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extension-worker.js
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extension-worker.js
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/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // 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);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 3);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports, __webpack_require__) {
var microee = __webpack_require__(11);
// Implements a subset of Node's stream.Transform - in a cross-platform manner.
function Transform() {}
microee.mixin(Transform);
// The write() signature is different from Node's
// --> makes it much easier to work with objects in logs.
// One of the lessons from v1 was that it's better to target
// a good browser rather than the lowest common denominator
// internally.
// If you want to use external streams, pipe() to ./stringify.js first.
Transform.prototype.write = function(name, level, args) {
this.emit('item', name, level, args);
};
Transform.prototype.end = function() {
this.emit('end');
this.removeAllListeners();
};
Transform.prototype.pipe = function(dest) {
var s = this;
// prevent double piping
s.emit('unpipe', dest);
// tell the dest that it's being piped to
dest.emit('pipe', s);
function onItem() {
dest.write.apply(dest, Array.prototype.slice.call(arguments));
}
function onEnd() { !dest._isStdio && dest.end(); }
s.on('item', onItem);
s.on('end', onEnd);
s.when('unpipe', function(from) {
var match = (from === dest) || typeof from == 'undefined';
if(match) {
s.removeListener('item', onItem);
s.removeListener('end', onEnd);
dest.emit('unpipe');
}
return match;
});
return dest;
};
Transform.prototype.unpipe = function(from) {
this.emit('unpipe', from);
return this;
};
Transform.prototype.format = function(dest) {
throw new Error([
'Warning: .format() is deprecated in Minilog v2! Use .pipe() instead. For example:',
'var Minilog = require(\'minilog\');',
'Minilog',
' .pipe(Minilog.backends.console.formatClean)',
' .pipe(Minilog.backends.console);'].join('\n'));
};
Transform.mixin = function(dest) {
var o = Transform.prototype, k;
for (k in o) {
o.hasOwnProperty(k) && (dest.prototype[k] = o[k]);
}
};
module.exports = Transform;
/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {
var minilog = __webpack_require__(9);
minilog.enable();
module.exports = minilog('vm');
/***/ }),
/* 2 */
/***/ (function(module, exports) {
var hex = {
black: '#000',
red: '#c23621',
green: '#25bc26',
yellow: '#bbbb00',
blue: '#492ee1',
magenta: '#d338d3',
cyan: '#33bbc8',
gray: '#808080',
purple: '#708'
};
function color(fg, isInverse) {
if(isInverse) {
return 'color: #fff; background: '+hex[fg]+';';
} else {
return 'color: '+hex[fg]+';';
}
}
module.exports = color;
/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {
/* WEBPACK VAR INJECTION */(function(global) {function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
/* eslint-env worker */
var ArgumentType = __webpack_require__(5);
var BlockType = __webpack_require__(6);
var dispatch = __webpack_require__(7);
var TargetType = __webpack_require__(19);
var ExtensionWorker = /*#__PURE__*/function () {
function ExtensionWorker() {
var _this = this;
_classCallCheck(this, ExtensionWorker);
this.nextExtensionId = 0;
this.initialRegistrations = [];
dispatch.waitForConnection.then(function () {
dispatch.call('extensions', 'allocateWorker').then(function (x) {
var _x = _slicedToArray(x, 2),
id = _x[0],
extension = _x[1];
_this.workerId = id;
_this.extensionURL = extension;
try {
importScripts(extension);
var initialRegistrations = _this.initialRegistrations;
_this.initialRegistrations = null;
Promise.all(initialRegistrations).then(function () {
return dispatch.call('extensions', 'onWorkerInit', id);
});
} catch (e) {
dispatch.call('extensions', 'onWorkerInit', id, e);
}
});
});
this.extensions = [];
}
_createClass(ExtensionWorker, [{
key: "register",
value: function register(extensionObject) {
var _this2 = this;
var extensionId = this.nextExtensionId++;
this.extensions.push(extensionObject);
var serviceName = "extension.".concat(this.workerId, ".").concat(extensionId);
var promise = dispatch.setService(serviceName, extensionObject).then(function () {
return dispatch.call('extensions', 'registerExtensionService', serviceName, _this2.extensionURL);
});
if (this.initialRegistrations) {
this.initialRegistrations.push(promise);
}
return promise;
}
}]);
return ExtensionWorker;
}();
global.Scratch = global.Scratch || {};
global.Scratch.ArgumentType = ArgumentType;
global.Scratch.BlockType = BlockType;
global.Scratch.TargetType = TargetType;
/**
* Expose only specific parts of the worker to extensions.
