68 lines
2.2 KiB
JavaScript
68 lines
2.2 KiB
JavaScript
import { ensureDirs, DATA_FILE } from "./paths.js";
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// Use global to survive Next.js dev hot-reload (module state resets on reload)
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if (!global._dbAdapter) global._dbAdapter = { instance: null, initPromise: null, logged: false };
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const state = global._dbAdapter;
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async function tryBetterSqlite() {
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try {
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const { createBetterSqliteAdapter } = await import("./adapters/betterSqliteAdapter.js");
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return createBetterSqliteAdapter(DATA_FILE);
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} catch (e) {
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console.warn(`[DB] better-sqlite3 unavailable: ${e.message}`);
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return null;
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}
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}
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async function tryNodeSqlite() {
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// Built-in since Node 22.5.0 — no install needed.
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const [maj, min] = process.versions.node.split(".").map(Number);
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if (maj < 22 || (maj === 22 && min < 5)) return null;
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try {
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const { createNodeSqliteAdapter } = await import("./adapters/nodeSqliteAdapter.js");
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return await createNodeSqliteAdapter(DATA_FILE);
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} catch (e) {
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console.warn(`[DB] node:sqlite unavailable: ${e.message}`);
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return null;
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}
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}
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async function trySqlJs() {
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try {
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const { createSqlJsAdapter } = await import("./adapters/sqljsAdapter.js");
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return await createSqlJsAdapter(DATA_FILE);
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} catch (e) {
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console.warn(`[DB] sql.js unavailable: ${e.message}`);
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return null;
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}
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}
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async function initAdapter() {
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ensureDirs();
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// Order: native (fastest) → built-in (no install) → pure JS (universal)
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let adapter = await tryBetterSqlite();
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if (!adapter) adapter = await tryNodeSqlite();
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if (!adapter) adapter = await trySqlJs();
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if (!adapter) throw new Error("[DB] No SQLite driver available (better-sqlite3 + node:sqlite + sql.js all failed)");
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if (!state.logged) {
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console.log(`[DB] Driver: ${adapter.driver} | file: ${DATA_FILE}`);
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state.logged = true;
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}
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const { runMigrationOnce } = await import("./migrate.js");
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await runMigrationOnce(adapter);
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return adapter;
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}
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export async function getAdapter() {
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if (state.instance) return state.instance;
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if (!state.initPromise) state.initPromise = initAdapter().then((a) => { state.instance = a; return a; });
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return state.initPromise;
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}
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export function getAdapterSync() {
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if (!state.instance) throw new Error("[DB] adapter not initialized — await getAdapter() first");
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return state.instance;
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}
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