@difizen/mana-common
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JavaScript
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
var _Symbol$iterator;
function _get() { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get.bind(); } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(arguments.length < 3 ? target : receiver); } return desc.value; }; } return _get.apply(this, arguments); }
function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
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 } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : 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; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } 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.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
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Object.setPrototypeOf(t, GeneratorFunctionPrototype) : (t.__proto__ = GeneratorFunctionPrototype, define(t, u, "GeneratorFunction")), t.prototype = Object.create(g), t; }, e.awrap = function (t) { return { __await: t }; }, defineIteratorMethods(AsyncIterator.prototype), define(AsyncIterator.prototype, c, function () { return this; }), e.AsyncIterator = AsyncIterator, e.async = function (t, r, n, o, i) { void 0 === i && (i = Promise); var a = new AsyncIterator(wrap(t, r, n, o), i); return e.isGeneratorFunction(r) ? a : a.next().then(function (t) { return t.done ? t.value : a.next(); }); }, defineIteratorMethods(g), define(g, u, "Generator"), define(g, a, function () { return this; }), define(g, "toString", function () { return "[object Generator]"; }), e.keys = function (t) { var e = Object(t), r = []; for (var n in e) r.push(n); return r.reverse(), function next() { for (; r.length;) { var t = r.pop(); if (t in e) return next.value = t, next.done = !1, next; } return next.done = !0, next; }; }, e.values = values, Context.prototype = { constructor: Context, reset: function reset(e) { if (this.prev = 0, this.next = 0, this.sent = this._sent = t, this.done = !1, this.delegate = null, this.method = "next", this.arg = t, this.tryEntries.forEach(resetTryEntry), !e) for (var r in this) "t" === r.charAt(0) && n.call(this, r) && !isNaN(+r.slice(1)) && (this[r] = t); }, stop: function stop() { this.done = !0; var t = this.tryEntries[0].completion; if ("throw" === t.type) throw t.arg; return this.rval; }, dispatchException: function dispatchException(e) { if (this.done) throw e; var r = this; function handle(n, o) { return a.type = "throw", a.arg = e, r.next = n, o && (r.method = "next", r.arg = t), !!o; } for (var o = this.tryEntries.length - 1; o >= 0; --o) { var i = this.tryEntries[o], a = i.completion; if ("root" === i.tryLoc) return handle("end"); if (i.tryLoc <= this.prev) { var c = n.call(i, "catchLoc"), u = n.call(i, "finallyLoc"); if (c && u) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } else if (c) { if (this.prev < i.catchLoc) return handle(i.catchLoc, !0); } else { if (!u) throw new Error("try statement without catch or finally"); if (this.prev < i.finallyLoc) return handle(i.finallyLoc); } } } }, abrupt: function abrupt(t, e) { for (var r = this.tryEntries.length - 1; r >= 0; --r) { var o = this.tryEntries[r]; if (o.tryLoc <= this.prev && n.call(o, "finallyLoc") && this.prev < o.finallyLoc) { var i = o; break; } } i && ("break" === t || "continue" === t) && i.tryLoc <= e && e <= i.finallyLoc && (i = null); var a = i ? i.completion : {}; return a.type = t, a.arg = e, i ? 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function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function (_e) { function e(_x2) { return _e.apply(this, arguments); } e.toString = function () { return _e.toString(); }; return e; }(function (e) { throw e; }), f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function (_e2) { function e(_x3) { return _e2.apply(this, arguments); } e.toString = function () { return _e2.toString(); }; return e; }(function (e) { didErr = true; err = e; }), f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
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 _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, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import { Disposable } from "./disposable";
import { LinkedList } from "./linkedList";
import { noop } from "./utils";
/**
* Represents a typed event.
*/
export var Event;
(function (_Event) {
var None = _Event.None = function () {
return Disposable.NONE;
};
function map(event, mapFunc) {
return function (listener, context) {
return event(function (i) {
return listener.call(context, mapFunc(i));
}, undefined);
};
}
_Event.map = map;
})(Event || (Event = {}));
_Symbol$iterator = Symbol.iterator;
export var CallbackList = /*#__PURE__*/function () {
function CallbackList() {
_classCallCheck(this, CallbackList);
_defineProperty(this, "_callbacks", void 0);
}
_createClass(CallbackList, [{
key: "length",
get: function get() {
return this._callbacks && this._callbacks.length || 0;
}
}, {
key: "add",
value: function add(callback) {
var context = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
if (!this._callbacks) {
this._callbacks = [];
}
this._callbacks.push([callback, context]);
}
}, {
key: "remove",
value: function remove(callback) {
var context = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : undefined;
if (!this._callbacks) {
return;
}
var foundCallbackWithDifferentContext = false;
for (var _i = 0; _i < this._callbacks.length; _i += 1) {
if (this._callbacks[_i][0] === callback) {
if (this._callbacks[_i][1] === context) {
// remove when callback & context match