*/
var extensionWorker = new ExtensionWorker();
global.Scratch.extensions = {
register: extensionWorker.register.bind(extensionWorker)
};
/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(4)))
/***/ }),
/* 4 */
/***/ (function(module, exports) {
var g;
// This works in non-strict mode
g = (function() {
return this;
})();
try {
// This works if eval is allowed (see CSP)
g = g || new Function("return this")();
} catch (e) {
// This works if the window reference is available
if (typeof window === "object") g = window;
}
// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}
module.exports = g;
/***/ }),
/* 5 */
/***/ (function(module, exports) {
/**
* Block argument types
* @enum {string}
*/
var ArgumentType = {
/**
* Numeric value with angle picker
*/
ANGLE: 'angle',
/**
* Boolean value with hexagonal placeholder
*/
BOOLEAN: 'Boolean',
/**
* Numeric value with color picker
*/
COLOR: 'color',
/**
* Numeric value with text field
*/
NUMBER: 'number',
/**
* String value with text field
*/
STRING: 'string',
/**
* String value with matrix field
*/
MATRIX: 'matrix',
/**
* MIDI note number with note picker (piano) field
*/
NOTE: 'note',
/**
* Inline image on block (as part of the label)
*/
IMAGE: 'image'
};
module.exports = ArgumentType;
/***/ }),
/* 6 */
/***/ (function(module, exports) {
/**
* Types of block
* @enum {string}
*/
var BlockType = {
/**
* Boolean reporter with hexagonal shape
*/
BOOLEAN: 'Boolean',
/**
* A button (not an actual block) for some special action, like making a variable
*/
BUTTON: 'button',
/**
* Command block
*/
COMMAND: 'command',
/**
* Specialized command block which may or may not run a child branch
* The thread continues with the next block whether or not a child branch ran.
*/
CONDITIONAL: 'conditional',
/**
* Specialized hat block with no implementation function
* This stack only runs if the corresponding event is emitted by other code.
*/
EVENT: 'event',
/**
* Hat block which conditionally starts a block stack
*/
HAT: 'hat',
/**
* Specialized command block which may or may not run a child branch
* If a child branch runs, the thread evaluates the loop block again.
*/
LOOP: 'loop',
/**
* General reporter with numeric or string value
*/
REPORTER: 'reporter'
};
module.exports = BlockType;
/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {
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); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var SharedDispatch = __webpack_require__(8);
var log = __webpack_require__(1);
/**
* This class provides a Worker with the means to participate in the message dispatch system managed by CentralDispatch.
* From any context in the messaging system, the dispatcher's "call" method can call any method on any "service"
* provided in any participating context. The dispatch system will forward function arguments and return values across
* worker boundaries as needed.
* @see {CentralDispatch}
*/
var WorkerDispatch = /*#__PURE__*/function (_SharedDispatch) {
_inherits(WorkerDispatch, _SharedDispatch);
var _super = _createSuper(WorkerDispatch);
function WorkerDispatch() {
var _this;
_classCallCheck(this, WorkerDispatch);
_this = _super.call(this);
/**
* This promise will be resolved when we have successfully connected to central dispatch.
* @type {Promise}
* @see {waitForConnection}
* @private
*/
_this._connectionPromise = new Promise(function (resolve) {
_this._onConnect = resolve;
});
/**
* Map of service name to local service provider.
* If a service is not listed here, it is assumed to be provided by another context (another Worker or the main
* thread).
* @see {setService}
* @type {object}
*/
_this.services = {};
_this._onMessage = _this._onMessage.bind(_assertThisInitialized(_this), self);
if (typeof self !== 'undefined') {
self.onmessage = _this._onMessage;
}
return _this;
}
/**
* @returns {Promise} a promise which will resolve upon connection to central dispatch. If you need to make a call
* immediately on "startup" you can attach a 'then' to this promise.
* @example
* dispatch.waitForConnection.then(() => {
* dispatch.call('myService', 'hello');
* })
*/
_createClass(WorkerDispatch, [{
key: "waitForConnection",
get: function get() {
return this._connectionPromise;
}
/**
* Set a local object as the global provider of the specified service.
* WARNING: Any method on the provider can be called from any worker within the dispatch system.
* @param {string} service - a globally unique string identifying this service. Examples: 'vm', 'gui', 'extension9'.
* @param {object} provider - a local object which provides this service.
