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@atlaskit/editor-common

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A package that contains common classes and components for editor and renderer

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import _classCallCheck from "@babel/runtime/helpers/classCallCheck"; import _createClass from "@babel/runtime/helpers/createClass"; import _assertThisInitialized from "@babel/runtime/helpers/assertThisInitialized"; import _inherits from "@babel/runtime/helpers/inherits"; import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn"; import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf"; import _defineProperty from "@babel/runtime/helpers/defineProperty"; function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; } function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; } function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); } import React, { Component } from 'react'; import Popper from 'popper.js'; // eslint-disable-line import/extensions import rafSchedule from 'raf-schd'; import { positionPropToPopperPosition } from './internal/helpers'; var defaultState = { hasExtractedStyles: false, // We set these default offsets to prevent a flash of popper content in the wrong position // which can cause incorrect height calculations. Popper will calculate these values offsets: { popper: { left: -9999, top: -9999, position: null } }, // fix Safari parent width: https://product-fabric.atlassian.net/browse/ED-1784 cssPosition: 'absolute', originalHeight: null, maxHeight: null }; var Layer = /*#__PURE__*/function (_Component) { _inherits(Layer, _Component); var _super = _createSuper(Layer); function Layer(props) { var _this; _classCallCheck(this, Layer); _this = _super.call(this, props); _defineProperty(_assertThisInitialized(_this), "targetRef", /*#__PURE__*/React.createRef()); _defineProperty(_assertThisInitialized(_this), "contentRef", /*#__PURE__*/React.createRef()); _defineProperty(_assertThisInitialized(_this), "extractStyles", function (state) { if (state) { var popperHeight = state.offsets.popper.height; var left = Math.round(state.offsets.popper.left); var top = Math.round(state.offsets.popper.top); var cssPosition = 'absolute'; var originalHeight = _this.state.originalHeight || popperHeight; var maxHeight = _this.calculateMaxHeight(originalHeight, popperHeight, top, cssPosition); _this.setState({ // position: fixed or absolute cssPosition: cssPosition, hasExtractedStyles: true, transform: "translate3d(".concat(left, "px, ").concat(top, "px, 0px)"), originalHeight: originalHeight, maxHeight: maxHeight }); } }); _this.state = defaultState; _this.extractStyles = rafSchedule(_this.extractStyles.bind(_assertThisInitialized(_this))); return _this; } _createClass(Layer, [{ key: "componentDidMount", value: function componentDidMount() { this.applyPopper(this.props); } }, { key: "UNSAFE_componentWillReceiveProps", value: function UNSAFE_componentWillReceiveProps(nextProps) { this.applyPopper(nextProps); } }, { key: "componentDidUpdate", value: function componentDidUpdate(prevProps, prevState) { var onPositioned = this.props.onPositioned; var hasExtractedStyles = this.state.hasExtractedStyles; // This flag is set the first time the position is calculated from Popper and applied to the content if (!prevState.hasExtractedStyles && hasExtractedStyles && onPositioned) { onPositioned(); } } }, { key: "componentWillUnmount", value: function componentWillUnmount() { // this.extractStyles.cancel(); if (this.popper) { this.popper.destroy(); } } /* Calculate the max height of the popper if it's height is greater than the viewport to prevent * the bottom of the popper not being viewable. * Only works if the popper uses viewport as the boundary and has a fixed position ancestor. */ }, { key: "calculateMaxHeight", value: function calculateMaxHeight(originalHeight, currentHeight, positionTop, cssPosition) { var DocumentElementClientHeight = 0; if (document.documentElement) { DocumentElementClientHeight = document.documentElement.clientHeight; } if (cssPosition !== 'fixed') { return null; } var viewportHeight = Math.max(DocumentElementClientHeight, window.innerHeight || 0); return viewportHeight < originalHeight && currentHeight + positionTop >= viewportHeight - 50 ? // allow some spacing either side of viewport height viewportHeight - 12 : null; } }, { key: "applyPopper", value: function applyPopper(props) { if (!this.targetRef.current || !this.contentRef.current) { return; } if (this.popper) { this.popper.destroy(); } // "new Popper(...)" operation is very expensive when called on virtual DOM. // This condition reduces the number of calls so we can run our tests faster // (time was reduced from 100s to 13s). if (!props.content) { return; } // we wrap our target in a div so that we can safely get a reference to it, but we pass the // actual target to popper var isAlwaysFixed = false; var actualTarget = this.targetRef.current.children[0]; var popperOpts = { placement: positionPropToPopperPosition(props.position), onCreate: this.extractStyles, onUpdate: this.extractStyles, modifiers: { applyStyle: { enabled: false }, hide: { enabled: false }, offset: { enabled: true, offset: this.props.offset }, flip: { enabled: false, flipVariations: true, boundariesElement: 'viewport', padding: 0 // leave 0 pixels between popper and the boundariesElement }, preventOverflow: { enabled: false, escapeWithReference: true } }, positionFixed: isAlwaysFixed }; if (actualTarget) { this.popper = new Popper(actualTarget, this.contentRef.current, popperOpts); } } }, { key: "render", value: function render() { var _this$state = this.state, transform = _this$state.transform, hasExtractedStyles = _this$state.hasExtractedStyles, maxHeight = _this$state.maxHeight; var opacity = hasExtractedStyles ? {} : { opacity: 0 }; return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement("div", { ref: this.targetRef }, this.props.children), /*#__PURE__*/React.createElement("div", { ref: this.contentRef, style: _objectSpread({ top: 0, left: 0, position: 'absolute', transform: transform, maxHeight: maxHeight ? maxHeight : 'auto' }, opacity) }, this.props.content)); } }]); return Layer; }(Component); // working with extract-react-types _defineProperty(Layer, "defaultProps", { boundariesElement: 'viewport', children: null, content: null, offset: '0, 0', position: 'right middle', zIndex: 400, lockScroll: false, isAlwaysFixed: false, onPositioned: function onPositioned() {} }); export { Layer as default };