typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, WebSQL, MongoDB databases.
158 lines (156 loc) • 7.56 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var DriverUtils_1 = require("../DriverUtils");
var DriverOptionNotSetError_1 = require("../../error/DriverOptionNotSetError");
var WebsqlQueryRunner_1 = require("./WebsqlQueryRunner");
var AbstractSqliteDriver_1 = require("../sqlite-abstract/AbstractSqliteDriver");
/**
* Organizes communication with WebSQL in the browser.
*/
var WebsqlDriver = /** @class */ (function (_super) {
__extends(WebsqlDriver, _super);
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function WebsqlDriver(connection) {
var _this = _super.call(this, connection) || this;
_this.options = connection.options;
Object.assign(connection.options, DriverUtils_1.DriverUtils.buildDriverOptions(connection.options)); // todo: do it better way
_this.database = _this.options.database;
// validate options to make sure everything is set
// if (!this.options.host)
// throw new DriverOptionNotSetError("host");
// if (!this.options.username)
// throw new DriverOptionNotSetError("username");
if (!_this.options.database)
throw new DriverOptionNotSetError_1.DriverOptionNotSetError("database");
return _this;
// todo: what about extra options: version, description, size
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Performs connection to the database.
*/
WebsqlDriver.prototype.connect = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, Promise.resolve()];
});
});
};
/**
* Closes connection with the database.
*/
WebsqlDriver.prototype.disconnect = function () {
return Promise.resolve();
// if (!this.databaseConnection)
// throw new ConnectionIsNotSetError("websql");
// return new Promise<void>((ok, fail) => {
// const handler = (err: any) => err ? fail(err) : ok();
// todo: find out how to close connection
// ok();
// });
};
/**
* Creates a query runner used to execute database queries.
*/
WebsqlDriver.prototype.createQueryRunner = function (mode) {
if (mode === void 0) { mode = "master"; }
return new WebsqlQueryRunner_1.WebsqlQueryRunner(this);
};
/**
* Prepares given value to a value to be persisted, based on its column type and metadata.
*/
WebsqlDriver.prototype.preparePersistentValue = function (value, columnMetadata) {
if (columnMetadata.type === "json") {
return JSON.stringify(value);
}
return _super.prototype.preparePersistentValue.call(this, value, columnMetadata);
};
/**
* Prepares given value to a value to be persisted, based on its column type or metadata.
*/
WebsqlDriver.prototype.prepareHydratedValue = function (value, columnMetadata) {
if (columnMetadata.type === "json") {
return JSON.parse(value);
}
return _super.prototype.prepareHydratedValue.call(this, value, columnMetadata);
};
/**
* Replaces parameters in the given sql with special escaping character
* and an array of parameter names to be passed to a query.
*/
WebsqlDriver.prototype.escapeQueryWithParameters = function (sql, parameters) {
if (!parameters || !Object.keys(parameters).length)
return [sql, []];
var escapedParameters = [];
var keys = Object.keys(parameters).map(function (parameter) { return "(:" + parameter + "\\b)"; }).join("|");
sql = sql.replace(new RegExp(keys, "g"), function (key) {
var value = parameters[key.substr(1)];
if (value instanceof Function) {
return value();
}
else {
escapedParameters.push(value);
return "?";
}
}); // todo: make replace only in value statements, otherwise problems
return [sql, escapedParameters];
};
/**
* Escapes a column name.
*/
WebsqlDriver.prototype.escape = function (columnName) {
return columnName; // "`" + columnName + "`";
};
return WebsqlDriver;
}(AbstractSqliteDriver_1.AbstractSqliteDriver));
exports.WebsqlDriver = WebsqlDriver;
//# sourceMappingURL=WebsqlDriver.js.map