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(function () { |
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'use strict'; |
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|
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var homeIconSVG = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" width="14" height="14"><path d="M10 20v-6h4v6h5v-8h3L12 3 2 12h3v8z"/></svg>'; |
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|
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function getSep(separator, custom) { |
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if (separator === 'chevron') return '›'; |
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if (separator === 'arrow') return '→'; |
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if (separator === 'slash') return '/'; |
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if (separator === 'dot') return '·'; |
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if (separator === 'dash') return '–'; |
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return custom || '/'; |
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} |
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|
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function escHtml(str) { |
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if (!str) return ''; |
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return str.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"'); |
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} |
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|
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function buildCrumbHTML(crumbs, sep, showHomeIcon, showCurrent, withSchema) { |
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var listItems = crumbs.map(function (c, i) { |
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var isLast = i === crumbs.length - 1; |
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var schema = withSchema ? ' itemscope itemprop="itemListElement" itemtype="https://schema.org/ListItem"' : ''; |
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var posAttr = withSchema ? ' itemprop="position" content="' + (i + 1) + '"' : ''; |
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|
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var inner; |
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if (isLast && !showCurrent) return ''; |
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if (isLast) { |
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var label = isLast ? '<span class="bkbg-bc-text"' + (withSchema ? ' itemprop="name"' : '') + '>' + escHtml(c.label) + '</span>' : ''; |
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inner = label; |
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} else { |
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var iconHtml = (c.isHome && showHomeIcon) ? '<span class="bkbg-bc-home-icon">' + homeIconSVG + '</span>' : ''; |
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var nameAttr = withSchema ? ' itemprop="name"' : ''; |
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var itemId = withSchema ? ' itemprop="item"' : ''; |
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inner = '<a href="' + escHtml(c.url) + '" class="bkbg-bc-link"' + itemId + '>' + |
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iconHtml + '<span' + nameAttr + '>' + (c.isHome && showHomeIcon ? '' : escHtml(c.label)) + '</span>' + |
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'</a>'; |
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if (withSchema) inner += '<meta' + posAttr + '/>'; |
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} |
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|
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var sepHtml = !isLast ? '<span class="bkbg-bc-sep" aria-hidden="true">' + sep + '</span>' : ''; |
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|
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return '<li class="bkbg-bc-item' + (isLast ? ' bkbg-bc-item--current' : '') + '"' + schema + '>' + inner + '</li>' + sepHtml; |
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}).join(''); |
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|
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var schemaList = withSchema |
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? ' itemscope itemtype="https://schema.org/BreadcrumbList"' |
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: ''; |
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return '<ol class="bkbg-bc-list"' + schemaList + '>' + listItems + '</ol>'; |
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} |
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|
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function initBreadcrumbs(nav) { |
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var d = nav.dataset; |
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var showHome = d.showHome !== '0'; |
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var showCurrent = d.showCurrent !== '0'; |
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var showIcon = d.showIcon !== '0'; |
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var withSchema = d.schema !== '0'; |
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var separator = d.separator || 'chevron'; |
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var custom = d.sepCustom || '/'; |
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var homeLabel = d.homeLabel || 'Home'; |
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var homeUrl = d.homeUrl || '/'; |
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var sep = getSep(separator, custom); |
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|
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/* Build crumb trail from current path */ |
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var crumbs = []; |
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if (showHome) { |
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crumbs.push({ label: homeLabel, url: homeUrl, isHome: true }); |
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} |
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|
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/* Parse current path segments */ |
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var path = window.location.pathname; |
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var parts = path.replace(/^\/|\/$/g, '').split('/').filter(Boolean); |
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|
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/* Try to use document title for current page */ |
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var pageTitle = document.title.split(/[|\-–—]/)[0].trim(); |
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|
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/* Build intermediate crumbs from URL segments (heuristic) */ |
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var accumulated = ''; |
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parts.forEach(function (part, idx) { |
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accumulated += '/' + part; |
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var label = part.replace(/[-_]/g, ' ').replace(/\b\w/g, function(c){ return c.toUpperCase(); }); |
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var isLast = idx === parts.length - 1; |
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if (isLast && pageTitle) label = pageTitle; |
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crumbs.push({ |
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label: label, |
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url: isLast ? '' : accumulated + '/' |
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}); |
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}); |
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|
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/* Fallback: no path parts found, just show Home + Page Title */ |
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if (!parts.length && pageTitle) { |
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crumbs.push({ label: pageTitle, url: '' }); |
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} |
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|
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if (crumbs.length === 0) return; |
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|
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nav.innerHTML = buildCrumbHTML(crumbs, sep, showIcon, showCurrent, withSchema); |
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} |
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|
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document.addEventListener('DOMContentLoaded', function () { |
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document.querySelectorAll('.bkbg-bc-wrap[data-separator]').forEach(initBreadcrumbs); |
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}); |
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})(); |
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