@deskpro/react-forms/lib/Input.js

Forms library for React

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = 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 _class, _temp; /**
                    * @copyright 2015, Prometheus Research, LLC
                    */

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _debounce = require('lodash/debounce');

var _debounce2 = _interopRequireDefault(_debounce);

var _noop = require('lodash/noop');

var _noop2 = _interopRequireDefault(_noop);

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; }

/**
 * Input component with debounce.
 */
var Input = (_temp = _class = function (_React$Component) {
  _inherits(Input, _React$Component);

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

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

    _this.onChange = function (e) {
      var value = void 0;
      if (e && e.target && 'value' in e.target) {
        value = e.target.value;
        if (value === '') {
          value = null;
        }
      } else {
        value = e;
      }
      _this._scheduleOnChange(value);
    };

    _this.onBlur = function (e) {
      _this.props.onBlur(e);
      if (_this._expectedValue !== undefined) {
        _this._finalizeOnChange();
        _this._cancelOnChange();
      }
    };

    _this.state = { value: props.value };
    _this._expectedValue = undefined;
    _this._finalizeOnChangeDebounced = props.debounce ? (0, _debounce2.default)(_this._finalizeOnChange.bind(_this), props.debounce) : _this._finalizeOnChange.bind(_this);
    return _this;
  }

  _createClass(Input, [{
    key: 'render',
    value: function render() {
      var _props = this.props,
          Component = _props.Component,
          debounceEnabled = _props.debounce,
          value = _props.value,
          props = _objectWithoutProperties(_props, ['Component', 'debounce', 'value']);

      if (debounceEnabled) {
        value = this.state.value;
      }
      return _react2.default.createElement(Component, _extends({}, props, {
        value: value,
        onChange: this.onChange,
        onBlur: this.onBlur }));
    }
  }, {
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      if (nextProps.value !== this._expectedValue) {
        if (nextProps.value !== this.props.value) {
          this._cancelOnChange();
          this.setState({ value: nextProps.value });
        }
      }
      if (nextProps.debounce !== this.props.debounce) {
        this._finalizeOnChange();
        this._cancelOnChange();
        this._finalizeOnChangeDebounced = nextProps.debounce ? (0, _debounce2.default)(this._finalizeOnChange.bind(this), nextProps.debounce) : this._finalizeOnChange.bind(this);
      }
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this._finalizeOnChange();
      this._cancelOnChange();
    }
  }, {
    key: '_scheduleOnChange',
    value: function _scheduleOnChange(value) {
      this.setState({ value: value });
      this._expectedValue = value;
      this._finalizeOnChangeDebounced();
    }
  }, {
    key: '_finalizeOnChange',
    value: function _finalizeOnChange() {
      if (this._expectedValue !== undefined) {
        var value = this._expectedValue;
        this._expectedValue = undefined;
        this.props.onChange(value);
      }
    }
  }, {
    key: '_cancelOnChange',
    value: function _cancelOnChange() {
      if (this._finalizeOnChangeDebounced.cancel) {
        this._expectedValue = undefined;
        this._finalizeOnChangeDebounced.cancel();
      }
    }
  }]);

  return Input;
}(_react2.default.Component), _class.propTypes = {
  Component: _propTypes2.default.oneOfType([_propTypes2.default.string, _propTypes2.default.func]),
  debounce: _propTypes2.default.number,
  value: _propTypes2.default.any,
  onChange: _propTypes2.default.func
}, _class.defaultProps = {
  Component: 'input',
  debounce: 100,
  onChange: _noop2.default,
  onBlur: _noop2.default
}, _temp);
exports.default = Input;