Modular router && remove $$

src/router.js

@@ -0,0 +1,101 @@
+// src/router.js
+import { h, watch, $, render, onUnmount, isFunc } from './sigpro.js';
+import fs from 'node:fs';
+import path from 'node:path';
+
+const router = routes => {
+  const getHash = () => window.location.hash.slice(1) || "/";
+  const path = $(getHash());
+  const handler = () => path(getHash());
+  window.addEventListener("hashchange", handler);
+  onUnmount(() => window.removeEventListener("hashchange", handler));
+  
+  const hook = h("div", { class: "router-hook" });
+  let currentView = null;
+  
+  watch([path], () => {
+    const cur = path();
+    const route = routes.find(r => {
+      const p1 = r.path.split("/").filter(Boolean);
+      const p2 = cur.split("/").filter(Boolean);
+      return p1.length === p2.length && p1.every((p, i) => p[0] === ":" || p === p2[i]);
+    }) || routes.find(r => r.path === "*");
+    
+    if (route) {
+      currentView?.destroy();
+      const params = {};
+      route.path.split("/").filter(Boolean).forEach((p, i) => {
+        if (p[0] === ":") params[p.slice(1)] = cur.split("/").filter(Boolean)[i];
+      });
+      router.params(params);
+      currentView = render(() => isFunc(route.component) ? route.component(params) : route.component);
+      hook.replaceChildren(currentView.container);
+    }
+  });
+  return hook;
+};
+
+router.params = $({});
+router.to = p => window.location.hash = p.replace(/^#?\/?/, "#/");
+router.back = () => window.history.back();
+router.path = () => window.location.hash.replace(/^#/, "") || "/";
+
+function sigproRouter() {
+  const virtualModuleId = 'virtual:sigpro-routes';
+  const resolvedVirtualModuleId = '\0' + virtualModuleId;
+
+  const getFiles = (dir) => {
+    if (!fs.existsSync(dir)) return [];
+    return fs.readdirSync(dir, { recursive: true })
+      .filter(file => /\.(js|jsx)$/.test(file) && !path.basename(file).startsWith('_'))
+      .map(file => path.resolve(dir, file));
+  };
+
+  const pathToUrl = (pagesDir, filePath) => {
+    let relative = path.relative(pagesDir, filePath)
+      .replace(/\\/g, '/')
+      .replace(/\.(js|jsx)$/, '')
+      .replace(/\/index$/, '')
+      .replace(/^index$/, '');
+    return ('/' + relative)
+      .replace(/\/+/g, '/')
+      .replace(/\[\.\.\.([^\]]+)\]/g, '*')
+      .replace(/\[([^\]]+)\]/g, ':$1')
+      .replace(/\/$/, '') || '/';
+  };
+
+  return {
+    name: 'sigpro-router',
+    resolveId(id) {
+      if (id === virtualModuleId) return resolvedVirtualModuleId;
+    },
+    load(id) {
+      if (id !== resolvedVirtualModuleId) return;
+      const root = process.cwd();
+      const pagesDir = path.resolve(root, 'src/pages');
+      const files = getFiles(pagesDir).sort((a, b) => {
+        const urlA = pathToUrl(pagesDir, a);
+        const urlB = pathToUrl(pagesDir, b);
+        if (urlA.includes(':') && !urlB.includes(':')) return 1;
+        if (!urlA.includes(':') && urlB.includes(':')) return -1;
+        return urlB.length - urlA.length;
+      });
+
+      let routeEntries = '';
+      files.forEach((fullPath) => {
+        const urlPath = pathToUrl(pagesDir, fullPath);
+        const relativeImport = './' + path.relative(root, fullPath).replace(/\\/g, '/');
+        routeEntries += `  { path: '${urlPath}', component: () => import('/${relativeImport}') },\n`;
+      });
+      if (!routeEntries.includes("path: '*'")) {
+        routeEntries += `  { path: '*', component: () => ({ default: () => document.createTextNode('404 - Not Found') }) },\n`;
+      }
+      return `export const routes = [\n${routeEntries}];`;
+    }
+  };
+}
+
+// ============================================================
+// Exportación final (lo que se consume desde 'sigpro/router')
+// ============================================================
+export { router, sigproRouter };