* @returns {Promise} - a promise which will resolve once the service is registered.
*/
}, {
key: "setService",
value: function setService(service, provider) {
var _this2 = this;
if (this.services.hasOwnProperty(service)) {
log.warn("Worker dispatch replacing existing service provider for ".concat(service));
}
this.services[service] = provider;
return this.waitForConnection.then(function () {
return _this2._remoteCall(self, 'dispatch', 'setService', service);
});
}
/**
* Fetch the service provider object for a particular service name.
* @override
* @param {string} service - the name of the service to look up
* @returns {{provider:(object|Worker), isRemote:boolean}} - the means to contact the service, if found
* @protected
*/
}, {
key: "_getServiceProvider",
value: function _getServiceProvider(service) {
// if we don't have a local service by this name, contact central dispatch by calling `postMessage` on self
var provider = this.services[service];
return {
provider: provider || self,
isRemote: !provider
};
}
/**
* Handle a call message sent to the dispatch service itself
* @override
* @param {Worker} worker - the worker which sent the message.
* @param {DispatchCallMessage} message - the message to be handled.
* @returns {Promise|undefined} - a promise for the results of this operation, if appropriate
* @protected
*/
}, {
key: "_onDispatchMessage",
value: function _onDispatchMessage(worker, message) {
var promise;
switch (message.method) {
case 'handshake':
promise = this._onConnect();
break;
case 'terminate':
// Don't close until next tick, after sending confirmation back
setTimeout(function () {
return self.close();
}, 0);
promise = Promise.resolve();
break;
default:
log.error("Worker dispatch received message for unknown method: ".concat(message.method));
}
return promise;
}
}]);
return WorkerDispatch;
}(SharedDispatch);
module.exports = new WorkerDispatch();
/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {
function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
var log = __webpack_require__(1);
/**
* @typedef {object} DispatchCallMessage - a message to the dispatch system representing a service method call
* @property {*} responseId - send a response message with this response ID. See {@link DispatchResponseMessage}
* @property {string} service - the name of the service to be called
* @property {string} method - the name of the method to be called
* @property {Array|undefined} args - the arguments to be passed to the method
*/
/**
* @typedef {object} DispatchResponseMessage - a message to the dispatch system representing the results of a call
* @property {*} responseId - a copy of the response ID from the call which generated this response
* @property {*|undefined} error - if this is truthy, then it contains results from a failed call (such as an exception)
* @property {*|undefined} result - if error is not truthy, then this contains the return value of the call (if any)
*/
/**
* @typedef {DispatchCallMessage|DispatchResponseMessage} DispatchMessage
* Any message to the dispatch system.
*/
/**
* The SharedDispatch class is responsible for dispatch features shared by
* {@link CentralDispatch} and {@link WorkerDispatch}.
*/
var SharedDispatch = /*#__PURE__*/function () {
function SharedDispatch() {
_classCallCheck(this, SharedDispatch);
/**
* List of callback registrations for promises waiting for a response from a call to a service on another
* worker. A callback registration is an array of [resolve,reject] Promise functions.
* Calls to local services don't enter this list.
* @type {Array.<Function[]>}
*/
this.callbacks = [];
/**
* The next response ID to be used.
* @type {int}
*/
this.nextResponseId = 0;
}
/**
* Call a particular method on a particular service, regardless of whether that service is provided locally or on
* a worker. If the service is provided by a worker, the `args` will be copied using the Structured Clone
* algorithm, except for any items which are also in the `transfer` list. Ownership of those items will be
* transferred to the worker, and they should not be used after this call.
* @example
* dispatcher.call('vm', 'setData', 'cat', 42);
* // this finds the worker for the 'vm' service, then on that worker calls:
* vm.setData('cat', 42);
* @param {string} service - the name of the service.
* @param {string} method - the name of the method.
* @param {*} [args] - the arguments to be copied to the method, if any.
* @returns {Promise} - a promise for the return value of the service method.
*/
_createClass(SharedDispatch, [{
key: "call",
value: function call(service, method) {
for (var _len = arguments.length, args = new Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
args[_key - 2] = arguments[_key];
}
return this.transferCall.apply(this, [service, method, null].concat(args));
}
/**
* Call a particular method on a particular service, regardless of whether that service is provided locally or on
* a worker. If the service is provided by a worker, the `args` will be copied using the Structured Clone
* algorithm, except for any items which are also in the `transfer` list. Ownership of those items will be
* transferred to the worker, and they should not be used after this call.
