@reatom/react/build/index.modern.mjs.map

React bindings for @reatom/core

{"version":3,"file":"index.modern.mjs","sources":["../src/index.ts"],"sourcesContent":["import {\n  Action,\n  Atom,\n  AtomState,\n  createAtom,\n  defaultStore,\n  Fn,\n  getState,\n  isActionCreator,\n  Rec,\n  Store,\n} from '@reatom/core/'\nimport React from 'react'\n\nexport const reatomContext = React.createContext(defaultStore)\n\nlet batchedUpdates = (f: () => any) => f()\nexport const setBatchedUpdates = (f: (callback: () => any) => void) => {\n  batchedUpdates = f\n}\n\nfunction bindActionCreator<Args extends any[]>(\n  store: Store,\n  actionCreator: (...args: Args) => Action | Action[] | void,\n) {\n  return (...args: Args) => {\n    const action = actionCreator(...args)\n\n    if (action) {\n      batchedUpdates(() => {\n        store.dispatch(action)\n      })\n    }\n  }\n}\n\nexport function useAction<Args extends any[] = []>(\n  actionCreator: (...args: Args) => Action | Action[] | void,\n  deps: any[] = [],\n): (...args: Args) => void {\n  const store = React.useContext(reatomContext)\n\n  return React.useCallback(\n    bindActionCreator(store, actionCreator),\n    deps.concat(store),\n  )\n}\n\ntype ActionCreators<T extends Rec = {}> = {\n  [K in keyof T]: T[K] extends (...a: infer Args) => Action\n    ? (...args: Args) => void\n    : never\n}\n\nexport function useAtom<T extends Atom>(\n  atom: T,\n  deps?: any[],\n): [state: AtomState<T>, bindedActionCreators: ActionCreators<T>]\nexport function useAtom<T extends Atom, Res>(\n  atom: T,\n  map: Fn<[AtomState<T>], Res>,\n  deps?: any[],\n): [state: Res, bindedActionCreators: ActionCreators<T>]\nexport function useAtom(atom: Atom, mapOrDeps?: Fn | any[], deps?: any[]) {\n  const origin = atom\n  if (typeof mapOrDeps === 'function') {\n    deps ??= []\n    // FIXME: rewrite to useState\n    atom = React.useMemo(\n      () => createAtom({ origin }, ({ get }) => mapOrDeps(get(`origin`))),\n      deps.concat(origin),\n    )\n  } else {\n    deps = mapOrDeps ?? []\n  }\n\n  const store = React.useContext(reatomContext)\n\n  deps = deps.concat([atom, store])\n\n  let [state, setState] = React.useState(() => getState(atom, store))\n  const lastRef = React.useRef(state)\n  lastRef.current = state = getState(atom, store)\n\n  const bindedActionCreators = React.useMemo(\n    () =>\n      Object.entries(origin).reduce((acc, [k, ac]) => {\n        // @ts-expect-error\n        if (isActionCreator(ac)) acc[k] = bindActionCreator(store, ac)\n        return acc\n      }, {} as ActionCreators),\n    deps,\n  )\n\n  React.useEffect(() => {\n    return store.subscribe(\n      atom,\n      (newState) =>\n        Object.is(newState, lastRef.current) ||\n        setState((lastRef.current = newState)),\n    )\n  }, deps)\n\n  React.useDebugValue(state)\n\n  return [state, bindedActionCreators]\n}\n"],"names":["reatomContext","React","createContext","defaultStore","batchedUpdates","f","setBatchedUpdates","bindActionCreator","store","actionCreator","args","action","dispatch","useAction","deps","useContext","useCallback","concat","useAtom","atom","mapOrDeps","origin","useMemo","createAtom","get","state","setState","useState","getState","lastRef","useRef","current","bindedActionCreators","Object","entries","reduce","acc","k","ac","isActionCreator","useEffect","subscribe","newState","is","useDebugValue"],"mappings":"qHAcaA,MAAAA,eAAgBC,EAAMC,cAAcC,GAEjD,IAAIC,EAAkBC,GAAiBA,IAC1BC,MAAAA,EAAqBD,IAChCD,EAAiBC,GAGnB,SAASE,EACPC,EACAC,GAEA,MAAO,IAAIC,KACT,MAAMC,EAASF,KAAiBC,GAE5BC,GACFP,EAAe,KACbI,EAAMI,SAASD,eAMPE,EACdJ,EACAK,EAAc,IAEd,MAAMN,EAAQP,EAAMc,WAAWf,GAE/B,OAAOC,EAAMe,YACXT,EAAkBC,EAAOC,GACzBK,EAAKG,OAAOT,aAmBAU,EAAQC,EAAYC,EAAwBN,GAC1D,MAAMO,EAASF,EACU,mBAAdC,SACTN,IAAAA,EAAS,IAETK,EAAOlB,EAAMqB,QACX,IAAMC,EAAW,CAAEF,OAAAA,GAAU,EAAGG,IAAAA,KAAUJ,EAAUI,cACpDV,EAAKG,OAAOI,KAGdP,QAAOM,EAAAA,EAAa,GAGtB,MAAMZ,EAAQP,EAAMc,WAAWf,GAE/Bc,EAAOA,EAAKG,OAAO,CAACE,EAAMX,IAE1B,IAAKiB,EAAOC,GAAYzB,EAAM0B,SAAS,IAAMC,EAAST,EAAMX,IAC5D,MAAMqB,EAAU5B,EAAM6B,OAAOL,GAC7BI,EAAQE,QAAUN,EAAQG,EAAST,EAAMX,GAEzC,MAAMwB,EAAuB/B,EAAMqB,QACjC,IACEW,OAAOC,QAAQb,GAAQc,OAAO,CAACC,GAAMC,EAAGC,MAElCC,EAAgBD,KAAKF,EAAIC,GAAK9B,EAAkBC,EAAO8B,IACpDF,GACN,IACLtB,GAcF,OAXAb,EAAMuC,UAAU,IACPhC,EAAMiC,UACXtB,EACCuB,GACCT,OAAOU,GAAGD,EAAUb,EAAQE,UAC5BL,EAAUG,EAAQE,QAAUW,IAE/B5B,GAEHb,EAAM2C,cAAcnB,GAEb,CAACA,EAAOO"}