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align);\n const translate = {\n x: 0,\n y: 0,\n };\n const { points, overflow: { adjustX, adjustY } } = result;\n if (source && ref && (adjustX || adjustY) && (points.includes('bc') || points.includes('tc'))) {\n const r1 = source.getBoundingClientRect();\n const r2 = ref.getBoundingClientRect();\n if (adjustX) {\n translate.x = r1.left + r1.width / 2 - r2.left - r2.width / 2;\n }\n if (adjustY) {\n translate.y = r1.top + r1.height / 2 - r2.top - r2.height / 2;\n }\n }\n onAlign(source, result, ref, translate);\n }\n }\n componentDidMount() {\n const { hidden, monitorWindowResize } = this.props;\n this.forceAlign();\n if (!hidden && monitorWindowResize) {\n this.startMonitorWindowResize();\n }\n }\n componentDidUpdate(prevProps) {\n const { hidden, align, target = () => window, monitorWindowResize } = this.props;\n const { hidden: preHidden, align: preAlign, target: preTarget } = prevProps;\n let reAlign = false;\n if (!hidden) {\n if (preHidden || preAlign !== align) {\n reAlign = true;\n }\n else {\n const lastTarget = preTarget();\n const currentTarget = target();\n if (isWindow(lastTarget) && isWindow(currentTarget)) {\n reAlign = false;\n }\n else if (lastTarget !== currentTarget) {\n reAlign = true;\n }\n }\n }\n if (reAlign) {\n this.forceAlign();\n }\n if (monitorWindowResize && !hidden) {\n this.startMonitorWindowResize();\n }\n else {\n this.stopMonitorWindowResize();\n }\n }\n componentWillUnmount() {\n this.stopMonitorWindowResize();\n }\n startMonitorWindowResize() {\n const { monitorBufferTime } = this.props;\n if (!this.resizeHandler) {\n this.resizeHandler = new EventManager(window);\n this.bufferMonitor = new TaskRunner();\n this.resizeHandler.addEventListener('resize', this.bufferMonitor.delay.bind(this.bufferMonitor, monitorBufferTime, this.forceAlign.bind(this)));\n }\n }\n stopMonitorWindowResize() {\n if (this.resizeHandler) {\n if (this.bufferMonitor) {\n this.bufferMonitor.cancel();\n }\n this.resizeHandler.clear();\n this.resizeHandler = null;\n }\n }\n render() {\n const { props } = this;\n const { childrenProps, children } = props;\n const node = isChildrenFunction(children) ? children(this.saveSourceRef) : children;\n if (childrenProps && isValidElement(node)) {\n const newProps = {};\n Object.keys(childrenProps).forEach(prop => {\n if ({}.hasOwnProperty.call(childrenProps, prop)) {\n newProps[prop] = props[childrenProps[prop]];\n }\n });\n return cloneElement(node, newProps);\n }\n return node;\n }\n}\nAlign.displayName = 'Align';\nAlign.propTypes = {\n childrenProps: PropTypes.object,\n childrenRef: PropTypes.func,\n align: PropTypes.object.isRequired,\n target: PropTypes.func,\n onAlign: PropTypes.func,\n monitorBufferTime: PropTypes.number,\n monitorWindowResize: PropTypes.bool,\n hidden: PropTypes.bool,\n children: PropTypes.any,\n};\nAlign.defaultProps = {\n monitorBufferTime: 50,\n monitorWindowResize: false,\n hidden: true,\n};\n"],"file":"Align.js"} |