Function addSfcMapping

packages/vite/hmr/frameworks/vue/client/index.ts:650–662

(originalPath: string, fileName: string)

// Map a graph id (possibly a .vue source path) to actual import spec
export function addSfcMapping(originalPath: string, fileName: string) {
	try {
		if (!originalPath || !fileName) return;
		const base = originalPath.split('?')[0];
		const norm = normalizeSpec(base);
		// Also derive a relative variant if under app root to handle lookups that slice to that portion
		let rel = norm;
		const srcIdx = norm.indexOf(APP_VIRTUAL_WITH_SLASH);
		if (srcIdx !== -1) rel = norm.slice(srcIdx);
		sfcArtifactMap.set(norm, fileName);
		if (rel !== norm) sfcArtifactMap.set(rel, fileName);
	} catch {}
}

// Build explicit SFC variant URL (script/template). Always preserves the variant query.
function resolveSfcVariantSpec(id: string, type: 'script' | 'template', cacheBustTag?: string): string {