react-virtualized
Version:
React components for efficiently rendering large, scrollable lists and tabular data
215 lines (172 loc) • 9.37 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _getPrototypeOf3 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var React = _interopRequireWildcard(require("react"));
var _detectElementResize = _interopRequireDefault(require("../vendor/detectElementResize"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _class, _temp;
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
var AutoSizer = (_temp = _class =
/*#__PURE__*/
function (_React$Component) {
(0, _inherits2["default"])(AutoSizer, _React$Component);
function AutoSizer() {
var _getPrototypeOf2;
var _this;
(0, _classCallCheck2["default"])(this, AutoSizer);
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
_this = (0, _possibleConstructorReturn2["default"])(this, (_getPrototypeOf2 = (0, _getPrototypeOf3["default"])(AutoSizer)).call.apply(_getPrototypeOf2, [this].concat(args)));
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "state", {
height: _this.props.defaultHeight || 0,
width: _this.props.defaultWidth || 0
});
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "_parentNode", void 0);
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "_autoSizer", void 0);
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "_window", void 0);
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "_detectElementResize", void 0);
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_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
});
}
}
});
(0, _defineProperty2["default"])((0, _assertThisInitialized2["default"])(_this), "_setRef", function (autoSizer) {
_this._autoSizer = autoSizer;
});
return _this;
}
(0, _createClass2["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, _detectElementResize["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 _this$props2 = this.props,
children = _this$props2.children,
className = _this$props2.className,
disableHeight = _this$props2.disableHeight,
disableWidth = _this$props2.disableWidth,
style = _this$props2.style;
var _this$state = this.state,
height = _this$state.height,
width = _this$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: _objectSpread({}, outerStyle, {}, style)
}, children(childParams));
}
}]);
return AutoSizer;
}(React.Component), (0, _defineProperty2["default"])(_class, "propTypes", process.env.NODE_ENV === 'production' ? null : {
/** Function responsible for rendering children.*/
"children": _propTypes["default"].func.isRequired,
/** Optional custom CSS class name to attach to root AutoSizer element. */
"className": _propTypes["default"].string,
/** Default height to use for initial render; useful for SSR */
"defaultHeight": _propTypes["default"].number,
/** Default width to use for initial render; useful for SSR */
"defaultWidth": _propTypes["default"].number,
/** Disable dynamic :height property */
"disableHeight": _propTypes["default"].bool.isRequired,
/** Disable dynamic :width property */
"disableWidth": _propTypes["default"].bool.isRequired,
/** Nonce of the inlined stylesheet for Content Security Policy */
"nonce": _propTypes["default"].string,
/** Callback to be invoked on-resize */
"onResize": _propTypes["default"].func.isRequired,
/** Optional inline style */
"style": _propTypes["default"].object
}), _temp);
exports["default"] = AutoSizer;
(0, _defineProperty2["default"])(AutoSizer, "defaultProps", {
onResize: function onResize() {},
disableHeight: false,
disableWidth: false,
style: {}
});