Initial commit

node_modules/react-overlays/lib/AutoAffix.js

@@ -0,0 +1,256 @@
+'use strict';
+
+exports.__esModule = true;
+
+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; };
+
+var _offset = require('dom-helpers/query/offset');
+
+var _offset2 = _interopRequireDefault(_offset);
+
+var _requestAnimationFrame = require('dom-helpers/util/requestAnimationFrame');
+
+var _requestAnimationFrame2 = _interopRequireDefault(_requestAnimationFrame);
+
+var _propTypes = require('prop-types');
+
+var _propTypes2 = _interopRequireDefault(_propTypes);
+
+var _componentOrElement = require('prop-types-extra/lib/componentOrElement');
+
+var _componentOrElement2 = _interopRequireDefault(_componentOrElement);
+
+var _react = require('react');
+
+var _react2 = _interopRequireDefault(_react);
+
+var _Affix = require('./Affix');
+
+var _Affix2 = _interopRequireDefault(_Affix);
+
+var _addEventListener = require('./utils/addEventListener');
+
+var _addEventListener2 = _interopRequireDefault(_addEventListener);
+
+var _getContainer = require('./utils/getContainer');
+
+var _getContainer2 = _interopRequireDefault(_getContainer);
+
+var _getDocumentHeight = require('./utils/getDocumentHeight');
+
+var _getDocumentHeight2 = _interopRequireDefault(_getDocumentHeight);
+
+var _ownerDocument = require('./utils/ownerDocument');
+
+var _ownerDocument2 = _interopRequireDefault(_ownerDocument);
+
+var _ownerWindow = require('./utils/ownerWindow');
+
+var _ownerWindow2 = _interopRequireDefault(_ownerWindow);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+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; }
+
+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; }
+
+var displayName = 'AutoAffix';
+
+var propTypes = _extends({}, _Affix2.default.propTypes, {
+  /**
+   * The logical container node or component for determining offset from bottom
+   * of viewport, or a function that returns it
+   */
+  container: _propTypes2.default.oneOfType([_componentOrElement2.default, _propTypes2.default.func]),
+  /**
+   * Automatically set width when affixed
+   */
+  autoWidth: _propTypes2.default.bool
+});
+
+// This intentionally doesn't inherit default props from `<Affix>`, so that the
+// auto-calculated offsets can apply.
+var defaultProps = {
+  viewportOffsetTop: 0,
+  autoWidth: true
+};
+
+/**
+ * The `<AutoAffix/>` component wraps `<Affix/>` to automatically calculate
+ * offsets in many common cases.
+ */
+
+var AutoAffix = function (_React$Component) {
+  _inherits(AutoAffix, _React$Component);
+
+  function AutoAffix(props, context) {
+    _classCallCheck(this, AutoAffix);
+
+    var _this = _possibleConstructorReturn(this, _React$Component.call(this, props, context));
+
+    _this.onWindowScroll = function () {
+      _this.onUpdate();
+    };
+
+    _this.onWindowResize = function () {
+      if (_this.props.autoWidth) {
+        (0, _requestAnimationFrame2.default)(function () {
+          return _this.onUpdate();
+        });
+      }
+    };
+
+    _this.onDocumentClick = function () {
+      (0, _requestAnimationFrame2.default)(function () {
+        return _this.onUpdate();
+      });
+    };
+
+    _this.onUpdate = function () {
+      if (!_this._isMounted) {
+        return;
+      }
+
+      var _getOffset = (0, _offset2.default)(_this.positioner),
+          offsetTop = _getOffset.top,
+          width = _getOffset.width;
+
+      var container = (0, _getContainer2.default)(_this.props.container);
+      var offsetBottom = void 0;
+      if (container) {
+        var documentHeight = (0, _getDocumentHeight2.default)((0, _ownerDocument2.default)(_this));
+
+        var _getOffset2 = (0, _offset2.default)(container),
+            top = _getOffset2.top,
