From 55c747dab4a0db126baa9693b57836963b4b334d Mon Sep 17 00:00:00 2001
From: Kingcean Tuan <kingcean@live.com>
Date: Tue, 15 Sep 2020 22:36:05 +0800
Subject: [PATCH] Optimize value controller.

---
 dist/index.d.ts     | 13 +++++++++++-
 dist/index.js       |  4 ++--
 package-lock.json   | 52 ++++++++++++++-------------------------------
 package.json        |  4 ++--
 src/objects.ts      |  2 ++
 src/values.ts       | 24 ++++++++++++++++++++-
 test/dist/engine.js |  1 +
 7 files changed, 58 insertions(+), 42 deletions(-)

diff --git a/dist/index.d.ts b/dist/index.d.ts
index f01a882..3165a6f 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -1352,12 +1352,13 @@ declare namespace DataSense {
      */
     class ValueClient<T> extends ValueObservable<T> {
         private readonly _setter;
+        private readonly _forceUpdate;
         private readonly _sendNotify;
         private readonly _registerRequestHandler;
         /**
          * Initializes a new instance of the ValueClient class.
          */
-        constructor(defaultValue: T, modifier: (setter: ValueModifierContract<T>) => void, setter: (value: T, message?: FireInfoContract | string) => ChangedInfo<T>, sendNotify: (data: any, message?: FireInfoContract | string) => void, registerRequestHandler: (type: string, h: (owner: SimpleValueAccessorContract<T>, value: any) => void) => boolean, additionalEvents: ValueFurtherEventsContract);
+        constructor(defaultValue: T, modifier: (setter: ValueModifierContract<T>) => void, setter: (value: T, message?: FireInfoContract | string) => ChangedInfo<T>, sendNotify: (data: any, message?: FireInfoContract | string) => void, registerRequestHandler: (type: string, h: (owner: SimpleValueAccessorContract<T>, value: any) => void) => boolean, additionalEvents: ValueFurtherEventsContract, forceUpdate?: (message?: FireInfoContract | string) => void);
         /**
          * Sets value.
          * @param value  The value of the property to set.
@@ -1384,6 +1385,11 @@ declare namespace DataSense {
          * @param callbackfn  A function will be called on subscribed.
          */
         setSubscribe(value: SubscriberContract<T>, message?: FireInfoContract | string, callbackfn?: (ev: ChangedInfo<T>, message: FireInfoContract) => void, thisArg?: any): SubscriberResultContract;
+        /**
+         * Forces to notify the update event.
+         * @param message  A message for the setting event.
+         */
+        forceUpdate(message?: FireInfoContract | string): void;
         /**
          * Send a notification.
          * @param data  The data.
@@ -1449,6 +1455,11 @@ declare namespace DataSense {
          * @param callbackfn  A function will be called on subscribed.
          */
         setSubscribe(value: SubscriberContract<T>, message?: FireInfoContract | string, callbackfn?: (ev: ChangedInfo<T>, message: FireInfoContract) => void, thisArg?: any): SubscriberResultContract;
+        /**
+         * Forces to notify the update event.
+         * @param message  A message for the setting event.
+         */
+        forceUpdate(message?: FireInfoContract | string): void;
         /**
          * Registers a handler to respond the request message.
          * @param type  The request type.
diff --git a/dist/index.js b/dist/index.js
index e1a2dc5..758920d 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1,2 +1,2 @@
-// datasense
-var DataSense,__spreadArrays=this&&this.__spreadArrays||function(){for(var e=0,t=0,n=arguments.length;t<n;t++)e+=arguments[t].length;var r=Array(e),o=0;for(t=0;t<n;t++)for(var s=arguments[t],i=0,a=s.length;i<a;i++,o++)r[o]=s[i];return r},__extends=this&&this.__extends||function(){var r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])})(e,t)};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}(),__assign=this&&this.__assign||function(){return(__assign=Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e}).apply(this,arguments)};!function(_){var e;(e=_.Access||(_.Access={})).setPromise=function(t,e,n,r){return void 0===e?Promise.reject("value is undefined"):"function"!=typeof 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r.setOptions({span:t,maxCount:1}),r.pushHandler(e),n||r.process(),r},l.debounce=function(e,t,n){var r=new l;return r.setOptions({delay:t,mergeMode:"debounce"}),r.pushHandler(e),n||r.process(),r},l.mono=function(e,t,n){var r=new l;return r.setOptions({delay:t,mergeMode:"mono"}),r.pushHandler(e),n||r.process(),r},l.multiHit=function(e,t,n,r,o){var s=new l;return s.setOptions({minCount:t,maxCount:n,span:r}),s.pushHandler(e),o||s.process(),s},l.schedule=function(t,r){function n(){a&&a.dispose(),a=null,i&&(clearInterval(i),i=null)}function o(e){u=new Date,t({startDate:c,latestStopDate:p,processDate:u,latestProcessDate:f,span:r,source:e}),f=new Date}function s(e,t){n(),a=l.delay(function(){a=null,o(t),i=setInterval(function(){o("schedule")},r)},e)}var i,a,c,u,p,f;return{start:function(e){var t=!1,n=e?"plan":"start";"number"==typeof e?t=e:!0===e&&(t=r),s(t,n)},process:function(){o("immediate")},resume:function(e){i||a||s(e,"resume")},pause:function(){n(),p=new Date},stop:function(){n(),p=new Date},get alive(){return i||a}}},l);function l(){var r=this;this._options={},this._h=[];function o(t){s=null;var n=i;i=new Date,u<Number.MAX_SAFE_INTEGER&&u++,r._h.forEach(function(e){e(t,{initDate:c,processDate:i,latestProcessDate:n,count:u,hitCount:p})})}var s,i,a,c=new Date,u=0,p=0;this._abort=function(){s&&clearTimeout(s),s=null},this._proc=function(e){var t=new Date;p++;var n=r._options;if(n.span&&a&&!(t.getTime()-a.getTime()>n.span)||(p=1),a=new Date,!(null!=n.minCount&&p<n.minCount||null!