PlugOS refactor and other tweaks (#631)

* Prep for in-process plug loading (e.g. for CF workers, Deno Deploy)
* Prototype of fixed in-process loading plugs
* Fix: buttons not to scroll with content
* Better positioning of modal especially on mobile
* Move query caching outside query
* Fix annoying mouse behavior when filter box appears
* Page navigator search tweaks

plugos/runtime.test.ts

@@ -1,20 +1,25 @@
 import { createSandbox } from "./sandboxes/deno_worker_sandbox.ts";
 import { System } from "./system.ts";
-import { assertEquals } from "../test_deps.ts";
+import { assert, assertEquals } from "../test_deps.ts";
 import { compileManifest } from "./compile.ts";
 import { esbuild } from "./deps.ts";
+import {
+  createSandbox as createNoSandbox,
+  runWithSystemLock,
+} from "./sandboxes/no_sandbox.ts";
+import { sleep } from "$sb/lib/async.ts";
+import { SysCallMapping } from "./system.ts";
 
 Deno.test("Run a deno sandbox", async () => {
   const system = new System("server");
   system.registerSyscalls([], {
     addNumbers: (_ctx, a, b) => {
-      console.log("This is the context", _ctx.plug.name);
       return a + b;
     },
     failingSyscall: () => {
       throw new Error("#fail");
     },
-  });
+  } as SysCallMapping);
   system.registerSyscalls(["restricted"], {
     restrictedSyscall: () => {
       return "restricted";
@@ -34,10 +39,8 @@ Deno.test("Run a deno sandbox", async () => {
   );
 
   const plug = await system.load(
-    new URL(`file://${workerPath}`),
     "test",
-    0,
-    createSandbox,
+    createSandbox(new URL(`file://${workerPath}`)),
   );
 
   assertEquals({
@@ -52,12 +55,31 @@ Deno.test("Run a deno sandbox", async () => {
     `file://${workerPath}`
   );
 
-  const plug2 = await system.loadNoSandbox("test", plugExport);
+  const plug2 = await system.load("test", createNoSandbox(plugExport));
 
-  assertEquals({
-    addedNumbers: 3,
-    yamlMessage: "hello: world\n",
-  }, await plug2.invoke("boot", []));
+  let running = false;
+  await Promise.all([
+    runWithSystemLock(system, async () => {
+      console.log("Starting first run");
+      running = true;
+      await sleep(5);
+      assertEquals({
+        addedNumbers: 3,
+        yamlMessage: "hello: world\n",
+      }, await plug2.invoke("boot", []));
+      console.log("Done first run");
+      running = false;
+    }),
+    runWithSystemLock(system, async () => {
+      assert(!running);
+      console.log("Starting second run");
+      assertEquals({
+        addedNumbers: 3,
+        yamlMessage: "hello: world\n",
+      }, await plug2.invoke("boot", []));
+      console.log("Done second run");
+    }),
+  ]);
 
   await system.unloadAll();