kysely-libsql/dist/index.js

Kysely dialect for libSQL

// src/index.ts
import * as libsql from "@libsql/client";
import * as kysely from "kysely";
var LibsqlDialect = class {
  #config;
  constructor(config) {
    this.#config = config;
  }
  createAdapter() {
    return new kysely.SqliteAdapter();
  }
  createDriver() {
    let client;
    let closeClient;
    if ("client" in this.#config) {
      client = this.#config.client;
      closeClient = false;
    } else if (this.#config.url !== void 0) {
      client = libsql.createClient(this.#config);
      closeClient = true;
    } else {
      throw new Error(
        "Please specify either `client` or `url` in the LibsqlDialect config"
      );
    }
    return new LibsqlDriver(client, closeClient);
  }
  createIntrospector(db) {
    return new kysely.SqliteIntrospector(db);
  }
  createQueryCompiler() {
    return new kysely.SqliteQueryCompiler();
  }
};
var LibsqlDriver = class {
  client;
  #closeClient;
  constructor(client, closeClient) {
    this.client = client;
    this.#closeClient = closeClient;
  }
  async init() {
  }
  async acquireConnection() {
    return new LibsqlConnection(this.client);
  }
  async beginTransaction(connection, _settings) {
    await connection.beginTransaction();
  }
  async commitTransaction(connection) {
    await connection.commitTransaction();
  }
  async rollbackTransaction(connection) {
    await connection.rollbackTransaction();
  }
  async releaseConnection(_conn) {
  }
  async destroy() {
    if (this.#closeClient) {
      this.client.close();
    }
  }
};
var LibsqlConnection = class {
  client;
  #transaction;
  constructor(client) {
    this.client = client;
  }
  async executeQuery(compiledQuery) {
    const target = this.#transaction ?? this.client;
    const result = await target.execute({
      sql: compiledQuery.sql,
      args: compiledQuery.parameters
    });
    const rows = result.rows.map((row) => {
      const stripped = {};
      for (const key in row) {
        stripped[key] = row[key];
      }
      return stripped;
    });
    return {
      insertId: result.lastInsertRowid,
      numAffectedRows: BigInt(result.rowsAffected),
      rows
    };
  }
  async beginTransaction() {
    if (this.#transaction) {
      throw new Error("Transaction already in progress");
    }
    this.#transaction = await this.client.transaction("write");
  }
  async commitTransaction() {
    if (!this.#transaction) {
      throw new Error("No transaction to commit");
    }
    await this.#transaction.commit();
    this.#transaction = void 0;
  }
  async rollbackTransaction() {
    if (!this.#transaction) {
      throw new Error("No transaction to rollback");
    }
    await this.#transaction.rollback();
    this.#transaction = void 0;
  }
  // eslint-disable-next-line require-yield
  async *streamQuery(_compiledQuery, _chunkSize) {
    throw new Error("kysely-libsql does not support streaming yet");
  }
};
export {
  LibsqlConnection,
  LibsqlDialect,
  LibsqlDriver
};