react-height
Version:
Component-wrapper to determine and report children elements height
280 lines (240 loc) • 12 kB
JavaScript
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(require("React"));
else if(typeof define === 'function' && define.amd)
define(["React"], factory);
else if(typeof exports === 'object')
exports["ReactHeight"] = factory(require("React"));
else
root["ReactHeight"] = factory(root["React"]);
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/******/ ([
/* 0 */
/***/ (function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE__0__;
/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {
var _require = __webpack_require__(2),
ReactHeight = _require.ReactHeight;
ReactHeight.ReactHeight = ReactHeight;
module.exports = ReactHeight;
/***/ }),
/* 2 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ReactHeight", function() { return ReactHeight; });
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(0);
/* harmony import */ var react__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_0__);
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 _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); }
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; }
var getElementHeightDefault = function getElementHeightDefault(el) {
return el.clientHeight;
};
var ReactHeight =
/*#__PURE__*/
function (_PureComponent) {
_inherits(ReactHeight, _PureComponent);
function ReactHeight(props) {
var _this;
_classCallCheck(this, ReactHeight);
_this = _possibleConstructorReturn(this, _getPrototypeOf(ReactHeight).call(this, props));
_defineProperty(_assertThisInitialized(_this), "setWrapperRef", function (el) {
_this.wrapper = el;
});
_this.state = {
dirty: props.dirty,
height: 0
};
return _this;
}
_createClass(ReactHeight, [{
key: "componentDidMount",
value: function componentDidMount() {
var _this2 = this;
var getElementHeight = this.props.getElementHeight;
var height = getElementHeight(this.wrapper);
var dirty = false;
this.setState({
height: height,
dirty: dirty
}, function () {
var onHeightReady = _this2.props.onHeightReady;
var currentHeight = _this2.state.height;
onHeightReady(currentHeight);
});
} // eslint-disable-next-line react/no-deprecated
}, {
key: "componentWillReceiveProps",
value: function componentWillReceiveProps(_ref) {
var children = _ref.children,
dirty = _ref.dirty;
var oldChildren = this.props.children;
if (children !== oldChildren || dirty) {
this.setState({
dirty: true
});
}
}
}, {
key: "componentDidUpdate",
value: function componentDidUpdate() {
var _this3 = this;
var getElementHeight = this.props.getElementHeight;
var height = getElementHeight(this.wrapper);
var dirty = false;
var currentSavedHeight = this.state.height;
if (height === currentSavedHeight) {
// eslint-disable-next-line react/no-did-update-set-state
this.setState({
dirty: dirty
});
} else {
// eslint-disable-next-line react/no-did-update-set-state
this.setState({
height: height,
dirty: dirty
}, function () {
var onHeightReady = _this3.props.onHeightReady;
var currentHeight = _this3.state.height;
onHeightReady(currentHeight);
});
}
}
}, {
key: "render",
value: function render() {
var _this$props = this.props,
_onHeightReady = _this$props.onHeightReady,
_getElementHeight = _this$props.getElementHeight,
_dirty = _this$props.dirty,
hidden = _this$props.hidden,
children = _this$props.children,
props = _objectWithoutProperties(_this$props, ["onHeightReady", "getElementHeight", "dirty", "hidden", "children"]);
var dirty = this.state.dirty;
if (hidden && !dirty) {
return null;
}
if (hidden) {
return react__WEBPACK_IMPORTED_MODULE_0___default.a.createElement("div", {
style: {
height: 0,
overflow: 'hidden'
}
}, react__WEBPACK_IMPORTED_MODULE_0___default.a.createElement("div", _extends({
ref: this.setWrapperRef
}, props), children));
}
return react__WEBPACK_IMPORTED_MODULE_0___default.a.createElement("div", _extends({
ref: this.setWrapperRef
}, props), children);
}
}]);
return ReactHeight;
}(react__WEBPACK_IMPORTED_MODULE_0__["PureComponent"]);
_defineProperty(ReactHeight, "defaultProps", {
hidden: false,
dirty: true,
getElementHeight: getElementHeightDefault
});
/***/ })
/******/ ]);
});