| 1 | {"version":3,"names":["useBackButton","ref","React","useEffect","subscription","BackHandler","addEventListener","navigation","current","canGoBack","goBack","remove"],"sources":["useBackButton.tsx"],"sourcesContent":["import type {\n NavigationContainerRef,\n ParamListBase,\n} from '@react-navigation/core';\nimport * as React from 'react';\nimport { BackHandler } from 'react-native';\n\nexport default function useBackButton(\n ref: React.RefObject<NavigationContainerRef<ParamListBase>>\n) {\n React.useEffect(() => {\n const subscription = BackHandler.addEventListener(\n 'hardwareBackPress',\n () => {\n const navigation = ref.current;\n\n if (navigation == null) {\n return false;\n }\n\n if (navigation.canGoBack()) {\n navigation.goBack();\n\n return true;\n }\n\n return false;\n }\n );\n\n return () => subscription.remove();\n }, [ref]);\n}\n"],"mappings":";;;;;;;AAIA;;AACA;;;;;;AAEe,SAASA,aAAT,CACbC,GADa,EAEb;EACAC,KAAK,CAACC,SAAN,CAAgB,MAAM;IACpB,MAAMC,YAAY,GAAGC,wBAAA,CAAYC,gBAAZ,CACnB,mBADmB,EAEnB,MAAM;MACJ,MAAMC,UAAU,GAAGN,GAAG,CAACO,OAAvB;;MAEA,IAAID,UAAU,IAAI,IAAlB,EAAwB;QACtB,OAAO,KAAP;MACD;;MAED,IAAIA,UAAU,CAACE,SAAX,EAAJ,EAA4B;QAC1BF,UAAU,CAACG,MAAX;QAEA,OAAO,IAAP;MACD;;MAED,OAAO,KAAP;IACD,CAhBkB,CAArB;;IAmBA,OAAO,MAAMN,YAAY,CAACO,MAAb,EAAb;EACD,CArBD,EAqBG,CAACV,GAAD,CArBH;AAsBD"} |