{"version":3,"file":"BmpjgMEd.js","sources":["../../../../../../src/lib/Paginator.svelte"],"sourcesContent":["<script>\n\nimport { page } from '$app/stores';\nimport { get } from 'svelte/store';\nimport { is_natural } from '$lib/universal/lib.js';\n\nlet {\n    current_page = 1,               // 1 ...\n    total_pages = undefined,        // last page if available or undefined\n    important_page = undefined,     // important_page, if any\n    url_param = false,              // if true ?page=33, otherwise /33/,\n    show_last_page = false,\n    nofollow = false\n} = $props();\n\nlet pages = $derived.by(() => generatePagination({current_page, total_pages, important_page, show_last_page}));\n\nfunction generatePagination({\n        length = 8,\n        current_page,\n        total_pages,\n        important_page,\n        show_last_page = false\n    } = {}) {\n\n    if (length <= 0) return []; // No pagination elements if length <= 0\n\n    // Natural Numbers are ok,\n    // natural numbers as strings are converted to Numbers,\n    // otherwise sets default or undefined:\n    current_page = checkParam(current_page, 1);  // 1 ...\n    total_pages = total_pages === 0 ? 1 : checkParam(total_pages);       // last page if known, or undefined\n    important_page = checkParam(important_page); // important_page, if any\n    current_page = checkParam(current_page, 1);  // 1 ... total_pages\n\n    const pagesSet = new Set(); // To track added pages and avoid duplicates\n\n    function addPage(pageNo) {\n        // Check for maximum pagination block length (with ellipses)\n        if (pagesSet.size + findEllipses(pagesSet, 1, total_pages).size  < length) {\n            pagesSet.add(pageNo);\n            return pageNo;\n        }\n        return undefined;\n    }\n\n    if (current_page !== undefined) addPage(current_page);\n\n    if (important_page !== undefined) addPage(important_page);\n\n    // Add a page next to the current_page (NC == next to current)\n    let nc;\n    if (current_page !== undefined && current_page + 1 <= (total_pages || Infinity)) {\n        nc = addPage(current_page + 1);\n    }\n\n    addPage(1);\n\n    // Add the last page if show_last_page is true\n    if (show_last_page && total_pages !== undefined) {\n        addPage(total_pages);\n    }\n\n    // Add a page before the current_page (BC == before current)\n    let bc;\n    if (current_page !== undefined && current_page - 1 >= 1) {\n        bc = addPage(current_page - 1);\n    }\n\n    // Add a page next to the first page (NF == next to first)\n    let nf;\n    if (pagesSet.has(1) && total_pages > 1) {\n        nf = addPage(2);\n    }\n\n    while (pagesSet.size < length) {\n        const sizeBefore = pagesSet.size;\n        if (nc && nc < (total_pages || Infinity)) {\n            addPage(++nc);\n        }\n        if (bc && bc > 1) {\n            addPage(--bc);\n        }\n        if (nf && nf < (total_pages || Infinity)) {\n            addPage(++nf);\n        }\n        if(sizeBefore == pagesSet.size) break;\n    }\n\n    const ellipsesSet = findEllipses(pagesSet, 1, total_pages);\n\n    // .union() method have just arrived to browsers and not yet to Node 20.5.1 on Ubuntu 24.04.1 LTS\n    //const sortedSet = Array.from(pagesSet.union(ellipsesSet)).sort((a, b) => a - b);\n    for (const i of ellipsesSet) {\n        pagesSet.add(i);\n    }\n\n    const sortedSet = Array.from(pagesSet).sort((a, b) => a - b);\n    const result = [];\n\n    for (let i = 0; i < sortedSet.length; ++i) {\n        let page = sortedSet[i];\n        let nextPage = { page };\n        if(ellipsesSet.has(page)\n            && page !