Initial commit
This commit is contained in:
commit
a14d89ef55
2
.gitignore
vendored
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2
.gitignore
vendored
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node_modules
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.jshintrc
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971
lib/PawSQLite.js
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971
lib/PawSQLite.js
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module.exports =
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/******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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||||||
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/******/ var installedModules = {};
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||||||
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/
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||||||
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/******/ // Check if module is in cache
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||||||
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/******/ if(installedModules[moduleId]) {
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||||||
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/******/ return installedModules[moduleId].exports;
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||||||
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/******/ }
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||||||
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/******/ // Create a new module (and put it into the cache)
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||||||
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/******/ var module = installedModules[moduleId] = {
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||||||
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/******/ i: moduleId,
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||||||
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/******/ l: false,
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||||||
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/******/ exports: {}
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||||||
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/******/ };
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||||||
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/******/
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||||||
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/******/ // Execute the module function
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||||||
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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||||||
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/******/
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||||||
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/******/ // Flag the module as loaded
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||||||
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/******/ module.l = true;
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||||||
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/******/
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||||||
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/******/ // Return the exports of the module
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||||||
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/******/ return module.exports;
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||||||
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/******/ }
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||||||
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/******/
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||||||
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/******/
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||||||
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/******/ // expose the modules object (__webpack_modules__)
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||||||
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/******/ __webpack_require__.m = modules;
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||||||
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/******/
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||||||
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/******/ // expose the module cache
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||||||
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/******/ __webpack_require__.c = installedModules;
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||||||
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/******/
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||||||
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/******/ // define getter function for harmony exports
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||||||
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/******/ __webpack_require__.d = function(exports, name, getter) {
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||||||
|
/******/ if(!__webpack_require__.o(exports, name)) {
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||||||
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/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
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||||||
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/******/ }
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||||||
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/******/ };
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||||||
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/******/
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||||||
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/******/ // define __esModule on exports
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||||||
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/******/ __webpack_require__.r = function(exports) {
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||||||
|
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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||||||
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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||||||
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/******/ }
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||||||
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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||||||
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/******/ };
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||||||
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/******/
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||||||
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/******/ // create a fake namespace object
|
||||||
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/******/ // mode & 1: value is a module id, require it
|
||||||
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/******/ // mode & 2: merge all properties of value into the ns
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||||||
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/******/ // mode & 4: return value when already ns object
|
||||||
|
/******/ // mode & 8|1: behave like require
|
||||||
|
/******/ __webpack_require__.t = function(value, mode) {
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||||||
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/******/ if(mode & 1) value = __webpack_require__(value);
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||||||
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/******/ if(mode & 8) return value;
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||||||
|
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
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||||||
|
/******/ var ns = Object.create(null);
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||||||
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/******/ __webpack_require__.r(ns);
|
||||||
|
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
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||||||
|
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
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||||||
|
/******/ return ns;
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||||||
|
/******/ };
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||||||
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/******/
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||||||
|
/******/ // getDefaultExport function for compatibility with non-harmony modules
|
||||||
|
/******/ __webpack_require__.n = function(module) {
|
||||||
|
/******/ var getter = module && module.__esModule ?
|
||||||
|
/******/ function getDefault() { return module['default']; } :
|
||||||
|
/******/ function getModuleExports() { return module; };
|
||||||
|
/******/ __webpack_require__.d(getter, 'a', getter);
|
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|
/******/ return getter;
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||||||
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/******/ };
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||||||
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/******/
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|
/******/ // Object.prototype.hasOwnProperty.call
|
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/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
|
||||||
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/******/
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|
/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/
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||||||
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/******/
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|
/******/ // Load entry module and return exports
|
||||||
|
/******/ return __webpack_require__(__webpack_require__.s = "./src/pawsqlite.mjs");
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|
/******/ })
|
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/************************************************************************/
|
||||||
|
/******/ ({
|
||||||
|
|
||||||
|
/***/ "./src/adapters/cordova_pawsqlite/psql_adapter.mjs":
|
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|
/*!*********************************************************!*\
|
||||||
|
!*** ./src/adapters/cordova_pawsqlite/psql_adapter.mjs ***!
|
||||||
|
\*********************************************************/
|
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|
/*! exports provided: PSQLAdapter */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
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|
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|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "PSQLAdapter", function() { return PSQLAdapter; });
|
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|
/* harmony import */ var _psql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./psql_adapter_error.mjs */ "./src/adapters/cordova_pawsqlite/psql_adapter_error.mjs");
|
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|
/* harmony import */ var _log_mjs__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../../log.mjs */ "./src/log.mjs");
|
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|
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||||||
|
const PSQLAdapter = {
|
||||||
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open: (dbName) => new Promise((resolve, reject) => {
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|
cordova.exec(resolve, (e) => {
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|
reject(new _psql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["PSQLAdapterError"](e));
|
||||||
|
}, "PawSQLite", "open", [dbName]);
|
||||||
|
}),
|
||||||
|
close: (dbName) => new Promise((resolve, reject) => {
|
||||||
|
cordova.exec(resolve, (e) => {
|
||||||
|
reject(new _psql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["PSQLAdapterError"](e));
|
||||||
|
}, "PawSQLite", "close", [dbName]);
|
||||||
|
}),
|
||||||
|
sql: (dbName, sql, ...args) => new Promise((resolve, reject) => {
|
||||||
|
Object(_log_mjs__WEBPACK_IMPORTED_MODULE_1__["log"])(sql);
|
||||||
|
cordova.exec(resolve, (e) => {
|
||||||
|
reject(new _psql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["PSQLAdapterError"](e));
|
||||||
|
}, "PawSQLite", "sql", [dbName, sql, ...args]);
|
||||||
|
}),
|
||||||
|
delete: (dbName) => new Promise((resolve, reject) => {
|
||||||
|
cordova.exec(resolve, (e) => {
|
||||||
|
reject(new _psql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["PSQLAdapterError"](e));
|
||||||
|
}, "PawSQLite", "delete", [dbName]);
|
||||||
|
})
|
||||||
|
};
|
||||||
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|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/adapters/cordova_pawsqlite/psql_adapter_error.mjs":
|
||||||
|
/*!***************************************************************!*\
|
||||||
|
!*** ./src/adapters/cordova_pawsqlite/psql_adapter_error.mjs ***!
|
||||||
|
\***************************************************************/
|
||||||
|
/*! exports provided: PSQLAdapterError */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "PSQLAdapterError", function() { return PSQLAdapterError; });
|
||||||
|
/* harmony import */ var _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../../pawsqlite_error.mjs */ "./src/pawsqlite_error.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
class PSQLAdapterError extends _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_0__["PawSQLiteError"] {
|
||||||
|
constructor(response) {
|
||||||
|
if (response.hasOwnProperty("message")) {
|
||||||
|
super(response.message);
|
||||||
|
} else {
|
||||||
|
super();
|
||||||
|
}
|
||||||
|
if (response.hasOwnProperty("name")) {
|
||||||
|
this.name = response.name;
|
||||||
|
} else {
|
||||||
|
this.name = "PSQLAdapterError";
|
||||||
|
}
|
||||||
|
if (response.hasOwnProperty("trace")) {
|
||||||
|
this.trace = response.trace;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
toString() {
|
||||||
|
let str = this.name;
|
||||||
|
if (this.hasOwnProperty("message")) {
|
||||||
|
str += ": " + this.message;
|
||||||
|
}
|
||||||
|
if (this.hasOwnProperty("trace")) {
|
||||||
|
str += "\n" + this.trace;
|
||||||
|
}
|
||||||
|
return str;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/adapters/websql/database_wrapper.mjs":
|
||||||
|
/*!**************************************************!*\
|
||||||
|
!*** ./src/adapters/websql/database_wrapper.mjs ***!
