1 files changed, 551 insertions, 0 deletions
diff --git a/node_modules/mysql2/promise.js b/node_modules/mysql2/promise.js
new file mode 100644
index 0000000..fc74cc0
--- /dev/null
+++ b/node_modules/mysql2/promise.js
@@ -0,0 +1,551 @@
+'use strict';
+
+const core = require('./index.js');
+const EventEmitter = require('events').EventEmitter;
+
+function makeDoneCb(resolve, reject, localErr) {
+  return function (err, rows, fields) {
+    if (err) {
+      localErr.message = err.message;
+      localErr.code = err.code;
+      localErr.errno = err.errno;
+      localErr.sql = err.sql;
+      localErr.sqlState = err.sqlState;
+      localErr.sqlMessage = err.sqlMessage;
+      reject(localErr);
+    } else {
+      resolve([rows, fields]);
+    }
+  };
+}
+
+function inheritEvents(source, target, events) {
+  const listeners = {};
+  target
+    .on('newListener', eventName => {
+      if (events.indexOf(eventName) >= 0 && !target.listenerCount(eventName)) {
+        source.on(
+          eventName,
+          (listeners[eventName] = function () {
+            const args = [].slice.call(arguments);
+            args.unshift(eventName);
+
+            target.emit.apply(target, args);
+          })
+        );
+      }
+    })
+    .on('removeListener', eventName => {
+      if (events.indexOf(eventName) >= 0 && !target.listenerCount(eventName)) {
+        source.removeListener(eventName, listeners[eventName]);
+        delete listeners[eventName];
+      }
+    });
+}
+
+class PromisePreparedStatementInfo {
+  constructor(statement, promiseImpl) {
+    this.statement = statement;
+    this.Promise = promiseImpl;
+  }
+
+  execute(parameters) {
+    const s = this.statement;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      if (parameters) {
+        s.execute(parameters, done);
+      } else {
+        s.execute(done);
+      }
+    });
+  }
+
+  close() {
+    return new this.Promise(resolve => {
+      this.statement.close();
+      resolve();
+    });
+  }
+}
+
+class PromiseConnection extends EventEmitter {
+  constructor(connection, promiseImpl) {
+    super();
+    this.connection = connection;
+    this.Promise = promiseImpl || Promise;
+    inheritEvents(connection, this, [
+      'error',
+      'drain',
+      'connect',
+      'end',
+      'enqueue'
+    ]);
+  }
+
+  release() {
+    this.connection.release();
+  }
+
+  query(query, params) {
+    const c = this.connection;
+    const localErr = new Error();
+    if (typeof params === 'function') {
+      throw new Error(
+        'Callback function is not available with promise clients.'
+      );
+    }
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      if (params !== undefined) {
+        c.query(query, params, done);
+      } else {
+        c.query(query, done);
+      }
+    });
+  }
+
+  execute(query, params) {
+    const c = this.connection;
+    const localErr = new Error();
+    if (typeof params === 'function') {
+      throw new Error(
+        'Callback function is not available with promise clients.'
+      );
+    }
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      if (params !== undefined) {
+        c.execute(query, params, done);
+      } else {
+        c.execute(query, done);
+      }
+    });
+  }
+
+  end() {
+    return new this.Promise(resolve => {
+      this.connection.end(resolve);
+    });
+  }
+
+  beginTransaction() {
+    const c = this.connection;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      c.beginTransaction(done);
+    });
+  }
+
+  commit() {
+    const c = this.connection;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      c.commit(done);
+    });
+  }
+
+  rollback() {
+    const c = this.connection;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      c.rollback(done);
+    });
+  }
+
+  ping() {
+    const c = this.connection;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      c.ping(done);
+    });
+  }
+
+  connect() {
+    const c = this.connection;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      c.connect((err, param) => {
+        if (err) {
+          localErr.message = err.message;
+          localErr.code = err.code;
+          localErr.errno = err.errno;
+          localErr.sqlState = err.sqlState;
+          localErr.sqlMessage = err.sqlMessage;
+          reject(localErr);
+        } else {
+          resolve(param);
+        }
+      });
+    });
+  }
+
+  prepare(options) {
+    const c = this.connection;
+    const promiseImpl = this.Promise;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      c.prepare(options, (err, statement) => {
