elliptical/lib-browser/phrases/choice.js

Interactive natural-language interfaces

'use strict';

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

var _regenerator = require('babel-runtime/regenerator');

var _regenerator2 = _interopRequireDefault(_regenerator);

var _defineProperty2 = require('babel-runtime/helpers/defineProperty');

var _defineProperty3 = _interopRequireDefault(_defineProperty2);

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

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

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

var _marked = [traverseChild, childrenTraversals, visit].map(_regenerator2.default.mark);

function traverseChild(option, child, traverse) {
  var childOutputs, _iteratorNormalCompletion, _didIteratorError, _iteratorError, _iterator, _step, output, newResult, mods;

  return _regenerator2.default.wrap(function traverseChild$(_context) {
    while (1) {
      switch (_context.prev = _context.next) {
        case 0:
          childOutputs = traverse(child, option);

          // slight performance optimization

          if (!(child.props.id == null)) {
            _context.next = 5;
            break;
          }

          return _context.delegateYield(childOutputs, 't0', 3);

        case 3:
          _context.next = 33;
          break;

        case 5:
          _iteratorNormalCompletion = true;
          _didIteratorError = false;
          _iteratorError = undefined;
          _context.prev = 8;
          _iterator = childOutputs[Symbol.iterator]();

        case 10:
          if (_iteratorNormalCompletion = (_step = _iterator.next()).done) {
            _context.next = 19;
            break;
          }

          output = _step.value;
          newResult = child.props.id != null ? (0, _defineProperty3.default)({}, child.props.id, output.result) : output.result;
          mods = { result: newResult };
          _context.next = 16;
          return _lodash2.default.assign({}, output, mods);

        case 16:
          _iteratorNormalCompletion = true;
          _context.next = 10;
          break;

        case 19:
          _context.next = 25;
          break;

        case 21:
          _context.prev = 21;
          _context.t1 = _context['catch'](8);
          _didIteratorError = true;
          _iteratorError = _context.t1;

        case 25:
          _context.prev = 25;
          _context.prev = 26;

          if (!_iteratorNormalCompletion && _iterator.return) {
            _iterator.return();
          }

        case 28:
          _context.prev = 28;

          if (!_didIteratorError) {
            _context.next = 31;
            break;
          }

          throw _iteratorError;

        case 31:
          return _context.finish(28);

        case 32:
          return _context.finish(25);

        case 33:
        case 'end':
          return _context.stop();
      }
    }
  }, _marked[0], this, [[8, 21, 25, 33], [26,, 28, 32]]);
}

function childrenTraversals(option, children, traverse) {
  var _iteratorNormalCompletion2, _didIteratorError2, _iteratorError2, _iterator2, _step2, child;

  return _regenerator2.default.wrap(function childrenTraversals$(_context2) {
    while (1) {
      switch (_context2.prev = _context2.next) {
        case 0:
          if (!(children && children.length > 0)) {
            _context2.next = 27;
            break;
          }

          _iteratorNormalCompletion2 = true;
          _didIteratorError2 = false;
          _iteratorError2 = undefined;
          _context2.prev = 4;
          _iterator2 = children[Symbol.iterator]();

        case 6:
          if (_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done) {
            _context2.next = 13;
            break;
          }

          child = _step2.value;
          _context2.next = 10;
          return traverseChild(option, child, traverse);

        case 10:
          _iteratorNormalCompletion2 = true;
          _context2.next = 6;
          break;

        case 13:
          _context2.next = 19;
          break;

        case 15:
          _context2.prev = 15;
          _context2.t0 = _context2['catch'](4);
          _didIteratorError2 = true;
          _iteratorError2 = _context2.t0;

        case 19:
          _context2.prev = 19;
          _context2.prev = 20;

          if (!_iteratorNormalCompletion2 && _iterator2.return) {
            _iterator2.return();
          }

        case 22:
          _context2.prev = 22;

          if (!_didIteratorError2) {
            _context2.next = 25;
            break;
          }

          throw _iteratorError2;

        case 25:
          return _context2.finish(22);

        case 26:
          return _context2.finish(19);

        case 27:
        case 'end':
          return _context2.stop();
      }
    }
  }, _marked[1], this, [[4, 15, 19, 27], [20,, 22, 26]]);
}

function visit(option, _ref2, traverse) {
  var props = _ref2.props;
  var children = _ref2.children;
  var traversals;
  return _regenerator2.default.wrap(function visit$(_context3) {
    while (1) {
      switch (_context3.prev = _context3.next) {
        case 0:
          traversals = childrenTraversals(option, children, traverse);
          return _context3.delegateYield((0, _utils.limitIterator)(traversals, props.limit), 't0', 2);

        case 2:
        case 'end':
          return _context3.stop();
      }
    }
  }, _marked[2], this);
}

exports.default = { visit: visit };