=n.maxCount&&p>n.maxCount)){if(s)if("debounce"===n.mergeMode)clearTimeout(s);else if("mono"===n.mergeMode)return;null==n.delay||!1===n.delay?o(e):!0===n.delay?s=setTimeout(function(){o(e)},0):"number"==typeof n.delay&&(s=setTimeout(function(){o(e)},n.delay))}}}e.HitTask=t}(DataSense||(DataSense={})),function(p){var r=(f.prototype.pushDisposable=function(){for(var e,t=[],n=0;n<arguments.length;n++)t[n]=arguments[n];return(e=this._instance).pushDisposable.apply(e,t)},f.prototype.removeDisposable=function(){for(var e,t=[],n=0;n<arguments.length;n++)t[n]=arguments[n];return(e=this._instance).removeDisposable.apply(e,t)},f.prototype.get=function(){return this._instance.get()},f.prototype.getType=function(){return typeof this._instance.get()},f.prototype.instanceOf=function(e){return this._instance.get()instanceof e},f.prototype.registerChangeFlow=function(){for(var e,t=[],n=0;n<arguments.length;n++)t[n]=arguments[n];return(e=this._instance).pushFlows.apply(e,t)},f.prototype.clearChangeFlow=function(){return this._instance.clearFlows()},f.prototype.onChanging=function(e,t,n,r){return this.changing.on(e,t,n,r)},f.prototype.onChanged=function(e,t,n,r){return this.changed.on(e,t,n,r)},f.prototype.onChangeFailed=function(e,t,n,r){return this.changeFailed.on(e,t,n,r)},f.prototype.onBroadcastReceived=function(e,t,n,r){return this.broadcastReceived.on(e,t,n,r)},f.prototype.onNotifyReceived=function(e,t,n,r){return this.notifyReceived.on(e,t,n,r)},f.prototype.subscribe=function(e,t){return this.changed.subscribeWithConvertor(e,t,function(e){return e.value})},f.prototype.sendRequest=function(e,t){this._instance.sendRequest(e,t)},f.prototype.sendBroadcast=function(e,t){this._instance.sendBroadcast(e,t)},f.prototype.createObservable=function(){return new f(this)},f.prototype.dispose=function(){this._instance.dispose()},f.prototype.toJSON=function(){var e=this._instance.get();try{if(null!=e)return JSON.stringify(e)}catch(e){}return new String(e).toString()},f);function f(e){var n,r,o=new p.DisposableArray,s="value";if(e instanceof f&&e._instance)return this._instance=__assign(__assign({},e._instance),{pushDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return o.pushDisposable.apply(o,e)},removeDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return o.removeDisposable.apply(o,e)},dispose:function(){o.dispose()}}),this.changing=e.changing.createObservable(),this.changed=e.changed.createObservable(),this.changeFailed=e.changeFailed.createObservable(),this.broadcastReceived=e.broadcastReceived.createObservable(),this.notifyReceived=e.notifyReceived.createObservable(),this.pushDisposable(this.changing,this.changed,this.changeFailed,this.broadcastReceived,this.notifyReceived),void e.pushDisposable(this);var i=p.Access.propsAccessor();i.accessor.setFormatter(function(e,t){return"function"!=typeof n||e!==s?t:n(t)}),i.accessor.setValidator(function(e,t){return"function"!=typeof r||e!==s||r(t)}),this.changing=i.propChanging.createSingleObservable(s),this.changed=i.propChanged.createSingleObservable(s),this.changeFailed=i.propChangeFailed.createSingleObservable(s),this.broadcastReceived=i.propBroadcastReceived.createSingleObservable(s),this.notifyReceived=i.propNotifyReceived.createSingleObservable(s),o.pushDisposable(this.changing,this.changed,this.changeFailed,this.broadcastReceived,this.notifyReceived);var a={get:function(){return i.accessor.getProp(s)},set:function(e,t){return i.accessor.setProp(s,e,t)},forceUpdate:function(e){i.accessor.forceUpdateProp(s,e)}},c=function(e,t){i.sendPropRequest(s,e,t,a)},u=function(e,t){i.sendPropBroadcast(s,e,t)};if(this._instance={get:function(){return i.accessor.getProp(s)},pushFlows:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return i.pushFlows.apply(i,__spreadArrays([s],e))},clearFlows:function(){return i.clearFlows(s)},sendRequest:function(e,t){c(e,t)},sendBroadcast:function(e,t){u(e,t)},pushDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return o.pushDisposable.apply(o,e)},removeDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return o.removeDisposable.apply(o,e)},dispose:function(){o.dispose()}},"function"==typeof e){var t=e.additionalEvents;t&&(t.broadcastReceived instanceof p.SingleEventObservable&&(this.broadcastReceived=t.broadcastReceived,this.pushDisposable(this.broadcastReceived)),t.notifyReceived instanceof p.SingleEventObservable&&(this.notifyReceived=t.notifyReceived,this.pushDisposable(this.notifyReceived)),"function"==typeof t.sendRequest&&(c=t.sendRequest),"function"==typeof t.sendBroadcast&&(u=t.sendBroadcast)),e({get:function(){return i.accessor.getProp(s)},set:function(e,t){return i.accessor.setProp(s,e,t)},customizedSet:function(e,t){return i.accessor.customizedSetProp(s,e,t)},forceUpdate:function(e){i.accessor.forceUpdateProp(s,e)},getFormatter:function(){return n},setFormatter:function(e){n=e},getValidator:function(){return r},setValidator:function(e){r=e},getStore:function(e){return i.accessor.getPropStore(s,e)},setStore:function(e,t){i.accessor.setPropStore(s,e,t)},removeStore:function(){for(var e,t=[],n=0;n<arguments.length;n++)t[n]=arguments[n];(e=i.accessor).removePropStore.apply(e,__spreadArrays([s],t))},sendNotify:function(e,t){i.accessor.sendPropNotify(s,e,t)},registerRequestHandler:function(e,t){return i.accessor.registerPropRequestHandler(s,e,t)}})}}p.ValueObservable=r;var c,o=(__extends(e,c=r),e.prototype.set=function(e,t){if("function"!=typeof this._setter)return!1;var n=this._setter(e,t);return!!n&&n.success},e.prototype.setForDetails=function(e,t){return"function"!