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{"version":3,"sources":["../packages/react/src/provider.tsx","../packages/react/src/store.ts","../packages/react/src/use-lenis.ts"],"sourcesContent":["import Lenis, { type ScrollCallback } from 'lenis'\r\nimport {\r\n createContext,\r\n forwardRef,\r\n useCallback,\r\n useEffect,\r\n useImperativeHandle,\r\n useRef,\r\n useState,\r\n} from 'react'\r\nimport { Store } from './store'\r\nimport type { LenisContextValue, LenisProps, LenisRef } from './types'\r\n\r\nexport const LenisContext = createContext<LenisContextValue | null>(null)\r\n\r\n/**\r\n * The root store for the lenis context\r\n *\r\n * This store serves as a fallback for the context if it is not available\r\n * and allows us to use the global lenis instance above a provider\r\n */\r\nexport const rootLenisContextStore = new Store<LenisContextValue | null>(null)\r\n\r\n/**\r\n * React component to setup a Lenis instance\r\n */\r\nexport const ReactLenis = forwardRef<LenisRef, LenisProps>(\r\n (\r\n {\r\n children,\r\n root = false,\r\n options = {},\r\n autoRaf = true,\r\n ...props\r\n }: LenisProps,\r\n ref\r\n ) => {\r\n const wrapperRef = useRef<HTMLDivElement>(null)\r\n const contentRef = useRef<HTMLDivElement>(null)\r\n\r\n const [lenis, setLenis] = useState<Lenis | undefined>(undefined)\r\n\r\n // Setup ref\r\n useImperativeHandle(\r\n ref,\r\n () => ({\r\n wrapper: wrapperRef.current,\r\n content: contentRef.current,\r\n lenis,\r\n }),\r\n [lenis]\r\n )\r\n\r\n // Setup lenis instance\r\n useEffect(() => {\r\n const lenis = new Lenis({\r\n ...options,\r\n ...(wrapperRef.current &&\r\n contentRef.current && {\r\n wrapper: wrapperRef.current!,\r\n content: contentRef.current!,\r\n }),\r\n autoRaf: options?.autoRaf ?? autoRaf, // this is to avoid breaking the autoRaf prop if it's still used (require breaking change)\r\n })\r\n\r\n setLenis(lenis)\r\n\r\n return () => {\r\n lenis.destroy()\r\n setLenis(undefined)\r\n }\r\n }, [root, JSON.stringify({ ...options, wrapper: null, content: null })])\r\n\r\n // Handle callbacks\r\n const callbacksRefs = useRef<\r\n {\r\n callback: ScrollCallback\r\n priority: number\r\n }[]\r\n >([])\r\n\r\n const addCallback: LenisContextValue['addCallback'] = useCallback(\r\n (callback, priority) => {\r\n callbacksRefs.current.push({ callback, priority })\r\n callbacksRefs.current.sort((a, b) => a.priority - b.priority)\r\n },\r\n []\r\n )\r\n\r\n const removeCallback: LenisContextValue['removeCallback'] = useCallback(\r\n (callback) => {\r\n callbacksRefs.current = callbacksRefs.current.filter(\r\n (cb) => cb.callback !== callback\r\n )\r\n },\r\n []\r\n )\r\n\r\n // This makes sure to set the global context if the root is true\r\n useEffect(() => {\r\n if (root && lenis) {\r\n rootLenisContextStore.set({ lenis, addCallback, removeCallback })\r\n\r\n return () => rootLenisContextStore.set(null)\r\n }\r\n }, [root, lenis, addCallback, removeCallback])\r\n\r\n // Setup callback listeners\r\n useEffect(() => {\r\n if (!lenis) return\r\n\r\n const onScroll: ScrollCallback = (data) => {\r\n for (let i = 0; i < callbacksRefs.current.length; i++) {\r\n callbacksRefs.current[i]?.callback(data)\r\n }\r\n }\r\n\r\n lenis.on('scroll', onScroll)\r\n\r\n return () => {\r\n lenis.off('scroll', onScroll)\r\n }\r\n }, [lenis])\r\n\r\n if (!children) return null\r\n\r\n return (\r\n <LenisContext.Provider\r\n value={{ lenis: lenis!, addCallback, removeCallback }}\r\n >\r\n {root && root !== 'asChild' ? (\r\n children\r\n ) : (\r\n <div ref={wrapperRef} {...props}>\r\n <div ref={contentRef}>{children}</div>\r\n </div>\r\n )}\r\n </LenisContext.Provider>\r\n )\r\n }\r\n)\r\n","import { useEffect, useState } from 'react'\r\n\r\ntype Listener<S> = (state: S) => void\r\n\r\nexport class Store<S> {\r\n private listeners: Listener<S>[] = []\r\n\r\n constructor(private state: S) {}\r\n\r\n set(state: S) {\r\n this.state = state\r\n\r\n for (let listener of this.listeners) {\r\n listener(this.state)\r\n }\r\n }\r\n\r\n subscribe(listener: Listener<S>) {\r\n this.listeners = [...this.listeners, listener]\r\n return () => {\r\n this.listeners = this.listeners.filter((l) => l !== listener)\r\n }\r\n }\r\n\r\n get() {\r\n return this.state\r\n }\r\n}\r\n\r\nexport function useStore<S>(store: Store<S>) {\r\n const [state, setState] = useState(store.get())\r\n\r\n useEffect(() => {\r\n return store.subscribe((state) => setState(state))\r\n }, [store])\r\n\r\n return state\r\n}\r\n","import type { ScrollCallback } from 'lenis'\r\nimport { useContext, useEffect } from 'react'\r\nimport { LenisContext, rootLenisContextStore } from './provider'\r\nimport { useStore } from './store'\r\nimport type { LenisContextValue } from './types'\r\n\r\n// Fall back to an empty object if both context and store are not available\r\nconst fallbackContext: Partial<LenisContextValue> = {}\r\n\r\n/**\r\n * Hook to access the Lenis instance and its methods\r\n *\r\n * @example <caption>Scroll callback</caption>\r\n * useLenis((lenis) => {\r\n * if (lenis.isScrolling) {\r\n * console.log('Scrolling...')