All files / lib/adapters/Sqlite better-sqlite3.js

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const Adapter = require('../../Adapter');
const Result = require('../../Result');
const Helpers = require('../../Helpers');
const BetterSqlite3Adapter = require('better-sqlite3');
 
class SqliteBetterSqlite extends Adapter {
	constructor (config) {
		let connOptions = {
			memory: false,
			readonly: false,
			fileMustExist: false
		};
 
		const file = (Helpers.isString(config)) ? config : config.file;
 
		if (file.match(/:memory:/)) {
			connOptions.memory = true
		}
 
		const instance = new Promise((resolve) => {
			const conn = new BetterSqlite3Adapter(file, connOptions);
 
			// Make sure to actually pass on the connection!
			return resolve(conn);
		});
 
		super(instance);
	}
 
	/**
	 * Run the sql query as a prepared statement
	 *
	 * @param {String} sql - The sql with placeholders
	 * @param {Array} params - The values to insert into the query
	 * @return {Promise} - Returns a promise if no callback is provided
	 */
	execute (sql, params) {
		return this.instance.then(conn => new Promise((resolve) => {
			const statement = conn.prepare(sql);
			const result = statement.all(params);
 
			return resolve(result);
		}));
	}
 
	/**
	 * Transform the adapter's result into a standard format
	 *
	 * @param {*} originalResult - the original result object from the driver
	 * @return {Result} - the new result object
	 */
	transformResult (originalResult) {
		return new Result(originalResult);
	}
 
	/**
	 * Close the current database connection
	 *
	 * @return {void}
	 */
	close () {
		this.instance.then(conn => conn.close());
	}
}
 
module.exports = SqliteBetterSqlite;