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Node - SafeObject
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| class SafeObject { | |
| constructor(mainObject) { | |
| this.mainObject = mainObject; | |
| this.configs = { | |
| get: SafeObject.get.bind(this) | |
| } | |
| } | |
| static get (target, prop) { | |
| if (prop in target) { | |
| return target[prop]; | |
| } | |
| if (prop in this.mainObject && (this.mainObject[prop].constructor === Array || this.mainObject[prop].constructor === Object)) { | |
| target[prop] = (new SafeObject(this.mainObject[prop])).clone(); | |
| } | |
| return target[prop] || this.mainObject[prop]; | |
| }; | |
| clone() { | |
| return new Proxy({}, this.configs); | |
| }; | |
| } | |
| // Example | |
| const a = {c: 1, b: "dkljfsd", d: 13, e: {c: 1, d: {c: 1}}}; | |
| const o1 = new SafeObject(a); | |
| const cloneO = o1.clone(); | |
| cloneO.c = 2; | |
| cloneO.e.c = 3; | |
| cloneO.e.d.c = 4; | |
| console.log(a); | |
| console.log(cloneO.e.c); | |
| console.log(cloneO.e.d.c); | |
| console.log(cloneO); |
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