object-observer - npm Package Compare versions

Comparing version 5.1.6 to 5.1.7

dist/cdn/object-observer.js

@@ -49,11 +49,11 @@ export { Observable, ObjectObserver };
 	},
-	prepareObject = (source, oMeta) => {
+	prepareObject = (source, oMeta, visited) => {
 		const target = {};
 		target[oMetaKey] = oMeta;
 		for (const key in source) {
-			target[key] = getObservedOf(source[key], key, oMeta);
+			target[key] = getObservedOf(source[key], key, oMeta, visited);
 		}
 		return target;
 	},
-	prepareArray = (source, oMeta) => {
+	prepareArray = (source, oMeta, visited) => {
 		let l = source.length;
@@ -63,3 +63,3 @@ const target = new Array(l);
 		for (let i = 0; i < l; i++) {
-			target[i] = getObservedOf(source[i], i, oMeta);
+			target[i] = getObservedOf(source[i], i, oMeta, visited);
 		}
@@ -169,7 +169,9 @@ return target;
 	},
-	getObservedOf = (item, key, parent) => {
-		if (typeof item !== 'object' || item === null) {
+	getObservedOf = (item, key, parent, visited) => {
+		if (visited !== undefined && visited.has(item)) {
+			return null;
+		} else if (typeof item !== 'object' || item === null) {
 			return item;
 		} else if (Array.isArray(item)) {
-			return new ArrayOMeta({ target: item, ownKey: key, parent: parent }).proxy;
+			return new ArrayOMeta({ target: item, ownKey: key, parent: parent, visited }).proxy;
 		} else if (ArrayBuffer.isView(item)) {
@@ -180,3 +182,3 @@ return new TypedArrayOMeta({ target: item, ownKey: key, parent: parent }).proxy;
 		} else {
-			return new ObjectOMeta({ target: item, ownKey: key, parent: parent }).proxy;
+			return new ObjectOMeta({ target: item, ownKey: key, parent: parent, visited }).proxy;
 		}
@@ -519,3 +521,3 @@ },
 	constructor(properties, cloningFunction) {
-		const { target, parent, ownKey } = properties;
+		const { target, parent, ownKey, visited = new Set() } = properties;
 		if (parent && ownKey !== undefined) {
@@ -528,3 +530,5 @@ this.parent = parent;
 		}
-		const targetClone = cloningFunction(target, this);
+		visited.add(target);
+		const targetClone = cloningFunction(target, this, visited);
+		visited.delete(target);
 		this.observers = [];
@@ -531,0 +535,0 @@ this.revocable = Proxy.revocable(targetClone, this);

