Fixes #97: SQLite is now async, optimized, tests

2022-10-21 10:00:43 +02:00
parent b9da9b7965
commit c1a78e0105
65 changed files with 329 additions and 142 deletions
@@ -0,0 +1,61 @@
+// This file is never loaded directly, it's loaded via a bundle. Run `deno task generate` to update.
+import { DB } from "./deno-sqlite/mod.ts";
+
+let db: DB | undefined;
+
+import { compile } from "./deno-sqlite/build/sqlite.js";
+const ready = compile();
+
+globalThis.addEventListener("message", (event: MessageEvent) => {
+  const { data } = event;
+  // console.log("Got message", data);
+  ready.then(() => {
+    switch (data.type) {
+      case "init": {
+        try {
+          db = new DB(data.dbPath);
+        } catch (e: any) {
+          // console.error("Error!!!", e, data);
+          respondError(data.id, e);
+          break;
+        }
+        respond(data.id, true);
+        break;
+      }
+      case "execute": {
+        if (!db) {
+          respondError(data.id, new Error("Not initialized"));
+          break;
+        }
+        try {
+          db.query(data.query, data.params);
+          respond(data.id, db.changes);
+        } catch (e: any) {
+          respondError(data.id, e);
+        }
+        break;
+      }
+      case "query": {
+        if (!db) {
+          respondError(data.id, new Error("Not initialized"));
+          break;
+        }
+        try {
+          const result = db.queryEntries(data.query, data.params);
+          respond(data.id, result);
+        } catch (e: any) {
+          respondError(data.id, e);
+        }
+        break;
+      }
+    }
+  }).catch(console.error);
+});
+
+function respond(id: number, result: any) {
+  globalThis.postMessage({ id, result });
+}
+
+function respondError(id: number, error: Error) {
+  globalThis.postMessage({ id, error: error.message });
+}