== 1  // Avoid ellipses which cover gaps of only 1 page\n            && page !== total_pages\n            && !(sortedSet[i-1] === page-1 && sortedSet[i+1] === page+1)) {\n                nextPage.ellipsis = true;\n        }\n        result.push(nextPage);\n    }\n\n    return result;\n}\n\n// Param must be is_natural (1, 2, \"1\", 5, \"33\"...) or return the_default\nfunction checkParam(param, the_default = undefined) {\n    return is_natural(param) ? parseInt(param, 10) : the_default;\n}\n\nfunction findEllipses(sparseSet, lowerBound, upperBound) {\n    // Sort the sparse set and remove duplicates\n    const sortedSet = Array.from(sparseSet).sort((a, b) => a - b);\n    const ellipsesSet = new Set();\n\n    // Check for omissions before the first number in the set\n    if (sortedSet[0] > lowerBound) {\n        ellipsesSet.add(sortedSet[0] - 1);\n    }\n\n    // Check for omissions between numbers in the sparse set\n    for (let i = 0; i < sortedSet.length - 1; i++) {\n        const current = sortedSet[i];\n        const next = sortedSet[i + 1];\n        if (next > current + 1) {\n            ellipsesSet.add(current + 1);\n        }\n    }\n\n    // Check for omissions after the last number in the set\n    if (!upperBound || sortedSet[sortedSet.length - 1] < upperBound) {\n        ellipsesSet.add(sortedSet[sortedSet.length - 1] + 1);\n    }\n\n    //console.log('sortedSet='+JSON.stringify(Array.from(sortedSet)));\n    //console.log('ellipsesSet='+JSON.stringify(Array.from(ellipsesSet)));\n    return ellipsesSet;\n}\n\nfunction makePageHref(pageNo, unused) {\n    if(url_param) {\n        let urlCopy = new URL(get(page).url.toString());\n        urlCopy.searchParams.set('page', pageNo);\n        return urlCopy.toString();\n    } else {\n        return get(page).url.pathname.replace(/(\\/[^\\/]+\\/?)$/, `/${pageNo}`);\n    }\n}\n\n</script>\n\n<nav class=\"pagination\" aria-label=\"pagination\">\n    <ul class=\"pagination-list ml-0\">\n        {#each pages as P}\n            {#if !P?.ellipsis}\n                <li class=\"mt-0\">\n                    <a href={makePageHref(P.page, $page)}\n                        class=\"pagination-link {P.page == current_page ? 'is-current' : ''}\"\n                        class:is-important={P.page == important_page && !(P.page == current_page)}\n                        aria-label=\"Page {P.page}\"\n                        aria-current=\"page\"\n                        data-sveltekit-replacestate\n                        rel={nofollow ? 'nofollow' : ''}\n                    >{P.page}</a>\n                </li>\n            {:else}\n                <li class=\"mt-0\">\n                    <a href={makePageHref(P.page, $page)}\n                        class=\"pagination-ellipsis clickable-ellipsis\"\n                        data-sveltekit-replacestate\n                    >&hellip;</a>\n                </li>\n            {/if}\n        {/each}\n    </ul>\n</nav>\n\n<style>\n.clickable-ellipsis { \n    pointer-events: all; \n    cursor: pointer \n}\n\n.is-important {\n    background: #EBFFDE !important;\n}\n@media (prefers-color-scheme: dark) {\n    .is-important {\n        background: rgb(50, 