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Nikita Sivukhin
2025-09-10 03:01:37 +04:00
parent 8ab8b31cb1
commit d55026f84f
75 changed files with 3553 additions and 5535 deletions
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64
bindings/javascript/packages/browser/promise.ts
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@@ -1,50 +1,24 @@
import { DatabasePromise, NativeDatabase, DatabaseOpts, SqliteError } from "@tursodatabase/database-common"
import { registerFileAtWorker, unregisterFileAtWorker } from "@tursodatabase/database-browser-common"
import { DatabasePromise, NativeDatabase, DatabaseOpts, SqliteError, } from "@tursodatabase/database-common"
import { connect as nativeConnect, initThreadPool, MainWorker } from "#index";
let workerRequestId = 0;
class Database extends DatabasePromise {
files: string[];
constructor(db: NativeDatabase, files: string[], opts: DatabaseOpts = {}) {
path: string | null;
constructor(db: NativeDatabase, fsPath: string | null, opts: DatabaseOpts = {}) {
super(db, opts)
this.files = files;
this.path = fsPath;
}
async close() {
let currentId = workerRequestId;
workerRequestId += this.files.length;
let tasks = [];
for (const file of this.files) {
(MainWorker as any).postMessage({ __turso__: "unregister", path: file, id: currentId });
tasks.push(waitFor(currentId));
currentId += 1;
if (this.path != null) {
await Promise.all([
unregisterFileAtWorker(MainWorker, this.path),
unregisterFileAtWorker(MainWorker, `${this.path}-wal`)
]);
}
await Promise.all(tasks);
this.db.close();
}
}
function waitFor(id: number): Promise<any> {
let waitResolve, waitReject;
const callback = msg => {
if (msg.data.id == id) {
if (msg.data.error != null) {
waitReject(msg.data.error)
} else {
waitResolve()
}
cleanup();
}
};
const cleanup = () => (MainWorker as any).removeEventListener("message", callback);
(MainWorker as any).addEventListener("message", callback);
const result = new Promise((resolve, reject) => {
waitResolve = resolve;
waitReject = reject;
});
return result;
}
/**
* Creates a new database connection asynchronously.
*
@@ -55,24 +29,18 @@ function waitFor(id: number): Promise<any> {
async function connect(path: string, opts: DatabaseOpts = {}): Promise<Database> {
if (path == ":memory:") {
const db = await nativeConnect(path, { tracing: opts.tracing });
return new Database(db, [], opts);
return new Database(db, null, opts);
}
await initThreadPool();
if (MainWorker == null) {
throw new Error("panic: MainWorker is not set");
}
let currentId = workerRequestId;
workerRequestId += 2;
let dbHandlePromise = waitFor(currentId);
let walHandlePromise = waitFor(currentId + 1);
(MainWorker as any).postMessage({ __turso__: "register", path: `${path}`, id: currentId });
(MainWorker as any).postMessage({ __turso__: "register", path: `${path}-wal`, id: currentId + 1 });
await Promise.all([dbHandlePromise, walHandlePromise]);
await Promise.all([
registerFileAtWorker(MainWorker, path),
registerFileAtWorker(MainWorker, `${path}-wal`)
]);
const db = await nativeConnect(path, { tracing: opts.tracing });
const files = [path, `${path}-wal`];
return new Database(db, files, opts);
return new Database(db, path, opts);
}
export { connect, Database, SqliteError }