find getters javascript

find-getters.js

import traverse from 'traverse'

const findGetters = obj => {
  const getters = []
  traverse(obj).forEach(function (x) {
    if (this.isRoot) {
      return
    }
    const descriptor = Object.getOwnPropertyDescriptor(
      this.parent.node,
      this.key
    )

    if (descriptor.get) {
      getters.push(this.path.join('.'))
    }
  })
  return getters
}

export default findGetters

find-getters.spec.js

import findGetters from './find-getters'
import test from 'ava'

test('finds', t => {
  const def = {
    a: 1,
    b: 2,
    get sum () {
      return this.a + this.b
    },
    get sum2 () {
      return this.a + this.b
    }
  }
  t.deepEqual(findGetters(def), ['sum', 'sum2'])
})