SilverBullet pivot to become an offline-first PWA (#403)

2023-05-23 20:53:53 +02:00
parent b256269897
commit 5f484bed57
389 changed files with 4484 additions and 291129 deletions
@@ -1,16 +1,63 @@
-import { SysCallMapping } from "../../plugos/system.ts";
-import { proxySyscalls } from "../../plugos/syscalls/transport.ts";
-import { Space } from "../../common/spaces/space.ts";
+import type { SysCallMapping } from "../../plugos/system.ts";
+import Dexie from "dexie";

-export function indexerSyscalls(space: Space): SysCallMapping {
-  return proxySyscalls(
-    [
-      "index.queryPrefix",
-      "index.get",
-      "index.set",
-      "index.batchSet",
-      "index.delete",
-    ],
-    (ctx, name, ...args) => space.proxySyscall(ctx.plug, name, args),
-  );
+type Item = {
+  page: string;
+  key: string;
+  value: any;
+};
+
+export type KV = {
+  key: string;
+  value: any;
+};
+
+export function pageIndexSyscalls(
+  dbName: string,
+  indexedDB?: any,
+): SysCallMapping {
+  const db = new Dexie(dbName, {
+    indexedDB,
+  });
+  db.version(1).stores({
+    "index": "[page+key], page, key",
+  });
+  const items = db.table<Item, { key: string; page: string }>("index");
+  const apiObj: SysCallMapping = {
+    "index.set": (_ctx, page: string, key: string, value: any) => {
+      return items.put({ page, key, value });
+    },
+    "index.batchSet": async (_ctx, page: string, kvs: KV[]) => {
+      // await items.bulkPut(kvs);
+      if (kvs.length === 0) {
+        return;
+      }
+      const values = kvs.flatMap((kv) => ({
+        page,
+        key: kv.key,
+        value: kv.value,
+      }));
+      await items.bulkPut(values);
+    },
+    "index.delete": (_ctx, page: string, key: string) => {
+      return items.delete({ page, key });
+    },
+    "index.get": async (_ctx, page: string, key: string) => {
+      return (await items.get({ page, key }))?.value;
+    },
+    "index.queryPrefix": (_ctx, prefix: string) => {
+      return items.where("key").startsWith(prefix).toArray();
+    },
+    "index.clearPageIndexForPage": async (ctx, page: string) => {
+      await apiObj["index.deletePrefixForPage"](ctx, page, "");
+    },
+    "index.deletePrefixForPage": (_ctx, page: string, prefix: string) => {
+      return items.where({ page }).and((it) => it.key.startsWith(prefix))
+        .delete();
+    },
+    "index.clearPageIndex": () => {
+      return items.clear();
+    },
+  };
+  return apiObj;
 }