react-jsonschema/lib/reducers.js

React forms with JSONSchema

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.addValueToState = addValueToState;
exports.deleteIndexFromState = deleteIndexFromState;

var _lodash = require('lodash');

var _types = require('./constants/types');

var _types2 = _interopRequireDefault(_types);

var _utils = require('./utils');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

/**
 * Takes a current state, and adds a new value in the state array.
 *
 * @param {Array} state - The current state to modify
 * @param {Object} action - The action payload
 * @param {String} action.path - The path to the array in the state object
 * @param {Object} action.schema - The schema to parse against
 * @return {Array} The new state
 */
function addValueToState(state, action) {
  var newState = (0, _lodash.cloneDeep)(state);
  var newArray = (0, _lodash.result)(newState, action.path);
  switch (action.schema.type) {
    case _types2.default.ARRAY:
      newArray.push((0, _utils.getDefaultState)(action.schema.items));
      break;
    default:
    // do nothing
  }
  (0, _lodash.set)(newState, action.path, newArray);
  return newState;
}

/**
 * Takes a current state, and removes a value specified at the given
 * index and path to the array in the state object.
 *
 * @param {Object} state - The current state to modify
 * @param {Object} action - The action payload
 * @param {Number} action.index - The index of the value to remove
 * @param {String} action.path - The path to the array in the state object
 * @return {Object} The new state
 */
function deleteIndexFromState(state, action) {
  var newState = (0, _lodash.cloneDeep)(state);
  var values = (0, _lodash.result)(newState, action.path);
  var newArray = [].concat(_toConsumableArray(values.slice(0, action.index)), _toConsumableArray(values.slice(action.index + 1)));
  (0, _lodash.set)(newState, action.path, newArray);
  return newState;
}