+        if (err) {
+          localErr.message = err.message;
+          localErr.code = err.code;
+          localErr.errno = err.errno;
+          localErr.sqlState = err.sqlState;
+          localErr.sqlMessage = err.sqlMessage;
+          reject(localErr);
+        } else {
+          const wrappedStatement = new PromisePreparedStatementInfo(
+            statement,
+            promiseImpl
+          );
+          resolve(wrappedStatement);
+        }
+      });
+    });
+  }
+
+  changeUser(options) {
+    const c = this.connection;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      c.changeUser(options, err => {
+        if (err) {
+          localErr.message = err.message;
+          localErr.code = err.code;
+          localErr.errno = err.errno;
+          localErr.sqlState = err.sqlState;
+          localErr.sqlMessage = err.sqlMessage;
+          reject(localErr);
+        } else {
+          resolve();
+        }
+      });
+    });
+  }
+
+  get config() {
+    return this.connection.config;
+  }
+
+  get threadId() {
+    return this.connection.threadId;
+  }
+}
+
+function createConnection(opts) {
+  const coreConnection = core.createConnection(opts);
+  const createConnectionErr = new Error();
+  const thePromise = opts.Promise || Promise;
+  if (!thePromise) {
+    throw new Error(
+      'no Promise implementation available.' +
+      'Use promise-enabled node version or pass userland Promise' +
+      " implementation as parameter, for example: { Promise: require('bluebird') }"
+    );
+  }
+  return new thePromise((resolve, reject) => {
+    coreConnection.once('connect', () => {
+      resolve(new PromiseConnection(coreConnection, thePromise));
+    });
+    coreConnection.once('error', err => {
+      createConnectionErr.message = err.message;
+      createConnectionErr.code = err.code;
+      createConnectionErr.errno = err.errno;
+      createConnectionErr.sqlState = err.sqlState;
+      reject(createConnectionErr);
+    });
+  });
+}
+
+// note: the callback of "changeUser" is not called on success
+// hence there is no possibility to call "resolve"
+
+// patching PromiseConnection
+// create facade functions for prototype functions on "Connection" that are not yet
+// implemented with PromiseConnection
+
+// proxy synchronous functions only
+(function (functionsToWrap) {
+  for (let i = 0; functionsToWrap && i < functionsToWrap.length; i++) {
+    const func = functionsToWrap[i];
+
+    if (
+      typeof core.Connection.prototype[func] === 'function' &&
+      PromiseConnection.prototype[func] === undefined
+    ) {
+      PromiseConnection.prototype[func] = (function factory(funcName) {
+        return function () {
+          return core.Connection.prototype[funcName].apply(
+            this.connection,
+            arguments
+          );
+        };
+      })(func);
+    }
+  }
+})([
+  // synchronous functions
+  'close',
+  'createBinlogStream',
+  'destroy',
+  'escape',
+  'escapeId',
+  'format',
+  'pause',
+  'pipe',
+  'resume',
+  'unprepare'
+]);
+
+class PromisePoolConnection extends PromiseConnection {
+  constructor(connection, promiseImpl) {
+    super(connection, promiseImpl);
+  }
+
+  destroy() {
+    return core.PoolConnection.prototype.destroy.apply(
+      this.connection,
+      arguments
+    );
+  }
+}
+
+class PromisePool extends EventEmitter {
+  constructor(pool, thePromise) {
+    super();
+    this.pool = pool;
+    this.Promise = thePromise || Promise;
+    inheritEvents(pool, this, ['acquire', 'connection', 'enqueue', 'release']);
+  }
+
+  getConnection() {
+    const corePool = this.pool;
+    return new this.Promise((resolve, reject) => {
+      corePool.getConnection((err, coreConnection) => {
+        if (err) {
+          reject(err);
+        } else {
+          resolve(new PromisePoolConnection(coreConnection, this.Promise));
+        }
+      });
+    });
+  }
+
+  query(sql, args) {
+    const corePool = this.pool;
+    const localErr = new Error();
+    if (typeof args === 'function') {
+      throw new Error(
+        'Callback function is not available with promise clients.'
+      );
+    }
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      if (args !== undefined) {
+        corePool.query(sql, args, done);
+      } else {
+        corePool.query(sql, done);
+      }
+    });
+  }
+
+  execute(sql, args) {
+    const corePool = this.pool;
+    const localErr = new Error();
+    if (typeof args === 'function') {
+      throw new Error(
+        'Callback function is not available with promise clients.'