+            height = _getOffset2.height;
+
+        offsetBottom = documentHeight - top - height;
+      } else {
+        offsetBottom = null;
+      }
+
+      _this.updateState(offsetTop, offsetBottom, width);
+    };
+
+    _this.updateState = function (offsetTop, offsetBottom, width) {
+      if (offsetTop === _this.state.offsetTop && offsetBottom === _this.state.offsetBottom && width === _this.state.width) {
+        return;
+      }
+
+      _this.setState({ offsetTop: offsetTop, offsetBottom: offsetBottom, width: width });
+    };
+
+    _this.state = {
+      offsetTop: null,
+      offsetBottom: null,
+      width: null
+    };
+    return _this;
+  }
+
+  AutoAffix.prototype.componentDidMount = function componentDidMount() {
+    var _this2 = this;
+
+    this._isMounted = true;
+
+    this._windowScrollListener = (0, _addEventListener2.default)((0, _ownerWindow2.default)(this), 'scroll', function () {
+      return _this2.onWindowScroll();
+    });
+
+    this._windowResizeListener = (0, _addEventListener2.default)((0, _ownerWindow2.default)(this), 'resize', function () {
+      return _this2.onWindowResize();
+    });
+
+    this._documentClickListener = (0, _addEventListener2.default)((0, _ownerDocument2.default)(this), 'click', function () {
+      return _this2.onDocumentClick();
+    });
+
+    this.onUpdate();
+  };
+
+  AutoAffix.prototype.componentWillReceiveProps = function componentWillReceiveProps() {
+    this._needPositionUpdate = true;
+  };
+
+  AutoAffix.prototype.componentDidUpdate = function componentDidUpdate() {
+    if (this._needPositionUpdate) {
+      this._needPositionUpdate = false;
+      this.onUpdate();
+    }
+  };
+
+  AutoAffix.prototype.componentWillUnmount = function componentWillUnmount() {
+    this._isMounted = false;
+
+    if (this._windowScrollListener) {
+      this._windowScrollListener.remove();
+    }
+    if (this._documentClickListener) {
+      this._documentClickListener.remove();
+    }
+    if (this._windowResizeListener) {
+      this._windowResizeListener.remove();
+    }
+  };
+
+  AutoAffix.prototype.render = function render() {
+    var _this3 = this;
+
+    var _props = this.props,
+        autoWidth = _props.autoWidth,
+        viewportOffsetTop = _props.viewportOffsetTop,
+        children = _props.children,
+        props = _objectWithoutProperties(_props, ['autoWidth', 'viewportOffsetTop', 'children']);
+
+    var _state = this.state,
+        offsetTop = _state.offsetTop,
+        offsetBottom = _state.offsetBottom,
+        width = _state.width;
+
+
+    delete props.container;
+
+    var effectiveOffsetTop = Math.max(offsetTop, viewportOffsetTop || 0);
+
+    var _props2 = this.props,
+        affixStyle = _props2.affixStyle,
+        bottomStyle = _props2.bottomStyle;
+
+    if (autoWidth) {
+      affixStyle = _extends({ width: width }, affixStyle);
+      bottomStyle = _extends({ width: width }, bottomStyle);
+    }
+
+    return _react2.default.createElement(
+      'div',
+      null,
+      _react2.default.createElement('div', { ref: function ref(c) {
+          _this3.positioner = c;
+        } }),
+      _react2.default.createElement(
+        _Affix2.default,
+        _extends({}, props, {
+          offsetTop: effectiveOffsetTop,
+          viewportOffsetTop: viewportOffsetTop,
+          offsetBottom: offsetBottom,
+          affixStyle: affixStyle,
+          bottomStyle: bottomStyle
+        }),
+        children
+      )
+    );
+  };
+
+  return AutoAffix;
+}(_react2.default.Component);
+
+AutoAffix.displayName = displayName;
+AutoAffix.propTypes = propTypes;
+AutoAffix.defaultProps = defaultProps;
+
+exports.default = AutoAffix;
+module.exports = exports['default'];