react-virtualized
Version:
React components for efficiently rendering large, scrollable lists and tabular data
229 lines (167 loc) • 8.14 kB
JavaScript
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends2 = require('babel-runtime/helpers/extends');
var _extends3 = _interopRequireDefault(_extends2);
var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');
var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _createClass2 = require('babel-runtime/helpers/createClass');
var _createClass3 = _interopRequireDefault(_createClass2);
var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
var _inherits2 = require('babel-runtime/helpers/inherits');
var _inherits3 = _interopRequireDefault(_inherits2);
var _react = require('react');
var React = _interopRequireWildcard(_react);
var _detectElementResize = require('../vendor/detectElementResize');
var _detectElementResize2 = _interopRequireDefault(_detectElementResize);
var _propTypes = require('prop-types');
var _propTypes2 = _interopRequireDefault(_propTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var AutoSizer = function (_React$PureComponent) {
(0, _inherits3.default)(AutoSizer, _React$PureComponent);
function AutoSizer() {
var _ref;
var _temp, _this, _ret;
(0, _classCallCheck3.default)(this, AutoSizer);
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return _ret = (_temp = (_this = (0, _possibleConstructorReturn3.default)(this, (_ref = AutoSizer.__proto__ || (0, _getPrototypeOf2.default)(AutoSizer)).call.apply(_ref, [this].concat(args))), _this), _this.state = {
height: _this.props.defaultHeight || 0,
width: _this.props.defaultWidth || 0
}, _this._onResize = function () {
var _this$props = _this.props,
disableHeight = _this$props.disableHeight,
disableWidth = _this$props.disableWidth,
onResize = _this$props.onResize;
if (_this._parentNode) {
// Guard against AutoSizer component being removed from the DOM immediately after being added.
// This can result in invalid style values which can result in NaN values if we don't handle them.
// See issue #150 for more context.
var _height = _this._parentNode.offsetHeight || 0;
var _width = _this._parentNode.offsetWidth || 0;
var win = _this._window || window;
var _style = win.getComputedStyle(_this._parentNode) || {};
var paddingLeft = parseInt(_style.paddingLeft, 10) || 0;
var paddingRight = parseInt(_style.paddingRight, 10) || 0;
var paddingTop = parseInt(_style.paddingTop, 10) || 0;
var paddingBottom = parseInt(_style.paddingBottom, 10) || 0;
var newHeight = _height - paddingTop - paddingBottom;
var newWidth = _width - paddingLeft - paddingRight;
if (!disableHeight && _this.state.height !== newHeight || !disableWidth && _this.state.width !== newWidth) {
_this.setState({
height: _height - paddingTop - paddingBottom,
width: _width - paddingLeft - paddingRight
});
onResize({ height: _height, width: _width });
}
}
}, _this._setRef = function (autoSizer) {
_this._autoSizer = autoSizer;
}, _temp), (0, _possibleConstructorReturn3.default)(_this, _ret);
} // uses any instead of Window because Flow doesn't have window type
(0, _createClass3.default)(AutoSizer, [{
key: 'componentDidMount',
value: function componentDidMount() {
var nonce = this.props.nonce;
if (this._autoSizer && this._autoSizer.parentNode && this._autoSizer.parentNode.ownerDocument && this._autoSizer.parentNode.ownerDocument.defaultView && this._autoSizer.parentNode instanceof this._autoSizer.parentNode.ownerDocument.defaultView.HTMLElement) {
// Delay access of parentNode until mount.
// This handles edge-cases where the component has already been unmounted before its ref has been set,
// As well as libraries like react-lite which have a slightly different lifecycle.
this._parentNode = this._autoSizer.parentNode;
this._window = this._autoSizer.parentNode.ownerDocument.defaultView;
// Defer requiring resize handler in order to support server-side rendering.
// See issue #41
this._detectElementResize = (0, _detectElementResize2.default)(nonce, this._window);
this._detectElementResize.addResizeListener(this._parentNode, this._onResize);
this._onResize();
}
}
}, {
key: 'componentWillUnmount',
value: function componentWillUnmount() {
if (this._detectElementResize && this._parentNode) {
this._detectElementResize.removeResizeListener(this._parentNode, this._onResize);
}
}
}, {
key: 'render',
value: function render() {
var _props = this.props,
children = _props.children,
className = _props.className,
disableHeight = _props.disableHeight,
disableWidth = _props.disableWidth,
style = _props.style;
var _state = this.state,
height = _state.height,
width = _state.width;
// Outer div should not force width/height since that may prevent containers from shrinking.
// Inner component should overflow and use calculated width/height.
// See issue #68 for more information.
var outerStyle = { overflow: 'visible' };
var childParams = {};
if (!disableHeight) {
outerStyle.height = 0;
childParams.height = height;
}
if (!disableWidth) {
outerStyle.width = 0;
childParams.width = width;
}
/**
* TODO: Avoid rendering children before the initial measurements have been collected.
* At best this would just be wasting cycles.
* Add this check into version 10 though as it could break too many ref callbacks in version 9.
* Note that if default width/height props were provided this would still work with SSR.
if (
height !== 0 &&
width !== 0
) {
child = children({ height, width })
}
*/
return React.createElement(
'div',
{
className: className,
ref: this._setRef,
style: (0, _extends3.default)({}, outerStyle, style) },
children(childParams)
);
}
}]);
return AutoSizer;
}(React.PureComponent);
AutoSizer.defaultProps = {
onResize: function onResize() {},
disableHeight: false,
disableWidth: false,
style: {}
};
AutoSizer.propTypes = process.env.NODE_ENV === 'production' ? null : {
/** Function responsible for rendering children.*/
children: _propTypes2.default.func.isRequired,
/** Optional custom CSS class name to attach to root AutoSizer element. */
className: _propTypes2.default.string,
/** Default height to use for initial render; useful for SSR */
defaultHeight: _propTypes2.default.number,
/** Default width to use for initial render; useful for SSR */
defaultWidth: _propTypes2.default.number,
/** Disable dynamic :height property */
disableHeight: _propTypes2.default.bool.isRequired,
/** Disable dynamic :width property */
disableWidth: _propTypes2.default.bool.isRequired,
/** Nonce of the inlined stylesheet for Content Security Policy */
nonce: _propTypes2.default.string,
/** Callback to be invoked on-resize */
onResize: _propTypes2.default.func.isRequired,
/** Optional inline style */
style: _propTypes2.default.object
};
exports.default = AutoSizer;