{"version":3,"file":"focusBorders.mjs","names":["getFocusableIn","focusBordersRefs","Map","BEFORE_BORDER_ID","AFTER_BORDER_ID","addFocusBorders","element","has","previousSibling","HTMLElement","dataset","id","before","document","createElement","after","set","setAttribute","style","position","addEventListener","event","_focusBordersRefs$get","_focusBordersRefs$get2","activeElement","get","relatedTarget","focusable","_focusable","length","focus","_focusable$","_focusBordersRefs$get3","_focusBordersRefs$get4","_focusable$2","_focusable2","elementParent","parentElement","insertBefore","append","removeFocusBorders","focusRefs","remove"],"sources":["../../src/focus-lock/focusBorders.ts"],"sourcesContent":["import { getFocusableIn } from './getFocusableIn';\n\nconst focusBordersRefs = new Map<HTMLElement, { before: HTMLElement; after: HTMLElement }>();\n\nexport const BEFORE_BORDER_ID = '__intergalactic-focus-border-before';\nexport const AFTER_BORDER_ID = '__intergalactic-focus-border-after';\n\nexport const addFocusBorders = (element: HTMLElement) => {\n  if (\n    !focusBordersRefs.has(element) &&\n    !(\n      element.previousSibling instanceof HTMLElement &&\n      element.previousSibling.dataset.id === BEFORE_BORDER_ID\n    )\n  ) {\n    const before = document.createElement('div');\n    const after = document.createElement('div');\n\n    focusBordersRefs.set(element, { before, after });\n\n    before.setAttribute('tabindex', '0');\n    before.style.position = 'fixed';\n    before.dataset.id = BEFORE_BORDER_ID;\n    before.addEventListener('focus', (event) => {\n      if (\n        document.activeElement === focusBordersRefs.get(element)?.before &&\n        event.relatedTarget !== focusBordersRefs.get(element)?.after && // prevent loop\n        event.relatedTarget // prevent initial focus\n      ) {\n        const focusable = getFocusableIn(element);\n\n        if (event.relatedTarget === focusable[0]) {\n          focusable[focusable.length - 1]?.focus();\n        } else {\n          focusable[0]?.focus();\n        }\n      }\n    });\n\n    after.setAttribute('tabindex', '0');\n    after.style.position = 'fixed';\n    after.dataset.id = AFTER_BORDER_ID;\n    after.addEventListener('focus', (event) => {\n      if (\n        document.activeElement === focusBordersRefs.get(element)?.after &&\n        event.relatedTarget !== focusBordersRefs.get(element)?.before && // prevent loop\n        event.relatedTarget // prevent initial focus\n      ) {\n        const focusable = getFocusableIn(element);\n\n        if (event.relatedTarget === focusable[focusable.length - 1]) {\n          focusable[0]?.focus();\n        } else {\n          focusable[focusable.length - 1]?.focus();\n        }\n      }\n    });\n\n    const elementParent = element.parentElement;\n\n    elementParent?.insertBefore(before, element);\n    elementParent?.append(after);\n  }\n};\nexport const removeFocusBorders = (element: HTMLElement) => {\n  const