|
||||||
|
\**************************************************/
|
||||||
|
/*! exports provided: DatabaseWrapper */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "DatabaseWrapper", function() { return DatabaseWrapper; });
|
||||||
|
/* harmony import */ var _transaction_manager_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./transaction_manager.mjs */ "./src/adapters/websql/transaction_manager.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
class DatabaseWrapper {
|
||||||
|
constructor(dbName, version) {
|
||||||
|
this.name = dbName;
|
||||||
|
this.db = openDatabase(this.name, version, "", 5 * 1024 * 1024);
|
||||||
|
this.transManager = new _transaction_manager_mjs__WEBPACK_IMPORTED_MODULE_0__["TransactionManager"](this.db);
|
||||||
|
}
|
||||||
|
|
||||||
|
sql(sql, ...args) {
|
||||||
|
const reg = /^\s*(BEGIN|END|COMMIT|ROLLBACK)(?:[^A-Z]|$)/i;
|
||||||
|
const match = reg.exec(sql);
|
||||||
|
if (match) {
|
||||||
|
const statement = match[1].toUpperCase();
|
||||||
|
|
||||||
|
switch(statement) {
|
||||||
|
case "BEGIN":
|
||||||
|
return this.transManager.begin();
|
||||||
|
case "END":
|
||||||
|
case "COMMIT":
|
||||||
|
return this.transManager.commit();
|
||||||
|
case "ROLLBACK":
|
||||||
|
return this.transManager.rollback();
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
return this.transManager.sql(sql, args);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/adapters/websql/response_wrapper.mjs":
|
||||||
|
/*!**************************************************!*\
|
||||||
|
!*** ./src/adapters/websql/response_wrapper.mjs ***!
|
||||||
|
\**************************************************/
|
||||||
|
/*! exports provided: ResponseWrapper */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ResponseWrapper", function() { return ResponseWrapper; });
|
||||||
|
const ResponseWrapper = {
|
||||||
|
success: (obj = {}) => ({
|
||||||
|
success: true,
|
||||||
|
...obj
|
||||||
|
})
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/adapters/websql/result_mapper.mjs":
|
||||||
|
/*!***********************************************!*\
|
||||||
|
!*** ./src/adapters/websql/result_mapper.mjs ***!
|
||||||
|
\***********************************************/
|
||||||
|
/*! exports provided: mapResult */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "mapResult", function() { return mapResult; });
|
||||||
|
function mapResult(originalResult) {
|
||||||
|
const newResult = {};
|
||||||
|
if (!originalResult) {
|
||||||
|
return newResult;
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
newResult.insertId = originalResult.insertId;
|
||||||
|
} catch (e) {}
|
||||||
|
|
||||||
|
newResult.rowsAffected = originalResult.rowsAffected;
|
||||||
|
|
||||||
|
if ("rows" in originalResult) {
|
||||||
|
newResult.rows = [];
|
||||||
|
|
||||||
|
for (let i = 0; i < originalResult.rows.length; i++) {
|
||||||
|
newResult.rows.push(originalResult.rows.item(i));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return newResult;
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/adapters/websql/transaction_manager.mjs":
|
||||||
|
/*!*****************************************************!*\
|
||||||
|
!*** ./src/adapters/websql/transaction_manager.mjs ***!
|
||||||
|
\*****************************************************/
|
||||||
|
/*! exports provided: TransactionManager */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "TransactionManager", function() { return TransactionManager; });
|
||||||
|
/* harmony import */ var _websql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./websql_adapter_error.mjs */ "./src/adapters/websql/websql_adapter_error.mjs");
|
||||||
|
/* harmony import */ var _result_mapper_mjs__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./result_mapper.mjs */ "./src/adapters/websql/result_mapper.mjs");
|
||||||
|
/* harmony import */ var _log_mjs__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../../log.mjs */ "./src/log.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
class Task {
|
||||||
|
constructor(job, startsTransaction=false, endsTransaction=false) {
|
||||||
|
this._job = job;
|
||||||
|
|
||||||
|
if (startsTransaction && endsTransaction) {
|
||||||
|
throw new Error("Task cannot start and end a transaction.");
|
||||||
|
}
|
||||||
|
|
||||||
|
this.startsTransaction = startsTransaction;
|
||||||
|
this.endsTransaction = endsTransaction;
|
||||||
|
|
||||||
|
this.result = new Promise ((resolve, reject) => {
|
||||||
|
this._resolve = resolve;
|
||||||
|
this._reject = reject;
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
run(tx) {
|
||||||
|
return this._job(tx).then((result) => {
|
||||||
|
this._resolve(result);
|
||||||
|
return result;
|
||||||
|
}, (e) => {
|
||||||
|
this._reject(e);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
class TransactionManager {
|
||||||
|
constructor(db) {
|
||||||
|
this.db = db;
|
||||||
|
|
||||||
|
this._txCount = 0;
|
||||||
|
this._tasks = [];
|
||||||
|
this._processing = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
begin() {
|
||||||
|
return this._addTask(new Task((tx) => {
|
||||||
|
return new Promise((resolve, reject) => {
|
||||||
|
if (tx) {
|
||||||
|
reject(new _websql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["WebSQLAdapterError"]("BEGIN called with an active " +
|
||||||
|
"transaction. This should not happen"));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
this.db.transaction((tx) => {
|
||||||
|
resolve(tx);
|
||||||
|
});
|
||||||
|
});
|
||||||
|
}, true)).then(() => Object(_result_mapper_mjs__WEBPACK_IMPORTED_MODULE_1__["mapResult"])());
|
||||||
|
}
|
||||||
|
|
||||||
|
sql(sql, args = []) {
|
||||||
|
return this._addTask(new Task((tx) => {
|
||||||
|
return this._executeSql(tx, sql, args);
|
||||||
|
}));
|
||||||
|
}
|
||||||
|
|
||||||
|
commit() {
|
||||||
|
return this._addTask(new Task((tx) => {
|
||||||
|
return Promise.resolve(Object(_result_mapper_mjs__WEBPACK_IMPORTED_MODULE_1__["mapResult"])());
|
||||||
|
}, false, true));
|
||||||
|
}
|
||||||
|
|
||||||
|
rollback() {
|
||||||
|
// Hack to manually cause rollback:
|
||||||
|
// Intentionally cause an error with rollbackOnError set to true
|
||||||
|
return this._addTask(new Task((tx) => {
|
||||||
|
return this._executeSql(tx, "", [], true).catch(() => Object(_result_mapper_mjs__WEBPACK_IMPORTED_MODULE_1__["mapResult"])());
|
||||||
|
}, false, true));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
async _process() {
|
||||||
|
if (this._processing) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
this._processing = true;
|
||||||
|
|
||||||
|
let tx = null;
|
||||||
|
let keepaliveCount = 0;
|
||||||
|
|
||||||
|
while (true) {
|
||||||
|
const tasks = this._tasks;
|
||||||
|
this._tasks = [];
|
||||||
|
|
||||||
|
|
||||||
|
if (tasks.length) {
|
||||||
|
const promises = [];
|
||||||
|
|
||||||
|
for (const task of tasks) {
|
||||||
|
const promise = task.run(tx);
|
||||||
|
|
||||||
|
if (task.startsTransaction) {
|
||||||
|
tx = await promise;
|
||||||
|
this._txCount++;
|
||||||
|
} else {
|
||||||
|
if (task.endsTransaction) {
|
||||||
|
tx = null;
|
||||||
|
keepaliveCount = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
promises.push(promise);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
await Promise.all(promises);
|
||||||
|
} else {
|
||||||
|
if (tx) {
|
||||||
|
await this._nop(tx);
|
||||||
|
keepaliveCount++;
|
||||||
|
if (keepaliveCount % 5000 === 0) {
|
||||||
|
Object(_log_mjs__WEBPACK_IMPORTED_MODULE_2__["log"])(`Transaction: ${ this._txCount } Keepalive: #${ keepaliveCount }`);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
this._processing = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
_addTask(task) {
|
||||||
|
this._tasks.push(task);
|
||||||
|
this._process();
|
||||||
|
return task.result;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
_executeSql(tx, sql, sqlArgs = [], rollbackOnError = false) {
|
||||||
|
return new Promise((resolve, reject) => {
|
||||||
|
if (!tx) {
|
||||||
|
reject(new _websql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["WebSQLAdapterError"]("No transaction. This should not be " +
|
||||||
|
" possible"));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
tx.executeSql(sql, sqlArgs, (tx, result) => {
|
||||||
|
resolve(Object(_result_mapper_mjs__WEBPACK_IMPORTED_MODULE_1__["mapResult"])(result));
|
||||||
|
}, (tx, e) => {
|
||||||
|
reject(_websql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["WebSQLAdapterError"].from(e));
|
||||||
|
return rollbackOnError;
|
||||||
|
});
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
_nop(tx) {
|
||||||
|
return this._executeSql(tx, "SELECT 1");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/adapters/websql/websql_adapter.mjs":
|
||||||
|
/*!************************************************!*\
|
||||||
|
!*** ./src/adapters/websql/websql_adapter.mjs ***!
