@difizen/mana-observable
Version:
171 lines (169 loc) • 12.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.AsyncEmitter = exports.AsyncCallbackList = void 0;
var _manaCommon = require("@difizen/mana-common");
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); }
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 _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 _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
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(_x) { 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(_x2) { 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 _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); }
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); }
var AsyncCallbackList = exports.AsyncCallbackList = /*#__PURE__*/function (_CallbackList) {
_inherits(AsyncCallbackList, _CallbackList);
var _super = _createSuper(AsyncCallbackList);
function AsyncCallbackList() {
var _this;
_classCallCheck(this, AsyncCallbackList);
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this = _super.call.apply(_super, [this].concat(args));
_defineProperty(_assertThisInitialized(_this), "called", undefined);
return _this;
}
_createClass(AsyncCallbackList, [{
key: "invoke",
value: function invoke() {
var _this$_callbacks,
_this2 = this;
for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
args[_key2] = arguments[_key2];
}
var ret = [];
if (!this._callbacks) {
return [];
}
if (!this.called) {
this.called = [];
}
var callbacks = (_this$_callbacks = this._callbacks) === null || _this$_callbacks === void 0 ? void 0 : _this$_callbacks.slice(0);
var _iterator = _createForOfIteratorHelper(callbacks),
_step;
try {
var _loop = function _loop() {
var _step$value = _slicedToArray(_step.value, 2),
callback = _step$value[0],
ctx = _step$value[1];
try {
var promise;
if (!_this2.called.includes(callback)) {
_this2.called.push(callback);
promise = Promise.resolve().then(function () {
callback.apply(ctx, args);
_this2.called = undefined;
return;
});
}
ret.push(promise);
} catch (e) {
console.error(e);
}
};
for (_iterator.s(); !(_step = _iterator.n()).done;) {
_loop();
}
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
return ret;
}
}]);
return AsyncCallbackList;
}(_manaCommon.CallbackList);
var AsyncEmitter = exports.AsyncEmitter = /*#__PURE__*/function (_Emitter) {
_inherits(AsyncEmitter, _Emitter);
var _super2 = _createSuper(AsyncEmitter);
function AsyncEmitter() {
var _this3;
_classCallCheck(this, AsyncEmitter);
for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
args[_key3] = arguments[_key3];
}
_this3 = _super2.call.apply(_super2, [this].concat(args));
_defineProperty(_assertThisInitialized(_this3), "_asyncCallbacks", void 0);
_defineProperty(_assertThisInitialized(_this3), "_eventAsync", void 0);
return _this3;
}
_createClass(AsyncEmitter, [{
key: "eventAsync",
get:
/**
* For the public to allow to subscribe
* to events from this Emitter
*/
function get() {
var _this4 = this;
if (!this._eventAsync) {
this._eventAsync = function (listener, context) {
var callbacks = function callbacks() {
if (!_this4._asyncCallbacks) {
_this4._asyncCallbacks = new AsyncCallbackList();
}
return _this4._asyncCallbacks;
};
var callbackList = callbacks();
if (_this4._options && _this4._options.onFirstListenerAdd && callbackList.isEmpty()) {
_this4._options.onFirstListenerAdd(_this4);
}
callbackList.add(listener, context);
var result = {
dispose: function dispose() {
result.dispose = _manaCommon.noop;
if (!_this4._disposed) {
callbacks().remove(listener, context);
result.dispose = _manaCommon.noop;
if (_this4._options && _this4._options.onLastListenerRemove && callbacks().isEmpty()) {
_this4._options.onLastListenerRemove(_this4);
}
}
}
};
return result;
};
}
return this._eventAsync;
}
/**
* fire an event to subscribers
*/
}, {
key: "fire",
value: function fire(event) {
_get(_getPrototypeOf(AsyncEmitter.prototype), "fire", this).call(this, event);
if (this._asyncCallbacks) {
this._asyncCallbacks.invoke(event);
}
}
}, {
key: "dispose",
value: function dispose() {
if (this._asyncCallbacks) {
this._asyncCallbacks.dispose();
this._asyncCallbacks = undefined;
}
_get(_getPrototypeOf(AsyncEmitter.prototype), "dispose", this).call(this);
}
}]);
return AsyncEmitter;
}(_manaCommon.Emitter);