Copy a descriptor from object A to object B
npm install copy-descriptorCopy a descriptor from object A to object B
Install with npm:
``sh`
$ npm install copy-descriptor --save
`js`
var copy = require('copy-descriptor');
Copy a descriptor from one object to another.
Params
* receiver {Object}: The target objectprovider
* {Object}: The provider objectfrom
* {String}: The key to copy on provider.to
* {String}: Optionally specify a new key name to use.returns
* {Object}
Example
`js
function App() {
this.cache = {};
}
App.prototype.set = function(key, val) {
this.cache[key] = val;
return this;
};
Object.defineProperty(App.prototype, 'count', {
get: function() {
return Object.keys(this.cache).length;
}
});
copy(App.prototype, 'count', 'len');
// create an instance
var app = new App();
app.set('a', true);
app.set('b', true);
app.set('c', true);
console.log(app.count);
//=> 3
console.log(app.len);
//=> 3
`
You might also be interested in these projects:
* is-accessor-descriptor: Returns true if a value has the characteristics of a valid JavaScript accessor descriptor. | homepage
* is-data-descriptor: Returns true if a value has the characteristics of a valid JavaScript data descriptor. | homepage
* is-descriptor: Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for… more | homepage
* is-plain-object: Returns true if an object was created by the Object constructor. | Object constructor."" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">homepage
* isobject: Returns true if the value is an object and not an array or null. | homepage
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Generate readme and API documentation with verb:
`sh`
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Install dev dependencies:
`sh``
$ npm install -d && npm test
Jon Schlinkert
* github/jonschlinkert
* twitter/jonschlinkert
Copyright © 2016, Jon Schlinkert.
Released under the MIT license.
*
_This file was generated by verb, v0.9.0, on June 09, 2016._