=typeof this._setter?p.ChangedInfo.fail(null,void 0,e,"not implemented"):this._setter(e,t)},e.prototype.setPromise=function(e,t,n){var r=this;return p.Access.setPromise(function(e,t){return r.setForDetails(e,t)},e,t,n)},e.prototype.setSubscribe=function(e,t,n,r){var o=this;return p.Access.setSubscribe(function(e,t){return o.setForDetails(e,t)},e,t,n,r)},e.prototype.sendNotify=function(e,t){this._sendNotify(e,t)},e.prototype.registerRequestHandler=function(e,t){return"function"==typeof this._registerRequestHandler&&this._registerRequestHandler(e,t)},e);function e(t,n,e,r,o,s){function i(e){e.set(t),n(e.customizedSet)}var a=this;return s&&(i.additionalEvents=s),a=c.call(this,i)||this,"function"==typeof e&&(a._setter=e),"function"==typeof r&&(a._sendNotify=r),"function"==typeof o&&(a._registerRequestHandler=o),a}p.ValueClient=o;var n,t=(__extends(s,n=r),Object.defineProperty(s.prototype,"formatter",{get:function(){return this._accessor.getFormatter()},set:function(e){this._accessor.setFormatter(e)},enumerable:!0,configurable:!0}),Object.defineProperty(s.prototype,"validator",{get:function(){return this._accessor.getValidator()},set:function(e){this._accessor.setValidator(e)},enumerable:!0,configurable:!0}),s.prototype.set=function(e,t){var n=this._accessor.set(e,t);return!!n&&n.success},s.prototype.setForDetails=function(e,t){return this._accessor.set(e,t)},s.prototype.setPromise=function(e,t,n){var r=this;return p.Access.setPromise(function(e,t){return r.setForDetails(e,t)},e,t,n)},s.prototype.setSubscribe=function(e,t,n,r){var o=this;return p.Access.setSubscribe(function(e,t){return o.setForDetails(e,t)},e,t,n,r)},s.prototype.registerRequestHandler=function(e,t){return this._accessor.registerRequestHandler(e,t)},s.prototype.observe=function(e,t,n){return e instanceof r?(this._observing=e.registerChangeFlow(this._accessor.customizedSet),t||this._accessor.customizedSet(e.get(),n).resolve(),this._observing):{sync:function(){},dispose:function(){}}},s.prototype.stopObserving=function(){var e=this._observing;e&&(delete this._observing,"function"==typeof e.dispose&&e.dispose())},s.prototype.syncFromObserved=function(e){var t=this._observing;return!(!t||"function"!=typeof t.sync||(t.sync(e),0))},s.prototype.isObserving=function(){return!!this._observing},s.prototype.createClient=function(){var e,n=this,t=new o(this.get(),function(r){e=n.onChanging(function(e,t){var n=r(e.valueRequest,t.message);e.observable&&(e.observable.onResolved(function(e){n.resolve(e)}),e.observable.onRejected(function(e){n.reject(e)}))})},function(e,t){return n.setForDetails(e,t)},this._accessor.sendNotify,this._accessor.registerRequestHandler,{broadcastReceived:this.broadcastReceived.createObservable(),notifyReceived:this.notifyReceived.createObservable(),sendRequest:function(e,t){n.sendRequest(e,t)},sendBroadcast:function(e,t){n.sendBroadcast(e,t)}});return t.pushDisposable(e),this.pushDisposable(t),t},s.prototype.sendNotify=function(e,t){this._accessor.sendNotify(e,t)},s);function s(){var t,e=this;return(e=n.call(this,function(e){return t=e})||this)._accessor=t,e}p.ValueController=t}(DataSense||(DataSense={}));
\ No newline at end of file
+// DataSense
+var DataSense,__spreadArrays=this&&this.__spreadArrays||function(){for(var e=0,t=0,n=arguments.length;t<n;t++)e+=arguments[t].length;var r=Array(e),o=0;for(t=0;t<n;t++)for(var s=arguments[t],i=0,a=s.length;i<a;i++,o++)r[o]=s[i];return r},__extends=this&&this.__extends||function(){var r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n])})(e,t)};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}(),__assign=this&&this.__assign||function(){return(__assign=Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e}).apply(this,arguments)};!function(_){var e;(e=_.Access||(_.Access={})).setPromise=function(t,e,n,r){return void 0===e?Promise.reject("value is undefined"):"function"!=typeof e.then?n?(t(e),Promise.resolve(e)):Promise.reject("value is not a Promise object"):e.then(function(e){return t(e,r),e})},e.setSubscribe=function(r,e,o,s,i){var a="function"==typeof s;return e.subscribe(function(e){var t=r(e,o);if(a){var n="string"==typeof o?{message:o}:o||{};s.call(i,t,n)}})},e.propsAccessor=function(){function h(e){return r.hasOwnProperty(e)&&r[e].hasOwnProperty("value")}function v(e,t){if(e&&"string"==typeof e){var n=r[e];return n||(n={handlers:[],store:{},flows:[],factory:{}},t&&(r[e]=n)),n}}function s(e,t,n,r,o){var s=v(e,!0);if(!s)return o?new _.ChangedInfo(null,"invalid",!1,void 0,void 0,t,"key is not valid"):void 0;if(r&&s.hasOwnProperty("value"))return o?_.ChangedInfo.fail(e,s.value,t,"ignore"):void 0;if(s.updating){if(!s.updating.custom&&s.updating.value===t)return o?_.ChangedInfo.fail(e,s.value,t,"duplicated"):void 0;s.updating.cancel("duplicated")}var i=new _.OnceController,a=s.updating={value:t,cancel:function(e){i.reject(e)}},c=h(e),u=s.value;b.fire("ing-"+e,new _.ChangingInfo(e,u,t,i.createObservable())),b.fire("prop-changing",new _.ChangingInfo(e,u,t,i.createObservable()));var p=s.flows.map(function(e){if("function"==typeof e)return e(t,n)}),f=t;if("function"==typeof y&&(t=y(e,t)),"function"==typeof g&&!g(e,t)){if(a!==s.updating)return i.reject("expired"),o?_.ChangedInfo.fail(e,s.value,t,"expired"):void 0;var l=_.ChangedInfo.fail(e,u,t,"invalid");return i.reject("invalid"),b.fire("err-"+e,l),b.fire("prop-failed",l),p.forEach(function(e){e&&"function"==typeof e.reject&&e.reject("invalid")}),l}if(a!==s.updating)return i.reject("expired"),o?_.ChangedInfo.fail(e,s.value,t,"expired"):void 0;if(s.updating=null,s.value=t,i.resolve(t),u===t)return _.ChangedInfo.success(e,t,u,c?null:"add",f);var d=_.ChangedInfo.success(e,t,u,c?null:"add",f);return b.fire("ed-"+e,d),b.fire("prop-changed",d),p.forEach(function(e){e&&"function"==typeof e.resolve&&e.resolve(t)}),d}function i(e,a){if(!e)return[];if("string"==typeof e&&(e=[e]),!(e instanceof Array))return[];var c=[];return e.forEach(function(e){var t=v(e,!1);if(t&&h(e)){var n=t.value,r=new _.OnceController,o=t.updating={value:void 0,cancel:function(e){r.reject(e)}};b.fire("ing-"+e,new _.ChangingInfo(e,n,void 0,r.createObservable())),b.fire("prop-changing",new _.ChangingInfo(e,n,void 0,r.createObservable()));var s=t.flows.map(function(e){if("function"==typeof e)return e(void 0,a)});if(o!