Moved

CM2010 Software Design and Development/Topic 2/8.2.4/node_modules/workerpool/dist/worker.js

@@ -0,0 +1,224 @@
+/**
+ * workerpool.js
+ * https://github.com/josdejong/workerpool
+ *
+ * Offload tasks to a pool of workers on node.js and in the browser.
+ *
+ * @version 6.1.4
+ * @date    2021-04-05
+ *
+ * @license
+ * Copyright (C) 2014-2020 Jos de Jong <wjosdejong@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy
+ * of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+/******/ (function() { // webpackBootstrap
+var __webpack_exports__ = {};
+// This entry need to be wrapped in an IIFE because it uses a non-standard name for the exports (exports).
+!function() {
+var exports = __webpack_exports__;
+var __webpack_unused_export__;
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+/**
+ * worker must be started as a child process or a web worker.
+ * It listens for RPC messages from the parent process.
+ */
+// source of inspiration: https://github.com/sindresorhus/require-fool-webpack
+var requireFoolWebpack = eval('typeof require !== \'undefined\'' + ' ? require' + ' : function (module) { throw new Error(\'Module " + module + " not found.\') }');
+/**
+ * Special message sent by parent which causes the worker to terminate itself.
+ * Not a "message object"; this string is the entire message.
+ */
+
+var TERMINATE_METHOD_ID = '__workerpool-terminate__'; // var nodeOSPlatform = require('./environment').nodeOSPlatform;
+// create a worker API for sending and receiving messages which works both on
+// node.js and in the browser
+
+var worker = {
+  exit: function exit() {}
+};
+
+if (typeof self !== 'undefined' && typeof postMessage === 'function' && typeof addEventListener === 'function') {
+  // worker in the browser
+  worker.on = function (event, callback) {
+    addEventListener(event, function (message) {
+      callback(message.data);
+    });
+  };
+
+  worker.send = function (message) {
+    postMessage(message);
+  };
+} else if (typeof process !== 'undefined') {
+  // node.js
+  var WorkerThreads;
+
+  try {
+    WorkerThreads = requireFoolWebpack('worker_threads');
+  } catch (error) {
+    if (_typeof(error) === 'object' && error !== null && error.code === 'MODULE_NOT_FOUND') {// no worker_threads, fallback to sub-process based workers
+    } else {
+      throw error;
+    }
+  }
+
+  if (WorkerThreads &&
+  /* if there is a parentPort, we are in a WorkerThread */
+  WorkerThreads.parentPort !== null) {
+    var parentPort = WorkerThreads.parentPort;
+    worker.send = parentPort.postMessage.bind(parentPort);
+    worker.on = parentPort.on.bind(parentPort);
+  } else {
+    worker.on = process.on.bind(process);
+    worker.send = process.send.bind(process); // register disconnect handler only for subprocess worker to exit when parent is killed unexpectedly
+
+    worker.on('disconnect', function () {
+      process.exit(1);
+    });
+    worker.exit = process.exit.bind(process);
+  }
+} else {
+  throw new Error('Script must be executed as a worker');
+}
+
+function convertError(error) {
+  return Object.getOwnPropertyNames(error).reduce(function (product, name) {
+    return Object.defineProperty(product, name, {
+      value: error[name],
+      enumerable: true
+    });
+  }, {});
+}
+/**
+ * Test whether a value is a Promise via duck typing.
+ * @param {*} value
+ * @returns {boolean} Returns true when given value is an object
+ *                    having functions `then` and `catch`.
+ */
+
+
+function isPromise(value) {
+  return value && typeof value.then === 'function' && typeof value["catch"] === 'function';
+} // functions available externally
+
+
+worker.methods = {};
+/**
+ * Execute a function with provided arguments
+ * @param {String} fn     Stringified function
+ * @param {Array} [args]  Function arguments
+ * @returns {*}
+ */
+
+worker.methods.run = function run(fn, args) {
+  var f = new Function('return (' + fn + ').apply(null, arguments);');
+  return f.apply(f, args);
+};
+/**
+ * Get a list with methods available on this worker
+ * @return {String[]} methods
+ */
+
+
+worker.methods.methods = function methods() {
+  return Object.keys(worker.methods);
+};
+
+var currentRequestId = null;
+worker.on('message', function (request) {
+  if (request === TERMINATE_METHOD_ID) {
+    return worker.exit(0);
+  }
+
+  try {
+    var method = worker.methods[request.method];
+
+    if (method) {
+      currentRequestId = request.id; // execute the function
+
+      var result = method.apply(method, request.params);
+
+      if (isPromise(result)) {
+        // promise returned, resolve this and then return
+        result.then(function (result) {
+          worker.send({
+            id: request.id,
+            result: result,
+            error: null
+          });
+          currentRequestId = null;
+        })["catch"](function (err) {
+          worker.send({
+            id: request.id,
+            result: null,
+            error: convertError(err)
+          });
+          currentRequestId = null;
+        });
+      } else {
+        // immediate result
+        worker.send({
+          id: request.id,
+          result: result,
+          error: null
+        });
+        currentRequestId = null;
+      }
+    } else {
+      throw new Error('Unknown method "' + request.method + '"');
+    }
+  } catch (err) {
+    worker.send({
+      id: request.id,
+      result: null,
+      error: convertError(err)
+    });
+  }
+});
+/**
+ * Register methods to the worker
+ * @param {Object} methods
+ */
+
+worker.register = function (methods) {
+  if (methods) {
+    for (var name in methods) {
+      if (methods.hasOwnProperty(name)) {
+        worker.methods[name] = methods[name];
+      }
+    }
+  }
+
+  worker.send('ready');
+};
+
+worker.emit = function (payload) {
+  if (currentRequestId) {
+    worker.send({
+      id: currentRequestId,
+      isEvent: true,
+      payload: payload
+    });
+  }
+};
+
+if (true) {
+  __webpack_unused_export__ = worker.register;
+  __webpack_unused_export__ = worker.emit;
+}
+}();
+/******/ })()
+;
+//# sourceMappingURL=worker.js.map

CM2010 Software Design and Development/Topic 2/8.2.4/node_modules/workerpool/dist/workerpool.min.js.LICENSE.txt

@@ -0,0 +1,24 @@
+/**
+ * workerpool.js
+ * https://github.com/josdejong/workerpool
+ *
+ * Offload tasks to a pool of workers on node.js and in the browser.
+ *
+ * @version 6.1.4
+ * @date    2021-04-05
+ *
+ * @license
+ * Copyright (C) 2014-2020 Jos de Jong <wjosdejong@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy
+ * of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */