{"version":3,"sources":["../src/utils/auto-animate-height.tsx"],"sourcesContent":["import { cloneElement, forwardRef, useEffect, useRef, useState } from \"react\";\nimport { useMergeRefs } from \"./utils\";\n\nexport interface AutoAnimateHeightProps extends React.HTMLAttributes {\n /**\n * Time of the animation, using the hedwig animation tokens\n * quick: 0.1s\n * normal: 0.3s\n * slow: 0.7s\n *\n * default is \"quick\"\n */\n animationDuration?: \"quick\" | \"normal\" | \"slow\";\n\n /**\n * Callback fired when animiation transition ends\n * Use this to do effects after resizing is done, e.g. scrolling to the element\n * using `element.scrollIntoView()`\n */\n onTransitionEnd?: () => void;\n\n /**\n * Which hedwig easing function to use, default is \"normal\"\n */\n animationEasing?: \"in\" | \"out\" | \"normal\";\n children: React.ReactNode;\n style?: React.CSSProperties;\n}\n\n/**\n * Helper component to animate the height of the children when they change\n * It's done by rendering two versions of the passed children,\n * one hidden to measure the height and one visible to only changes after the height is measured.\n *\n * **IMPORTANT** Do not pass any components with effects (like data fetching), as they will trigger twice.\n */\nexport const AutoAnimateHeight = forwardRef(\n (\n {\n children,\n style,\n animationDuration = \"quick\",\n animationEasing = \"normal\",\n onTransitionEnd,\n ...rest\n },\n ref,\n ) => {\n const rootRef = useRef(null);\n const mergedRef = useMergeRefs([rootRef, ref]);\n const measurementRef = useRef(null);\n const [height, setHeight] = useState<{ height: number; shouldAnimate: boolean } | undefined>(\n undefined,\n );\n const [clonedChildren, setClonedChildren] = useState(() =>\n cloneElement(<>{children}, {}),\n );\n\n useEffect(() => {\n if (!rootRef.current) return;\n if (!measurementRef.current) return;\n if (document.body.scrollHeight === 0) return;\n const currentMeasurement = measurementRef.current;\n const { height: newHeight } = currentMeasurement.getBoundingClientRect();\n\n // Listen for resize events on the measurement element\n // Keep the children in sync with the height\n // But don't animate it.\n let previouslyObservedHeight = newHeight;\n const resizeObserver = new ResizeObserver(() => {\n const { height: resizedHeight } = currentMeasurement.getBoundingClientRect();\n if (resizedHeight === previouslyObservedHeight) return;\n previouslyObservedHeight = resizedHeight;\n setHeight({ height: resizedHeight, shouldAnimate: false });\n });\n resizeObserver.observe(currentMeasurement); // This is cleaned up down below in the return functions\n\n // Set the new height when children changes\n setHeight({ height: newHeight, shouldAnimate: true });\n\n // Update children\n const nextClonedChildren = cloneElement(<>{children}, {});\n\n // When increasing in height update immediately so the new content is shown during the animation\n if (newHeight >= (height?.height ?? 