The find function didn't check the first item in a array

[ghost]

vuex/src/util.js

Line 9 in b536fbd

export function find (list, f) {

example:
console.log(find([3, 1, 1, 2], (v) => v > 2)) // undefined

correct version:

function find (list, f) {
  const { length } = list
  let index = 0
  let value
  while (index < length) {
    value = list[index++]
    if (f(value, index, list)) {
      return value
    }
  }
}

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[jiraguha]

@ktsn why proposition made by @zach5078 to solve your initial code was not taken into account. I think it was a good idea. list.filter(f)[0] is slower especially when the element to find in the list has a low index. But I am sure that you agree ;-)

[jiraguha]

And you probably do not use the arr.find(callback(element[, index[, array]])[, thisArg]) because IE :-(