| 1 | {"version":3,"names":["React","NavigationBuilderContext","useOnPreventRemove","shouldPreventRemove","useOnAction","router","getState","setState","key","actionListeners","beforeRemoveListeners","routerConfigOptions","emitter","onAction","onActionParent","onRouteFocus","onRouteFocusParent","addListener","addListenerParent","onDispatchAction","useContext","routerConfigOptionsRef","useRef","useEffect","current","useCallback","action","visitedNavigators","Set","state","has","add","target","result","getStateForAction","isPrevented","routes","undefined","shouldFocus","shouldActionChangeFocus","i","length","listener"],"sources":["useOnAction.tsx"],"sourcesContent":["import type {\n NavigationAction,\n NavigationState,\n PartialState,\n Router,\n RouterConfigOptions,\n} from '@react-navigation/routers';\nimport * as React from 'react';\n\nimport NavigationBuilderContext, {\n ChildActionListener,\n ChildBeforeRemoveListener,\n} from './NavigationBuilderContext';\nimport type { EventMapCore } from './types';\nimport type { NavigationEventEmitter } from './useEventEmitter';\nimport useOnPreventRemove, { shouldPreventRemove } from './useOnPreventRemove';\n\ntype Options = {\n router: Router<NavigationState, NavigationAction>;\n key?: string;\n getState: () => NavigationState;\n setState: (state: NavigationState | PartialState<NavigationState>) => void;\n actionListeners: ChildActionListener[];\n beforeRemoveListeners: Record<string, ChildBeforeRemoveListener | undefined>;\n routerConfigOptions: RouterConfigOptions;\n emitter: NavigationEventEmitter<EventMapCore<any>>;\n};\n\n/**\n * Hook to handle actions for a navigator, including state updates and bubbling.\n *\n * Bubbling an action is achieved in 2 ways:\n * 1. To bubble action to parent, we expose the action handler in context and then access the parent context\n * 2. To bubble action to child, child adds event listeners subscribing to actions from parent\n *\n * When the action handler handles as action, it returns `true`, otherwise `false`.\n */\nexport default function useOnAction({\n router,\n getState,\n setState,\n key,\n actionListeners,\n beforeRemoveListeners,\n routerConfigOptions,\n emitter,\n}: Options) {\n const {\n onAction: onActionParent,\n onRouteFocus: onRouteFocusParent,\n addListener: addListenerParent,\n onDispatchAction,\n } = React.useContext(NavigationBuilderContext);\n\n const routerConfigOptionsRef =\n React.useRef<RouterConfigOptions>(routerConfigOptions);\n\n React.useEffect(() => {\n routerConfigOptionsRef.current = routerConfigOptions;\n });\n\n const onAction = React.useCallback(\n (\n action: NavigationAction,\n visitedNavigators: Set<string> = new Set<string>()\n ) => {\n const state = getState();\n\n // Since actions can bubble both up and down, they could come to the same navigator again\n // We keep track of navigators which have already tried to handle the action and return if it's already visited\n if (visitedNavigators.has(state.key)) {\n return false;\n }\n\n visitedNavigators.add(state.key);\n\n if (typeof action.target !== 'string' || action.target === state.key) {\n let result = router.getStateForAction(\n state,\n action,\n routerConfigOptionsRef.current\n );\n\n // If a target is specified and set to current navigator, the action shouldn't bubble\n // So instead of `null`, we use the state object for such cases to signal that action was handled\n result =\n result === null && action.target === state.key ? state : result;\n\n if (result !== null) {\n onDispatchAction(action, state === result);\n\n if (state !== result) {\n const isPrevented = shouldPreventRemove(\n emitter,\n beforeRemoveListeners,\n state.routes,\n result.routes,\n action\n );\n\n if (isPrevented) {\n return true;\n }\n\n setState(result);\n }\n\n if (onRouteFocusParent !