@nhz.io/ref-node

"Value reference node" Class

Install

npm i -S @nhz.io/ref-node

Class: RefNode

new RefNode(root, path)

• root - {Array | Object}
• path - {Array<String | Number>}

Creates a reference node for the root object at the given path.

• With root: {a: {b: 'foo'}} and path: ['a', 'b'], the node will reference 'foo' value of the a.b Object

• With root; {a: b: [null, 'bar']} and path: ['a', 'b', 1], the node will reference 'bar' value of the a.b Array at index 1

Properties

• root - Root getter/setter
• parent - Parent getter
• path - Path getter/setter
• key - Key getter/setter
• resolves - Resolves getter

Example

Object key reference

const RefNode = require('@nhz.io/ref-node')
const root = {a: {b: 'foobar'}}
const node = new RefNode(root, ['a', 'b'])
console.log(node.value) // Prints 'foobar'
node.value = 'barfoo'
console.log(root.a.b) // Prints 'barfoo'

Array element reference

const RefNode = require('@nhz.io/ref-node')
const root = {a: {b: [null, 'foobar']}}
const node = new RefNode(root, ['a', 'b', 1])
console.log(node.value) // Prints 'foobar'
node.value = 'barfoo'
console.log(root.a.b[1]) // Prints 'barfoo'