+      );
+    }
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      if (args) {
+        corePool.execute(sql, args, done);
+      } else {
+        corePool.execute(sql, done);
+      }
+    });
+  }
+
+  end() {
+    const corePool = this.pool;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      corePool.end(err => {
+        if (err) {
+          localErr.message = err.message;
+          localErr.code = err.code;
+          localErr.errno = err.errno;
+          localErr.sqlState = err.sqlState;
+          localErr.sqlMessage = err.sqlMessage;
+          reject(localErr);
+        } else {
+          resolve();
+        }
+      });
+    });
+  }
+}
+
+function createPool(opts) {
+  const corePool = core.createPool(opts);
+  const thePromise = opts.Promise || Promise;
+  if (!thePromise) {
+    throw new Error(
+      'no Promise implementation available.' +
+      'Use promise-enabled node version or pass userland Promise' +
+      " implementation as parameter, for example: { Promise: require('bluebird') }"
+    );
+  }
+
+  return new PromisePool(corePool, thePromise);
+}
+
+(function (functionsToWrap) {
+  for (let i = 0; functionsToWrap && i < functionsToWrap.length; i++) {
+    const func = functionsToWrap[i];
+
+    if (
+      typeof core.Pool.prototype[func] === 'function' &&
+      PromisePool.prototype[func] === undefined
+    ) {
+      PromisePool.prototype[func] = (function factory(funcName) {
+        return function () {
+          return core.Pool.prototype[funcName].apply(this.pool, arguments);
+        };
+      })(func);
+    }
+  }
+})([
+  // synchronous functions
+  'escape',
+  'escapeId',
+  'format'
+]);
+
+class PromisePoolCluster extends EventEmitter {
+  constructor(poolCluster, thePromise) {
+    super();
+    this.poolCluster = poolCluster;
+    this.Promise = thePromise || Promise;
+    inheritEvents(poolCluster, this, ['acquire', 'connection', 'enqueue', 'release']);
+  }
+
+  getConnection() {
+    const corePoolCluster = this.poolCluster;
+    return new this.Promise((resolve, reject) => {
+      corePoolCluster.getConnection((err, coreConnection) => {
+        if (err) {
+          reject(err);
+        } else {
+          resolve(new PromisePoolConnection(coreConnection, this.Promise));
+        }
+      });
+    });
+  }
+
+  query(sql, args) {
+    const corePoolCluster = this.poolCluster;
+    const localErr = new Error();
+    if (typeof args === 'function') {
+      throw new Error(
+        'Callback function is not available with promise clients.'
+      );
+    }
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      corePoolCluster.query(sql, args, done);
+    });
+  }
+
+  execute(sql, args) {
+    const corePoolCluster = this.poolCluster;
+    const localErr = new Error();
+    if (typeof args === 'function') {
+      throw new Error(
+        'Callback function is not available with promise clients.'
+      );
+    }
+    return new this.Promise((resolve, reject) => {
+      const done = makeDoneCb(resolve, reject, localErr);
+      corePoolCluster.execute(sql, args, done);
+    });
+  }
+
+  of(pattern, selector) {
+    return new PromisePoolCluster(
+      this.poolCluster.of(pattern, selector),
+      this.Promise
+    );
+  }
+
+  end() {
+    const corePoolCluster = this.poolCluster;
+    const localErr = new Error();
+    return new this.Promise((resolve, reject) => {
+      corePoolCluster.end(err => {
+        if (err) {
+          localErr.message = err.message;
+          localErr.code = err.code;
+          localErr.errno = err.errno;
+          localErr.sqlState = err.sqlState;
+          localErr.sqlMessage = err.sqlMessage;
+          reject(localErr);
+        } else {
+          resolve();
+        }
+      });
+    });
+  }
+}
+
+/**
+ * proxy poolCluster synchronous functions
+ */
+(function (functionsToWrap) {
+  for (let i = 0; functionsToWrap && i < functionsToWrap.length; i++) {
+    const func = functionsToWrap[i];
+
+    if (
+      typeof core.PoolCluster.prototype[func] === 'function' &&
+      PromisePoolCluster.prototype[func] === undefined
+    ) {
+      PromisePoolCluster.prototype[func] = (function factory(funcName) {
+        return function () {
+          return core.PoolCluster.prototype[funcName].apply(this.poolCluster, arguments);
+        };
+      })(func);
+    }
+  }
+})([
+  'add'
+]);
+
+function createPoolCluster(opts) {
+  const corePoolCluster = core.createPoolCluster(opts);
+  const thePromise = (opts && opts.Promise) || Promise;
+  if (!thePromise) {
+    throw new Error(
+      'no Promise implementation available.' +
+      'Use promise-enabled node version or pass userland Promise' +
+      " implementation as parameter, for example: { Promise: require('bluebird') }"
+    );
+  }
+  return new PromisePoolCluster(corePoolCluster, thePromise);
+}
+
+exports.createConnection = createConnection;
+exports.createPool = createPool;
+exports.createPoolCluster = createPoolCluster;
+exports.escape = core.escape;
+exports.escapeId = core.escapeId;
+exports.format = core.format;
+exports.raw = core.raw;
+exports.PromisePool = PromisePool;
+exports.PromiseConnection = PromiseConnection;
+exports.PromisePoolConnection = PromisePoolConnection;