* @example
* dispatcher.transferCall('vm', 'setData', [myArrayBuffer], 'cat', myArrayBuffer);
* // this finds the worker for the 'vm' service, transfers `myArrayBuffer` to it, then on that worker calls:
* vm.setData('cat', myArrayBuffer);
* @param {string} service - the name of the service.
* @param {string} method - the name of the method.
* @param {Array} [transfer] - objects to be transferred instead of copied. Must be present in `args` to be useful.
* @param {*} [args] - the arguments to be copied to the method, if any.
* @returns {Promise} - a promise for the return value of the service method.
*/
}, {
key: "transferCall",
value: function transferCall(service, method, transfer) {
try {
var _this$_getServiceProv = this._getServiceProvider(service),
provider = _this$_getServiceProv.provider,
isRemote = _this$_getServiceProv.isRemote;
if (provider) {
for (var _len2 = arguments.length, args = new Array(_len2 > 3 ? _len2 - 3 : 0), _key2 = 3; _key2 < _len2; _key2++) {
args[_key2 - 3] = arguments[_key2];
}
if (isRemote) {
return this._remoteTransferCall.apply(this, [provider, service, method, transfer].concat(args));
}
var result = provider[method].apply(provider, args);
return Promise.resolve(result);
}
return Promise.reject(new Error("Service not found: ".concat(service)));
} catch (e) {
return Promise.reject(e);
}
}
/**
* Check if a particular service lives on another worker.
* @param {string} service - the service to check.
* @returns {boolean} - true if the service is remote (calls must cross a Worker boundary), false otherwise.
* @private
*/
}, {
key: "_isRemoteService",
value: function _isRemoteService(service) {
return this._getServiceProvider(service).isRemote;
}
/**
* Like {@link call}, but force the call to be posted through a particular communication channel.
* @param {object} provider - send the call through this object's `postMessage` function.
* @param {string} service - the name of the service.
* @param {string} method - the name of the method.
* @param {*} [args] - the arguments to be copied to the method, if any.
* @returns {Promise} - a promise for the return value of the service method.
*/
}, {
key: "_remoteCall",
value: function _remoteCall(provider, service, method) {
for (var _len3 = arguments.length, args = new Array(_len3 > 3 ? _len3 - 3 : 0), _key3 = 3; _key3 < _len3; _key3++) {
args[_key3 - 3] = arguments[_key3];
}
return this._remoteTransferCall.apply(this, [provider, service, method, null].concat(args));
}
/**
* Like {@link transferCall}, but force the call to be posted through a particular communication channel.
* @param {object} provider - send the call through this object's `postMessage` function.
* @param {string} service - the name of the service.
* @param {string} method - the name of the method.
* @param {Array} [transfer] - objects to be transferred instead of copied. Must be present in `args` to be useful.
* @param {*} [args] - the arguments to be copied to the method, if any.
* @returns {Promise} - a promise for the return value of the service method.
*/
}, {
key: "_remoteTransferCall",
value: function _remoteTransferCall(provider, service, method, transfer) {
var _this = this;
for (var _len4 = arguments.length, args = new Array(_len4 > 4 ? _len4 - 4 : 0), _key4 = 4; _key4 < _len4; _key4++) {
args[_key4 - 4] = arguments[_key4];
}
return new Promise(function (resolve, reject) {
var responseId = _this._storeCallbacks(resolve, reject);
/** @TODO: remove this hack! this is just here so we don't try to send `util` to a worker */
if (args.length > 0 && typeof args[args.length - 1].yield === 'function') {
args.pop();
}
if (transfer) {
provider.postMessage({
service: service,
method: method,
responseId: responseId,
args: args
}, transfer);
} else {
provider.postMessage({
service: service,
method: method,
responseId: responseId,
args: args
});
}
});
}
/**
* Store callback functions pending a response message.
* @param {Function} resolve - function to call if the service method returns.
* @param {Function} reject - function to call if the service method throws.
* @returns {*} - a unique response ID for this set of callbacks. See {@link _deliverResponse}.
* @protected
*/
}, {
key: "_storeCallbacks",
value: function _storeCallbacks(resolve, reject) {
var responseId = this.nextResponseId++;
this.callbacks[responseId] = [resolve, reject];
return responseId;
}
/**
* Deliver call response from a worker. This should only be called as the result of a message from a worker.
* @param {int} responseId - the response ID of the callback set to call.
