Function cloneArray

packages/westore-example/miniprogram_npm/rfdc/index.js:25–42

(a, fn)

  return opts.proto ? cloneProto : clone

  function cloneArray (a, fn) {
    var keys = Object.keys(a)
    var a2 = new Array(keys.length)
    for (var i = 0; i < keys.length; i++) {
      var k = keys[i]
      var cur = a[k]
      if (typeof cur !== 'object' || cur === null) {
        a2[k] = cur
      } else if (cur instanceof Date) {
        a2[k] = new Date(cur)
      } else if (ArrayBuffer.isView(cur)) {
        a2[k] = copyBuffer(cur)
      } else {
        a2[k] = fn(cur)
      }
    }
    return a2
  }

  function clone (o) {
    if (typeof o !== 'object' || o === null) return o