Fix some nasty bug

plugos/environments/iframe_sandbox.ts

@@ -44,6 +44,7 @@ class IFrameWrapper implements WorkerLike {
   }
 
   terminate() {
+    console.log("Terminating iframe sandbox");
     window.removeEventListener("message", this.messageListener);
     return this.iframe.remove();
   }

plugos/system.ts

@@ -87,6 +87,7 @@ export class System<HookT> extends EventEmitter<SystemEvents<HookT>> {
     sandboxFactory: SandboxFactory<HookT>
   ): Promise<Plug<HookT>> {
     if (this.plugs.has(name)) {
+      console.log("Unloading", name);
       await this.unload(name);
     }
     // Validate

plugs/core/materialized_queries.ts

@@ -30,7 +30,8 @@ export async function updateMaterializedQueriesCommand() {
     "updateMaterializedQueriesOnPage",
     await syscall("editor.getCurrentPage")
   );
-  syscall("editor.flashNotification", "Updated materialized queries");
+  await syscall("editor.reloadPage");
+  await syscall("editor.flashNotification", "Updated materialized queries");
 }
 
 // Called from client, running on server
@@ -59,6 +60,21 @@ export async function updateMaterializedQueriesOnPage(pageName: string) {
           }
         }
         return `${startQuery}\n${results.join("\n")}\n${endQuery}`;
+      case "link":
+        let uniqueLinks = new Set<string>();
+        for (let {key, page, value: name} of await syscall(
+            "index.scanPrefixGlobal",
+            `pl:${pageName}:`
+        )) {
+          let [, pos] = key.split(":");
+          if (!filter || (filter && name.includes(filter))) {
+            uniqueLinks.add(name);
+          }
+        }
+        for (const uniqueResult of uniqueLinks) {
+          results.push(`* [[${uniqueResult}]]`);
+        }
+        return `${startQuery}\n${results.sort().join("\n")}\n${endQuery}`;
       case "item":
         for (let {
           key,

server/api_server.ts

@@ -12,6 +12,8 @@ import spaceSyscalls from "./syscalls/space";
 import { eventSyscalls } from "../plugos/syscalls/event";
 import { pageIndexSyscalls } from "./syscalls";
 import knex, { Knex } from "knex";
+import shellSyscalls from "../plugos/syscalls/shell.node";
+import { NodeCronHook } from "../plugos/hooks/node_cron";
 
 export class ExpressServer {
   app: Express;
@@ -47,6 +49,10 @@ export class ExpressServer {
       },
       useNullAsDefault: true,
     });
+
+    system.registerSyscalls("shell", ["shell"], shellSyscalls(rootPath));
+    system.addHook(new NodeCronHook());
+
     system.registerSyscalls("index", [], pageIndexSyscalls(this.db));
     system.registerSyscalls("space", [], spaceSyscalls(this.storage));
     system.registerSyscalls("event", [], eventSyscalls(this.eventHook));
@@ -69,7 +75,7 @@ export class ExpressServer {
       .route(/\/(.+)/)
       .get(async (req, res) => {
         let pageName = req.params[0];
-        console.log("Getting", pageName);
+        // console.log("Getting", pageName);
         try {
           let pageData = await this.storage.readPage(pageName);
           res.status(200);
@@ -80,7 +86,7 @@ export class ExpressServer {
           res.status(200);
           res.send("");
         }
-      })
+      };)
       .put(bodyParser.text({ type: "*/*" }), async (req, res) => {
         let pageName = req.params[0];
         console.log("Saving", pageName);

server/server.ts

@@ -5,10 +5,8 @@ import http from "http";
 import yargs from "yargs";
 import {hideBin} from "yargs/helpers";
 import {SilverBulletHooks} from "../common/manifest";
-import {ExpressServer} from "./express_server";
+import {ExpressServer} from "./api_server";
 import {DiskPlugLoader} from "../plugos/plug_loader";
-import {NodeCronHook} from "../plugos/hooks/node_cron";
-import shellSyscalls from "../plugos/syscalls/shell.node";
 import {System} from "../plugos/system";
 
 let args = yargs(hideBin(process.argv))
@@ -44,8 +42,6 @@ expressServer
     );
     await plugLoader.loadPlugs();
     plugLoader.watcher();
-    system.registerSyscalls("shell", ["shell"], shellSyscalls(pagesPath));
-    system.addHook(new NodeCronHook());
     server.listen(port, () => {
       console.log(`Server listening on port ${port}`);
     });

webapp/editor.tsx

@@ -36,7 +36,7 @@ import indexerSyscalls from "./syscalls/indexer";
 import spaceSyscalls from "./syscalls/space";
 import { Action, AppViewState, initialViewState } from "./types";
 import { SilverBulletHooks } from "../common/manifest";
-import { safeRun } from "./util";
+import { safeRun, throttle } from "./util";
 import { System } from "../plugos/system";
 import { EventHook } from "../plugos/hooks/event";
 import { systemSyscalls } from "./syscalls/system";
@@ -132,6 +132,10 @@ export class Editor implements AppEventDispatcher {
       }
     });
 
+    let throttledRebuildEditorState = throttle(() => {
+      this.rebuildEditorState();
+    }, 100);
+
     this.space.on({
       pageCreated: (meta) => {
         console.log("Page created", meta);
@@ -156,12 +160,14 @@ export class Editor implements AppEventDispatcher {
         safeRun(async () => {
           console.log("Plug load", plugName);
           await this.system.load(plugName, plug, createIFrameSandbox);
+          throttledRebuildEditorState();
         });
       },
       plugUnloaded: (plugName) => {
         safeRun(async () => {
           console.log("Plug unload", plugName);
           await this.system.unload(plugName);
+          throttledRebuildEditorState();
         });
       },
     });
@@ -364,6 +370,15 @@ export class Editor implements AppEventDispatcher {
     });
   }
 
+  rebuildEditorState() {
+    const editorView = this.editorView;
+    if (editorView && this.currentPage) {
+      editorView.setState(
+        this.createEditorState(this.currentPage, editorView.state.sliceDoc())
+      );
+    }
+  }
+
   reloadPage() {
     console.log("Reloading page");
     safeRun(async () => {

webapp/space.ts

@@ -185,7 +185,6 @@ export class Space extends EventEmitter<SpaceEvents> {
     name: string,
     args: any[]
   ): Promise<any> {
-    console.log("Making a remote syscall", name, args);
     let req = await fetch(`${this.plugUrl}/${plug.name}/syscall/${name}`, {
       method: "POST",
       headers: {
@@ -204,7 +203,6 @@ export class Space extends EventEmitter<SpaceEvents> {
   }
 
   async remoteInvoke(plug: Plug<any>, name: string, args: any[]): Promise<any> {
-    console.log("Making a remote syscall", name, JSON.stringify(args));
     let req = await fetch(`${this.plugUrl}/${plug.name}/function/${name}`, {
       method: "POST",
       headers: {

webapp/syscalls/editor.ts

@@ -39,6 +39,9 @@ export default (editor: Editor): SysCallMapping => ({
   navigate: async (ctx, name: string, pos: number) => {
     await editor.navigate(name, pos);
   },
+  reloadPage: async (ctx) => {
+    await editor.reloadPage();
+  },
   openUrl: async (ctx, url: string) => {
     window.open(url, "_blank")!.focus();
   },