|
||||||
|
\************************************************/
|
||||||
|
/*! exports provided: WebSQLAdapter */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "WebSQLAdapter", function() { return WebSQLAdapter; });
|
||||||
|
/* harmony import */ var _websql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./websql_adapter_error.mjs */ "./src/adapters/websql/websql_adapter_error.mjs");
|
||||||
|
/* harmony import */ var _database_wrapper_mjs__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./database_wrapper.mjs */ "./src/adapters/websql/database_wrapper.mjs");
|
||||||
|
/* harmony import */ var _response_wrapper_mjs__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./response_wrapper.mjs */ "./src/adapters/websql/response_wrapper.mjs");
|
||||||
|
/* harmony import */ var _log_mjs__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../../log.mjs */ "./src/log.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
const databases = new Map();
|
||||||
|
|
||||||
|
const WebSQLAdapter = {
|
||||||
|
open: async (dbName) => {
|
||||||
|
const version = "1.0";
|
||||||
|
|
||||||
|
if (!databases.has(dbName)) {
|
||||||
|
databases.set(dbName, new _database_wrapper_mjs__WEBPACK_IMPORTED_MODULE_1__["DatabaseWrapper"](dbName, version));
|
||||||
|
}
|
||||||
|
|
||||||
|
return _response_wrapper_mjs__WEBPACK_IMPORTED_MODULE_2__["ResponseWrapper"].success({ version });
|
||||||
|
},
|
||||||
|
|
||||||
|
close: async (dbName) => {
|
||||||
|
databases.delete(dbName);
|
||||||
|
return _response_wrapper_mjs__WEBPACK_IMPORTED_MODULE_2__["ResponseWrapper"].success();
|
||||||
|
},
|
||||||
|
|
||||||
|
sql: async (dbName, sql, ...args) => {
|
||||||
|
Object(_log_mjs__WEBPACK_IMPORTED_MODULE_3__["log"])(sql);
|
||||||
|
|
||||||
|
const db = databases.get(dbName);
|
||||||
|
if (!db) {
|
||||||
|
throw new _websql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["WebSQLAdapterError"]("Database not open");
|
||||||
|
}
|
||||||
|
|
||||||
|
const result = await db.sql(sql, ...args);
|
||||||
|
return _response_wrapper_mjs__WEBPACK_IMPORTED_MODULE_2__["ResponseWrapper"].success(result);
|
||||||
|
},
|
||||||
|
|
||||||
|
delete: async (dbName) => {
|
||||||
|
throw new _websql_adapter_error_mjs__WEBPACK_IMPORTED_MODULE_0__["WebSQLAdapterError"]("Delete not implemented");
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/adapters/websql/websql_adapter_error.mjs":
|
||||||
|
/*!******************************************************!*\
|
||||||
|
!*** ./src/adapters/websql/websql_adapter_error.mjs ***!
|
||||||
|
\******************************************************/
|
||||||
|
/*! exports provided: WebSQLAdapterError */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "WebSQLAdapterError", function() { return WebSQLAdapterError; });
|
||||||
|
/* harmony import */ var _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../../pawsqlite_error.mjs */ "./src/pawsqlite_error.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
class WebSQLAdapterError extends _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_0__["PawSQLiteError"] {
|
||||||
|
static from(e) {
|
||||||
|
let message = "";
|
||||||
|
if (e && e.message) {
|
||||||
|
message = e.message;
|
||||||
|
}
|
||||||
|
return new WebSQLAdapterError(message);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/database.mjs":
|
||||||
|
/*!**************************!*\
|
||||||
|
!*** ./src/database.mjs ***!
|
||||||
|
\**************************/
|
||||||
|
/*! exports provided: Database */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Database", function() { return Database; });
|
||||||
|
/* harmony import */ var _transaction_manager_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./transaction_manager.mjs */ "./src/transaction_manager.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
class Database {
|
||||||
|
constructor(dbName, adapter) {
|
||||||
|
this.dbName = dbName;
|
||||||
|
this.adapter = adapter;
|
||||||
|
this.version = null;
|
||||||
|
this.path = null;
|
||||||
|
|
||||||
|
this.transactionManager = new _transaction_manager_mjs__WEBPACK_IMPORTED_MODULE_0__["TransactionManager"](dbName, this.adapter);
|
||||||
|
}
|
||||||
|
|
||||||
|
async open() {
|
||||||
|
let response = await this.adapter.open(this.dbName);
|
||||||
|
|
||||||
|
if (response) {
|
||||||
|
if (response.hasOwnProperty('version')) {
|
||||||
|
this.version = response.version;
|
||||||
|
}
|
||||||
|
if (response.hasOwnProperty('path')) {
|
||||||
|
this.path = response.path;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Allow chaining
|
||||||
|
return this;
|
||||||
|
}
|
||||||
|
|
||||||
|
close() {
|
||||||
|
return this.adapter.close(this.dbName);
|
||||||
|
}
|
||||||
|
|
||||||
|
transaction() {
|
||||||
|
return this.transactionManager.transaction();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
async autoTransaction(cb, inheritTx) {
|
||||||
|
let tx = inheritTx || this.transaction();
|
||||||
|
let result;
|
||||||
|
|
||||||
|
try {
|
||||||
|
result = await cb(tx);
|
||||||
|
} catch (e) {
|
||||||
|
if (!inheritTx) {
|
||||||
|
await tx.rollback();
|
||||||
|
}
|
||||||
|
throw e;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!inheritTx) {
|
||||||
|
await tx.commit();
|
||||||
|
}
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// Helper method to start a transaction and execute a single SQL statement
|
||||||
|
sql(sql, ...args) {
|
||||||
|
return this.autoTransaction((tx) => tx.sql(sql, ...args));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/log.mjs":
|
||||||
|
/*!*********************!*\
|
||||||
|
!*** ./src/log.mjs ***!
|
||||||
|
\*********************/
|
||||||
|
/*! exports provided: log, enableDebug */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "log", function() { return log; });
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "enableDebug", function() { return enableDebug; });
|
||||||
|
let DEBUG = false;
|
||||||
|
|
||||||
|
function log(...args) {
|
||||||
|
if (DEBUG) {
|
||||||
|
console.log(...args);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function enableDebug(active) {
|
||||||
|
DEBUG = !!active;
|
||||||
|
log("PawSQLite: debugging " + (DEBUG ? "enabled" : "disabled"));
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/pawsqlite.mjs":
|
||||||
|
/*!***************************!*\
|
||||||
|
!*** ./src/pawsqlite.mjs ***!