0)) {\n setClonedChildren(nextClonedChildren);\n return () => {\n resizeObserver.disconnect();\n };\n }\n\n // When decreasing in height, wait until the animation is done so that we don't get a sudden flash of empty content\n const currentRoot = rootRef.current;\n function onTransitionEndHandler(e: TransitionEvent) {\n if (e.propertyName !== \"height\") return;\n setClonedChildren(nextClonedChildren);\n }\n currentRoot.addEventListener(\"transitionend\", onTransitionEndHandler);\n return () => {\n resizeObserver.disconnect();\n currentRoot.removeEventListener(\"transitionend\", onTransitionEndHandler);\n };\n\n // eslint-disable-next-line react-hooks/exhaustive-deps -- I know better\n }, [children]);\n\n return (\n \n \n {children}\n \n {clonedChildren}\n \n );\n },\n);\nAutoAnimateHeight.displayName = \"AutoAnimateHeight\";\n"],"mappings":";;;;;;;;;;AAAA,SAAS,cAAc,YAAY,WAAW,QAAQ,gBAAgB;AAuDnD,wBAoDb,YApDa;AAnBZ,IAAM,oBAAoB;AAAA,EAC/B,CACE,IAQA,QACG;AATH,iBACE;AAAA;AAAA,MACA;AAAA,MACA,oBAAoB;AAAA,MACpB,kBAAkB;AAAA,MAClB;AAAA,IA3CN,IAsCI,IAMK,iBANL,IAMK;AAAA,MALH;AAAA,MACA;AAAA,MACA;AAAA,MACA;AAAA,MACA;AAAA;AA3CN,QAAAA,KAAAC;AAgDI,UAAM,UAAU,OAAuB,IAAI;AAC3C,UAAM,YAAY,aAAa,CAAC,SAAS,GAAG,CAAC;AAC7C,UAAM,iBAAiB,OAAuB,IAAI;AAClD,UAAM,CAAC,QAAQ,SAAS,IAAI;AAAA,MAC1B;AAAA,IACF;AACA,UAAM,CAAC,gBAAgB,iBAAiB,IAAI;AAAA,MAA0B,MACpE,aAAa,gCAAG,UAAS,GAAK,CAAC,CAAC;AAAA,IAClC;AAEA,cAAU,MAAM;AA1DpB,UAAAD;AA2DM,UAAI,CAAC,QAAQ,QAAS;AACtB,UAAI,CAAC,eAAe,QAAS;AAC7B,UAAI,SAAS,KAAK,iBAAiB,EAAG;AACtC,YAAM,qBAAqB,eAAe;AAC1C,YAAM,EAAE,QAAQ,UAAU,IAAI,mBAAmB,sBAAsB;AAKvE,UAAI,2BAA2B;AAC/B,YAAM,iBAAiB,IAAI,eAAe,MAAM;AAC9C,cAAM,EAAE,QAAQ,cAAc,IAAI,mBAAmB,sBAAsB;AAC3E,YAAI,kBAAkB,yBAA0B;AAChD,mCAA2B;AAC3B,kBAAU,EAAE,QAAQ,eAAe,eAAe,MAAM,CAAC;AAAA,MAC3D,CAAC;AACD,qBAAe,QAAQ,kBAAkB;AAGzC,gBAAU,EAAE,QAAQ,WAAW,eAAe,KAAK,CAAC;AAGpD,YAAM,qBAAqB,aAAa,gCAAG,UAAS,GAAK,CAAC,CAAC;AAG3D,UAAI,eAAcA,MAAA,iCAAQ,WAAR,OAAAA,MAAkB,IAAI;AACtC,0BAAkB,kBAAkB;AACpC,eAAO,MAAM;AACX,yBAAe,WAAW;AAAA,QAC5B;AAAA,MACF;AAGA,YAAM,cAAc,QAAQ;AAC5B,eAAS,uBAAuB,GAAoB;AAClD,YAAI,EAAE,iBAAiB,SAAU;AACjC,0BAAkB,kBAAkB;AAAA,MACtC;AACA,kBAAY,iBAAiB,iBAAiB,sBAAsB;AACpE,aAAO,MAAM;AACX,uBAAe,WAAW;AAC1B,oBAAY,oBAAoB,iBAAiB,sBAAsB;AAAA,MACzE;AAAA,IAGF,GAAG,CAAC,QAAQ,CAAC;AAEb,WACE;AAAA,MAAC;AAAA;AAAA,QACC,KAAK;AAAA,QACL;AAAA,QACA,OAAO;AAAA,UACL,UAAU;AAAA,UACV,UAAU;AAAA,UACV,SAAQC,MAAA,iCAAQ,WAAR,OAAAA,OAAkBD,MAAA,eAAe,YAAf,gBAAAA,IAAwB,wBAAwB;AAAA,UAC1E,qBAAoB,iCAAQ,iBAAgB,WAAW;AAAA,UACvD,oBAAoB,sCAAsC,iBAAiB;AAAA,UAC3E,0BAA0B,oCAAoC,eAAe;AAAA,UAC7E,YAAY;AAAA,WACT;AAAA,SAED,OAbL;AAAA,QAeC;AAAA;AAAA,YAAC;AAAA;AAAA,cACC,eAAW;AAAA,cACX,KAAK;AAAA,cACL,OAAO;AAAA,gBACL,UAAU;AAAA,gBACV,YAAY;AAAA,gBACZ,eAAe;AAAA,cACjB;AAAA,cAEC;AAAA;AAAA,UACH;AAAA,UACC;AAAA;AAAA;AAAA,IACH;AAAA,EAEJ;AACF;AACA,kBAAkB,cAAc;","names":["_a","_b"]}