3 files changed, 225 insertions, 0 deletions
diff --git a/node_modules/tiny-worker/lib/index.js b/node_modules/tiny-worker/lib/index.js
new file mode 100644
index 000000000..1cce88cfe
--- /dev/null
+++ b/node_modules/tiny-worker/lib/index.js
@@ -0,0 +1,137 @@
+"use strict";
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var path = require("path"),
+    fork = require("child_process").fork,
+    worker = path.join(__dirname, "worker.js"),
+    events = /^(error|message)$/,
+    defaultPorts = { inspect: 9229, debug: 5858 };
+var range = { min: 1, max: 300 };
+
+var Worker = function () {
+	function Worker(arg) {
+		var _this = this;
+
+		var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+		var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : { cwd: process.cwd() };
+
+		_classCallCheck(this, Worker);
+
+		var isfn = typeof arg === "function",
+		    input = isfn ? arg.toString() : arg;
+
+		if (!options.cwd) {
+			options.cwd = process.cwd();
+		}
+
+		//get all debug related parameters
+		var debugVars = process.execArgv.filter(function (execArg) {
+			return (/(debug|inspect)/.test(execArg)
+			);
+		});
+		if (debugVars.length > 0 && !options.noDebugRedirection) {
+			if (!options.execArgv) {
+				//if no execArgs are given copy all arguments
+				debugVars = Array.from(process.execArgv);
+				options.execArgv = [];
+			}
+
+			var inspectIndex = debugVars.findIndex(function (debugArg) {
+				//get index of inspect parameter
+				return (/^--inspect(-brk)?(=\d+)?$/.test(debugArg)
+				);
+			});
+
+			var debugIndex = debugVars.findIndex(function (debugArg) {
+				//get index of debug parameter
+				return (/^--debug(-brk)?(=\d+)?$/.test(debugArg)
+				);
+			});
+
+			var portIndex = inspectIndex >= 0 ? inspectIndex : debugIndex; //get index of port, inspect has higher priority
+
+			if (portIndex >= 0) {
+				var match = /^--(debug|inspect)(?:-brk)?(?:=(\d+))?$/.exec(debugVars[portIndex]); //get port
+				var port = defaultPorts[match[1]];
+				if (match[2]) {
+					port = parseInt(match[2]);
+				}
+				debugVars[portIndex] = "--" + match[1] + "=" + (port + range.min + Math.floor(Math.random() * (range.max - range.min))); //new parameter
+
+				if (debugIndex >= 0 && debugIndex !== portIndex) {
+					//remove "-brk" from debug if there
+					match = /^(--debug)(?:-brk)?(.*)/.exec(debugVars[debugIndex]);
+					debugVars[debugIndex] = match[1] + (match[2] ? match[2] : "");
+				}
+			}
+			options.execArgv = options.execArgv.concat(debugVars);
+		}
+
+		delete options.noDebugRedirection;
+
+		this.child = fork(worker, args, options);
+		this.onerror = undefined;
+		this.onmessage = undefined;
+
+		this.child.on("error", function (e) {
+			if (_this.onerror) {
+				_this.onerror.call(_this, e);
+			}
+		});
+
+		this.child.on("message", function (msg) {
+			var message = JSON.parse(msg);
+			var error = void 0;
+
+			if (!message.error && _this.onmessage) {
+				_this.onmessage.call(_this, message);
+			}
+
+			if (message.error && _this.onerror) {
+				error = new Error(message.error);
+				error.stack = message.stack;
+
+				_this.onerror.call(_this, error);
+			}
+		});
+
+		this.child.send({ input: input, isfn: isfn, cwd: options.cwd });
+	}
+
+	_createClass(Worker, [{
+		key: "addEventListener",