==t.updating)return r.reject("expired"),_.ChangedInfo.fail(e,t.value,void 0,"expired");t.updating=null,delete t.value;var i=_.ChangedInfo.success(e,void 0,n);c.push(i),r.resolve(void 0),void 0!==n&&(b.fire("ed-"+e,i),b.fire("prop-changed",i),s.forEach(function(e){e&&"function"==typeof e.resolve&&("function"==typeof e.remove?e.remove():e.resolve(void 0))}))}}),c}var y,g,r={},b=new _.EventController,o={},a={hasProp:function(e){return h(e)},getProp:function(e){var t=v(e,!1);return t?t.value:void 0},setProp:function(e,t,n){var r=s(e,t,n,!1,!0);return r&&b.fire("batch-changed",{changed:r},n),r},customizedSetProp:function(n,r,t){var o,s=v(n,!0);if(!s)return{isAborted:!0,resolve:function(e){},reject:function(e){}};if(s.updating){if(s.updating.value===r)return{isAborted:!0,resolve:function(e){},reject:function(e){}};s.updating.cancel("expired")}var i,a=h(n),c=s.value,u=new _.OnceController,p=s.updating={value:r,custom:!0,cancel:function(e){i.isAborted=!0,u.reject(e)}};return b.fire("ing-"+n,new _.ChangingInfo(n,c,r,u.createObservable())),b.fire("prop-changing",new _.ChangingInfo(n,c,r,u.createObservable())),o=s.flows.map(function(e){if("function"==typeof e)return e(r,t)}),i={resolve:function(t){if(p===s.updating){if(0===arguments.length&&(t=r),s.updating=null,u.resolve(t),c===t)return _.ChangedInfo.success(n,t,c,a?null:"add",r);s.value=t;var e=_.ChangedInfo.success(n,t,c,a?null:"add",r);return b.fire("ed-"+n,e),b.fire("prop-changed",e),o.forEach(function(e){e&&"function"==typeof e.resolve&&e.resolve(t)}),e}},reject:function(e){if(p===s.updating){s.updating=null,i.isAborted=!0;var t=_.ChangedInfo.fail(n,c,r,"invalid");u.reject("invalid"),b.fire("err-"+n,t),b.fire("prop-failed",t),o.forEach(function(e){e&&"function"==typeof e.reject&&e.reject("invalid")})}},remove:function(){if(p===s.updating&&(s.updating=null,a)){if(u.resolve(void 0),void 0===c)return _.ChangedInfo.success(n,void 0,c,"remove",r);delete s.value;var e=_.ChangedInfo.success(n,void 0,c,"remove",r);return b.fire("ed-"+n,e),b.fire("prop-changed",e),o.forEach(function(e){e&&"function"==typeof e.resolve&&e.resolve(void 0)}),e}}}},removeProp:function(e,t){var n=i(e,t);return n.length&&b.fire("batch-changed",{changed:n}),n.length},batchProp:function(e,r){if(e){function o(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];_.ChangedInfo.push.apply(_.ChangedInfo,__spreadArrays([n],e))}function t(e){if(e)for(var t in e)if(t&&"string"==typeof t&&e.hasOwnProperty(t)){var n=s(t,e[t],r);o(n)}}var n=[];e instanceof Array?(e.forEach(function(e){if(e&&e.action)switch(e.action){case"delete":o.apply(void 0,i(e.key,r));break;case"batch":t(e.value);break;case"set":o(s(e.key,e.value,r));break;case"init":o(s(e.key,e.value,r,!0))}}),n.length&&b.fire("batch-changed",{changed:n})):t(e)}},forceUpdateProp:function(e,t){var n=v(e,!1);if(n){var r=new _.OnceController;b.fire("ing-"+e,new _.ChangingInfo(e,n.value,n.value,r.createObservable()),t),b.fire("prop-changing",new _.ChangingInfo(e,n.value,n.value,r.createObservable()),t),r.resolve(n.value);var o=_.ChangedInfo.success(e,n.value,n.value);b.fire("ed-"+e,o,t),b.fire("prop-changed",o,t)}},getPropKeys:function(){return Object.keys(r).filter(function(e){return!!r[e]&&r[e].hasOwnProperty("value")})},getFormatter:function(){return y},setFormatter:function(e){y=e},getValidator:function(){return g},setValidator:function(e){g=e},getPropStore:function(e,t){return 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r.accessor.removeProp(e,t)},batchProp:function(e,t){return r.accessor.batchProp(e,t)},forceUpdateProp:function(e){r.accessor.forceUpdateProp(e)}},s=function(e,t,n){r.sendPropRequest(e,t,n,function(n){return{get:function(){return r.accessor.getProp(n)},set:function(e,t){return r.accessor.setProp(n,e,t)},forceUpdate:function(){r.accessor.forceUpdateProp(n)}}}(e))},i=function(e,t){r.sendRequest(e,t,o)},a=function(e,t,n){r.sendPropBroadcast(e,t,n)},c=function(e,t){r.sendBroadcast(e,t)};if(this._instance={has:function(e){return r.accessor.hasProp(e)},get:function(e){return r.accessor.getProp(e)},keys:function(){return r.accessor.getPropKeys()},pushFlows:function(e){for(var t=[],n=1;n<arguments.length;n++)t[n-1]=arguments[n];return r.pushFlows.apply(r,__spreadArrays([e],t))},clearFlows:function(e){return r.clearFlows(e)},sendPropRequest:function(e,t,n){s(e,t,n)},sendRequest:function(e,t){i(e,t)},sendPropBroadcast:function(e,t,n){a(e,t,n)},sendBroadcast:function(e,t){c(e,t)},pushDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return n.pushDisposable.apply(n,e)},removeDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return n.removeDisposable.apply(n,e)},dispose:function(){n.dispose()}},"function"==typeof e){var t=e.additionalEvents;t&&(t.broadcastReceived instanceof u.SingleEventObservable&&(this.broadcastReceived=t.broadcastReceived,this.pushDisposable(this.broadcastReceived)),t.propBroadcastReceived instanceof u.EventObservable&&(this.propBroadcastReceived=t.propBroadcastReceived,this.pushDisposable(this.propBroadcastReceived)),t.notifyReceived instanceof u.SingleEventObservable&&(this.notifyReceived=t.notifyReceived,this.pushDisposable(this.notifyReceived)),t.propNotifyReceived instanceof u.EventObservable&&(this.propNotifyReceived=t.propNotifyReceived,this.pushDisposable(this.propNotifyReceived)),"function"==typeof t.sendRequest&&(i=t.sendRequest),"function"==typeof t.sendPropRequest&&(s=t.sendPropRequest),"function"==typeof t.sendBroadcast&&(c=t.sendBroadcast),"function"==typeof t.sendPropBroadcast&&(a=t.sendPropBroadcast)),e(r.accessor)}}u.PropsObservable=e;var f,n=(__extends(t,f=e),t.prototype.setProp=function(e,t,n){if("function"!