foreword/test/string/takeWhile.js

A JavaScript library for functional data transformation

const test = require('tape')
const { takeWhile } = require('../../string')

test('string takeWhile', t => {
  const result = takeWhile(x => x === 'm')('mmmhmmm')

  t.same(result, 'mmm')
  t.end()
})

test('string takeWhile: take all', t => {
  const result = takeWhile(x => x === 'm')('mmmmmmm')

  t.same(result, 'mmmmmmm')
  t.end()
})