choo-shortcache/example/node_modules/remove-array-items/index.js

choo nanocomponent cache shortcut

'use strict'

/**
 * Remove a range of items from an array
 *
 * @function removeItems
 * @param {Array<*>} arr The target array
 * @param {number} startIdx The index to begin removing from (inclusive)
 * @param {number} removeCount How many items to remove
 */
module.exports = function removeItems(arr, startIdx, removeCount)
{
  var i, length = arr.length

  if (startIdx >= length || removeCount === 0) {
    return
  }

  removeCount = (startIdx + removeCount > length ? length - startIdx : removeCount)

  var len = length - removeCount

  for (i = startIdx; i < len; ++i) {
    arr[i] = arr[i + removeCount]
  }

  arr.length = len
}