react-select/lib/Async.js

A Select control built with and for ReactJS

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.makeAsyncSelect = exports.defaultProps = undefined;

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _Select = require('./Select');

var _Select2 = _interopRequireDefault(_Select);

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

var _stateManager = require('./stateManager');

var _stateManager2 = _interopRequireDefault(_stateManager);

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

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var defaultProps = exports.defaultProps = {
  cacheOptions: false,
  defaultOptions: false
};

var makeAsyncSelect = function makeAsyncSelect(SelectComponent) {
  var _class, _temp;

  return _temp = _class = function (_Component) {
    _inherits(Async, _Component);

    function Async(props) {
      _classCallCheck(this, Async);

      var _this = _possibleConstructorReturn(this, (Async.__proto__ || Object.getPrototypeOf(Async)).call(this));

      _this.mounted = false;
      _this.optionsCache = {};

      _this.handleInputChange = function (newValue, actionMeta) {
        var _this$props = _this.props,
            cacheOptions = _this$props.cacheOptions,
            onInputChange = _this$props.onInputChange;
        // TODO

        var inputValue = (0, _utils.handleInputChange)(newValue, actionMeta, onInputChange);
        if (!inputValue) {
          delete _this.lastRequest;
          _this.setState({
            inputValue: '',
            loadedInputValue: '',
            loadedOptions: [],
            isLoading: false,
            passEmptyOptions: false
          });
          return;
        }
        if (cacheOptions && _this.optionsCache[inputValue]) {
          _this.setState({
            inputValue: inputValue,
            loadedInputValue: inputValue,
            loadedOptions: _this.optionsCache[inputValue],
            isLoading: false,
            passEmptyOptions: false
          });
        } else {
          var request = _this.lastRequest = {};
          _this.setState({
            inputValue: inputValue,
            isLoading: true,
            passEmptyOptions: !_this.state.loadedInputValue
          }, function () {
            _this.loadOptions(inputValue, function (options) {
              if (!_this.mounted) return;
              if (options) {
                _this.optionsCache[inputValue] = options;
              }
              if (request !== _this.lastRequest) return;
              delete _this.lastRequest;
              _this.setState({
                isLoading: false,
                loadedInputValue: inputValue,
                loadedOptions: options || [],
                passEmptyOptions: false
              });
            });
          });
        }
        return inputValue;
      };

      _this.state = {
        defaultOptions: Array.isArray(props.defaultOptions) ? props.defaultOptions : undefined,
        inputValue: '',
        isLoading: props.defaultOptions === true ? true : false,
        loadedOptions: [],
        passEmptyOptions: false
      };
      return _this;
    }

    _createClass(Async, [{
      key: 'componentDidMount',
      value: function componentDidMount() {
        var _this2 = this;

        this.mounted = true;
        var defaultOptions = this.props.defaultOptions;

        if (defaultOptions === true) {
          this.loadOptions('', function (options) {
            if (!_this2.mounted) return;
            var isLoading = !!_this2.lastRequest;
            _this2.setState({ defaultOptions: options || [], isLoading: isLoading });
          });
        }
      }
    }, {
      key: 'componentWillReceiveProps',
      value: function componentWillReceiveProps(nextProps) {
        // if the cacheOptions prop changes, clear the cache
        if (nextProps.cacheOptions !== this.props.cacheOptions) {
          this.optionsCache = {};
        }
        if (nextProps.defaultOptions !== this.props.defaultOptions) {
          this.setState({
            defaultOptions: Array.isArray(nextProps.defaultOptions) ? nextProps.defaultOptions : undefined
          });
        }
      }
    }, {
      key: 'componentWillUnmount',
      value: function componentWillUnmount() {
        this.mounted = false;
      }
    }, {
      key: 'focus',
      value: function focus() {
        this.select.focus();
      }
    }, {
      key: 'blur',
      value: function blur() {
        this.select.blur();
      }
    }, {
      key: 'loadOptions',
      value: function loadOptions(inputValue, callback) {
        var loadOptions = this.props.loadOptions;

        if (!loadOptions) return callback();
        var loader = loadOptions(inputValue, callback);
        if (loader && typeof loader.then === 'function') {
          loader.then(callback, function () {
            return callback();
          });
        }
      }
    }, {
      key: 'render',
      value: function render() {
        var _this3 = this;

        var _props = this.props,
            loadOptions = _props.loadOptions,
            props = _objectWithoutProperties(_props, ['loadOptions']);

        var _state = this.state,
            defaultOptions = _state.defaultOptions,
            inputValue = _state.inputValue,
            isLoading = _state.isLoading,
            loadedInputValue = _state.loadedInputValue,
            loadedOptions = _state.loadedOptions,
            passEmptyOptions = _state.passEmptyOptions;

        var options = passEmptyOptions ? [] : inputValue && loadedInputValue ? loadedOptions : defaultOptions || [];
        return (
          // $FlowFixMe
          _react2.default.createElement(SelectComponent, _extends({}, props, {
            filterOption: this.props.filterOption || null,
            ref: function ref(_ref) {
              _this3.select = _ref;
            },
            options: options,
            isLoading: isLoading,
            onInputChange: this.handleInputChange
          }))
        );
      }
    }]);

    return Async;
  }(_react.Component), _class.defaultProps = defaultProps, _temp;
};

exports.makeAsyncSelect = makeAsyncSelect;
exports.default = makeAsyncSelect((0, _stateManager2.default)(_Select2.default));