== undefined) {\n // Some actions such as `NAVIGATE` also want to bring the navigated route to focus in the whole tree\n // This means we need to focus all of the parent navigators of this navigator as well\n const shouldFocus = router.shouldActionChangeFocus(action);\n\n if (shouldFocus && key !== undefined) {\n onRouteFocusParent(key);\n }\n }\n\n return true;\n }\n }\n\n if (onActionParent !== undefined) {\n // Bubble action to the parent if the current navigator didn't handle it\n if (onActionParent(action, visitedNavigators)) {\n return true;\n }\n }\n\n // If the action wasn't handled by current navigator or a parent navigator, let children handle it\n for (let i = actionListeners.length - 1; i >= 0; i--) {\n const listener = actionListeners[i];\n\n if (listener(action, visitedNavigators)) {\n return true;\n }\n }\n\n return false;\n },\n [\n actionListeners,\n beforeRemoveListeners,\n emitter,\n getState,\n key,\n onActionParent,\n onDispatchAction,\n onRouteFocusParent,\n router,\n setState,\n ]\n );\n\n useOnPreventRemove({\n getState,\n emitter,\n beforeRemoveListeners,\n });\n\n React.useEffect(\n () => addListenerParent?.('action', onAction),\n [addListenerParent, onAction]\n );\n\n return onAction;\n}\n"],"mappings":"AAOA,OAAO,KAAKA,KAAZ,MAAuB,OAAvB;AAEA,OAAOC,wBAAP,MAGO,4BAHP;AAMA,OAAOC,kBAAP,IAA6BC,mBAA7B,QAAwD,sBAAxD;;AAaA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,eAAe,SAASC,WAAT,OASH;EAAA,IATwB;IAClCC,MADkC;IAElCC,QAFkC;IAGlCC,QAHkC;IAIlCC,GAJkC;IAKlCC,eALkC;IAMlCC,qBANkC;IAOlCC,mBAPkC;IAQlCC;EARkC,CASxB;EACV,MAAM;IACJC,QAAQ,EAAEC,cADN;IAEJC,YAAY,EAAEC,kBAFV;IAGJC,WAAW,EAAEC,iBAHT;IAIJC;EAJI,IAKFnB,KAAK,CAACoB,UAAN,CAAiBnB,wBAAjB,CALJ;EAOA,MAAMoB,sBAAsB,GAC1BrB,KAAK,CAACsB,MAAN,CAAkCX,mBAAlC,CADF;EAGAX,KAAK,CAACuB,SAAN,CAAgB,MAAM;IACpBF,sBAAsB,CAACG,OAAvB,GAAiCb,mBAAjC;EACD,CAFD;EAIA,MAAME,QAAQ,GAAGb,KAAK,CAACyB,WAAN,CACf,UACEC,MADF,EAGK;IAAA,IADHC,iBACG,uEAD8B,IAAIC,GAAJ,EAC9B;IACH,MAAMC,KAAK,GAAGvB,QAAQ,EAAtB,CADG,CAGH;IACA;;IACA,IAAIqB,iBAAiB,CAACG,GAAlB,CAAsBD,KAAK,CAACrB,GAA5B,CAAJ,EAAsC;MACpC,OAAO,KAAP;IACD;;IAEDmB,iBAAiB,CAACI,GAAlB,CAAsBF,KAAK,CAACrB,GAA5B;;IAEA,IAAI,OAAOkB,MAAM,CAACM,MAAd,KAAyB,QAAzB,IAAqCN,MAAM,CAACM,MAAP,KAAkBH,KAAK,CAACrB,GAAjE,EAAsE;MACpE,IAAIyB,MAAM,GAAG5B,MAAM,CAAC6B,iBAAP,CACXL,KADW,EAEXH,MAFW,EAGXL,sBAAsB,CAACG,OAHZ,CAAb,CADoE,CAOpE;MACA;;MACAS,MAAM,GACJA,MAAM,KAAK,IAAX,IAAmBP,MAAM,CAACM,MAAP,KAAkBH,KAAK,CAACrB,GAA3C,GAAiDqB,KAAjD,GAAyDI,MAD3D;;MAGA,IAAIA,MAAM,KAAK,IAAf,EAAqB;QACnBd,gBAAgB,CAACO,MAAD,EAASG,KAAK,KAAKI,MAAnB,CAAhB;;QAEA,IAAIJ,KAAK,KAAKI,MAAd,EAAsB;UACpB,MAAME,WAAW,GAAGhC,mBAAmB,CACrCS,OADqC,EAErCF,qBAFqC,EAGrCmB,KAAK,CAACO,MAH+B,EAIrCH,MAAM,CAACG,MAJ8B,EAKrCV,MALqC,CAAvC;;UAQA,IAAIS,WAAJ,EAAiB;YACf,OAAO,IAAP;UACD;;UAED5B,QAAQ,CAAC0B,MAAD,CAAR;QACD;;QAED,IAAIjB,kBAAkB,KAAKqB,SAA3B,EAAsC;UACpC;UACA;UACA,MAAMC,WAAW,GAAGjC,MAAM,CAACkC,uBAAP,CAA+Bb,MAA/B,CAApB;;UAEA,IAAIY,WAAW,IAAI9B,GAAG,KAAK6B,SAA3B,EAAsC;YACpCrB,kBAAkB,CAACR,GAAD,CAAlB;UACD;QACF;;QAED,OAAO,IAAP;MACD;IACF;;IAED,IAAIM,cAAc,KAAKuB,SAAvB,EAAkC;MAChC;MACA,IAAIvB,cAAc,CAACY,MAAD,EAASC,iBAAT,CAAlB,EAA+C;QAC7C,OAAO,IAAP;MACD;IACF,CA7DE,CA+DH;;;IACA,KAAK,IAAIa,CAAC,GAAG/B,eAAe,CAACgC,MAAhB,GAAyB,CAAtC,EAAyCD,CAAC,IAAI,CAA9C,EAAiDA,CAAC,EAAlD,EAAsD;MACpD,MAAME,QAAQ,GAAGjC,eAAe,CAAC+B,CAAD,CAAhC;;MAEA,IAAIE,QAAQ,CAAChB,MAAD,EAASC,iBAAT,CAAZ,EAAyC;QACvC,OAAO,IAAP;MACD;IACF;;IAED,OAAO,KAAP;EACD,CA7Ec,EA8Ef,CACElB,eADF,EAEEC,qBAFF,EAGEE,OAHF,EAIEN,QAJF,EAKEE,GALF,EAMEM,cANF,EAOEK,gBAPF,EAQEH,kBARF,EASEX,MATF,EAUEE,QAVF,CA9Ee,CAAjB;EA4FAL,kBAAkB,CAAC;IACjBI,QADiB;IAEjBM,OAFiB;IAGjBF;EAHiB,CAAD,CAAlB;EAMAV,KAAK,CAACuB,SAAN,CACE,MAAML,iBAAN,aAAMA,iBAAN,uBAAMA,iBAAiB,CAAG,QAAH,EAAaL,QAAb,CADzB,EAEE,CAACK,iBAAD,EAAoBL,QAApB,CAFF;EAKA,OAAOA,QAAP;AACD"} |