nornj-react/lib/extension/debounce.js

React bindings for NornJ template engine.

"use strict";

var _nornj = _interopRequireWildcard(require("nornj"));

var _react = _interopRequireWildcard(require("react"));

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

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _extends() { _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; }; return _extends.apply(this, arguments); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

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

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var DebounceWrapClass =
/*#__PURE__*/
function (_Component) {
  _inherits(DebounceWrapClass, _Component);

  function DebounceWrapClass(props) {
    var _this;

    _classCallCheck(this, DebounceWrapClass);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(DebounceWrapClass).call(this, props));
    _this.componentConfig = void 0;
    _this.changeEventName = void 0;
    _this.$this = void 0;
    _this.emitChangeDebounced = void 0;

    _this.emitChange = function (args) {
      _this.props[_this.changeEventName].apply(_this.$this, args);
    };

    _this.handleChange = _this.handleChange.bind(_assertThisInitialized(_this));
    var _this$props$debounceD = _this.props.debounceDirectiveOptions,
        tagName = _this$props$debounceD.tagName,
        $this = _this$props$debounceD.context.$this,
        directiveProps = _this$props$debounceD.props,
        value = _this$props$debounceD.value;

    var _args = directiveProps && directiveProps.arguments;

    _this.componentConfig = _nornj["default"].getComponentConfig(tagName) || {};
    _this.changeEventName = _args && _args[0].name || _this.componentConfig.changeEventName || 'onChange';
    _this.$this = $this;
    _this.emitChangeDebounced = (0, _utils.debounce)(_this.emitChange, value() || 100);
    return _this;
  }

  _createClass(DebounceWrapClass, [{
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      var prevValue = prevProps.debounceDirectiveOptions.value;
      var value = this.props.debounceDirectiveOptions.value;
      var newValue = value();

      if (newValue != null && newValue != prevValue()) {
        this.emitChangeDebounced = (0, _utils.debounce)(this.emitChange, newValue);
      }
    }
  }, {
    key: "handleChange",
    value: function handleChange(e) {
      // React pools events, so we read the value before debounce.
      // Alternately we could call `event.persist()` and pass the entire event.
      // For more info see reactjs.org/docs/events.html#event-pooling
      e && e.persist && e.persist();
      this.emitChangeDebounced(arguments);
    }
  }, {
    key: "render",
    value: function render() {
      var _this$props = this.props,
          DebounceTag = _this$props.DebounceTag,
          debounceDirectiveOptions = _this$props.debounceDirectiveOptions,
          innerRef = _this$props.innerRef,
          others = _objectWithoutProperties(_this$props, ["DebounceTag", "debounceDirectiveOptions", "innerRef"]);

      return _react["default"].createElement(DebounceTag, _extends({
        ref: innerRef
      }, others, _defineProperty({}, this.changeEventName, this.handleChange)));
    }
  }]);

  return DebounceWrapClass;
}(_react.Component);

var DebounceWrap = _react["default"].forwardRef(function (props, ref) {
  return _react["default"].createElement(DebounceWrapClass, _extends({
    innerRef: ref
  }, props));
});

(0, _nornj.registerExtension)('debounce', function (options) {
  var tagName = options.tagName,
      setTagName = options.setTagName,
      tagProps = options.tagProps;
  setTagName(DebounceWrap);
  tagProps.DebounceTag = tagName;
  tagProps.debounceDirectiveOptions = options;
}, {
  useExpressionInProps: true,
  onlyGlobal: true,
  isDirective: true
});