=typeof this._propSetter)return!1;var r=this._propSetter(e,t,n);return!!r&&r.success},t.prototype.setPropForDetails=function(e,t,n){return"function"!=typeof this._propSetter?u.ChangedInfo.fail(null,void 0,t,"not implemented"):this._propSetter(e,t,n)},t.prototype.setPromiseProp=function(n,e,t,r){var o=this;return u.Access.setPromise(function(e,t){return o.setPropForDetails(n,e,t)},e,t,r)},t.prototype.setSubscribeProp=function(n,e,t,r,o){var s=this;return u.Access.setSubscribe(function(e,t){return s.setPropForDetails(n,e,t)},e,t,r,o)},t.prototype.sendPropNotify=function(e,t,n){"function"==typeof this._sendPropNotify&&this._sendPropNotify(e,t,n)},t.prototype.sendNotify=function(e,t){"function"==typeof this._sendNotify&&this._sendNotify(e,t)},t.prototype.registerPropRequestHandler=function(e,t,n){return"function"==typeof this._registerPropRequestHandler&&this._registerPropRequestHandler(e,t,n)},t.prototype.registerRequestHandler=function(e,t){return"function"==typeof this._registerRequestHandler&&this._registerRequestHandler(e,t)},t);function t(t,n,e,r,o,s,i,a){function c(e){e.batchProp(t),n(e.customizedSetProp)}var u=this;if(a&&(c.additionalEvents=a),u=f.call(this,c)||this,"function"==typeof e&&(u._propSetter=e),"function"==typeof r&&(u._sendPropNotify=r),"function"==typeof o&&(u._sendNotify=o),"function"==typeof s&&(u._registerPropRequestHandler=s),"function"==typeof i&&(u._registerRequestHandler=i),"undefined"!=typeof Proxy)return u.proxy=new Proxy({},{has:function(e,t){return!(!t||"string"!=typeof t)&&u.hasProp(t)},get:function(e,t,n){if(t&&"string"==typeof t)return u.getProp(t)},set:function(e,t,n,r){if(!t||"string"!=typeof t)throw new TypeError("the property key should be a string");return u.setProp(t,n)},ownKeys:function(e){return u.getKeys()},enumerate:function(e){return u.getKeys()}}),u}u.PropsClient=n;var r,o=(__extends(s,r=e),Object.defineProperty(s.prototype,"formatter",{get:function(){return this._accessor.getFormatter()},set:function(e){this._accessor.setFormatter(e)},enumerable:!1,configurable:!0}),Object.defineProperty(s.prototype,"validator",{get:function(){return this._accessor.getValidator()},set:function(e){this._accessor.setValidator(e)},enumerable:!1,configurable:!0}),s.prototype.forceUpdateProp=function(e,t){this._accessor.forceUpdateProp(e,t)},s.prototype.setProp=function(e,t,n){var r=this._accessor.setProp(e,t,n);return!!r&&r.success},s.prototype.setPropForDetails=function(e,t,n){return this._accessor.setProp(e,t,n)},s.prototype.setPromiseProp=function(n,e,t,r){var o=this;return u.Access.setPromise(function(e,t){return o.setPropForDetails(n,e,t)},e,t,r)},s.prototype.setSubscribeProp=function(n,e,t,r,o){var s=this;return u.Access.setSubscribe(function(e,t){return s.setPropForDetails(n,e,t)},e,t,r,o)},s.prototype.removeProp=function(e,t){return this._accessor.removeProp(e,t)},s.prototype.setProps=function(e,t){return this._accessor.batchProp(e,t)},s.prototype.sendPropNotify=function(e,t,n){this._accessor.sendPropNotify(e,t,n)},s.prototype.sendNotify=function(e,t){this._accessor.sendNotify(e,t)},s.prototype.registerPropRequestHandler=function(e,t,n){return this._accessor.registerPropRequestHandler(e,t,n)},s.prototype.registerRequestHandler=function(e,t){return this._accessor.registerRequestHandler(e,t)},s.prototype.createPropClient=function(n){var e,o=this,t=new u.ValueClient(this.getProp(n),function(r){e=o.onPropChanging(n,function(e,t){var n=r(e.valueRequest,t.message);e.observable&&(e.observable.onResolved(function(e){n.resolve(e)}),e.observable.onRejected(function(e){n.reject(e)}))})},function(e,t){return o.setPropForDetails(n,e,t)},function(e,t){o._accessor.sendPropNotify(n,e,t)},function(e,t){return o._accessor.registerPropRequestHandler(n,e,t)},{broadcastReceived:this.propBroadcastReceived.createSingleObservable(n),notifyReceived:this.propNotifyReceived.createSingleObservable(n),sendRequest:function(e,t){o.sendPropRequest(n,e,t)},sendBroadcast:function(e,t){o.sendPropBroadcast(n,e,t)}},function(e){o.forceUpdateProp(n,e)});return t.pushDisposable(e),t},s.prototype.createClient=function(){var e,o=this,t=new n(this.copyModel(),function(r){e=o.onAnyPropChanging(function(e,t){var n=r(e.key,e.valueRequest,t.message);e.observable&&(e.observable.onResolved(function(e){n.resolve(e)}),e.observable.onRejected(function(e){n.reject(e)}))})},function(e,t,n){return o.setPropForDetails(e,t,n)},this._accessor.sendPropNotify,this._accessor.sendNotify,this.registerPropRequestHandler,this.registerRequestHandler,{propBroadcastReceived:this.propBroadcastReceived.createObservable(),broadcastReceived:this.broadcastReceived.createObservable(),propNotifyReceived:this.propNotifyReceived.createObservable(),notifyReceived:this.notifyReceived.createObservable(),sendPropRequest:function(e,t,n){o.sendPropRequest(e,t,n)},sendRequest:function(e,t){o.sendRequest(e,t)},sendPropBroadcast:function(e,t,n){o.sendPropBroadcast(e,t,n)},sendBroadcast:function(e,t){o.sendBroadcast(e,t)}});return t.pushDisposable(e),this.pushDisposable(t),t},s);function s(){var t,o=this;if((o=r.call(this,function(e){return t=e})||this)._accessor=t,"undefined"!=typeof Proxy)return o.proxy=new Proxy({},{has:function(e,t){return!(!t||"string"!=typeof t)&&o.hasProp(t)},get:function(e,t,n){if(t&&"string"==typeof t)return o.getProp(t)},set:function(e,t,n,r){if(!t||"string"!