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import { FileStorage } from "@flystorage/file-storage";
import { LocalStorageAdapter } from "@flystorage/local-fs";
import fs from "fs/promises";
import { Log } from "../util/log";
import { App } from "../app/app";
import { AppPath } from "../app/path";
import { Bus } from "../bus";
import z from "zod";
export namespace Storage {
const log = Log.create({ service: "storage" });
export const Event = {
Write: Bus.event(
"storage.write",
z.object({ key: z.string(), content: z.any() }),
),
};
const state = App.state("storage", async () => {
const app = await App.use();
const storageDir = AppPath.storage(app.root);
await fs.mkdir(storageDir, { recursive: true });
const storage = new FileStorage(new LocalStorageAdapter(storageDir));
log.info("created", { path: storageDir });
return {
storage,
};
});
export async function readJSON<T>(key: string) {
const storage = await state().then((x) => x.storage);
const data = await storage.readToString(key + ".json");
return JSON.parse(data) as T;
}
export async function writeJSON<T>(key: string, content: T) {
const storage = await state().then((x) => x.storage);
const json = JSON.stringify(content);
await storage.write(key + ".json", json);
Bus.publish(Event.Write, { key, content });
}
export async function* list(prefix: string) {
try {
const storage = await state().then((x) => x.storage);
const list = storage.list(prefix);
for await (const item of list) {
yield item.path.slice(0, -5);
}
} catch {
return;
}
}
}
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