Function createSourceSaveCapability

packages/shared/source-save-node.ts:206–238

(
	scope: SourceSaveScope,
	filePath: string,
	folderPath?: string,
)

}

export function createSourceSaveCapability(
	scope: SourceSaveScope,
	filePath: string,
	folderPath?: string,
): SourceSaveCapability {
	if (!isSourceSaveFilePath(filePath)) {
		return disabledSourceSave("unsupported-extension");
	}

	const resolved =
		scope === "folder-file" && folderPath
			? resolveFolderSourceFile(filePath, folderPath)
			: resolveUserPath(filePath);

	if (!resolved) return disabledSourceSave("not-local-file");
	if (!existsSync(resolved)) return disabledSourceSave("missing-file");

	try {
		const real = realpathSync(resolved);
		if (scope === "folder-file" && folderPath) {
			const root = realpathSync(resolveUserPath(folderPath));
			if (!isWithinProjectRoot(real, root)) {
				return disabledSourceSave("not-local-file");
			}
		}
		const stat = statSync(real);
		if (!stat.isFile()) return disabledSourceSave("unsupported-extension");
		const snapshot = readSourceFileSnapshot(real);
		return enabledSourceSave(scope, real, snapshot);
	} catch {
		return disabledSourceSave("unreadable-file");
	}
}

export function saveSourceFileAtomic(
	filePath: string,