|
||||||
|
\***************************/
|
||||||
|
/*! exports provided: default */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony import */ var _database_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./database.mjs */ "./src/database.mjs");
|
||||||
|
/* harmony import */ var _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./pawsqlite_error.mjs */ "./src/pawsqlite_error.mjs");
|
||||||
|
/* harmony import */ var _log_mjs__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./log.mjs */ "./src/log.mjs");
|
||||||
|
/* harmony import */ var _adapters_cordova_pawsqlite_psql_adapter_mjs__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./adapters/cordova_pawsqlite/psql_adapter.mjs */ "./src/adapters/cordova_pawsqlite/psql_adapter.mjs");
|
||||||
|
/* harmony import */ var _adapters_websql_websql_adapter_mjs__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./adapters/websql/websql_adapter.mjs */ "./src/adapters/websql/websql_adapter.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// Adapters
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/* harmony default export */ __webpack_exports__["default"] = ({
|
||||||
|
open: async function(dbName, options = {}) {
|
||||||
|
const adapter = getAdapter(options.adapter);
|
||||||
|
|
||||||
|
let db = new _database_mjs__WEBPACK_IMPORTED_MODULE_0__["Database"](dbName, adapter);
|
||||||
|
await db.open();
|
||||||
|
return db;
|
||||||
|
},
|
||||||
|
delete: function(dbName, options = {}) {
|
||||||
|
const adapter = getAdapter(options.adapter);
|
||||||
|
|
||||||
|
return adapter.delete(dbName);
|
||||||
|
},
|
||||||
|
debug: _log_mjs__WEBPACK_IMPORTED_MODULE_2__["enableDebug"],
|
||||||
|
Error: _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_1__["PawSQLiteError"]
|
||||||
|
});
|
||||||
|
|
||||||
|
|
||||||
|
function getAdapter(adapterName) {
|
||||||
|
if (!adapterName) {
|
||||||
|
adapterName = "pawsqlite";
|
||||||
|
} else {
|
||||||
|
adapterName = adapterName.toLowerCase();
|
||||||
|
}
|
||||||
|
if (adapterName === "pawsqlite") {
|
||||||
|
return _adapters_cordova_pawsqlite_psql_adapter_mjs__WEBPACK_IMPORTED_MODULE_3__["PSQLAdapter"];
|
||||||
|
} else if (adapterName === "websql") {
|
||||||
|
return _adapters_websql_websql_adapter_mjs__WEBPACK_IMPORTED_MODULE_4__["WebSQLAdapter"];
|
||||||
|
} else {
|
||||||
|
throw new _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_1__["PawSQLiteError"](`Unknown Adapter: ${adapterName}`);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/pawsqlite_error.mjs":
|
||||||
|
/*!*********************************!*\
|
||||||
|
!*** ./src/pawsqlite_error.mjs ***!
|
||||||
|
\*********************************/
|
||||||
|
/*! exports provided: PawSQLiteError */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "PawSQLiteError", function() { return PawSQLiteError; });
|
||||||
|
class PawSQLiteError extends Error {
|
||||||
|
constructor(message) {
|
||||||
|
super(message);
|
||||||
|
this.name = "PawSQLiteError";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/result.mjs":
|
||||||
|
/*!************************!*\
|
||||||
|
!*** ./src/result.mjs ***!
|
||||||
|
\************************/
|
||||||
|
/*! exports provided: Result */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Result", function() { return Result; });
|
||||||
|
/* harmony import */ var _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./pawsqlite_error.mjs */ "./src/pawsqlite_error.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
class Result extends Array {
|
||||||
|
constructor(result) {
|
||||||
|
if (result.hasOwnProperty("rows")) {
|
||||||
|
super(...result.rows);
|
||||||
|
} else {
|
||||||
|
super();
|
||||||
|
}
|
||||||
|
|
||||||
|
if (result.hasOwnProperty("insertId")) {
|
||||||
|
this.insertId = result.insertId;
|
||||||
|
}
|
||||||
|
if (result.hasOwnProperty("rowsAffected")) {
|
||||||
|
this.rowsAffected = result.rowsAffected;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/transaction.mjs":
|
||||||
|
/*!*****************************!*\
|
||||||
|
!*** ./src/transaction.mjs ***!
|
||||||
|
\*****************************/
|
||||||
|
/*! exports provided: Transaction */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Transaction", function() { return Transaction; });
|
||||||
|
/* harmony import */ var _result_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./result.mjs */ "./src/result.mjs");
|
||||||
|
/* harmony import */ var _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./pawsqlite_error.mjs */ "./src/pawsqlite_error.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
class Transaction {
|
||||||
|
constructor(dbName, adapter, enqueue, rollbackOnError=false) {
|
||||||
|
this.dbName = dbName;
|
||||||
|
this.adapter = adapter;
|
||||||
|
this._rollbackOnError = rollbackOnError;
|
||||||
|
|
||||||
|
this._enqueue = enqueue;
|
||||||
|
this._completeCb = null;
|
||||||
|
|
||||||
|
this._readyWait = null;
|
||||||
|
this._ready = false;
|
||||||
|
this._finalized = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
async sql(sql, ...args) {
|
||||||
|
if (this._finalized) {
|
||||||
|
throw new _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_1__["PawSQLiteError"]("Transaction has already completed");
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!this._ready) {
|
||||||
|
await this._waitUntilReady();
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
return await this._executeSQL(sql, ...args);
|
||||||
|
} catch (e) {
|
||||||
|
if (this._rollbackOnError) {
|
||||||
|
await this.rollback();
|
||||||
|
}
|
||||||
|
throw e;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Allow for slightly more complex parameter substitution.
|
||||||
|
// Instances of "???" will be replaced by the same number of comma-separated
|
||||||
|
// question marks as items in the corresponding nested parateter array
|
||||||
|
// eg. buildQuery("SELECT (???) FROM ?", [["col1", "col2"], "table1"])
|
||||||
|
// would output: ["SELECT (?, ?) FROM ?", ["col1", "col2", "table1"]]
|
||||||
|
buildQuery(sql, ...args) {
|
||||||
|
const parts = sql.split("???");
|
||||||
|
const subParamLengths = args
|
||||||
|
.filter(Array.isArray)
|
||||||
|
.map((a) => a.length);
|
||||||
|
if (parts.length !== subParamLengths.length + 1) {
|
||||||
|
throw new _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_1__["PawSQLiteError"]("Unable to build query: sub-" +
|
||||||
|
"paramters do not match sub-paramters in query");
|
||||||
|
}
|
||||||
|
|
||||||
|
const newQuery = parts.reduce((p1, p2, i) => {
|
||||||
|
const length = subParamLengths[i - 1];
|
||||||
|
return p1 + new Array(length).fill("?").join(", ") + p2;
|
||||||
|
});
|
||||||
|
|
||||||
|
const flatParams = args.reduce((acc, v) => {
|
||||||
|
if (Array.isArray(v)) {
|
||||||
|
Array.prototype.push.apply(acc, v);
|
||||||
|
} else {
|
||||||
|
acc.push(v);
|
||||||
|
}
|
||||||
|
return acc;
|
||||||
|
}, []);
|
||||||
|
|
||||||
|
return [newQuery, ...flatParams];
|
||||||
|
}
|
||||||
|
|
||||||
|
commit() {
|
||||||
|
return this._complete("COMMIT");
|
||||||
|
}
|
||||||
|
|
||||||
|
rollback() {
|
||||||
|
return this._complete("ROLLBACK");
|
||||||
|
}
|
||||||
|
|
||||||
|
async _waitUntilReady() {
|
||||||
|
if (!this._readyWait) {
|
||||||
|
this._readyWait = (async () => {
|
||||||
|
this._completeCb = await this._enqueue();
|
||||||
|
await this._begin();
|
||||||
|
this._ready = true;
|
||||||
|
})();
|
||||||
|
}
|
||||||
|
|
||||||
|
await this._readyWait;
|
||||||
|
}
|
||||||
|
|
||||||
|
async _executeSQL(sql, ...args) {
|
||||||
|
const reg = /^\s*(BEGIN|END|COMMIT|ROLLBACK)(?:[^A-Z]|$)/i;
|
||||||
|
const match = reg.exec(sql);
|
||||||
|
if (match) {
|
||||||
|
const statement = match[1].toUpperCase();
|
||||||
|
throw new _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_1__["PawSQLiteError"]("Manually managing transactions is " +
|
||||||
|
"forbidden. Found: \"" + statement + "\" statement.");
|
||||||
|
}
|
||||||
|
|
||||||
|
const result = await this.adapter.sql(this.dbName,
|
||||||
|
...this.buildQuery(sql, ...args));
|
||||||
|
|
||||||
|
return new _result_mjs__WEBPACK_IMPORTED_MODULE_0__["Result"](result);
|
||||||
|
}
|
||||||
|
|
||||||
|
async _begin() {
|
||||||
|
const result = await this.adapter.sql(this.dbName, "BEGIN");
|
||||||
|
}
|
||||||
|
|
||||||
|
async _complete(sql) {
|
||||||
|
if (this._finalized) {
|
||||||
|
throw new _pawsqlite_error_mjs__WEBPACK_IMPORTED_MODULE_1__["PawSQLiteError"]("Transaction has already completed");
|
||||||
|
}
|
||||||
|
this._finalized = true;
|
||||||
|
|
||||||
|
if (!this._readyWait) {
|
||||||
|
// Transaction was unused
|
||||||
|
return;
|
||||||
|
} else if (!this._ready) {
|
||||||
|
await this._waitUntilReady();
|
||||||
|
}
|
||||||
|
|
||||||
|
let result;
|
||||||
|
let error;
|
||||||
|
try {
|
||||||
|
result = await this.adapter.sql(this.dbName, sql);
|
||||||
|
} catch (e) {
|
||||||
|
error = e;
|
||||||
|
}
|
||||||
|
|
||||||
|
this._completeCb();
|
||||||
|
|
||||||
|
if (error) {
|
||||||
|
throw error;
|
||||||
|
}
|
||||||
|
|
||||||
|
return new _result_mjs__WEBPACK_IMPORTED_MODULE_0__["Result"](result);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ }),
|
||||||
|
|
||||||
|
/***/ "./src/transaction_manager.mjs":
|
||||||
|
/*!*************************************!*\
|
||||||
|
!*** ./src/transaction_manager.mjs ***!
