consolidate build scripts, reorganize source into src/ directory, fix favicon injection

src/shims/fs/index.js

@@ -0,0 +1,38 @@
+import { MetadataCache } from "./metadata-cache.js";
+import { ContentCache } from "./content-cache.js";
+import { transport } from "./transport.js";
+import { createFsPromises } from "./promises.js";
+import { createFsSync } from "./sync.js";
+import { createFsWatch } from "./watch.js";
+import { constants } from "./constants.js";
+
+const metadataCache = new MetadataCache();
+const contentCache = new ContentCache();
+
+const fsPromises = createFsPromises(metadataCache, contentCache, transport);
+const fsSync = createFsSync(metadataCache, contentCache, transport);
+const fsWatch = createFsWatch(transport);
+
+export const fsShim = {
+  promises: fsPromises,
+
+  existsSync: fsSync.existsSync,
+  readFileSync: fsSync.readFileSync,
+  writeFileSync: fsSync.writeFileSync,
+  unlinkSync: fsSync.unlinkSync,
+  accessSync: fsSync.accessSync,
+  statSync: fsSync.statSync,
+  readdirSync: fsSync.readdirSync,
+
+  watch: fsWatch.watch,
+  constants,
+
+  _metadataCache: metadataCache,
+  _contentCache: contentCache,
+
+  async _init(basePath) {
+    const tree = await transport.fetchTree(basePath);
+    metadataCache.populate(tree);
+    console.log(`[shim:fs] Initialized with ${metadataCache.size} entries`);
+  },
+};