@webqit/observer - npm Package Compare versions

Comparing version 2.1.17 to 2.1.18

dist/main.js

@@ -1,2 +0,2 @@
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"${N(t)}" given.`);return t instanceof b&&(t=t.value),t&&X(t)}function Ye(t,e,n,r={}){return e===1/0?r.level&&!_(t)?n([]):Y(t,n,r):n(q(e,!1))}var Ze={...xe,...ue},je=Ze;self.webqit||(self.webqit={});self.webqit.Observer=je;})();
 //# sourceMappingURL=main.js.map

package.json

@@ -15,3 +15,3 @@ {
   "homepage": "https://webqit.io/tooling/observer",
-  "version": "2.1.17",
+  "version": "2.1.18",
   "license": "MIT",
@@ -18,0 +18,0 @@ "repository": {

src/actors.js

@@ -41,7 +41,9 @@
         const currentDescriptorRecord = getDescriptorDeep( prop );
-        currentDescriptorRecord.getValue = function() {
+        currentDescriptorRecord.getValue = function( propertyDescriptor = false ) {
+            if ( propertyDescriptor ) return this.descriptor;
             return this.descriptor.get ? this.descriptor.get() : this.descriptor.value;
         };
-        currentDescriptorRecord.setValue = function( value ) {
+        currentDescriptorRecord.setValue = function( value, propertyDescriptor = false ) {
             this.dirty = true;
+            if ( propertyDescriptor ) { this.descriptor = value; return; }
             return this.descriptor.set ? this.descriptor.set( value ) !== false : ( this.descriptor.value = value, true );
@@ -124,9 +126,23 @@ };
  * @param Object		    params
+ * @param Function		    extendCallback
  *
  * @return Proxy
  */
-export function proxy( target, params = {} ) {
-    target = resolveTarget( target );
-    const proxy = new Proxy( target, {
-        apply:  ( target, thisArgument, argumentsList ) => apply( target, thisArgument, argumentsList, params ),
+export function proxy( target, params = {}, extendCallback = undefined ) {
+    // Resolve target
+    const originalTarget = resolveTarget( target );
+    // Return same proxy instance?
+    if ( typeof params.membrane === 'boolean' ) throw new Error( `The params.membrane parameter cannot be of type boolean.` );
+    if ( params.membrane && _( originalTarget, 'membraneRef' ).has( params.membrane ) ) { return _( originalTarget, 'membraneRef' ).get( params.membrane ); }
+    const traps = {
+        apply( target, thisArgument, argumentsList ) {
+            if ( Array.isArray( thisArgument ) ) {
+                // Manually manage the length property
+                const originalThis = resolveTarget( thisArgument );
+                _( originalThis ).set( '$length', originalThis.length );
+                // And array methods have their operations batched
+                return batch( originalThis, () =>  apply( target, thisArgument, argumentsList ) );
+            }
+            return apply( target, thisArgument, argumentsList );
+        },
         construct:  ( target, argumentsList, newTarget = null ) => construct( target, argumentsList, newTarget, params ),
@@ -136,10 +152,12 @@ defineProperty:  ( target, propertyKey, attributes ) => defineProperty( target, propertyKey, attributes, params ),
         get: ( target, propertyKey, receiver = null ) => {
-            const val = get( target, propertyKey, { ...params, receiver } );
-            if ( params.proxyAutoBinding !== false && _isFunction( val ) && !_isClass( val )) {
-                return function( ...args ) {
-                    const _this = this || proxy;
-                    return batch( _this, () => val.call( _this, ...args ) );
-                }
+            const $params = { ...params, receiver };
+            if ( Array.isArray( target ) && propertyKey === 'length' && _( target ).has( '$length' ) ) {
+                $params.forceValue = _( target ).get( '$length' );
             }
-            return val;
+            const returnValue = get( target, propertyKey, $params );
+            if ( Array.isArray( target ) && typeof returnValue === 'function' ) {
+                // Return a proxy, but in terms of a membrane. 
+                return proxy( returnValue, { ...params, membrane: receiver/* the instance obj that will be the thisArgument at apply(). Much like function.bind() */ } );
+            }
+            return returnValue;
         },
@@ -152,7 +170,19 @@ getOwnPropertyDescriptor: ( target, propertyKey ) => getOwnPropertyDescriptor( target, propertyKey, params ),
         preventExtensions: target => preventExtensions( target, params ),
-        set: ( target, propertyKey, value, receiver = null ) => set( target, propertyKey, value, { ...params, receiver } ),
+        set: ( target, propertyKey, value, receiver = null ) => {
+            const $params = { ...params, receiver };
+            if ( Array.isArray( target ) && propertyKey === 'length' ) {
+                $params.forceOldValue = _( target ).get( '$length' );
+                _( target ).set( '$length', value );
+            }
+            return set( target, propertyKey, value, $params );
+        },
         setPrototypeOf: ( target, prototype ) => setPrototypeOf( target, prototype, params ),
-    });
-    _( proxy ).set( proxy, target );
-	return proxy;
+    };
+    // Extend...
+    const $traps = extendCallback?.( traps ) || traps;
+    // Create proxy
+    const $proxy = new Proxy( originalTarget, $traps );
+    if ( params.membrane ) { _( originalTarget, 'membraneRef' ).set( params.membrane, $proxy ); }
+    _( $proxy ).set( $proxy, originalTarget );
+	return $proxy;
 }
@@ -159,0 +189,0 @@

