87 lines
3.9 KiB
JavaScript
87 lines
3.9 KiB
JavaScript
'use strict';
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exports.__esModule = true;
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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; };
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var _react = require('react');
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var _react2 = _interopRequireDefault(_react);
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var _propTypes = require('prop-types');
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var _propTypes2 = _interopRequireDefault(_propTypes);
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var _reactDom = require('react-dom');
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var _reactDom2 = _interopRequireDefault(_reactDom);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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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; }
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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; }
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/*
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* A simple HOC that provides facility for listening to container resizes.
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*/
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var WidthProvider = function WidthProvider(ComposedComponent) {
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var _class, _temp2;
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return _temp2 = _class = function (_React$Component) {
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_inherits(_class, _React$Component);
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function _class() {
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var _temp, _this, _ret;
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_classCallCheck(this, _class);
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for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
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args[_key] = arguments[_key];
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}
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return _ret = (_temp = (_this = _possibleConstructorReturn(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.state = {
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width: 1280
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}, _this.mounted = false, _this.onWindowResize = function (_event) {
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if (!_this.mounted) return;
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var node = _reactDom2.default.findDOMNode(_this); // Flow casts this to Text | Element
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if (node instanceof HTMLElement) _this.setState({ width: node.offsetWidth });
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}, _temp), _possibleConstructorReturn(_this, _ret);
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}
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_class.prototype.componentDidMount = function componentDidMount() {
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this.mounted = true;
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window.addEventListener('resize', this.onWindowResize);
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// Call to properly set the breakpoint and resize the elements.
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// Note that if you're doing a full-width element, this can get a little wonky if a scrollbar
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// appears because of the grid. In that case, fire your own resize event, or set `overflow: scroll` on your body.
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this.onWindowResize();
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};
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_class.prototype.componentWillUnmount = function componentWillUnmount() {
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this.mounted = false;
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window.removeEventListener('resize', this.onWindowResize);
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};
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_class.prototype.render = function render() {
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if (this.props.measureBeforeMount && !this.mounted) {
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return _react2.default.createElement('div', { className: this.props.className, style: this.props.style });
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}
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return _react2.default.createElement(ComposedComponent, _extends({}, this.props, this.state));
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};
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return _class;
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}(_react2.default.Component), _class.defaultProps = {
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measureBeforeMount: false
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}, _class.propTypes = {
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// If true, will not render children until mounted. Useful for getting the exact width before
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// rendering, to prevent any unsightly resizing.
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measureBeforeMount: _propTypes2.default.bool
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}, _temp2;
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};
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exports.default = WidthProvider; |