accessor

Higher-Order getter/setter functions.

npm install @wilmoore/accessor --save

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Example

basic

var assert = require('assert')
var accessor = require('@wilmoore/accessor')

var latitude = accessor(32.7229)
assert.equal(latitude(), 32.7229)
//=> undefined

latitude(45.49428)
assert.equal(latitude(), 45.49428)
//=> undefined

fluent interface

var assert = require('assert')
var accessor = require('@wilmoore/accessor')

// define

var address = {
  street: accessor('', address),
  city: accessor('', address),
  state: accessor('', address),
  zip: accessor('', address),
  country: accessor('', address)
}

// set

address
  .street('200 E Main Street')
  .city('Phoenix')
  .state('AZ')
  .zip('85123')
  .country('USA')

assert.equal(address.country(), 'USA')
//=> undefined

Features

• Supports method chaining.
• Supports optional default value.

API

accessor(initial, [context])

Arguments

• initial: (*) initial property value.
• [context]: (…Object) Value of this.

Returns

The returned accessor function returns stored value when invoked with 0 parameters. The returned accessor function stores the value passed as the first parameter.

• (Function) accessor function.
  • val: (*) input value.

Alternatives

• Object.defineProperty
• getter
• setter

Licenses