focusRefs = focusBordersRefs.get(element);\n  focusRefs?.before.remove();\n  focusRefs?.after.remove();\n  focusBordersRefs.delete(element);\n};\n"],"mappings":"AAAA,SAASA,cAAc,QAAQ,sBAAkB;AAEjD,IAAMC,gBAAgB,GAAG,IAAIC,GAAG,EAA4D;AAE5F,OAAO,IAAMC,gBAAgB,GAAG,qCAAqC;AACrE,OAAO,IAAMC,eAAe,GAAG,oCAAoC;AAEnE,OAAO,IAAMC,eAAe,GAAG,SAAlBA,eAAeA,CAAIC,OAAoB,EAAK;EACvD,IACE,CAACL,gBAAgB,CAACM,GAAG,CAACD,OAAO,CAAC,IAC9B,EACEA,OAAO,CAACE,eAAe,YAAYC,WAAW,IAC9CH,OAAO,CAACE,eAAe,CAACE,OAAO,CAACC,EAAE,KAAKR,gBAAgB,CACxD,EACD;IACA,IAAMS,MAAM,GAAGC,QAAQ,CAACC,aAAa,CAAC,KAAK,CAAC;IAC5C,IAAMC,KAAK,GAAGF,QAAQ,CAACC,aAAa,CAAC,KAAK,CAAC;IAE3Cb,gBAAgB,CAACe,GAAG,CAACV,OAAO,EAAE;MAAEM,MAAM,EAANA,MAAM;MAAEG,KAAK,EAALA;IAAM,CAAC,CAAC;IAEhDH,MAAM,CAACK,YAAY,CAAC,UAAU,EAAE,GAAG,CAAC;IACpCL,MAAM,CAACM,KAAK,CAACC,QAAQ,GAAG,OAAO;IAC/BP,MAAM,CAACF,OAAO,CAACC,EAAE,GAAGR,gBAAgB;IACpCS,MAAM,CAACQ,gBAAgB,CAAC,OAAO,EAAE,UAACC,KAAK,EAAK;MAAA,IAAAC,qBAAA,EAAAC,sBAAA;MAC1C,IACEV,QAAQ,CAACW,aAAa,OAAAF,qBAAA,GAAKrB,gBAAgB,CAACwB,GAAG,CAACnB,OAAO,CAAC,cAAAgB,qBAAA,uBAA7BA,qBAAA,CAA+BV,MAAM,KAChES,KAAK,CAACK,aAAa,OAAAH,sBAAA,GAAKtB,gBAAgB,CAACwB,GAAG,CAACnB,OAAO,CAAC,cAAAiB,sBAAA,uBAA7BA,sBAAA,CAA+BR,KAAK;MAAI;MAChEM,KAAK,CAACK,aAAa,CAAC;MAAA,EACpB;QACA,IAAMC,SAAS,GAAG3B,cAAc,CAACM,OAAO,CAAC;QAEzC,IAAIe,KAAK,CAACK,aAAa,KAAKC,SAAS,CAAC,CAAC,CAAC,EAAE;UAAA,IAAAC,UAAA;UACxC,CAAAA,UAAA,GAAAD,SAAS,CAACA,SAAS,CAACE,MAAM,GAAG,CAAC,CAAC,cAAAD,UAAA,uBAA/BA,UAAA,CAAiCE,KAAK,EAAE;QAC1C,CAAC,MAAM;UAAA,IAAAC,WAAA;UACL,CAAAA,WAAA,GAAAJ,SAAS,CAAC,CAAC,CAAC,cAAAI,WAAA,uBAAZA,WAAA,CAAcD,KAAK,EAAE;QACvB;MACF;IACF,CAAC,CAAC;IAEFf,KAAK,CAACE,YAAY,CAAC,UAAU,EAAE,GAAG,CAAC;IACnCF,KAAK,CAACG,KAAK,CAACC,QAAQ,GAAG,OAAO;IAC9BJ,KAAK,CAACL,OAAO,CAACC,EAAE,GAAGP,eAAe;IAClCW,KAAK,CAACK,gBAAgB,CAAC,OAAO,EAAE,UAACC,KAAK,EAAK;MAAA,IAAAW,sBAAA,EAAAC,sBAAA;MACzC,IACEpB,QAAQ,CAACW,aAAa,OAAAQ,sBAAA,GAAK/B,gBAAgB,CAACwB,GAAG,CAACnB,OAAO,CAAC,cAAA0B,sBAAA,uBAA7BA,sBAAA,CAA+BjB,KAAK,KAC/DM,KAAK,CAACK,aAAa,OAAAO,sBAAA,GAAKhC,gBAAgB,CAACwB,GAAG,CAACnB,OAAO,CAAC,cAAA2B,sBAAA,uBAA7BA,sBAAA,CAA+BrB,MAAM;MAAI;MACjES,KAAK,CAACK,aAAa,CAAC;MAAA,EACpB;QACA,IAAMC,SAAS,GAAG3B,cAAc,CAACM,OAAO,CAAC;QAEzC,IAAIe,KAAK,CAACK,aAAa,KAAKC,SAAS,CAACA,SAAS,CAACE,MAAM,GAAG,CAAC,CAAC,EAAE;UAAA,IAAAK,YAAA;UAC3D,CAAAA,YAAA,GAAAP,SAAS,CAAC,CAAC,CAAC,cAAAO,YAAA,uBAAZA,YAAA,CAAcJ,KAAK,EAAE;QACvB,CAAC,MAAM;UAAA,IAAAK,WAAA;UACL,CAAAA,WAAA,GAAAR,SAAS,CAACA,SAAS,CAACE,MAAM,GAAG,CAAC,CAAC,cAAAM,WAAA,uBAA/BA,WAAA,CAAiCL,KAAK,EAAE;QAC1C;MACF;IACF,CAAC,CAAC;IAEF,IAAMM,aAAa,GAAG9B,OAAO,CAAC+B,aAAa;IAE3CD,aAAa,aAAbA,aAAa,uBAAbA,aAAa,CAAEE,YAAY,CAAC1B,MAAM,EAAEN,OAAO,CAAC;IAC5C8B,aAAa,aAAbA,aAAa,uBAAbA,aAAa,CAAEG,MAAM,CAACxB,KAAK,CAAC;EAC9B;AACF,CAAC;AACD,OAAO,IAAMyB,kBAAkB,GAAG,SAArBA,kBAAkBA,CAAIlC,OAAoB,EAAK;EAC1D,IAAMmC,SAAS,GAAGxC,gBAAgB,CAACwB,GAAG,CAACnB,OAAO,CAAC;EAC/CmC,SAAS,aAATA,SAAS,uBAATA,SAAS,CAAE7B,MAAM,CAAC8B,MAAM,EAAE;EAC1BD,SAAS,aAATA,SAAS,uBAATA,SAAS,CAAE1B,KAAK,CAAC2B,MAAM,EAAE;EACzBzC,gBAAgB,UAAO,CAACK,OAAO,CAAC;AAClC,CAAC"}