node-query/lib/NodeQuery.js

104 lines
2.8 KiB
JavaScript
Executable File

"use strict";
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
var _fs = require('fs');
var _fs2 = _interopRequireDefault(_fs);
var _helpers = require('./helpers');
var _helpers2 = _interopRequireDefault(_helpers);
var _QueryBuilder = require('./QueryBuilder');
var _QueryBuilder2 = _interopRequireDefault(_QueryBuilder);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var instance = null;
/**
* @module NodeQuery
*/
var NodeQuery = (function () {
/**
* Constructor
*/
function NodeQuery() {
_classCallCheck(this, NodeQuery);
this.instance = null;
}
/**
* Create a query builder object
*
* @memberOf NodeQuery
* @param {String} drivername - The name of the database type, eg. mysql or pg
* @param {Object} connObject - A connection object from the database library you are connecting with
* @param {String} [connLib] - The name of the db connection library you are using, eg. mysql or mysql2. Optional if the same as drivername
* @return {QueryBuilder}
*/
_createClass(NodeQuery, [{
key: 'init',
value: function init(driverType, connObject, connLib) {
connLib = connLib || driverType;
var paths = {
driver: __dirname + '/drivers/' + _helpers2.default.upperCaseFirst(driverType),
adapter: __dirname + '/adapters/' + connLib
};
/*Object.keys(paths).forEach((type) => {
if ( ! fs.existsSync(paths[type]))
{
console.log(paths[type]);
throw new Error(
`Selected ${type} (` +
helpers.upperCaseFirst(driverType) +
`) does not exist!`
);
}
});*/
var driver = require(paths.driver);
var $adapter = require(paths.adapter);
var adapter = new $adapter(connObject);
this.instance = new _QueryBuilder2.default(driver, adapter);
return this.instance;
}
}, {
key: 'getQuery',
/**
* Return an existing query builder instance
*
* @memberOf NodeQuery
* @return {QueryBuilder}
*/
value: function getQuery() {
if (!this.instance) {
throw new Error("No Query Builder instance to return");
}
return this.instance;
}
}]);
return NodeQuery;
})();
;
module.exports = new NodeQuery();
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