65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
'use strict';
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const Adapter = require('../Adapter');
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const Result = require('../Result');
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const getArgs = require('getargs');
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const helpers = require('../helpers');
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const dbliteAdapter = require('dblite');
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class Sqlite extends Adapter {
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constructor (config) {
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let file = (helpers.isString(config)) ? config : config.file;
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super(dbliteAdapter(file));
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// Stop the stupid 'bye bye' message being output
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this.instance.on('close', () => {});
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}
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/**
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* Transform the adapter's result into a standard format
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*
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* @param {*} result - original driver result object
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* @return {Result} - standard result object
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*/
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transformResult (result) {
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return new Result(result);
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}
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/**
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* Run the sql query as a prepared statement
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*
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* @param {String} sql - The sql with placeholders
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* @param {Array} params - The values to insert into the query
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* @param {Function} [callback] - Callback to run when a response is recieved
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* @return {void|Promise} - Returns a promise if no callback is provided
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*/
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execute (/* sql, params, callback */) {
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let args = getArgs('sql:string, [params]:array, [callback]:function', arguments);
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if (!args.callback) {
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return new Promise((resolve, reject) => {
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this.instance.query(args.sql, args.params, (err, result) =>
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(err)
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? reject(err)
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: resolve(this.transformResult(result))
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);
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});
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}
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return this.instance.query(args.sql, args.params, (err, res) => {
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args.callback(err, this.transformResult(res));
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});
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}
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/**
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* Close the current database connection
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* @return {void}
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*/
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close () {
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this.instance.close();
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}
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}
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module.exports = Sqlite;
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