dist/cdn/object-observer.min.js

@@ -1,2 +0,2 @@
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Set}=t;n&&i!==void 0?(this.parent=n,this.ownKey=i):(this.parent=null,this.ownKey=null),l.add(r);const h=e(r,this,l);l.delete(r),this.observers=[],this.revocable=Proxy.revocable(h,this),this.proxy=this.revocable.proxy,this.target=h,this.options=this.processOptions(t.options),this.options.async&&(this.batches=[])}processOptions(t){if(t){if(typeof t!="object")throw new Error(`Observable options if/when provided, MAY only be an object, got '${t}'`);const e=Object.keys(t).filter(r=>!(r in Y));if(e.length)throw new Error(`'${e.join(", ")}' is/are not a valid Observable option/s`);return Object.assign({},t)}else return{}}detach(){return this.parent=null,this.target}set(t,e,r){let n=t[e];if(r!==n){const i=g(r,e,this);if(t[e]=i,n&&typeof n=="object"){const h=n[c];h&&(n=h.detach())}const l=n===void 0?[new b(m,[e],i,void 0,this.proxy)]:[new b(x,[e],i,n,this.proxy)];y(this,l)}return!0}deleteProperty(t,e){let r=t[e];if(delete t[e],r&&typeof r=="object"){const i=r[c];i&&(r=i.detach())}const n=[new b(S,[e],void 0,r,this.proxy)];return y(this,n),!0}}class W extends T{constructor(t){super(t,B)}}class $ extends T{constructor(t){super(t,D)}get(t,e){return k[e]||t[e]}}class N extends T{constructor(t){super(t,z)}get(t,e){return ee[e]||t[e]}}const v=Object.freeze({from:(o,t)=>{if(!o||typeof o!="object")throw new Error("observable MAY ONLY be created from a non-null object");if(o[c])return o;if(Array.isArray(o))return new $({target:o,ownKey:null,parent:null,options:t}).proxy;if(ArrayBuffer.isView(o))return new N({target:o,ownKey:null,parent:null,options:t}).proxy;if(o instanceof Date)throw new Error(`${o} found to be one of a non-observable types`);return new W({target:o,ownKey:null,parent:null,options:t}).proxy},isObservable:o=>!!(o&&o[c]),observe:(o,t,e)=>{if(!v.isObservable(o))throw new Error("invalid observable parameter");if(typeof t!="function")throw new Error(`observer MUST be a function, got '${t}'`);const r=o[c].observers;r.some(n=>n[0]===t)?console.warn("observer may be bound to an observable only once; will NOT rebind"):r.push([t,I(e)])},unobserve:(o,...t)=>{if(!v.isObservable(o))throw new Error("invalid observable parameter");const e=o[c].observers;let r=e.length;if(r){if(!t.length){e.splice(0);return}for(;r;)t.indexOf(e[--r][0])>=0&&e.splice(r,1)}}}),K=Symbol("observer-key"),j=Symbol("targets-key");class te{constructor(t){this[K]=t,this[j]=new Set,Object.freeze(this)}observe(t,e){const r=v.from(t);return v.observe(r,this[K],e),this[j].add(r),r}unobserve(t){v.unobserve(t,this[K]),this[j].delete(t)}disconnect(){for(const t of this[j])v.unobserve(t,this[K]);this[j].clear()}}
 //# sourceMappingURL=object-observer.min.js.map

dist/object-observer.js

@@ -49,11 +49,11 @@ export { Observable, ObjectObserver };
 	},
-	prepareObject = (source, oMeta) => {
+	prepareObject = (source, oMeta, visited) => {
 		const target = {};
 		target[oMetaKey] = oMeta;
 		for (const key in source) {
-			target[key] = getObservedOf(source[key], key, oMeta);
+			target[key] = getObservedOf(source[key], key, oMeta, visited);
 		}
 		return target;
 	},
-	prepareArray = (source, oMeta) => {
+	prepareArray = (source, oMeta, visited) => {
 		let l = source.length;
@@ -63,3 +63,3 @@ const target = new Array(l);
 		for (let i = 0; i < l; i++) {
-			target[i] = getObservedOf(source[i], i, oMeta);
+			target[i] = getObservedOf(source[i], i, oMeta, visited);
 		}
@@ -169,7 +169,9 @@ return target;
 	},
-	getObservedOf = (item, key, parent) => {
-		if (typeof item !== 'object' || item === null) {
+	getObservedOf = (item, key, parent, visited) => {
+		if (visited !== undefined && visited.has(item)) {
+			return null;
+		} else if (typeof item !== 'object' || item === null) {
 			return item;
 		} else if (Array.isArray(item)) {
-			return new ArrayOMeta({ target: item, ownKey: key, parent: parent }).proxy;
+			return new ArrayOMeta({ target: item, ownKey: key, parent: parent, visited }).proxy;
 		} else if (ArrayBuffer.isView(item)) {
@@ -180,3 +182,3 @@ return new TypedArrayOMeta({ target: item, ownKey: key, parent: parent }).proxy;
 		} else {
-			return new ObjectOMeta({ target: item, ownKey: key, parent: parent }).proxy;
+			return new ObjectOMeta({ target: item, ownKey: key, parent: parent, visited }).proxy;
 		}
@@ -519,3 +521,3 @@ },
 	constructor(properties, cloningFunction) {
-		const { target, parent, ownKey } = properties;
+		const { target, parent, ownKey, visited = new Set() } = properties;
 		if (parent && ownKey !== undefined) {
@@ -528,3 +530,5 @@ this.parent = parent;
 		}
-		const targetClone = cloningFunction(target, this);
+		visited.add(target);
+		const targetClone = cloningFunction(target, this, visited);
+		visited.delete(target);
 		this.observers = [];
@@ -531,0 +535,0 @@ this.revocable = Proxy.revocable(targetClone, this);

