a39c264 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/astro/src/assets/endpoint/node.ts lines 10–34

async function loadLocalImage(src: string, url: URL) {
	const outDirURL = resolveOutDir();
	// If the _image segment isn't at the start of the path, we have a base
	const idx = url.pathname.indexOf('/_image');
	if (idx > 0) {
		// Remove the base path
		src = src.slice(idx);
	}
	if (!URL.canParse('.' + src, outDirURL)) {
		return undefined;
	}
	const fileUrl = new URL('.' + src, outDirURL);
	if (fileUrl.protocol !== 'file:') {
		return undefined;
	}
	if (!isParentDirectory(fileURLToPath(outDirURL), fileURLToPath(fileUrl))) {
		return undefined;
	}

	try {
		return await readFile(fileUrl);
	} catch {
		return undefined;
	}
}