\r\n * }\r\n *\r\n * if (lenis.progress === 1) {\r\n * console.log('At the end!')\r\n * }\r\n * })\r\n *\r\n * @example <caption>Scroll callback with dependencies</caption>\r\n * useLenis((lenis) => {\r\n * if (lenis.isScrolling) {\r\n * console.log('Scrolling...', someDependency)\r\n * }\r\n * }, [someDependency])\r\n * @example <caption>Scroll callback with priority</caption>\r\n * useLenis((lenis) => {\r\n * if (lenis.isScrolling) {\r\n * console.log('Scrolling...')\r\n * }\r\n * }, [], 1)\r\n * @example <caption>Instance access</caption>\r\n * const lenis = useLenis()\r\n *\r\n * handleClick() {\r\n * lenis.scrollTo(100, {\r\n * lerp: 0.1,\r\n * duration: 1,\r\n * easing: (t) => t,\r\n * onComplete: () => {\r\n * console.log('Complete!')\r\n * }\r\n * })\r\n * }\r\n */\r\nexport function useLenis(\r\n callback?: ScrollCallback,\r\n deps: any[] = [],\r\n priority = 0\r\n) {\r\n // Try to get the lenis instance from the context first\r\n const localContext = useContext(LenisContext)\r\n // Fall back to the root store if the context is not available\r\n const rootContext = useStore(rootLenisContextStore)\r\n // Fall back to the fallback context if all else fails\r\n const currentContext = localContext ?? rootContext ?? fallbackContext\r\n\r\n const { lenis, addCallback, removeCallback } = currentContext\r\n\r\n useEffect(() => {\r\n if (!callback || !addCallback || !removeCallback || !lenis) return\r\n\r\n addCallback(callback, priority)\r\n callback(lenis)\r\n\r\n return () => {\r\n removeCallback(callback)\r\n }\r\n }, [lenis, addCallback, removeCallback, priority, ...deps])\r\n\r\n return lenis\r\n}\r\n"],"mappings":";;;AAAA,OAAO,WAAoC;AAC3C;AAAA,EACE;AAAA,EACA;AAAA,EACA;AAAA,EACA,aAAAA;AAAA,EACA;AAAA,EACA;AAAA,EACA,YAAAC;AAAA,OACK;;;ACTP,SAAS,WAAW,gBAAgB;AAI7B,IAAM,QAAN,MAAe;AAAA,EAGpB,YAAoB,OAAU;AAAV;AAAA,EAAW;AAAA,EAFvB,YAA2B,CAAC;AAAA,EAIpC,IAAI,OAAU;AACZ,SAAK,QAAQ;AAEb,aAAS,YAAY,KAAK,WAAW;AACnC,eAAS,KAAK,KAAK;AAAA,IACrB;AAAA,EACF;AAAA,EAEA,UAAU,UAAuB;AAC/B,SAAK,YAAY,CAAC,GAAG,KAAK,WAAW,QAAQ;AAC7C,WAAO,MAAM;AACX,WAAK,YAAY,KAAK,UAAU,OAAO,CAAC,MAAM,MAAM,QAAQ;AAAA,IAC9D;AAAA,EACF;AAAA,EAEA,MAAM;AACJ,WAAO,KAAK;AAAA,EACd;AACF;AAEO,SAAS,SAAY,OAAiB;AAC3C,QAAM,CAAC,OAAO,QAAQ,IAAI,SAAS,MAAM,IAAI,CAAC;AAE9C,YAAU,MAAM;AACd,WAAO,MAAM,UAAU,CAACC,WAAU,SAASA,MAAK,CAAC;AAAA,EACnD,GAAG,CAAC,KAAK,CAAC;AAEV,SAAO;AACT;;;ADiGY;AAzHL,IAAM,eAAe,cAAwC,IAAI;AAQjE,IAAM,wBAAwB,IAAI,MAAgC,IAAI;AAKtE,IAAM,aAAa;AAAA,EACxB,CACE;AAAA,IACE;AAAA,IACA,OAAO;AAAA,IACP,UAAU,CAAC;AAAA,IACX,UAAU;AAAA,IACV,GAAG;AAAA,EACL,GACA,QACG;AACH,UAAM,aAAa,OAAuB,IAAI;AAC9C,UAAM,aAAa,OAAuB,IAAI;AAE9C,UAAM,CAAC,OAAO,QAAQ,IAAIC,UAA4B,MAAS;AAG/D;AAAA,MACE;AAAA,MACA,OAAO;AAAA,QACL,SAAS,WAAW;AAAA,QACpB,SAAS,WAAW;AAAA,QACpB;AAAA,MACF;AAAA,MACA,CAAC,KAAK;AAAA,IACR;AAGA,IAAAC,WAAU,MAAM;AACd,YAAMC,SAAQ,IAAI,MAAM;AAAA,QACtB,GAAG;AAAA,QACH,GAAI,WAAW,WACb,WAAW,WAAW;AAAA,UACpB,SAAS,WAAW;AAAA,UACpB,SAAS,WAAW;AAAA,QACtB;AAAA,QACF,SAAS,SAAS,WAAW;AAAA;AAAA,MAC/B,CAAC;AAED,eAASA,MAAK;AAEd,aAAO,MAAM;AACX,QAAAA,OAAM,QAAQ;AACd,iBAAS,MAAS;AAAA,MACpB;AAAA,IACF,GAAG,CAAC,MAAM,KAAK,UAAU,EAAE,GAAG,SAAS,SAAS,MAAM,SAAS,KAAK,CAAC,CAAC,CAAC;AAGvE,UAAM,gBAAgB,OAKpB,CAAC,CAAC;AAEJ,UAAM,cAAgD;AAAA,MACpD,CAAC,UAAU,aAAa;AACtB,sBAAc,QAAQ,KAAK,EAAE,UAAU,SAAS,CAAC;AACjD,sBAAc,QAAQ,KAAK,CAAC,GAAG,MAAM,EAAE,WAAW,EAAE,QAAQ;AAAA,MAC9D;AAAA,MACA,CAAC;AAAA,IACH;AAEA,UAAM,iBAAsD;AAAA,MAC1D,CAAC,aAAa;AACZ,sBAAc,UAAU,cAAc,QAAQ;AAAA,UAC5C,CAAC,OAAO,GAAG,aAAa;AAAA,QAC1B;AAAA,MACF;AAAA,MACA,CAAC;AAAA,IACH;AAGA,IAAAD,WAAU,MAAM;AACd,UAAI,QAAQ,OAAO;AACjB,8BAAsB,IAAI,EAAE,OAAO,aAAa,eAAe,CAAC;AAEhE,eAAO,MAAM,sBAAsB,IAAI,IAAI;AAAA,MAC7C;AAAA,IACF,GAAG,CAAC,MAAM,OAAO,aAAa,cAAc,CAAC;AAG7C,IAAAA,WAAU,MAAM;AACd,UAAI,CAAC,MAAO;AAEZ,YAAM,WAA2B,CAAC,SAAS;AACzC,iBAAS,IAAI,GAAG,IAAI,cAAc,QAAQ,QAAQ,KAAK;AACrD,wBAAc,QAAQ,CAAC,GAAG,SAAS,IAAI;AAAA,QACzC;AAAA,MACF;AAEA,YAAM,GAAG,UAAU,QAAQ;AAE3B,aAAO,MAAM;AACX,cAAM,IAAI,UAAU,QAAQ;AAAA,MAC9B;AAAA,IACF,GAAG,CAAC,KAAK,CAAC;AAEV,QAAI,CAAC,SAAU,QAAO;AAEtB,WACE;AAAA,MAAC,aAAa;AAAA,MAAb;AAAA,QACC,OAAO,EAAE,OAAe,aAAa,eAAe;AAAA,QAEnD,kBAAQ,SAAS,YAChB,WAEA,oBAAC,SAAI,KAAK,YAAa,GAAG,OACxB,8BAAC,SAAI,KAAK,YAAa,UAAS,GAClC;AAAA;AAAA,IAEJ;AAAA,EAEJ;AACF;;;AE3IA,SAAS,YAAY,aAAAE,kBAAiB;AAMtC,IAAM,kBAA8C,CAAC;AA0C9C,SAAS,SACd,UACA,OAAc,CAAC,GACf,WAAW,GACX;AAEA,QAAM,eAAe,WAAW,YAAY;AAE5C,QAAM,cAAc,SAAS,qBAAqB;AAElD,QAAM,iBAAiB,gBAAgB,eAAe;AAEtD,QAAM,EAAE,OAAO,aAAa,eAAe,IAAI;AAE/C,EAAAC,WAAU,MAAM;AACd,QAAI,CAAC,YAAY,CAAC,eAAe,CAAC,kBAAkB,CAAC,MAAO;AAE5D,gBAAY,UAAU,QAAQ;AAC9B,aAAS,KAAK;AAEd,WAAO,MAAM;AACX,qBAAe,QAAQ;AAAA,IACzB;AAAA,EACF,GAAG,CAAC,OAAO,aAAa,gBAAgB,UAAU,GAAG,IAAI,CAAC;AAE1D,SAAO;AACT;","names":["useEffect","useState","state","useState","useEffect","lenis","useEffect","useEffect"]} |