=typeof t)throw new TypeError("the property key should be a string");return o.setProp(t,n)},ownKeys:function(e){return o.getKeys()},enumerate:function(e){return o.getKeys()}}),o}u.PropsController=o}(DataSense||(DataSense={})),function(e){var t=(l.prototype.setOptions=function(e,t){t?e&&(this._options=__assign(__assign({},this._options),e)):this._options=e||{}},l.prototype.pushHandler=function(){for(var n=this,e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];var r=0;return e.forEach(function(e){var t;"function"==typeof e?r+=n._h.push(e):e instanceof Array&&(r+=(t=n._h).push.apply(t,e))}),r},l.prototype.clearHandler=function(){this._h=[]},l.prototype.process=function(e){this._proc(e)},l.prototype.abort=function(){this._abort()},l.delay=function(e,t){var n;return null==t||!1===t?e():!0===t?n=setTimeout(function(){n=null,e()},0):"number"==typeof t&&(n=setTimeout(function(){n=null,e()},t)),{dispose:function(){n&&clearTimeout(n),n=null}}},l.throttle=function(e,t,n){var r=new l;return r.setOptions({span:t,maxCount:1}),r.pushHandler(e),n||r.process(),r},l.debounce=function(e,t,n){var r=new l;return r.setOptions({delay:t,mergeMode:"debounce"}),r.pushHandler(e),n||r.process(),r},l.mono=function(e,t,n){var r=new l;return r.setOptions({delay:t,mergeMode:"mono"}),r.pushHandler(e),n||r.process(),r},l.multiHit=function(e,t,n,r,o){var s=new l;return s.setOptions({minCount:t,maxCount:n,span:r}),s.pushHandler(e),o||s.process(),s},l.schedule=function(t,r){function n(){a&&a.dispose(),a=null,i&&(clearInterval(i),i=null)}function o(e){u=new Date,t({startDate:c,latestStopDate:p,processDate:u,latestProcessDate:f,span:r,source:e}),f=new Date}function s(e,t){n(),a=l.delay(function(){a=null,o(t),i=setInterval(function(){o("schedule")},r)},e)}var i,a,c,u,p,f;return{start:function(e){var t=!1,n=e?"plan":"start";"number"==typeof e?t=e:!0===e&&(t=r),s(t,n)},process:function(){o("immediate")},resume:function(e){i||a||s(e,"resume")},pause:function(){n(),p=new Date},stop:function(){n(),p=new Date},get alive(){return i||a}}},l);function l(){var r=this;this._options={},this._h=[];function o(t){s=null;var n=i;i=new Date,u<Number.MAX_SAFE_INTEGER&&u++,r._h.forEach(function(e){e(t,{initDate:c,processDate:i,latestProcessDate:n,count:u,hitCount:p})})}var s,i,a,c=new Date,u=0,p=0;this._abort=function(){s&&clearTimeout(s),s=null},this._proc=function(e){var t=new Date;p++;var n=r._options;if(n.span&&a&&!(t.getTime()-a.getTime()>n.span)||(p=1),a=new Date,!(null!=n.minCount&&p<n.minCount||null!=n.maxCount&&p>n.maxCount)){if(s)if("debounce"===n.mergeMode)clearTimeout(s);else if("mono"===n.mergeMode)return;null==n.delay||!1===n.delay?o(e):!0===n.delay?s=setTimeout(function(){o(e)},0):"number"==typeof n.delay&&(s=setTimeout(function(){o(e)},n.delay))}}}e.HitTask=t}(DataSense||(DataSense={})),function(p){var r=(f.prototype.pushDisposable=function(){for(var e,t=[],n=0;n<arguments.length;n++)t[n]=arguments[n];return(e=this._instance).pushDisposable.apply(e,t)},f.prototype.removeDisposable=function(){for(var e,t=[],n=0;n<arguments.length;n++)t[n]=arguments[n];return(e=this._instance).removeDisposable.apply(e,t)},f.prototype.get=function(){return this._instance.get()},f.prototype.getType=function(){return typeof this._instance.get()},f.prototype.instanceOf=function(e){return this._instance.get()instanceof e},f.prototype.registerChangeFlow=function(){for(var e,t=[],n=0;n<arguments.length;n++)t[n]=arguments[n];return(e=this._instance).pushFlows.apply(e,t)},f.prototype.clearChangeFlow=function(){return this._instance.clearFlows()},f.prototype.onChanging=function(e,t,n,r){return this.changing.on(e,t,n,r)},f.prototype.onChanged=function(e,t,n,r){return this.changed.on(e,t,n,r)},f.prototype.onChangeFailed=function(e,t,n,r){return this.changeFailed.on(e,t,n,r)},f.prototype.onBroadcastReceived=function(e,t,n,r){return this.broadcastReceived.on(e,t,n,r)},f.prototype.onNotifyReceived=function(e,t,n,r){return this.notifyReceived.on(e,t,n,r)},f.prototype.subscribe=function(e,t){return this.changed.subscribeWithConvertor(e,t,function(e){return e.value})},f.prototype.sendRequest=function(e,t){this._instance.sendRequest(e,t)},f.prototype.sendBroadcast=function(e,t){this._instance.sendBroadcast(e,t)},f.prototype.createObservable=function(){return new f(this)},f.prototype.dispose=function(){this._instance.dispose()},f.prototype.toJSON=function(){var e=this._instance.get();try{if(null!=e)return JSON.stringify(e)}catch(e){}return new String(e).toString()},f);function f(e){var n,r,o=new p.DisposableArray,s="value";if(e instanceof f&&e._instance)return this._instance=__assign(__assign({},e._instance),{pushDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return o.pushDisposable.apply(o,e)},removeDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return o.removeDisposable.apply(o,e)},dispose:function(){o.dispose()}}),this.changing=e.changing.createObservable(),this.changed=e.changed.createObservable(),this.changeFailed=e.changeFailed.createObservable(),this.broadcastReceived=e.broadcastReceived.createObservable(),this.notifyReceived=e.notifyReceived.createObservable(),this.pushDisposable(this.changing,this.changed,this.changeFailed,this.broadcastReceived,this.notifyReceived),void e.pushDisposable(this);var i=p.Access.propsAccessor();i.accessor.setFormatter(function(e,t){return"function"!=typeof n||e!==s?t:n(t)}),i.accessor.setValidator(function(e,t){return"function"!=typeof r||e!