sql-client/lib/sqlite3-client.js

A dirt-simple SQL client abstraction (currently) supporting PostgreSQL, MySQL and SQLite.

// Generated by CoffeeScript 2.6.0
(function() {
  var ConnectionFactory, SQLClient, SQLClientPool, SQLite3Client, SQLite3ClientPool, SQLite3ConnectionFactory, sqlite3,
    boundMethodCheck = function(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new Error('Bound instance method accessed before binding'); } };

  SQLClient = require('./sql-client').SQLClient;

  SQLClientPool = require('./sql-client-pool').SQLClientPool;

  ConnectionFactory = require('./connection-factory').ConnectionFactory;

  sqlite3 = require('sqlite3').verbose();

  SQLite3ConnectionFactory = class SQLite3ConnectionFactory extends ConnectionFactory {
    constructor() {
      super(...arguments);
      this.open_connection = this.open_connection.bind(this);
      this.execute = this.execute.bind(this);
    }

    open_connection(filename, mode, callback) {
      var cb, db;
      boundMethodCheck(this, SQLite3ConnectionFactory);
      if (typeof mode === 'function' && (callback == null)) {
        callback = mode;
        mode = null;
      }
      db = null;
      cb = (err) => {
        if (err != null) {
          return callback(err);
        } else {
          return callback(null, db);
        }
      };
      if (mode != null) {
        return db = new sqlite3.Database(filename, mode, cb);
      } else {
        return db = new sqlite3.Database(filename, cb);
      }
    }

    execute(db, sql, bindvars, callback) {
      boundMethodCheck(this, SQLite3ConnectionFactory);
      if (bindvars == null) {
        bindvars = [];
      }
      return db.all(sql, bindvars, callback);
    }

  };

  SQLite3Client = class SQLite3Client extends SQLClient {
    constructor(...options) {
      super(...options, new SQLite3ConnectionFactory());
    }

  };

  SQLite3ClientPool = class SQLite3ClientPool extends SQLClientPool {
    constructor(...options) {
      super(...options, new SQLite3ConnectionFactory());
    }

  };

  exports.SQLite3ConnectionFactory = SQLite3ConnectionFactory;

  exports.SQLite3Client = SQLite3Client;

  exports.SQLite3ClientPool = SQLite3ClientPool;

}).call(this);