{"version":3,"sources":["../../src/use-stepper/index.ts"],"sourcesContent":["import { useCounter } from '../use-counter'\nimport { useLatest } from '../use-latest'\nimport { useStableFn } from '../use-stable-fn'\n\nexport interface UseStepperReturns {\n /**\n * List of steps.\n */\n steps: Readonly\n /**\n * Index of the current step.\n */\n index: number\n /**\n * Current step.\n */\n current: Step\n /**\n * Next step, or undefined if the current step is the last one.\n */\n next: StepName | undefined\n /**\n * Previous step, or undefined if the current step is the first one.\n */\n previous: StepName | undefined\n /**\n * Whether the current step is the first one.\n */\n isFirst: boolean\n /**\n * Whether the current step is the last one.\n */\n isLast: boolean\n /**\n * Get the step at the specified index.\n */\n at: (index: number) => Step | undefined\n /**\n * Get a step by the specified name.\n */\n get: (step: StepName) => Step | undefined\n /**\n * Go to the specified step.\n */\n goTo: (step: StepName) => void\n /**\n * Go to the next step. Does nothing if the current step is the last one.\n */\n goToNext(): void\n /**\n * Go to the previous step. Does nothing if the current step is the previous one.\n */\n goToPrevious(): void\n /**\n * Go back to the given step, only if the current step is after.\n */\n goBackTo: (step: StepName) => void\n /**\n * Checks whether the given step is the next step.\n */\n isNext: (step: StepName) => boolean\n /**\n * Checks whether the given step is the previous step.\n */\n isPrevious: (step: StepName) => boolean\n /**\n * Checks whether the given step is the current step.\n */\n isCurrent: (step: StepName) => boolean\n /**\n * Checks if the current step is before the given step.\n */\n isBefore: (step: StepName) => boolean\n /**\n * Checks if the current step is after the given step.\n */\n isAfter: (step: StepName) => boolean\n}\n\n/**\n * A React Hook that helps to create a stepper state.\n */\nexport function useStepper(steps: T[], initialIdx?: number): UseStepperReturns {\n const [idx, actions] = useCounter(initialIdx ?? 0)\n\n const at = useStableFn((index: number) => {\n const { steps } = latest.current\n return steps[index]\n })\n\n const get = useStableFn((step: T) => {\n const { steps } = latest.current\n if (!steps.includes(step)) return\n return at(steps.indexOf(step))\n })\n\n const goTo = useStableFn((step: T) => {\n const { steps } = latest.current\n if (steps.includes(step)) {\n actions.set(steps.indexOf(step))\n }\n })\n\n const goToNext = useStableFn(() => {\n actions.setState((pre) => {\n const isLast = pre === steps.length - 1\n return isLast ? pre : pre + 1\n })\n })\n\n const goToPrevious = useStableFn(() => {\n actions.setState((pre) => {\n const isFirst = pre === 0\n return isFirst ? pre : pre - 1\n })\n })\n\n const goBackTo = useStableFn((step: T) => isAfter(step) && goTo(step))\n const isNext = useStableFn((step: T) => latest.current.steps.indexOf(step) === idx + 1)\n const isPrevious = useStableFn((step: T) => latest.current.steps.indexOf(step) === idx - 1)\n const isCurrent = useStableFn((step: T) => latest.current.steps.indexOf(step) === idx)\n\n