==s||r(t)}),this.changing=i.propChanging.createSingleObservable(s),this.changed=i.propChanged.createSingleObservable(s),this.changeFailed=i.propChangeFailed.createSingleObservable(s),this.broadcastReceived=i.propBroadcastReceived.createSingleObservable(s),this.notifyReceived=i.propNotifyReceived.createSingleObservable(s),o.pushDisposable(this.changing,this.changed,this.changeFailed,this.broadcastReceived,this.notifyReceived);var a={get:function(){return i.accessor.getProp(s)},set:function(e,t){return i.accessor.setProp(s,e,t)},forceUpdate:function(e){i.accessor.forceUpdateProp(s,e)}},c=function(e,t){i.sendPropRequest(s,e,t,a)},u=function(e,t){i.sendPropBroadcast(s,e,t)};if(this._instance={get:function(){return i.accessor.getProp(s)},pushFlows:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return i.pushFlows.apply(i,__spreadArrays([s],e))},clearFlows:function(){return i.clearFlows(s)},sendRequest:function(e,t){c(e,t)},sendBroadcast:function(e,t){u(e,t)},pushDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return o.pushDisposable.apply(o,e)},removeDisposable:function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return o.removeDisposable.apply(o,e)},dispose:function(){o.dispose()}},"function"==typeof e){var t=e.additionalEvents;t&&(t.broadcastReceived instanceof p.SingleEventObservable&&(this.broadcastReceived=t.broadcastReceived,this.pushDisposable(this.broadcastReceived)),t.notifyReceived instanceof p.SingleEventObservable&&(this.notifyReceived=t.notifyReceived,this.pushDisposable(this.notifyReceived)),"function"==typeof t.sendRequest&&(c=t.sendRequest),"function"==typeof t.sendBroadcast&&(u=t.sendBroadcast)),e({get:function(){return i.accessor.getProp(s)},set:function(e,t){return i.accessor.setProp(s,e,t)},customizedSet:function(e,t){return i.accessor.customizedSetProp(s,e,t)},forceUpdate:function(e){i.accessor.forceUpdateProp(s,e)},getFormatter:function(){return n},setFormatter:function(e){n=e},getValidator:function(){return r},setValidator:function(e){r=e},getStore:function(e){return i.accessor.getPropStore(s,e)},setStore:function(e,t){i.accessor.setPropStore(s,e,t)},removeStore:function(){for(var e,t=[],n=0;n<arguments.length;n++)t[n]=arguments[n];(e=i.accessor).removePropStore.apply(e,__spreadArrays([s],t))},sendNotify:function(e,t){i.accessor.sendPropNotify(s,e,t)},registerRequestHandler:function(e,t){return i.accessor.registerPropRequestHandler(s,e,t)}})}}p.ValueObservable=r;var u,o=(__extends(e,u=r),e.prototype.set=function(e,t){if("function"!=typeof this._setter)return!1;var n=this._setter(e,t);return!!n&&n.success},e.prototype.setForDetails=function(e,t){return"function"!=typeof this._setter?p.ChangedInfo.fail(null,void 0,e,"not implemented"):this._setter(e,t)},e.prototype.setPromise=function(e,t,n){var r=this;return p.Access.setPromise(function(e,t){return r.setForDetails(e,t)},e,t,n)},e.prototype.setSubscribe=function(e,t,n,r){var o=this;return p.Access.setSubscribe(function(e,t){return o.setForDetails(e,t)},e,t,n,r)},e.prototype.forceUpdate=function(e){"function"==typeof this._forceUpdate&&this._forceUpdate(e)},e.prototype.sendNotify=function(e,t){this._sendNotify(e,t)},e.prototype.registerRequestHandler=function(e,t){return"function"==typeof this._registerRequestHandler&&this._registerRequestHandler(e,t)},e);function e(t,n,e,r,o,s,i){function a(e){e.set(t),n(e.customizedSet)}var c=this;return s&&(a.additionalEvents=s),c=u.call(this,a)||this,"function"==typeof e&&(c._setter=e),"function"==typeof r&&(c._sendNotify=r),"function"==typeof o&&(c._registerRequestHandler=o),"function"==typeof i&&(c._forceUpdate=i),c}p.ValueClient=o;var n,t=(__extends(s,n=r),Object.defineProperty(s.prototype,"formatter",{get:function(){return this._accessor.getFormatter()},set:function(e){this._accessor.setFormatter(e)},enumerable:!1,configurable:!0}),Object.defineProperty(s.prototype,"validator",{get:function(){return this._accessor.getValidator()},set:function(e){this._accessor.setValidator(e)},enumerable:!1,configurable:!0}),s.prototype.set=function(e,t){var n=this._accessor.set(e,t);return!!n&&n.success},s.prototype.setForDetails=function(e,t){return this._accessor.set(e,t)},s.prototype.setPromise=function(e,t,n){var r=this;return p.Access.setPromise(function(e,t){return r.setForDetails(e,t)},e,t,n)},s.prototype.setSubscribe=function(e,t,n,r){var o=this;return p.Access.setSubscribe(function(e,t){return o.setForDetails(e,t)},e,t,n,r)},s.prototype.forceUpdate=function(e){this._accessor.forceUpdate(e)},s.prototype.registerRequestHandler=function(e,t){return this._accessor.registerRequestHandler(e,t)},s.prototype.observe=function(e,t,n){return e instanceof r?(this._observing=e.registerChangeFlow(this._accessor.customizedSet),t||this._accessor.customizedSet(e.get(),n).resolve(),this._observing):{sync:function(){},dispose:function(){}}},s.prototype.stopObserving=function(){var e=this._observing;e&&(delete this._observing,"function"==typeof e.dispose&&e.dispose())},s.prototype.syncFromObserved=function(e){var t=this._observing;return!(!t||"function"!=typeof t.sync||(t.sync(e),0))},s.prototype.isObserving=function(){return!!this._observing},s.prototype.createClient=function(){var e,n=this,t=new o(this.get(),function(r){e=n.onChanging(function(e,t){var n=r(e.valueRequest,t.message);e.observable&&(e.observable.onResolved(function(e){n.resolve(e)}),e.observable.onRejected(function(e){n.reject(e)}))})},function(e,t){return n.setForDetails(e,t)},this._accessor.sendNotify,this._accessor.registerRequestHandler,{broadcastReceived:this.broadcastReceived.createObservable(),notifyReceived:this.notifyReceived.createObservable(),sendRequest:function(e,t){n.sendRequest(e,t)},sendBroadcast:function(e,t){n.sendBroadcast(e,t)}},function(e){n.forceUpdate(e)});return t.pushDisposable(e),this.pushDisposable(t),t},s.prototype.sendNotify=function(e,t){this._accessor.sendNotify(e,t)},s);function s(){var t,e=this;return(e=n.call(this,function(e){return t=e})||this)._accessor=t,e}p.ValueController=t}(DataSense||(DataSense={}));
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index f388e73..5d198f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "datasense",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1191,8 +1191,7 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1213,14 +1212,12 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -1235,20 +1232,17 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -1365,8 +1359,7 @@
         "inherits": {
