Migrate to Deno (#86)

Big bang migration to Deno 🤯

web/boot.ts

@@ -0,0 +1,64 @@
+import { Editor } from "./editor.tsx";
+import { parseYamlSettings, safeRun } from "../common/util.ts";
+import { Space } from "../common/spaces/space.ts";
+import { HttpSpacePrimitives } from "../common/spaces/http_space_primitives.ts";
+
+safeRun(async () => {
+  let password: string | undefined = localStorage.getItem("password") ||
+    undefined;
+
+  let httpPrimitives = new HttpSpacePrimitives("", password);
+  let settingsPageText = "";
+  while (true) {
+    try {
+      settingsPageText = (
+        await httpPrimitives.readFile("SETTINGS.md", "string")
+      ).data as string;
+      break;
+    } catch (e: any) {
+      if (e.message === "Unauthorized") {
+        password = prompt("Password: ") || undefined;
+        if (!password) {
+          alert("Sorry, need a password");
+          return;
+        }
+        localStorage.setItem("password", password!);
+        httpPrimitives = new HttpSpacePrimitives("", password);
+      }
+    }
+  }
+  const serverSpace = new Space(httpPrimitives);
+  serverSpace.watch();
+
+  console.log("Booting...");
+
+  const settings = parseYamlSettings(settingsPageText);
+
+  const editor = new Editor(
+    serverSpace,
+    document.getElementById("sb-root")!,
+    "",
+    settings.indexPage || "index",
+  );
+  await editor.init();
+  // @ts-ignore: for convenience
+  window.editor = editor;
+});
+
+// if (localStorage.getItem("disable_sw") !== "true") {
+if (navigator.serviceWorker) {
+  navigator.serviceWorker
+    .register(new URL("service_worker.js", location.href), {
+      type: "module",
+    })
+    .then((r) => {
+      console.log("Service worker registered...");
+    });
+} else {
+  console.log(
+    "No launching service worker (not present, maybe because not running on localhost or over SSL)",
+  );
+}
+// } else {
+//   console.log("Service worker disabled via disable_sw");
+// }