dist/object-observer.min.js

@@ -1,2 +0,2 @@
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+export{v as Observable,te as ObjectObserver};const m="insert",x="update",S="delete",R="reverse",F="shuffle",c=Symbol.for("object-observer-meta-key-0"),Y={async:1},I=o=>{if(!o||typeof o!="object")return null;const t={},e=[];for(const[r,n]of Object.entries(o))if(r==="path"){if(typeof n!="string"||n==="")throw new Error('"path" option, if/when provided, MUST be a non-empty string');t[r]=n}else if(r==="pathsOf"){if(o.path)throw new Error('"pathsOf" option MAY NOT be specified together with "path" option');if(typeof n!="string")throw new Error('"pathsOf" option, if/when provided, MUST be a string (MAY be empty)');t[r]=o.pathsOf.split(".").filter(Boolean)}else if(r==="pathsFrom"){if(o.path||o.pathsOf)throw new Error('"pathsFrom" option MAY NOT be specified together with "path"/"pathsOf" option/s');if(typeof n!="string"||n==="")throw new Error('"pathsFrom" option, if/when provided, MUST be a non-empty string');t[r]=n}else e.push(r);if(e.length)throw new Error(`'${e.join(", ")}' is/are not a 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b(S,[e],void 0,r,this.proxy)];return y(this,n),!0}}class W extends T{constructor(t){super(t,B)}}class $ extends T{constructor(t){super(t,D)}get(t,e){return k[e]||t[e]}}class N extends T{constructor(t){super(t,z)}get(t,e){return ee[e]||t[e]}}const v=Object.freeze({from:(o,t)=>{if(!o||typeof o!="object")throw new Error("observable MAY ONLY be created from a non-null object");if(o[c])return o;if(Array.isArray(o))return new $({target:o,ownKey:null,parent:null,options:t}).proxy;if(ArrayBuffer.isView(o))return new N({target:o,ownKey:null,parent:null,options:t}).proxy;if(o instanceof Date)throw new Error(`${o} found to be one of a non-observable types`);return new W({target:o,ownKey:null,parent:null,options:t}).proxy},isObservable:o=>!!(o&&o[c]),observe:(o,t,e)=>{if(!v.isObservable(o))throw new Error("invalid observable parameter");if(typeof t!="function")throw new Error(`observer MUST be a function, got '${t}'`);const r=o[c].observers;r.some(n=>n[0]===t)?console.warn("observer may be bound to an observable only once; will NOT rebind"):r.push([t,I(e)])},unobserve:(o,...t)=>{if(!v.isObservable(o))throw new Error("invalid observable parameter");const e=o[c].observers;let r=e.length;if(r){if(!t.length){e.splice(0);return}for(;r;)t.indexOf(e[--r][0])>=0&&e.splice(r,1)}}}),K=Symbol("observer-key"),j=Symbol("targets-key");class te{constructor(t){this[K]=t,this[j]=new Set,Object.freeze(this)}observe(t,e){const r=v.from(t);return v.observe(r,this[K],e),this[j].add(r),r}unobserve(t){v.unobserve(t,this[K]),this[j].delete(t)}disconnect(){for(const t of this[j])v.unobserve(t,this[K]);this[j].clear()}}
 //# sourceMappingURL=object-observer.min.js.map

