54 lines
1.2 KiB
TypeScript
54 lines
1.2 KiB
TypeScript
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import { DuckDBConnection, DuckDBInstance } from "@duckdb/node-api";
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import { Migrations } from "./migrations/migrations.ts";
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export class Manager {
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/**
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* The internal database connection, available when the manager is initialized.
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* @protected
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*/
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protected database?: DuckDBInstance;
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/**
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* Main initialization promise.
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* @protected
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*/
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protected initialization: Promise<void>;
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constructor(public readonly options: { databasePath?: string } = {}) {
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this.initialization = this.initialize();
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}
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/**
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* Initialize the infernod manager.
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*/
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async initialize(): Promise<void> {
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this.database = await DuckDBInstance.create(this.databasePath);
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// Setup database.
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const migrations = new Migrations(this);
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await migrations.execute();
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await migrations.close();
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}
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/**
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* Return the promise to wait for initialization.
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*/
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async waitForInitialized(): Promise<void> {
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return this.initialization;
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}
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/**
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* Get database path option, using default value if undefined.
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*/
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get databasePath(): string {
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return this.options?.databasePath ?? "infernod.db";
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}
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/**
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* Get a new database connection.
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*/
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newDatabaseConnection(): Promise<DuckDBConnection> {
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return this.database!.connect();
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}
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}
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