|
||||||
|
\*************************************/
|
||||||
|
/*! exports provided: TransactionManager */
|
||||||
|
/***/ (function(__webpack_module__, __webpack_exports__, __webpack_require__) {
|
||||||
|
|
||||||
|
"use strict";
|
||||||
|
__webpack_require__.r(__webpack_exports__);
|
||||||
|
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "TransactionManager", function() { return TransactionManager; });
|
||||||
|
/* harmony import */ var _transaction_mjs__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./transaction.mjs */ "./src/transaction.mjs");
|
||||||
|
|
||||||
|
|
||||||
|
class TransactionManager {
|
||||||
|
constructor(dbName, adapter) {
|
||||||
|
this.dbName = dbName;
|
||||||
|
this.adapter = adapter;
|
||||||
|
this._queue = [];
|
||||||
|
this._inTransaction = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
transaction() {
|
||||||
|
return new _transaction_mjs__WEBPACK_IMPORTED_MODULE_0__["Transaction"](this.dbName, this.adapter,
|
||||||
|
this.enqueue.bind(this));
|
||||||
|
}
|
||||||
|
|
||||||
|
enqueue() {
|
||||||
|
let completeSignal;
|
||||||
|
let transactionComplete = new Promise((r, _) => {
|
||||||
|
completeSignal = r;
|
||||||
|
});
|
||||||
|
|
||||||
|
let readySignal;
|
||||||
|
let dbReady = new Promise((r, _) => {
|
||||||
|
readySignal = () => {
|
||||||
|
r(completeSignal);
|
||||||
|
};
|
||||||
|
});
|
||||||
|
|
||||||
|
this._queue.push({readySignal, transactionComplete});
|
||||||
|
|
||||||
|
this._processQueue();
|
||||||
|
return dbReady;
|
||||||
|
}
|
||||||
|
|
||||||
|
async _processQueue() {
|
||||||
|
// We're already processing the queue
|
||||||
|
if (this._inTransaction) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
while (true) {
|
||||||
|
let item = this._queue.shift();
|
||||||
|
if (!item) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
this._inTransaction = true;
|
||||||
|
|
||||||
|
item.readySignal();
|
||||||
|
await item.transactionComplete;
|
||||||
|
|
||||||
|
this._inTransaction = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/***/ })
|
||||||
|
|
||||||
|
/******/ })["default"];
|
||||||
|
//# sourceMappingURL=PawSQLite.js.map
|
1
lib/PawSQLite.js.map
Normal file
1
lib/PawSQLite.js.map
Normal file
File diff suppressed because one or more lines are too long
3618
package-lock.json
generated
Normal file
3618
package-lock.json
generated
Normal file
File diff suppressed because it is too large
Load Diff
17
package.json
Normal file
17
package.json
Normal file
@ -0,0 +1,17 @@
|
|||||||
|
{
|
||||||
|
"name": "pawsqlite",
|
||||||
|
"version": "1.0.0",
|
||||||
|
"description": "An SQLite interface with adapters for Cordova and WebSQL",
|
||||||
|
"main": "index.js",
|
||||||
|
"scripts": {
|
||||||
|
"test": "echo \"Error: no test specified\" && exit 1",
|
||||||
|
"build": "webpack",
|
||||||
|
"copy-cordova": "cp ./lib/PawSQLite.js ../Cordova-PawSQLite/www/PawSQLite.js"
|
||||||
|
},
|
||||||
|
"author": "Ben Ashton",
|
||||||
|
"license": "MIT",
|
||||||
|
"devDependencies": {
|
||||||
|
"webpack": "^4.44.1",
|
||||||
|
"webpack-cli": "^3.3.12"
|
||||||
|
}
|
||||||
|
}
|
27
src/adapters/cordova_pawsqlite/psql_adapter.mjs
Normal file
27
src/adapters/cordova_pawsqlite/psql_adapter.mjs
Normal file
@ -0,0 +1,27 @@
|
|||||||
|
import { PSQLAdapterError } from "./psql_adapter_error.mjs";
|
||||||
|
import { log } from "../../log.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
export const PSQLAdapter = {
|
||||||
|
open: (dbName) => new Promise((resolve, reject) => {
|
||||||
|
cordova.exec(resolve, (e) => {
|
||||||
|
reject(new PSQLAdapterError(e));
|
||||||
|
}, "PawSQLite", "open", [dbName]);
|
||||||
|
}),
|
||||||
|
close: (dbName) => new Promise((resolve, reject) => {
|
||||||
|
cordova.exec(resolve, (e) => {
|
||||||
|
reject(new PSQLAdapterError(e));
|
||||||
|
}, "PawSQLite", "close", [dbName]);
|
||||||
|
}),
|
||||||
|
sql: (dbName, sql, ...args) => new Promise((resolve, reject) => {
|
||||||
|
log(sql);
|
||||||
|
cordova.exec(resolve, (e) => {
|
||||||
|
reject(new PSQLAdapterError(e));
|
||||||
|
}, "PawSQLite", "sql", [dbName, sql, ...args]);
|
||||||
|
}),
|
||||||
|
delete: (dbName) => new Promise((resolve, reject) => {
|
||||||
|
cordova.exec(resolve, (e) => {
|
||||||
|
reject(new PSQLAdapterError(e));
|
||||||
|
}, "PawSQLite", "delete", [dbName]);
|
||||||
|
})
|
||||||
|
};
|
31
src/adapters/cordova_pawsqlite/psql_adapter_error.mjs
Normal file
31
src/adapters/cordova_pawsqlite/psql_adapter_error.mjs
Normal file
@ -0,0 +1,31 @@
|
|||||||
|
import { PawSQLiteError } from "../../pawsqlite_error.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
export class PSQLAdapterError extends PawSQLiteError {
|
||||||
|
constructor(response) {
|
||||||
|
if (response.hasOwnProperty("message")) {
|
||||||
|
super(response.message);
|
||||||
|
} else {
|
||||||
|
super();
|
||||||
|
}
|
||||||
|
if (response.hasOwnProperty("name")) {
|
||||||
|
this.name = response.name;
|
||||||
|
} else {
|
||||||
|
this.name = "PSQLAdapterError";
|
||||||
|
}
|
||||||
|
if (response.hasOwnProperty("trace")) {
|
||||||
|
this.trace = response.trace;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
toString() {
|
||||||
|
let str = this.name;
|
||||||
|
if (this.hasOwnProperty("message")) {
|
||||||
|
str += ": " + this.message;
|
||||||
|
}
|
||||||
|
if (this.hasOwnProperty("trace")) {
|
||||||
|
str += "\n" + this.trace;
|
||||||
|
}
|
||||||
|
return str;
|
||||||
|
}
|
||||||
|
}
|
30
src/adapters/websql/database_wrapper.mjs
Normal file
30
src/adapters/websql/database_wrapper.mjs
Normal file
@ -0,0 +1,30 @@
|
|||||||
|
import { TransactionManager } from "./transaction_manager.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
export class DatabaseWrapper {
|
||||||
|
constructor(dbName, version) {
|
||||||
|
this.name = dbName;
|
||||||
|
this.db = openDatabase(this.name, version, "", 5 * 1024 * 1024);
|
||||||
|
this.transManager = new TransactionManager(this.db);
|
||||||
|
}
|
||||||
|
|
||||||
|
sql(sql, ...args) {
|
||||||
|
const reg = /^\s*(BEGIN|END|COMMIT|ROLLBACK)(?:[^A-Z]|$)/i;
|
||||||
|
const match = reg.exec(sql);
|
||||||
|
if (match) {
|
||||||
|
const statement = match[1].toUpperCase();
|
||||||
|
|
||||||
|
switch(statement) {
|
||||||
|
case "BEGIN":
|
||||||
|
return this.transManager.begin();
|
||||||
|
case "END":
|
||||||
|
case "COMMIT":
|
||||||
|
return this.transManager.commit();
|
||||||
|
case "ROLLBACK":
|
||||||
|
return this.transManager.rollback();
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
return this.transManager.sql(sql, args);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
8
src/adapters/websql/response_wrapper.mjs
Normal file
8
src/adapters/websql/response_wrapper.mjs
Normal file
@ -0,0 +1,8 @@
|
