frequencies

A javscript port of clojure.core/frequencies

Installation

$ npm install --save @nicktomlin/frequencies

Usage

const assert = require('assert')
const frequencies = require('@nicktomlin/frequencies');

// works with strings (splitting on '')
assert.deepEqual(frequencies('EEeek!'), { '!': 1, e: 4, k: 1 })
assert.deepEqual(frequencies('EE ee k!'), { '!': 1, e: 4, k: 1 })

// works with arrays
assert.deepEqual(
  frequencies(['three', 'three', 'two', 'two', 'one', 'three']),
  { three: 3, two: 2, one: 1 }
)

License

MIT © Nick Tomlin