rambdax/src/takeUntil.js

Extended version of Rambda - a lightweight, faster alternative to Ramda

export function takeUntil(predicate, list){
  const toReturn = []
  let stopFlag = false
  let counter = -1

  while (stopFlag === false && counter++ < list.length - 1){
    if (predicate(list[ counter ])){
      stopFlag = true
    } else {
      toReturn.push(list[ counter ])
    }
  }

  return toReturn
}