           "version": "2.0.4",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1378,7 +1371,6 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -1393,7 +1385,6 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -1401,14 +1392,12 @@
         "minimist": {
           "version": "1.2.5",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "minipass": {
           "version": "2.9.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -1427,7 +1416,6 @@
           "version": "0.5.3",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "minimist": "^1.2.5"
           }
@@ -1489,8 +1477,7 @@
         "npm-normalize-package-bin": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "npm-packlist": {
           "version": "1.4.8",
@@ -1518,8 +1505,7 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1531,7 +1517,6 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -1609,8 +1594,7 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1646,7 +1630,6 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -1666,7 +1649,6 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1710,14 +1692,12 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "yallist": {
           "version": "3.1.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         }
       }
     },
@@ -3658,9 +3638,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz",
-      "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.0.2.tgz",
+      "integrity": "sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 164d6fd..c95edf7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "datasense",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "A set of powerful utilities and classes for accessing and observing data.",
   "main": "index.js",
   "types": "./index.d.ts",
@@ -31,6 +31,6 @@
     "gulp-sourcemaps": "^2.6.5",
     "gulp-typescript": "^5.0.1",
     "gulp-uglify": "^3.0.2",
-    "typescript": "^3.9.6"
+    "typescript": "^4.0.2"
   }
 }
diff --git a/src/objects.ts b/src/objects.ts
index feffa65..7caff75 100644
--- a/src/objects.ts
+++ b/src/objects.ts
@@ -981,6 +981,8 @@ export class PropsController extends PropsObservable {
             notifyReceived: this.propNotifyReceived.createSingleObservable(key),
             sendRequest,
             sendBroadcast
+        }, (message?) => {
+            this.forceUpdateProp(key, message);
         });
         client.pushDisposable(token);
         return client;
diff --git a/src/values.ts b/src/values.ts
index 805b6aa..89428c0 100644
--- a/src/values.ts
+++ b/src/values.ts
@@ -376,6 +376,7 @@ export class ValueObservable<T> implements DisposableArrayContract {
  */
 export class ValueClient<T> extends ValueObservable<T> {
     private readonly _setter: (value: T, message?: FireInfoContract | string) => ChangedInfo<T>;
+    private readonly _forceUpdate: (message?: FireInfoContract | string) => void;
     private readonly _sendNotify: (data: any, message?: FireInfoContract | string) => void;
     private readonly _registerRequestHandler: (type: string, h: (owner: SimpleValueAccessorContract<T>, value: any) => void) => boolean;
 
@@ -388,7 +389,8 @@ export class ValueClient<T> extends ValueObservable<T> {
         setter: (value: T, message?: FireInfoContract | string) => ChangedInfo<T>,
         sendNotify: (data: any, message?: FireInfoContract | string) => void,
         registerRequestHandler: (type: string, h: (owner: SimpleValueAccessorContract<T>, value: any) => void) => boolean,
-        additionalEvents: ValueFurtherEventsContract
+        additionalEvents: ValueFurtherEventsContract,
+        forceUpdate?: (message?: FireInfoContract | string) => void
     ) {
         let h = (acc: ValueObservableAccessorContract<T>) => {
             acc.set(defaultValue);
@@ -400,6 +402,7 @@ export class ValueClient<T> extends ValueObservable<T> {
         if (typeof setter === "function") this._setter = setter;
         if (typeof sendNotify === "function") this._sendNotify = sendNotify;
         if (typeof registerRequestHandler === "function") this._registerRequestHandler = registerRequestHandler;
+        if (typeof forceUpdate === "function") this._forceUpdate = forceUpdate;
     }
 
     /**
@@ -447,6 +450,15 @@ export class ValueClient<T> extends ValueObservable<T> {
         }, value, message, callbackfn, thisArg);
     }
 
+    /**
+     * Forces to notify the update event.
+     * @param message  A message for the setting event.
+     */
+    public forceUpdate(message?: FireInfoContract | string) {
+        if (typeof this._forceUpdate !== "function") return;
+        this._forceUpdate(message);
+    }
+
     /**
      * Send a notification.
      * @param data  The data.
@@ -554,6 +566,14 @@ export class ValueController<T> extends ValueObservable<T> {
         }, value, message, callbackfn, thisArg);
     }
 
+    /**
+     * Forces to notify the update event.
+     * @param message  A message for the setting event.
+     */
+    public forceUpdate(message?: FireInfoContract | string) {
+        this._accessor.forceUpdate(message);
+    }
+
     /**
      * Registers a handler to respond the request message.
      * @param type  The request type.
@@ -635,6 +655,8 @@ export class ValueController<T> extends ValueObservable<T> {
             notifyReceived: this.notifyReceived.createObservable(),
             sendRequest,
             sendBroadcast
+        }, (message?) => {
+            this.forceUpdate(message);
         });
         client.pushDisposable(token);
         this.pushDisposable(client);
diff --git a/test/dist/engine.js b/test/dist/engine.js
index 0d95223..24394ca 100644
--- a/test/dist/engine.js
+++ b/test/dist/engine.js
@@ -1,5 +1,6 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
+exports.assert = exports.run = exports.create = void 0;
 let assertCount = 0;
 function create(name) {
     let list = [];