src/core/ListenerRegistration.js

@@ -7,3 +7,3 @@
 import Registration from './Registration.js';
-import { _await } from '../util.js';
+import { _await, other as otherUtil } from '../util.js';
 
@@ -26,2 +26,3 @@ /**
 		Object.defineProperty( this, 'signal', { value: this.abortController.signal } );
+		otherUtil.setMaxListeners?.( 0, this.signal );
 	}
@@ -28,0 +29,0 @@

src/core/ListenerRegistry.js

@@ -8,2 +8,3 @@
 import { _await } from '../util.js';
+import Descriptor from './Descriptor.js';
 
@@ -48,3 +49,3 @@ /**
 	 */
-	emit( events ) {
+	emit( events, isPropertyDescriptors = false ) {
 		if ( this.batches.length ) {
@@ -54,3 +55,16 @@ this.batches[ 0 ].events.push( ...events );
 		}
-		this.entries.forEach( listener => listener.fire( events ) );
+		let eventsWithValues;
+		this.entries.forEach( listener => {
+			if ( isPropertyDescriptors && !listener.params.propertyDescriptors ) {
+				eventsWithValues = eventsWithValues || events.map( e => {
+					let { target, value, oldValue, type, ...details } = e;
+					value = value.get ? value.get() : value.value;
+					oldValue = oldValue?.get ? oldValue.get() : oldValue?.value;
+					return new Descriptor( target, { type: 'set', value, oldValue, ...details } );
+				} );
+				listener.fire( eventsWithValues );
+				return;
+			}
+			listener.fire( events );
+		} );
 	}
@@ -57,0 +71,0 @@

src/main.js

@@ -7,2 +7,3 @@
 import { _from as _arrFrom } from '@webqit/util/arr/index.js';
+import { _, _await, other as otherUtil } from './util.js';
 import ListenerRegistry from './core/ListenerRegistry.js';
@@ -12,3 +13,2 @@ import TrapsRegistry from './core/TrapsRegistry.js';
 import { unproxy } from './actors.js';
-import { _, _await } from './util.js';
 