|||||||
|
export const ResponseWrapper = {
|
||||||
|
success: (obj = {}) => ({
|
||||||
|
success: true,
|
||||||
|
...obj
|
||||||
|
})
|
||||||
|
};
|
||||||
|
|
||||||
|
|
22
src/adapters/websql/result_mapper.mjs
Normal file
22
src/adapters/websql/result_mapper.mjs
Normal file
@ -0,0 +1,22 @@
|
|||||||
|
export function mapResult(originalResult) {
|
||||||
|
const newResult = {};
|
||||||
|
if (!originalResult) {
|
||||||
|
return newResult;
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
newResult.insertId = originalResult.insertId;
|
||||||
|
} catch (e) {}
|
||||||
|
|
||||||
|
newResult.rowsAffected = originalResult.rowsAffected;
|
||||||
|
|
||||||
|
if ("rows" in originalResult) {
|
||||||
|
newResult.rows = [];
|
||||||
|
|
||||||
|
for (let i = 0; i < originalResult.rows.length; i++) {
|
||||||
|
newResult.rows.push(originalResult.rows.item(i));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return newResult;
|
||||||
|
}
|
156
src/adapters/websql/transaction_manager.mjs
Normal file
156
src/adapters/websql/transaction_manager.mjs
Normal file
@ -0,0 +1,156 @@
|
|||||||
|
import { WebSQLAdapterError } from "./websql_adapter_error.mjs";
|
||||||
|
import { mapResult } from "./result_mapper.mjs";
|
||||||
|
import { log } from "../../log.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
class Task {
|
||||||
|
constructor(job, startsTransaction=false, endsTransaction=false) {
|
||||||
|
this._job = job;
|
||||||
|
|
||||||
|
if (startsTransaction && endsTransaction) {
|
||||||
|
throw new Error("Task cannot start and end a transaction.");
|
||||||
|
}
|
||||||
|
|
||||||
|
this.startsTransaction = startsTransaction;
|
||||||
|
this.endsTransaction = endsTransaction;
|
||||||
|
|
||||||
|
this.result = new Promise ((resolve, reject) => {
|
||||||
|
this._resolve = resolve;
|
||||||
|
this._reject = reject;
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
run(tx) {
|
||||||
|
return this._job(tx).then((result) => {
|
||||||
|
this._resolve(result);
|
||||||
|
return result;
|
||||||
|
}, (e) => {
|
||||||
|
this._reject(e);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
export class TransactionManager {
|
||||||
|
constructor(db) {
|
||||||
|
this.db = db;
|
||||||
|
|
||||||
|
this._txCount = 0;
|
||||||
|
this._tasks = [];
|
||||||
|
this._processing = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
begin() {
|
||||||
|
return this._addTask(new Task((tx) => {
|
||||||
|
return new Promise((resolve, reject) => {
|
||||||
|
if (tx) {
|
||||||
|
reject(new WebSQLAdapterError("BEGIN called with an active " +
|
||||||
|
"transaction. This should not happen"));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
this.db.transaction((tx) => {
|
||||||
|
resolve(tx);
|
||||||
|
});
|
||||||
|
});
|
||||||
|
}, true)).then(() => mapResult());
|
||||||
|
}
|
||||||
|
|
||||||
|
sql(sql, args = []) {
|
||||||
|
return this._addTask(new Task((tx) => {
|
||||||
|
return this._executeSql(tx, sql, args);
|
||||||
|
}));
|
||||||
|
}
|
||||||
|
|
||||||
|
commit() {
|
||||||
|
return this._addTask(new Task((tx) => {
|
||||||
|
return Promise.resolve(mapResult());
|
||||||
|
}, false, true));
|
||||||
|
}
|
||||||
|
|
||||||
|
rollback() {
|
||||||
|
// Hack to manually cause rollback:
|
||||||
|
// Intentionally cause an error with rollbackOnError set to true
|
||||||
|
return this._addTask(new Task((tx) => {
|
||||||
|
return this._executeSql(tx, "", [], true).catch(() => mapResult());
|
||||||
|
}, false, true));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
async _process() {
|
||||||
|
if (this._processing) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
this._processing = true;
|
||||||
|
|
||||||
|
let tx = null;
|
||||||
|
let keepaliveCount = 0;
|
||||||
|
|
||||||
|
while (true) {
|
||||||
|
const tasks = this._tasks;
|
||||||
|
this._tasks = [];
|
||||||
|
|
||||||
|
|
||||||
|
if (tasks.length) {
|
||||||
|
const promises = [];
|
||||||
|
|
||||||
|
for (const task of tasks) {
|
||||||
|
const promise = task.run(tx);
|
||||||
|
|
||||||
|
if (task.startsTransaction) {
|
||||||
|
tx = await promise;
|
||||||
|
this._txCount++;
|
||||||
|
} else {
|
||||||
|
if (task.endsTransaction) {
|
||||||
|
tx = null;
|
||||||
|
keepaliveCount = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
promises.push(promise);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
await Promise.all(promises);
|
||||||
|
} else {
|
||||||
|
if (tx) {
|
||||||
|
await this._nop(tx);
|
||||||
|
keepaliveCount++;
|
||||||
|
if (keepaliveCount % 5000 === 0) {
|
||||||
|
log(`Transaction: ${ this._txCount } Keepalive: #${ keepaliveCount }`);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
this._processing = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
_addTask(task) {
|
||||||
|
this._tasks.push(task);
|
||||||
|
this._process();
|
||||||
|
return task.result;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
_executeSql(tx, sql, sqlArgs = [], rollbackOnError = false) {
|
||||||
|
return new Promise((resolve, reject) => {
|
||||||
|
if (!tx) {
|
||||||
|
reject(new WebSQLAdapterError("No transaction. This should not be " +
|
||||||
|
" possible"));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
tx.executeSql(sql, sqlArgs, (tx, result) => {
|
||||||
|
resolve(mapResult(result));
|
||||||
|
}, (tx, e) => {
|
||||||
|
reject(WebSQLAdapterError.from(e));
|
||||||
|
return rollbackOnError;
|
||||||
|
});
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
_nop(tx) {
|
||||||
|
return this._executeSql(tx, "SELECT 1");
|
||||||
|
}
|
||||||
|
}
|
39
src/adapters/websql/websql_adapter.mjs
Normal file
39
src/adapters/websql/websql_adapter.mjs
Normal file
@ -0,0 +1,39 @@
|
|||||||
|
import { WebSQLAdapterError } from "./websql_adapter_error.mjs";
|
||||||
|
import { DatabaseWrapper } from "./database_wrapper.mjs";
|
||||||
|
import { ResponseWrapper } from "./response_wrapper.mjs";
|
||||||
|
import { log } from "../../log.mjs";
|
||||||
|
|
||||||
|
const databases = new Map();
|
||||||
|
|
||||||
|
export const WebSQLAdapter = {
|
||||||
|
open: async (dbName) => {
|
||||||
|
const version = "1.0";
|
||||||
|
|
||||||
|
if (!databases.has(dbName)) {
|
||||||
|
databases.set(dbName, new DatabaseWrapper(dbName, version));
|
||||||
|
}
|
||||||
|
|
||||||
|
return ResponseWrapper.success({ version });
|
||||||
|
},
|
||||||
|
|
||||||
|
close: async (dbName) => {
|
||||||
|
databases.delete(dbName);
|
||||||
|
return ResponseWrapper.success();
|
||||||
|
},
|
||||||
|
|
||||||
|
sql: async (dbName, sql, ...args) => {
|
||||||
|
log(sql);
|
||||||
|
|
||||||
|
const db = databases.get(dbName);
|
||||||
|
if (!db) {
|
||||||
|
throw new WebSQLAdapterError("Database not open");
|
||||||
|
}
|
||||||
|
|
||||||
|
const result = await db.sql(sql, ...args);