const isBefore = useStableFn((step: T) => {\n const { index, steps } = latest.current\n return index < steps.indexOf(step)\n })\n\n const isAfter = useStableFn((step: T) => {\n const { index, steps } = latest.current\n return index > steps.indexOf(step)\n })\n\n const isFirst = idx === 0\n const isLast = idx === steps.length - 1\n const next = steps[idx + 1]\n const previous = steps[idx - 1]\n\n const latest = useLatest({ isFirst, isLast, steps, index: idx })\n\n const current = at(idx)\n\n return {\n index: idx,\n steps,\n current,\n next,\n previous,\n isFirst,\n isLast,\n at,\n get,\n goTo,\n goToNext,\n goToPrevious,\n goBackTo,\n isNext,\n isPrevious,\n isCurrent,\n isBefore,\n isAfter,\n }\n}\n"],"names":["useStepper","steps","initialIdx","useCounter","idx","actions","at","useStableFn","index","latest","current","get","step","includes","indexOf","goTo","set","goToNext","setState","pre","isLast","length","goToPrevious","isFirst","goBackTo","isAfter","isNext","isPrevious","isCurrent","isBefore","next","previous","useLatest"],"mappings":";;;;+BAkFgBA;;;eAAAA;;;0BAlFW;yBACD;2BACE;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAgFrB,SAASA,WAAcC,KAAU,EAAEC,UAAmB;IAC3D,IAAuBC,+BAAAA,IAAAA,sBAAU,EAACD,uBAAAA,wBAAAA,aAAc,QAAzCE,MAAgBD,gBAAXE,UAAWF;IAEvB,IAAMG,KAAKC,IAAAA,wBAAW,EAAC,SAACC;QACtB,IAAM,AAAEP,UAAUQ,OAAOC,OAAO,CAAxBT;QACR,OAAOA,OAAK,CAACO,MAAM;IACrB;IAEA,IAAMG,MAAMJ,IAAAA,wBAAW,EAAC,SAACK;QACvB,IAAM,AAAEX,UAAUQ,OAAOC,OAAO,CAAxBT;QACR,IAAI,CAACA,QAAMY,QAAQ,CAACD,OAAO;QAC3B,OAAON,GAAGL,QAAMa,OAAO,CAACF;IAC1B;IAEA,IAAMG,OAAOR,IAAAA,wBAAW,EAAC,SAACK;QACxB,IAAM,AAAEX,UAAUQ,OAAOC,OAAO,CAAxBT;QACR,IAAIA,QAAMY,QAAQ,CAACD,OAAO;YACxBP,QAAQW,GAAG,CAACf,QAAMa,OAAO,CAACF;QAC5B;IACF;IAEA,IAAMK,WAAWV,IAAAA,wBAAW,EAAC;QAC3BF,QAAQa,QAAQ,CAAC,SAACC;YAChB,IAAMC,SAASD,QAAQlB,MAAMoB,MAAM,GAAG;YACtC,OAAOD,SAASD,MAAMA,MAAM;QAC9B;IACF;IAEA,IAAMG,eAAef,IAAAA,wBAAW,EAAC;QAC/BF,QAAQa,QAAQ,CAAC,SAACC;YAChB,IAAMI,UAAUJ,QAAQ;YACxB,OAAOI,UAAUJ,MAAMA,MAAM;QAC/B;IACF;IAEA,IAAMK,WAAWjB,IAAAA,wBAAW,EAAC,SAACK;eAAYa,QAAQb,SAASG,KAAKH;;IAChE,IAAMc,SAASnB,IAAAA,wBAAW,EAAC,SAACK;eAAYH,OAAOC,OAAO,CAACT,KAAK,CAACa,OAAO,CAACF,UAAUR,MAAM;;IACrF,IAAMuB,aAAapB,IAAAA,wBAAW,EAAC,SAACK;eAAYH,OAAOC,OAAO,CAACT,KAAK,CAACa,OAAO,CAACF,UAAUR,MAAM;;IACzF,IAAMwB,YAAYrB,IAAAA,wBAAW,EAAC,SAACK;eAAYH,OAAOC,OAAO,CAACT,KAAK,CAACa,OAAO,CAACF,UAAUR;;IAElF,IAAMyB,WAAWtB,IAAAA,wBAAW,EAAC,SAACK;QAC5B,IAAyBH,kBAAAA,OAAOC,OAAO,EAA/BF,QAAiBC,gBAAjBD,OAAOP,UAAUQ,gBAAVR;QACf,OAAOO,QAAQP,QAAMa,OAAO,CAACF;IAC/B;IAEA,IAAMa,UAAUlB,IAAAA,wBAAW,EAAC,SAACK;QAC3B,IAAyBH,kBAAAA,OAAOC,OAAO,EAA/BF,QAAiBC,gBAAjBD,OAAOP,UAAUQ,gBAAVR;QACf,OAAOO,QAAQP,QAAMa,OAAO,CAACF;IAC/B;IAEA,IAAMW,UAAUnB,QAAQ;IACxB,IAAMgB,SAAShB,QAAQH,MAAMoB,MAAM,GAAG;IACtC,IAAMS,OAAO7B,KAAK,CAACG,MAAM,EAAE;IAC3B,IAAM2B,WAAW9B,KAAK,CAACG,MAAM,EAAE;IAE/B,IAAMK,SAASuB,IAAAA,oBAAS,EAAC;QAAET,SAAAA;QAASH,QAAAA;QAAQnB,OAAAA;QAAOO,OAAOJ;IAAI;IAE9D,IAAMM,UAAUJ,GAAGF;IAEnB,OAAO;QACLI,OAAOJ;QACPH,OAAAA;QACAS,SAAAA;QACAoB,MAAAA;QACAC,UAAAA;QACAR,SAAAA;QACAH,QAAAA;QACAd,IAAAA;QACAK,KAAAA;QACAI,MAAAA;QACAE,UAAAA;QACAK,cAAAA;QACAE,UAAAA;QACAE,QAAAA;QACAC,YAAAA;QACAC,WAAAA;QACAC,UAAAA;QACAJ,SAAAA;IACF;AACF"}