130 lines
3.6 KiB
JavaScript
130 lines
3.6 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');
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var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
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var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
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var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
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var _createClass2 = require('babel-runtime/helpers/createClass');
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var _createClass3 = _interopRequireDefault(_createClass2);
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var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
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var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
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var _inherits2 = require('babel-runtime/helpers/inherits');
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var _inherits3 = _interopRequireDefault(_inherits2);
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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 _reactEventListener = require('react-event-listener');
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var _reactEventListener2 = _interopRequireDefault(_reactEventListener);
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var _stifle = require('stifle');
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var _stifle2 = _interopRequireDefault(_stifle);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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var styles = {
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width: '100px',
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height: '100px',
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position: 'absolute',
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top: '-100000px',
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overflow: 'scroll',
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msOverflowStyle: 'scrollbar'
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};
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var ScrollbarSize = function (_Component) {
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(0, _inherits3.default)(ScrollbarSize, _Component);
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function ScrollbarSize() {
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var _ref;
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var _temp, _this, _ret;
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(0, _classCallCheck3.default)(this, ScrollbarSize);
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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 = (0, _possibleConstructorReturn3.default)(this, (_ref = ScrollbarSize.__proto__ || (0, _getPrototypeOf2.default)(ScrollbarSize)).call.apply(_ref, [this].concat(args))), _this), _this.setMeasurements = function () {
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_this.scrollbarHeight = _this.node.offsetHeight - _this.node.clientHeight;
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_this.scrollbarWidth = _this.node.offsetWidth - _this.node.clientWidth;
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}, _this.handleResize = (0, _stifle2.default)(function () {
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var onChange = _this.props.onChange;
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var prevHeight = _this.scrollbarHeight;
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var prevWidth = _this.scrollbarWidth;
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_this.setMeasurements();
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if (prevHeight !== _this.scrollbarHeight || prevWidth !== _this.scrollbarWidth) {
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onChange({ scrollbarHeight: _this.scrollbarHeight, scrollbarWidth: _this.scrollbarWidth });
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}
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}, 166), _temp), (0, _possibleConstructorReturn3.default)(_this, _ret);
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}
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(0, _createClass3.default)(ScrollbarSize, [{
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key: 'componentDidMount',
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value: function componentDidMount() {
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var onLoad = this.props.onLoad;
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if (onLoad) {
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this.setMeasurements();
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onLoad({ scrollbarHeight: this.scrollbarHeight, scrollbarWidth: this.scrollbarWidth });
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}
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}
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}, {
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key: 'componentWillUnmount',
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value: function componentWillUnmount() {
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this.handleResize.cancel();
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}
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}, {
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key: 'render',
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// Corresponds to 10 frames at 60 Hz.
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value: function render() {
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var _this2 = this;
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var onChange = this.props.onChange;
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return _react2.default.createElement(
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'div',
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null,
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onChange ? _react2.default.createElement(_reactEventListener2.default, { target: 'window', onResize: this.handleResize }) : null,
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_react2.default.createElement('div', {
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style: styles,
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ref: function ref(node) {
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_this2.node = node;
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}
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})
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);
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}
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}]);
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return ScrollbarSize;
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}(_react.Component);
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ScrollbarSize.defaultProps = {
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onLoad: null,
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onChange: null
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};
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exports.default = ScrollbarSize; |