redux-form/lib/structure/plain/splice.js

A higher order component decorator for forms using Redux and React

"use strict";

exports.__esModule = true;
exports["default"] = void 0;

var splice = function splice(array, index, removeNum, value) {
  array = array || [];

  if (index < array.length) {
    if (value === undefined && !removeNum) {
      // inserting undefined
      var _copy2 = [].concat(array);

      _copy2.splice(index, 0, true); // temporary placeholder


      _copy2[index] = undefined; // set to undefined

      return _copy2;
    }

    if (value != null) {
      var _copy3 = [].concat(array);

      _copy3.splice(index, removeNum, value); // removing and adding


      return _copy3;
    }

    var _copy = [].concat(array);

    _copy.splice(index, removeNum); // removing


    return _copy;
  }

  if (removeNum) {
    // trying to remove non-existant item: return original array
    return array;
  } // trying to add outside of range: just set value


  var copy = [].concat(array);
  copy[index] = value;
  return copy;
};

var _default = splice;
exports["default"] = _default;