|
||||||
|
return ResponseWrapper.success(result);
|
||||||
|
},
|
||||||
|
|
||||||
|
delete: async (dbName) => {
|
||||||
|
throw new WebSQLAdapterError("Delete not implemented");
|
||||||
|
}
|
||||||
|
};
|
12
src/adapters/websql/websql_adapter_error.mjs
Normal file
12
src/adapters/websql/websql_adapter_error.mjs
Normal file
@ -0,0 +1,12 @@
|
|||||||
|
import { PawSQLiteError } from "../../pawsqlite_error.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
export class WebSQLAdapterError extends PawSQLiteError {
|
||||||
|
static from(e) {
|
||||||
|
let message = "";
|
||||||
|
if (e && e.message) {
|
||||||
|
message = e.message;
|
||||||
|
}
|
||||||
|
return new WebSQLAdapterError(message);
|
||||||
|
}
|
||||||
|
}
|
64
src/database.mjs
Normal file
64
src/database.mjs
Normal file
@ -0,0 +1,64 @@
|
|||||||
|
import { TransactionManager } from "./transaction_manager.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
export class Database {
|
||||||
|
constructor(dbName, adapter) {
|
||||||
|
this.dbName = dbName;
|
||||||
|
this.adapter = adapter;
|
||||||
|
this.version = null;
|
||||||
|
this.path = null;
|
||||||
|
|
||||||
|
this.transactionManager = new TransactionManager(dbName, this.adapter);
|
||||||
|
}
|
||||||
|
|
||||||
|
async open() {
|
||||||
|
let response = await this.adapter.open(this.dbName);
|
||||||
|
|
||||||
|
if (response) {
|
||||||
|
if (response.hasOwnProperty('version')) {
|
||||||
|
this.version = response.version;
|
||||||
|
}
|
||||||
|
if (response.hasOwnProperty('path')) {
|
||||||
|
this.path = response.path;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Allow chaining
|
||||||
|
return this;
|
||||||
|
}
|
||||||
|
|
||||||
|
close() {
|
||||||
|
return this.adapter.close(this.dbName);
|
||||||
|
}
|
||||||
|
|
||||||
|
transaction() {
|
||||||
|
return this.transactionManager.transaction();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
async autoTransaction(cb, inheritTx) {
|
||||||
|
let tx = inheritTx || this.transaction();
|
||||||
|
let result;
|
||||||
|
|
||||||
|
try {
|
||||||
|
result = await cb(tx);
|
||||||
|
} catch (e) {
|
||||||
|
if (!inheritTx) {
|
||||||
|
await tx.rollback();
|
||||||
|
}
|
||||||
|
throw e;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!inheritTx) {
|
||||||
|
await tx.commit();
|
||||||
|
}
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// Helper method to start a transaction and execute a single SQL statement
|
||||||
|
sql(sql, ...args) {
|
||||||
|
return this.autoTransaction((tx) => tx.sql(sql, ...args));
|
||||||
|
}
|
||||||
|
}
|
12
src/log.mjs
Normal file
12
src/log.mjs
Normal file
@ -0,0 +1,12 @@
|
|||||||
|
let DEBUG = false;
|
||||||
|
|
||||||
|
export function log(...args) {
|
||||||
|
if (DEBUG) {
|
||||||
|
console.log(...args);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
export function enableDebug(active) {
|
||||||
|
DEBUG = !!active;
|
||||||
|
log("PawSQLite: debugging " + (DEBUG ? "enabled" : "disabled"));
|
||||||
|
}
|
41
src/pawsqlite.mjs
Normal file
41
src/pawsqlite.mjs
Normal file
@ -0,0 +1,41 @@
|
|||||||
|
import { Database } from "./database.mjs";
|
||||||
|
import { PawSQLiteError } from "./pawsqlite_error.mjs";
|
||||||
|
import { enableDebug } from "./log.mjs";
|
||||||
|
|
||||||
|
// Adapters
|
||||||
|
import { PSQLAdapter } from "./adapters/cordova_pawsqlite/psql_adapter.mjs";
|
||||||
|
import { WebSQLAdapter } from "./adapters/websql/websql_adapter.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
export default {
|
||||||
|
open: async function(dbName, options = {}) {
|
||||||
|
const adapter = getAdapter(options.adapter);
|
||||||
|
|
||||||
|
let db = new Database(dbName, adapter);
|
||||||
|
await db.open();
|
||||||
|
return db;
|
||||||
|
},
|
||||||
|
delete: function(dbName, options = {}) {
|
||||||
|
const adapter = getAdapter(options.adapter);
|
||||||
|
|
||||||
|
return adapter.delete(dbName);
|
||||||
|
},
|
||||||
|
debug: enableDebug,
|
||||||
|
Error: PawSQLiteError
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
function getAdapter(adapterName) {
|
||||||
|
if (!adapterName) {
|
||||||
|
adapterName = "pawsqlite";
|
||||||
|
} else {
|
||||||
|
adapterName = adapterName.toLowerCase();
|
||||||
|
}
|
||||||
|
if (adapterName === "pawsqlite") {
|
||||||
|
return PSQLAdapter;
|
||||||
|
} else if (adapterName === "websql") {
|
||||||
|
return WebSQLAdapter;
|
||||||
|
} else {
|
||||||
|
throw new PawSQLiteError(`Unknown Adapter: ${adapterName}`);
|
||||||
|
}
|
||||||
|
}
|
6
src/pawsqlite_error.mjs
Normal file
6
src/pawsqlite_error.mjs
Normal file
@ -0,0 +1,6 @@
|
|||||||
|
export class PawSQLiteError extends Error {
|
||||||
|
constructor(message) {
|
||||||
|
super(message);
|
||||||
|
this.name = "PawSQLiteError";
|
||||||
|
}
|
||||||
|
}
|
19
src/result.mjs
Normal file
19
src/result.mjs
Normal file
@ -0,0 +1,19 @@
|
|||||||
|
import { PawSQLiteError } from "./pawsqlite_error.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
export class Result extends Array {
|
||||||
|
constructor(result) {
|
||||||
|
if (result.hasOwnProperty("rows")) {
|
||||||
|
super(...result.rows);
|
||||||
|
} else {
|
||||||
|
super();
|
||||||
|
}
|
||||||
|
|
||||||
|
if (result.hasOwnProperty("insertId")) {
|
||||||
|
this.insertId = result.insertId;
|
||||||
|
}
|
||||||
|
if (result.hasOwnProperty("rowsAffected")) {
|
||||||
|
this.rowsAffected = result.rowsAffected;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
138
src/transaction.mjs
Normal file
138
src/transaction.mjs
Normal file
@ -0,0 +1,138 @@
|
|||||||
|
import { Result } from "./result.mjs";
|
||||||
|
import { PawSQLiteError } from "./pawsqlite_error.mjs";
|
||||||
|
|
||||||
|
|
||||||
|
export class Transaction {
|
||||||
|
constructor(dbName, adapter, enqueue, rollbackOnError=false) {
|
||||||
|
this.dbName = dbName;
|
||||||
|
this.adapter = adapter;
|
||||||
|
this._rollbackOnError = rollbackOnError;
|
||||||
|
|
||||||
|
this._enqueue = enqueue;
|
||||||
|
this._completeCb = null;
|
||||||
|
|
||||||
|
this._readyWait = null;
|
||||||
|
this._ready = false;
|
||||||
|
this._finalized = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
async sql(sql, ...args) {
|
||||||
|
if (this._finalized) {
|
||||||
|
throw new PawSQLiteError("Transaction has already completed");
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!this._ready) {
|
||||||
|
await this._waitUntilReady();
|
||||||
|
}
|
||||||
|
|
||||||
|
try {
|
||||||
|
return await this._executeSQL(sql, ...args);
|
||||||
|
} catch (e) {
|
||||||
|
if (this._rollbackOnError) {
|
||||||
|
await this.rollback();
|
||||||
|
}
|
||||||
|
throw e;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Allow for slightly more complex parameter substitution.