this._callbacks.splice(_i, 1);
return;
}
foundCallbackWithDifferentContext = true;
}
}
if (foundCallbackWithDifferentContext) {
throw new Error('You should remove it with the same context you add it');
}
}
// tslint:disable-next-line:typedef
}, {
key: _Symbol$iterator,
value: function value() {
if (!this._callbacks) {
return [][Symbol.iterator]();
}
var callbacks = this._callbacks.slice(0);
return callbacks.map(function (callback) {
return function () {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return callback[0].apply(callback[1], args);
};
})[Symbol.iterator]();
}
}, {
key: "invoke",
value: function invoke() {
var ret = [];
var _iterator = _createForOfIteratorHelper(this),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var callback = _step.value;
try {
ret.push(callback.apply(void 0, arguments));
} catch (e) {
console.error(e);
}
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
return ret;
}
}, {
key: "isEmpty",
value: function isEmpty() {
return !this._callbacks || this._callbacks.length === 0;
}
}, {
key: "dispose",
value: function dispose() {
this._callbacks = undefined;
}
}]);
return CallbackList;
}();
export var Emitter = /*#__PURE__*/function () {
function Emitter(_options) {
_classCallCheck(this, Emitter);
_defineProperty(this, "_event", void 0);
_defineProperty(this, "_callbacks", void 0);
_defineProperty(this, "_disposed", false);
_defineProperty(this, "_options", void 0);
this._options = _options;
}
/**
* For the public to allow to subscribe
* to events from this Emitter
*/
_createClass(Emitter, [{
key: "event",
get: function get() {
var _this = this;
if (!this._event) {
this._event = function (listener, thisArgs, disposables) {
if (!_this._callbacks) {
_this._callbacks = new CallbackList();
}
if (_this._options && _this._options.onFirstListenerAdd && _this._callbacks.isEmpty()) {
_this._options.onFirstListenerAdd(_this);
}
_this._callbacks.add(listener, thisArgs);
var result = {
dispose: function dispose() {
result.dispose = noop;
if (!_this._disposed) {
_this._callbacks.remove(listener, thisArgs);
result.dispose = noop;
if (_this._options && _this._options.onLastListenerRemove && _this._callbacks.isEmpty()) {
_this._options.onLastListenerRemove(_this);
}
}
}
};
if (Array.isArray(disposables)) {
disposables.push(result);
}
return result;
};
}
return this._event;
}
/**
* To be kept protected to fire an event to
* subscribers
*/
}, {
key: "fire",
value: function fire(event) {
if (this._callbacks) {
this._callbacks.invoke(event);
}
}
/**
* Process each listener one by one.
* Return `false` to stop iterating over the listeners, `true` to continue.
*/
}, {
key: "sequence",
value: (function () {
var _sequence = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(processor) {
var _iterator2, _step2, _listener, result;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
if (!this._callbacks) {
_context.next = 21;
break;
}
_iterator2 = _createForOfIteratorHelper(this._callbacks);
_context.prev = 2;
_iterator2.s();
case 4:
if ((_step2 = _iterator2.n()).done) {
_context.next = 13;
break;
}
_listener = _step2.value;
_context.next = 8;
return processor(_listener);
case 8:
result = _context.sent;
if (result) {
_context.next = 11;
break;
}
return _context.abrupt("break", 13);
case 11:
_context.next = 4;
break;
case 13:
_context.next = 18;
break;
case 15:
_context.prev = 15;
_context.t0 = _context["catch"](2);
_iterator2.e(_context.t0);
case 18:
_context.prev = 18;
_iterator2.f();
return _context.finish(18);
case 21:
case "end":
return _context.stop();
}
}, _callee, this, [[2, 15, 18, 21]]);
}));
function sequence(_x) {
return _sequence.apply(this, arguments);
}
return sequence;
}())
}, {
key: "dispose",
value: function dispose() {
if (this._callbacks) {
this._callbacks.dispose();
this._callbacks = undefined;
}
this._disposed = true;
}
}]);
return Emitter;
}();
export var PauseableEmitter = /*#__PURE__*/function (_Emitter) {
_inherits(PauseableEmitter, _Emitter);
var _super = _createSuper(PauseableEmitter);
function PauseableEmitter(options) {
var _this2;
_classCallCheck(this, PauseableEmitter);
_this2 = _super.call(this, options);
_defineProperty(_assertThisInitialized(_this2), "_isPaused", 0);
_defineProperty(_assertThisInitialized(_this2), "_eventQueue", new LinkedList());
_defineProperty(_assertThisInitialized(_this2), "_mergeFn", void 0);
_defineProperty(_assertThisInitialized(_this2), "_listeners", void 0);
_this2._mergeFn = options === null || options === void 0 ? void 0 : options.merge;
return _this2;
}
_createClass(PauseableEmitter, [{
key: "pause",
value: function pause() {
this._isPaused++;
}
}, {
key: "resume",
value: function resume() {
if (this._isPaused !== 0 && --this._isPaused === 0) {
if (this._mergeFn) {
// use the merge function to create a single composite
// event. make a copy in case firing pauses this emitter
var events = Array.from(this._eventQueue);
this._eventQueue.clear();
_get(_getPrototypeOf(PauseableEmitter.prototype), "fire", this).call(this, this._mergeFn(events));
} else {
// no merging, fire each event individually and test
// that this emitter isn't paused halfway through
while (!this._isPaused && this._eventQueue.size !== 0) {
_get(_getPrototypeOf(PauseableEmitter.prototype), "fire", this).call(this, this._eventQueue.shift());
}
}
}
}
}, {
key: "fire",
value: function fire(event) {
if (this._listeners) {
if (this._isPaused !== 0) {
this._eventQueue.push(event);
} else {
_get(_getPrototypeOf(PauseableEmitter.prototype), "fire", this).call(this, event);
}
}
}
}]);
return PauseableEmitter;
}(Emitter);