@eluvio/elv-js-helpers/test/unit/src/Functional/mapWithIndex.test.js

A collection of Javascript helper functions used by several Eluvio libraries.

const TH = require('../../../test-helpers')
const mapWithIndex = TH.requireSrcFile('Functional/mapWithIndex')

describe('mapWithIndex', () => {
  it('should work as expected', () => {
    mapWithIndex((e, i) => `${e}-${i}`, ['a', 'b', 'c']).should.eql(['a-0', 'b-1', 'c-2'])
  })

  it('should be curried', () => {
    const addIndexSuffix = mapWithIndex((e, i) => `${e}-${i}`)
    addIndexSuffix(['a', 'b', 'c']).should.eql(['a-0', 'b-1', 'c-2'])
  })
})