package.json

 {
 	"name": "object-observer",
-	"version": "5.1.6",
+	"version": "5.1.7",
 	"description": "object-observer utility provides simple means to (deeply) observe specified object/array changes; implemented via native Proxy; changes delivered in a synchronous way",
@@ -69,7 +69,7 @@ "keywords": [
 	"devDependencies": {
-		"chai": "^4.3.6",
-		"eslint": "^8.24.0",
+		"chai": "4.3.6",
+		"eslint": "^8.35.0",
 		"just-test": "^3.0.4",
-		"esbuild": "^0.15.9"
+		"esbuild": "^0.17.10"
 	}
 }

readme.md

@@ -19,2 +19,3 @@ [![npm](https://img.shields.io/npm/v/object-observer.svg?label=npm%20object-observer)](https://www.npmjs.com/package/object-observer)
 - original objects are __cloned__ while turned into `Observable`s
+  - circular references are nullified in the clone
 - __array__ specifics:
@@ -50,3 +51,5 @@ - generic object-like mutations supported
 
-Use regular `npm install object-observer --save-prod` to use the library from your local environment:
+Use regular `npm install object-observer --save-prod` to use the library from your local environment.
+
+__ES__ module:
 ```js
@@ -56,3 +59,3 @@ import { Observable } from 'object-observer';
 
-Since version 5.1.0 a CJS porting is also available, using this syntax:
+__CJS__ flavor:
 ```js
@@ -63,3 +66,3 @@ const { Observable } = require('object-observer');
 
-A __CDN__ deployment is also available (AWS driven), so one can import it directly:
+__CDN__ (most suggested, when possible):
 ```js
@@ -69,3 +72,3 @@ import { Observable } from 'https://libs.gullerya.com/object-observer/x.y.z/object-observer.min.js';
 
-> Note: replace the `x.y.z` with the desired version, one of the listed in the [changelog](docs/changelog.md).
+> Replace the `x.y.z` with the desired version, one of the listed in the [changelog](docs/changelog.md).
 
@@ -86,3 +89,3 @@ CDN features:
 
-Additionally, from version 4.2.0 there is also 'DOM-like' API flavor - constructable `ObjectObserver`.
+There is also a 'DOM-like' API flavor - constructable `ObjectObserver`.
 This API is resonating with DOM's `MutationObserver`, `ResizeObserver` etc from the syntax perspective.
@@ -92,3 +95,3 @@ Under the hood it uses the same `Observable` mechanics.
 
-Starting from 4.3.x `object-observer` is cross-instance operable.
+`object-observer` is cross-instance operable.
 Observables created by different instances of the library will still be detected correctly as such and handled correctly by any of the instances.
@@ -95,0 +98,0 @@

sri.json

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-	"dist/cdn/object-observer.min.js.map": "sha512-5p9R3m5DhHefGdaVzAut5vmoRiU0yHKHTdr6uRIPgSinkrEWVfINxUrghhXTSQhF9Rw5gDRJ47JHwh5LmnqCwg=="
+	"dist/cdn/object-observer.js": "sha512-zgQjYoQ8cWub9yNbYWf2VmyhEHdP3azk4W5GDEKaaf0rHGcWmbZt0U15xhH9mU3Qw6u3fJ1AmtNLbll5Sxf3mw==",
+	"dist/cdn/object-observer.min.js": "sha512-i5RB2EenTNVz0pg/1j99SX02lUP+wM4au/V0PxVciQ+EgSrAq73ZkywZXzptzZ4phQXwYYDWHAG8TuTgE0bsdg==",
+	"dist/cdn/object-observer.min.js.map": "sha512-nsx9+MeTpSdx+3srFxLgH7/HOsUCwJmbHN23/FnUVqqhqSQPyQXeXefQjZ+MrHUQ5Ixuv02gz8W8/Dnc8wcK7w=="
 }

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Total package byte prevSize

148062

increased by1.76%

Lines of code

2047

increased by0.69%

Number of lines in readme file

258

increased by1.18%

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