60, 80) !important;\n    }\n}\n</style>\n"],"names":["current_page","total_pages","important_page","url_param","show_last_page","nofollow","$.prop","$$props","pages","generatePagination","length","checkParam","pagesSet","addPage","pageNo","findEllipses","nc","bc","nf","sizeBefore","ellipsesSet","i","sortedSet","a","b","result","page","nextPage","param","the_default","is_natural","sparseSet","lowerBound","upperBound","current","makePageHref","unused","urlCopy","get","$.each","ul","$.get","P","classes","$.set_class","a_1","$1","$.set_attribute","$.set_text","text","$page","$$render","alternate","consequent"],"mappings":"ghCAOI,IAAAA,uBAAe,CAAC,EAChBC,sBAAc,MAAS,EACvBC,yBAAiB,MAAS,EAC1BC,oBAAY,EAAK,EACjBC,yBAAiB,EAAK,EACtBC,EAAWC,EAAAC,EAAA,WAAA,EAAA,EAAA,EAGXC,QAA0BC,EAAkB,CAAE,aAAAT,EAAY,EAAE,YAAAC,EAAW,EAAE,eAAAC,EAAc,EAAE,eAAAE,EAAc,cAElGK,GACD,OAAAC,EAAS,EACT,aAAAV,EACA,YAAAC,EACA,eAAAC,EACA,eAAAE,EAAiB,OACb,CAEJ,GAAAM,GAAU,EAAC,MAAA,GAKfV,EAAeW,EAAWX,EAAc,CAAC,EACzCC,EAAcA,IAAgB,EAAI,EAAIU,EAAWV,CAAW,EAC5DC,EAAiBS,EAAWT,CAAc,EAC1CF,EAAeW,EAAWX,EAAc,CAAC,EAEnC,MAAAY,MAAe,aAEZC,EAAQC,EAAQ,CAEjB,GAAAF,EAAS,KAAOG,EAAaH,EAAU,EAAGX,CAAW,EAAE,KAAQS,EAC/D,OAAAE,EAAS,IAAIE,CAAM,EACZA,CAGf,CAEId,IAAiB,QAAWa,EAAQb,CAAY,EAEhDE,IAAmB,QAAWW,EAAQX,CAAc,MAGpDc,EACAhB,IAAiB,QAAaA,EAAe,IAAMC,GAAe,OAClEe,EAAKH,EAAQb,EAAe,CAAC,GAGjCa,EAAQ,CAAC,EAGLT,GAAkBH,IAAgB,QAClCY,EAAQZ,CAAW,MAInBgB,EACAjB,IAAiB,QAAaA,EAAe,GAAK,IAClDiB,EAAKJ,EAAQb,EAAe,CAAC,OAI7BkB,EAKG,IAJHN,EAAS,IAAI,CAAC,GAAKX,EAAc,IACjCiB,EAAKL,EAAQ,CAAC,GAGXD,EAAS,KAAOF,GAAQ,OACrBS,EAAaP,EAAS,QACxBI,GAAMA,GAAMf,GAAe,MAC3BY,IAAUG,CAAE,EAEZC,GAAMA,EAAK,GACXJ,IAAUI,CAAE,EAEZC,GAAMA,GAAMjB,GAAe,MAC3BY,IAAUK,CAAE,EAEbC,GAAcP,EAAS,KAAI,KAClC,CAEM,MAAAQ,EAAcL,EAAaH,EAAU,EAAGX,CAAW,YAI9CoB,KAAKD,EACZR,EAAS,IAAIS,CAAC,EAGZ,MAAAC,EAAY,MAAM,KAAKV,CAAQ,EAAE,KAAI,CAAEW,EAAGC,IAAMD,EAAIC,CAAC,EACrDC,EAAM,CAAA,UAEHJ,EAAI,EAAGA,EAAIC,EAAU,OAAU,EAAAD,EAAG,KACnCK,EAAOJ,EAAUD,CAAC,EAClBM,GAAa,KAAAD,CAAI,EAClBN,EAAY,IAAIM,CAAI,GAChBA,IAAS,GACTA,IAASzB,GAAA,EACPqB,EAAUD,EAAE,CAAC,IAAMK,EAAK,GAAKJ,EAAUD,EAAE,CAAC,IAAMK,EAAK,KACtDC,EAAS,SAAW,IAE5BF,EAAO,KAAKE,CAAQ,CACxB,QAEOF,CACX,CAGS,SAAAd,EAAWiB,EAAOC,EAAc,OAAW,QACzCC,GAAWF,CAAK,EAAI,SAASA,EAAO,EAAE,EAAIC,CACrD,CAES,SAAAd,EAAagB,EAAWC,EAAYC,EAAY,CAE/C,MAAAX,EAAY,MAAM,KAAKS,CAAS,EAAE,KAAI,CAAER,EAAGC,IAAMD,EAAIC,CAAC,EACtDJ,MAAkB,IAGpBE,EAAU,CAAC,EAAIU,GACfZ,EAAY,IAAIE,EAAU,CAAC,EAAI,CAAC,EAI3B,QAAA,EAAI,EAAG,EAAIA,EAAU,OAAS,EAAG,IAAK,OACrCY,EAAUZ,EAAU,CAAC,EACdA,EAAU,EAAI,CAAC,EACjBY,EAAU,GACjBd,EAAY,IAAIc,EAAU,CAAC,CAEnC,SAGKD,GAAcX,EAAUA,EAAU,OAAS,CAAC,EAAIW,IACjDb,EAAY,IAAIE,EAAUA,EAAU,OAAS,CAAC,EAAI,CAAC,EAKhDF,CACX,CAES,SAAAe,EAAarB,EAAQsB,EAAQ,CAC/B,GAAAjC,EAAS,EAAE,KACNkC,EAAO,IAAO,IAAIC,EAAIZ,CAAI,EAAE,IAAI,UAAQ,EAC5C,OAAAW,EAAQ,aAAa,IAAI,OAAQvB,CAAM,EAChCuB,EAAQ,SAAQ,CAC3B,aACWC,EAAIZ,CAAI,EAAE,IAAI,SAAS,QAAQ,iBAAgB,IAAMZ,CAAM,EAAA,CAE1E,mBAMeyB,EAAAC,EAAA,GAAA,IAAAC,EAAAjC,CAAK,QAAIkC,IAAC,qGAIuBC,EAAAC,GAAAC,EAAA,EAAA,oBAAAJ,EAAAC,CAAC,EAAC,MAAQ1C,EAAe,EAAA,aAAe,KAAE,EAAA,GAAA,gBAAA2C,EAAAG,CAAA,EAEhDC,EAAAF,EAAA,aAAA,QAAAJ,EAAAC,CAAC,EAAC,MAAI,EAAA,EAAA,YAGnBrC,EAAQ,EAAG,WAAa,EAAE,EACjC2C,EAAAC,EAAAR,EAAAC,CAAC,EAAC,IAAI,IAPC,IAAAP,EAAaM,EAAAC,CAAC,EAAC,KAAMQ,EAAK,CAAA,yBAEXR,CAAC,EAAC,MAAQxC,OAAoBwC,CAAC,EAAC,MAAQ1C,EAAY,+DASnE,IAAAmC,EAAaM,EAAAC,CAAC,EAAC,KAAMQ,EAAK,CAAA,2BAbrCT,EAAAA,EAAAC,CAAC,IAADD,MAAAA,EAAG,SAAQU,EAAAC,EAAA,EAAA,EAAAD,EAAAE,CAAA"}