|
||||||
|
// Instances of "???" will be replaced by the same number of comma-separated
|
||||||
|
// question marks as items in the corresponding nested parateter array
|
||||||
|
// eg. buildQuery("SELECT (???) FROM ?", [["col1", "col2"], "table1"])
|
||||||
|
// would output: ["SELECT (?, ?) FROM ?", ["col1", "col2", "table1"]]
|
||||||
|
buildQuery(sql, ...args) {
|
||||||
|
const parts = sql.split("???");
|
||||||
|
const subParamLengths = args
|
||||||
|
.filter(Array.isArray)
|
||||||
|
.map((a) => a.length);
|
||||||
|
if (parts.length !== subParamLengths.length + 1) {
|
||||||
|
throw new PawSQLiteError("Unable to build query: sub-" +
|
||||||
|
"paramters do not match sub-paramters in query");
|
||||||
|
}
|
||||||
|
|
||||||
|
const newQuery = parts.reduce((p1, p2, i) => {
|
||||||
|
const length = subParamLengths[i - 1];
|
||||||
|
return p1 + new Array(length).fill("?").join(", ") + p2;
|
||||||
|
});
|
||||||
|
|
||||||
|
const flatParams = args.reduce((acc, v) => {
|
||||||
|
if (Array.isArray(v)) {
|
||||||
|
Array.prototype.push.apply(acc, v);
|
||||||
|
} else {
|
||||||
|
acc.push(v);
|
||||||
|
}
|
||||||
|
return acc;
|
||||||
|
}, []);
|
||||||
|
|
||||||
|
return [newQuery, ...flatParams];
|
||||||
|
}
|
||||||
|
|
||||||
|
commit() {
|
||||||
|
return this._complete("COMMIT");
|
||||||
|
}
|
||||||
|
|
||||||
|
rollback() {
|
||||||
|
return this._complete("ROLLBACK");
|
||||||
|
}
|
||||||
|
|
||||||
|
async _waitUntilReady() {
|
||||||
|
if (!this._readyWait) {
|
||||||
|
this._readyWait = (async () => {
|
||||||
|
this._completeCb = await this._enqueue();
|
||||||
|
await this._begin();
|
||||||
|
this._ready = true;
|
||||||
|
})();
|
||||||
|
}
|
||||||
|
|
||||||
|
await this._readyWait;
|
||||||
|
}
|
||||||
|
|
||||||
|
async _executeSQL(sql, ...args) {
|
||||||
|
const reg = /^\s*(BEGIN|END|COMMIT|ROLLBACK)(?:[^A-Z]|$)/i;
|
||||||
|
const match = reg.exec(sql);
|
||||||
|
if (match) {
|
||||||
|
const statement = match[1].toUpperCase();
|
||||||
|
throw new PawSQLiteError("Manually managing transactions is " +
|
||||||
|
"forbidden. Found: \"" + statement + "\" statement.");
|
||||||
|
}
|
||||||
|
|
||||||
|
const result = await this.adapter.sql(this.dbName,
|
||||||
|
...this.buildQuery(sql, ...args));
|
||||||
|
|
||||||
|
return new Result(result);
|
||||||
|
}
|
||||||
|
|
||||||
|
async _begin() {
|
||||||
|
const result = await this.adapter.sql(this.dbName, "BEGIN");
|
||||||
|
}
|
||||||
|
|
||||||
|
async _complete(sql) {
|
||||||
|
if (this._finalized) {
|
||||||
|
throw new PawSQLiteError("Transaction has already completed");
|
||||||
|
}
|
||||||
|
this._finalized = true;
|
||||||
|
|
||||||
|
if (!this._readyWait) {
|
||||||
|
// Transaction was unused
|
||||||
|
return;
|
||||||
|
} else if (!this._ready) {
|
||||||
|
await this._waitUntilReady();
|
||||||
|
}
|
||||||
|
|
||||||
|
let result;
|
||||||
|
let error;
|
||||||
|
try {
|
||||||
|
result = await this.adapter.sql(this.dbName, sql);
|
||||||
|
} catch (e) {
|
||||||
|
error = e;
|
||||||
|
}
|
||||||
|
|
||||||
|
this._completeCb();
|
||||||
|
|
||||||
|
if (error) {
|
||||||
|
throw error;
|
||||||
|
}
|
||||||
|
|
||||||
|
return new Result(result);
|
||||||
|
}
|
||||||
|
}
|
55
src/transaction_manager.mjs
Normal file
55
src/transaction_manager.mjs
Normal file
@ -0,0 +1,55 @@
|
|||||||
|
import { Transaction } from "./transaction.mjs";
|
||||||
|
|
||||||
|
export class TransactionManager {
|
||||||
|
constructor(dbName, adapter) {
|
||||||
|
this.dbName = dbName;
|
||||||
|
this.adapter = adapter;
|
||||||
|
this._queue = [];
|
||||||
|
this._inTransaction = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
transaction() {
|
||||||
|
return new Transaction(this.dbName, this.adapter,
|
||||||
|
this.enqueue.bind(this));
|
||||||
|
}
|
||||||
|
|
||||||
|
enqueue() {
|
||||||
|
let completeSignal;
|
||||||
|
let transactionComplete = new Promise((r, _) => {
|
||||||
|
completeSignal = r;
|
||||||
|
});
|
||||||
|
|
||||||
|
let readySignal;
|
||||||
|
let dbReady = new Promise((r, _) => {
|
||||||
|
readySignal = () => {
|
||||||
|
r(completeSignal);
|
||||||
|
};
|
||||||
|
});
|
||||||
|
|
||||||
|
this._queue.push({readySignal, transactionComplete});
|
||||||
|
|
||||||
|
this._processQueue();
|
||||||
|
return dbReady;
|
||||||
|
}
|
||||||
|
|
||||||
|
async _processQueue() {
|
||||||
|
// We're already processing the queue
|
||||||
|
if (this._inTransaction) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
while (true) {
|
||||||
|
let item = this._queue.shift();
|
||||||
|
if (!item) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
this._inTransaction = true;
|
||||||
|
|
||||||
|
item.readySignal();
|
||||||
|
await item.transactionComplete;
|
||||||
|
|
||||||
|
this._inTransaction = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
18
webpack.config.js
Normal file
18
webpack.config.js
Normal file
@ -0,0 +1,18 @@
|
|||||||
|
var webpack = require('webpack');
|
||||||
|
var libraryName = 'PawSQLite';
|
||||||
|
var outputFile = libraryName + '.js';
|
||||||
|
|
||||||
|
var config = {
|
||||||
|
mode: 'development',
|
||||||
|
entry: __dirname + '/src/pawsqlite.mjs',
|
||||||
|
devtool: 'source-map',
|
||||||
|
output: {
|
||||||
|
path: __dirname + '/lib',
|
||||||
|
filename: outputFile,
|
||||||
|
library: libraryName,
|
||||||
|
libraryExport: 'default',
|
||||||
|
libraryTarget: 'commonjs2',
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
module.exports = config;
|
Loading…
Reference in New Issue
Block a user