@@ -240,8 +240,8 @@ /* ---------------SPECIAL APIs--------------- */
     let isLive;
-    target = resolveObj( target, !params.level );
+    const originalTarget = resolveObj( target, !params.level );
     if ( _isObject( receiver ) ) { [ params, receiver ] = [ receiver, x => x ]; }
     else if ( params.live ) { isLive = true; }
-    if ( prop instanceof Path ) return reduce( target, prop, get, receiver, params );
+    if ( prop instanceof Path ) return reduce( originalTarget, prop, get, receiver, params );
     // ---------------
-    return resolveProps( target, prop, props => {
+    return resolveProps( originalTarget, prop, props => {
         const related = [ ...props ];
@@ -258,11 +258,17 @@ return ( function next( results, _props, _done ) {
                 if ( arguments.length > 1 ) return _next( value );
-                const accessorizedProps = _( target, 'accessorizedProps', false );
+                const accessorizedProps = _( originalTarget, 'accessorizedProps', false );
                 const accessorization = accessorizedProps && accessorizedProps.get( descriptor.key + '' );
                 if ( accessorization && accessorization.intact() ) {
-                    return _next( accessorization.getValue() );
+                    return _next( accessorization.getValue( params.propertyDescriptor ) );
                 }
-                return _next( Reflect.get( target, descriptor.key, ...( params.receiver ? [ params.receiver ] : [] ) ) );
+                if ( params.propertyDescriptor ) {
+                    const desc = Object.getOwnPropertyDescriptor( originalTarget, descriptor.key );
+                    if ( 'forceValue' in params &&  'value' in desc ) { desc.value = params.forceValue; }
+                    return _next( desc );
+                }
+                if ( 'forceValue' in params ) { return _next( params.forceValue ); }
+                return _next( Reflect.get( originalTarget, descriptor.key, ...( params.receiver ? [ params.receiver ] : [] ) ) );
             }
             // ---------
-            const descriptor = new Descriptor( target, {
+            const descriptor = new Descriptor( originalTarget, {
                 type: 'get',
@@ -273,4 +279,4 @@ key: prop,
             } );
-            if ( !_isTypeObject( target ) ) return next( [ ...results, params.live || params.descripted ? descriptor : undefined ], _props, _done );
-            const listenerRegistry = TrapsRegistry.getInstance( target, false, params.namespace );
+            if ( !_isTypeObject( originalTarget ) ) return next( [ ...results, params.live || params.descripted ? descriptor : undefined ], _props, _done );
+            const listenerRegistry = TrapsRegistry.getInstance( originalTarget, false, params.namespace );
             if ( listenerRegistry ) {
@@ -282,4 +288,4 @@ return listenerRegistry.emit( descriptor, defaultGet );
             const result_s = isPropsList( prop/*original*/ ) ? results : results[ 0 ];
-            if ( isLive && _isTypeObject( target ) ) {
-                const emit = bind( target, prop, receiver, params );
+            if ( isLive && _isTypeObject( originalTarget ) ) {
+                const emit = bind( originalTarget, prop, receiver, params );
                 return emit( result_s );
@@ -322,3 +328,3 @@ }
     // ---------------
-    target = resolveObj( target );
+    const originalTarget = resolveObj( target );
     let entries = [ [ prop, value ] ];
@@ -339,7 +345,7 @@ if ( _isObject( prop ) ) {
             if ( arguments.length > 1 ) return _next( descriptor, status );
-            const accessorizedProps = _( target, 'accessorizedProps', false );
+            const accessorizedProps = _( originalTarget, 'accessorizedProps', false );
             const accessorization = accessorizedProps && accessorizedProps.get( descriptor.key + '' );
             if ( descriptor.type === 'defineProperty' ) {
                 if ( accessorization && !accessorization.restore() ) _next( false );
-                Object.defineProperty( target, descriptor.key, descriptor.value );
+                Object.defineProperty( originalTarget, descriptor.key, descriptor.value );
                 return _next( true );
@@ -350,3 +356,3 @@ }
             }
-            return _next( Reflect.set( target, descriptor.key, descriptor.value ) );
+            return _next( Reflect.set( originalTarget, descriptor.key, descriptor.value ) );
         }
@@ -356,3 +362,3 @@ // ---------
             if ( params.diff && value === oldValue ) return next( descriptors, entries, _done );
-            const descriptor = new Descriptor( target, {
+            const descriptor = new Descriptor( originalTarget, {
                 type: def ? 'defineProperty' : 'set',
@@ -366,3 +372,3 @@ key: prop,
             } );
-            const listenerRegistry = TrapsRegistry.getInstance( target, false, params.namespace );
+            const listenerRegistry = TrapsRegistry.getInstance( originalTarget, false, params.namespace );
             return listenerRegistry 
@@ -373,10 +379,12 @@ ? listenerRegistry.emit( descriptor, defaultSet )
         // ---------
-        return has( target, prop, exists => {
+        return has( originalTarget, prop, exists => {
             if ( !exists ) return exec( exists );
-            return get( target, prop, oldValue => exec( exists, oldValue ), params );
+            const $params = { ...params, propertyDescriptor: def };
+            if ( 'forceOldValue' in params ) { $params.forceValue = params.forceOldValue; }
+            return get( originalTarget, prop, oldValue => exec( exists, oldValue ), $params );
         }, params );
         // ---------
     } )( [], entries.slice( 0 ), descriptors => {
-        const listenerRegistry = ListenerRegistry.getInstance( target, false, params.namespace );
-        if ( listenerRegistry ) listenerRegistry.emit( descriptors );
+        const listenerRegistry = ListenerRegistry.getInstance( originalTarget, false, params.namespace );
+        if ( listenerRegistry ) listenerRegistry.emit( descriptors, def );
         return receiver(
@@ -555,2 +563,3 @@ isPropsList( prop/*original*/ ) ? descriptors.map( opr => opr.status ) : descriptors[ 0 ]?.status
         params = { ...params, signal: controller.signal };
+        otherUtil.setMaxListeners?.( 0, controller.signal );
     }
@@ -557,0 +566,0 @@ const listenerRegistry = ListenerRegistry.getInstance( target, true, params.namespace );

src/util.js

@@ -10,1 +10,3 @@
 export const _await = ( value, callback ) => value instanceof Promise ? value.then( callback ) : callback( value );
+
+export const other = {};

No alert changes

Improved metrics

Total package byte prevSize

168054

increased by5.81%

Lines of code

1532

increased by4.01%

No dependency changes