+		value: function addEventListener(event, fn) {
+			if (events.test(event)) {
+				this["on" + event] = fn;
+			}
+		}
+	}, {
+		key: "postMessage",
+		value: function postMessage(msg) {
+			this.child.send(JSON.stringify({ data: msg }, null, 0));
+		}
+	}, {
+		key: "terminate",
+		value: function terminate() {
+			this.child.kill("SIGINT");
+		}
+	}], [{
+		key: "setRange",
+		value: function setRange(min, max) {
+			if (min >= max) {
+				return false;
+			}
+			range.min = min;
+			range.max = max;
+
+			return true;
+		}
+	}]);
+
+	return Worker;
+}();
+
+module.exports = Worker;
diff --git a/node_modules/tiny-worker/lib/noop.js b/node_modules/tiny-worker/lib/noop.js
new file mode 100644
index 000000000..312fce83b
--- /dev/null
+++ b/node_modules/tiny-worker/lib/noop.js
@@ -0,0 +1,5 @@
+"use strict";
+
+module.exports = function () {
+  return void 0;
+};
diff --git a/node_modules/tiny-worker/lib/worker.js b/node_modules/tiny-worker/lib/worker.js
new file mode 100644
index 000000000..c8e5d6885
--- /dev/null
+++ b/node_modules/tiny-worker/lib/worker.js
@@ -0,0 +1,83 @@
+"use strict";
+
+var fs = require("fs"),
+    path = require("path"),
+    vm = require("vm"),
+    noop = require(path.join(__dirname, "noop.js")),
+    events = /^(error|message)$/;
+
+function trim(arg) {
+	return arg.replace(/^(\s+|\t+|\n+)|(\s+|\t+|\n+)$/g, "");
+}
+
+function explode(arg) {
+	return trim(arg).split(new RegExp("\\s*,\\s*"));
+}
+
+function toFunction(arg) {
+	var args = trim(arg.replace(/^.*\(/, "").replace(/[\t|\r|\n|\"|\']+/g, "").replace(/\).*/, "")),
+	    body = trim(arg.replace(/^.*\{/, "").replace(/\}$/, ""));
+
+	return Function.apply(Function, explode(args).concat([body]));
+}
+
+// Bootstraps the Worker
+process.once("message", function (obj) {
+	var exp = obj.isfn ? toFunction(obj.input) : fs.readFileSync(obj.input, "utf8");
+
+	global.self = {
+		close: function close() {
+			process.exit(0);
+		},
+		postMessage: function postMessage(msg) {
+			process.send(JSON.stringify({ data: msg }, null, 0));
+		},
+		onmessage: void 0,
+		onerror: function onerror(err) {
+			process.send(JSON.stringify({ error: err.message, stack: err.stack }, null, 0));
+		},
+		addEventListener: function addEventListener(event, fn) {
+			if (events.test(event)) {
+				global["on" + event] = global.self["on" + event] = fn;
+			}
+		}
+	};
+
+	global.__dirname = obj.cwd;
+	global.__filename = __filename;
+	global.require = require;
+
+	global.importScripts = function () {
+		for (var _len = arguments.length, files = Array(_len), _key = 0; _key < _len; _key++) {
+			files[_key] = arguments[_key];
+		}
+
+		if (files.length > 0) {
+			vm.createScript(files.map(function (file) {
+				return fs.readFileSync(file, "utf8");
+			}).join("\n")).runInThisContext();
+		}
+	};
+
+	Object.keys(global.self).forEach(function (key) {
+		global[key] = global.self[key];
+	});
+
+	process.on("message", function (msg) {
+		try {
+			(global.onmessage || global.self.onmessage || noop)(JSON.parse(msg));
+		} catch (err) {
+			(global.onerror || global.self.onerror || noop)(err);
+		}
+	});
+
+	process.on("error", function (err) {
+		(global.onerror || global.self.onerror || noop)(err);
+	});
+
+	if (typeof exp === "function") {
+		exp();
+	} else {
+		vm.createScript(exp).runInThisContext();
+	}
+});