@vaadin/hilla-file-router/vite-plugin/applyLayouts.js

Hilla file-based router

import { readFile } from "node:fs/promises";
import { join, relative } from "node:path/posix";
import { transformTree } from "../shared/transformTree.js";
import { strip } from "./utils.js";
/**
* Enables Flow layout flag on the matching routes based on the information from the layouts JSON file.
*
* @param routeMeta - The routes tree to process.
* @param layoutsFile - The server layouts JSON file.
* @returns Processed routes tree.
*/
export default async function applyLayouts(routeMeta, layoutsFile) {
	try {
		const layoutContents = await readFile(layoutsFile, "utf-8");
		const availableLayouts = JSON.parse(layoutContents);
		const layoutPaths = availableLayouts.map((layout) => strip(layout.path));
		return transformTree(routeMeta, { path: "" }, (metas, next, ctx) => metas.map((meta) => {
			const currentPath = join(ctx.path, strip(meta.path));
			const children = meta.children ? next(meta.children, { path: currentPath }) : undefined;
			return layoutPaths.some((path) => !relative(path, currentPath).startsWith("..")) ? {
				...meta,
				flowLayout: true,
				children
			} : {
				...meta,
				children
			};
		}));
	} catch (e) {
		if (e instanceof Error && "code" in e && e.code === "ENOENT") {
			return routeMeta;
		}
		throw e;
	}
}
//# sourceMappingURL=./applyLayouts.js.map