nxkit/db.js

This is a collection of tools, independent of any other libraries

"use strict";
/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2015, xuewen.chu
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of xuewen.chu nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL xuewen.chu BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ***** END LICENSE BLOCK ***** */
Object.defineProperty(exports, "__esModule", { value: true });
const event_1 = require("./event");
exports.defaultOptions = {
    port: 3306,
    host: 'localhost',
    user: 'root',
    password: '',
    database: '',
};
/**
 * @class Database
 */
class Database {
    constructor(options) {
        this.onError = new event_1.EventNoticer('Error', this);
        this.options = Object.assign({}, exports.defaultOptions, options);
    }
    /**
     * exec query database
     */
    exec(sql) {
        return new Promise((resolve, reject) => {
            this.query(sql, function (err, data) {
                err ? reject(err) : resolve(data);
            });
        });
    }
}
exports.Database = Database;
/**
 * escape sql param
 */
function escape(param) {
    if (param === undefined || param === null)
        return 'NULL';
    var type = typeof param;
    if (type == 'boolean' || type == 'number')
        return param + '';
    if (param instanceof Date)
        return param.toString("'yyyy-MM-dd hh:mm:ss'");
    return "'" + (param + '').replace(/[\0\n\r\b\t\\\'\"\x1a]/g, function (s) {
        switch (s) {
            case "\0": return "\\0";
            case "\n": return "\\n";
            case "\r": return "\\r";
            case "\b": return "\\b";
            case "\t": return "\\t";
            case "\x1a": return "\\Z";
            default: return "\\" + s;
        }
    }) + "'";
}
exports.escape = escape;
exports.default = {
    Database, escape,
};