* @param {DispatchResponseMessage} message - the message containing the response value(s).
* @protected
*/
}, {
key: "_deliverResponse",
value: function _deliverResponse(responseId, message) {
try {
var _this$callbacks$respo = _slicedToArray(this.callbacks[responseId], 2),
resolve = _this$callbacks$respo[0],
reject = _this$callbacks$respo[1];
delete this.callbacks[responseId];
if (message.error) {
reject(message.error);
} else {
resolve(message.result);
}
} catch (e) {
log.error("Dispatch callback failed: ".concat(JSON.stringify(e)));
}
}
/**
* Handle a message event received from a connected worker.
* @param {Worker} worker - the worker which sent the message, or the global object if running in a worker.
* @param {MessageEvent} event - the message event to be handled.
* @protected
*/
}, {
key: "_onMessage",
value: function _onMessage(worker, event) {
/** @type {DispatchMessage} */
var message = event.data;
message.args = message.args || [];
var promise;
if (message.service) {
if (message.service === 'dispatch') {
promise = this._onDispatchMessage(worker, message);
} else {
promise = this.call.apply(this, [message.service, message.method].concat(_toConsumableArray(message.args)));
}
} else if (typeof message.responseId === 'undefined') {
log.error("Dispatch caught malformed message from a worker: ".concat(JSON.stringify(event)));
} else {
this._deliverResponse(message.responseId, message);
}
if (promise) {
if (typeof message.responseId === 'undefined') {
log.error("Dispatch message missing required response ID: ".concat(JSON.stringify(event)));
} else {
promise.then(function (result) {
return worker.postMessage({
responseId: message.responseId,
result: result
});
}, function (error) {
return worker.postMessage({
responseId: message.responseId,
error: error
});
});
}
}
}
/**
* Fetch the service provider object for a particular service name.
* @abstract
* @param {string} service - the name of the service to look up
* @returns {{provider:(object|Worker), isRemote:boolean}} - the means to contact the service, if found
* @protected
*/
}, {
key: "_getServiceProvider",
value: function _getServiceProvider(service) {
throw new Error("Could not get provider for ".concat(service, ": _getServiceProvider not implemented"));
}
/**
* Handle a call message sent to the dispatch service itself
* @abstract
* @param {Worker} worker - the worker which sent the message.
* @param {DispatchCallMessage} message - the message to be handled.
* @returns {Promise|undefined} - a promise for the results of this operation, if appropriate
* @private
*/
}, {
key: "_onDispatchMessage",
value: function _onDispatchMessage(worker, message) {
throw new Error("Unimplemented dispatch message handler cannot handle ".concat(message.method, " method"));
}
}]);
return SharedDispatch;
}();
module.exports = SharedDispatch;
/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {
var Minilog = __webpack_require__(10);
var oldEnable = Minilog.enable,
oldDisable = Minilog.disable,
isChrome = (typeof navigator != 'undefined' && /chrome/i.test(navigator.userAgent)),
console = __webpack_require__(13);
// Use a more capable logging backend if on Chrome
Minilog.defaultBackend = (isChrome ? console.minilog : console);
// apply enable inputs from localStorage and from the URL
if(typeof window != 'undefined') {
try {
Minilog.enable(JSON.parse(window.localStorage['minilogSettings']));
} catch(e) {}
if(window.location && window.location.search) {
var match = RegExp('[?&]minilog=([^&]*)').exec(window.location.search);
match && Minilog.enable(decodeURIComponent(match[1]));
}
}
// Make enable also add to localStorage
Minilog.enable = function() {
oldEnable.call(Minilog, true);
try { window.localStorage['minilogSettings'] = JSON.stringify(true); } catch(e) {}
return this;
};
Minilog.disable = function() {
oldDisable.call(Minilog);
try { delete window.localStorage.minilogSettings; } catch(e) {}
return this;
};
exports = module.exports = Minilog;
exports.backends = {
array: __webpack_require__(16),
browser: Minilog.defaultBackend,
localStorage: __webpack_require__(17),
jQuery: __webpack_require__(18)
};
/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {
var Transform = __webpack_require__(0),
Filter = __webpack_require__(12);
var log = new Transform(),
slice = Array.prototype.slice;
exports = module.exports = function create(name) {
var o = function() { log.write(name, undefined, slice.call(arguments)); return o; };
o.debug = function() { log.write(name, 'debug', slice.call(arguments)); return o; };
o.info = function() { log.write(name, 'info', slice.call(arguments)); return o; };