diff --git a/dist/alt-text-checker.min.js b/dist/alt-text-checker.min.js
index 368ad42..cb24f79 100644
--- a/dist/alt-text-checker.min.js
+++ b/dist/alt-text-checker.min.js
@@ -1 +1 @@
-!function(){"use strict";const e="atc",t={success:{bg:"lime",outline:"#000",text:"#000"},error:{bg:"#EB0000",outline:"#fff",text:"#fff"},warning:{bg:"orange",outline:"#000",text:"#000"},excluded:{bg:"#e0e0e0",outline:"#666",text:"#333"},info:{bg:"yellow",outline:"#000",text:"#000"}},n={success:"OK",error:"FEHLER",warning:"WARNUNG",excluded:"AUSGESCHLOSSEN",info:"INFO"},o={"font-family":"sans-serif","font-size":"small",padding:"5px 8px",outline:"2px dotted #000","outline-offset":"-3px",border:"0",cursor:"default","z-index":"2147483647"};function l(){return"alt-text-checker:excluded:"+location.href}function r(){try{const e=localStorage.getItem(l());return e?JSON.parse(e):[]}catch(e){return[]}}function i(e){if("IMG"===e.tagName)return e.currentSrc||e.src||null;const t=e.closest?e.closest("a[href]"):null;if(t&&t.href)return`role-img:${t.href}`;const n=e.getAttribute("aria-label");return n?`role-img:${n}`:null}function a(e){const t=i(e);if(null===t)return;const n=r(),o=n.indexOf(t);-1===o?n.push(t):n.splice(o,1),function(e){try{localStorage.setItem(l(),JSON.stringify(e))}catch(e){}}(n)}function c(e,t,n){let o=0;return Array.from((t||document).querySelectorAll(e)).forEach(e=>{n(e),o+=1}),Array.from((t||document).querySelectorAll("*")).forEach(t=>{t.shadowRoot&&(o+=c(e,t.shadowRoot,n))}),o}function s(e){return!(!e.parentNode||"A"!==e.parentNode.tagName&&!s(e.parentNode))}function u(l,r,i,a){const c=t[r],s=!!(a=a||{}).global,u=document.createElement(s?"label":"button");u.className=`${e} ${e}-${r}`.trim();const d=Object.assign({},o,{"background-color":c.bg,"outline-color":c.outline,color:c.text});var f;"absolute"===a.position&&l.offsetParent&&l.offsetParent!==document.body&&(d.left=`${l.offsetLeft}px`,d.top=`${l.offsetTop}px`),a.extraStyle&&Object.assign(d,a.extraStyle),u.setAttribute("style",(f=d,Object.keys(f).map(e=>`${e}:${f[e]}`).join(";")));const g=a.icon||"";if(s)u.textContent=g?`${g} ${i}`:i;else{u.appendChild(document.createTextNode(g));const t=document.createElement("span");t.className=`${e}-badge`,t.textContent=n[r]||"",t.style.marginLeft="4px",t.style.fontWeight="700",u.appendChild(t);const o=document.createElement("span");if(o.className=`${e}-details`,o.appendChild(function(e){const t=document.createDocumentFragment();return e.forEach(e=>{if("string"==typeof e)t.appendChild(document.createTextNode(e));else if(void 0!==e.code){const n=document.createElement("code");n.textContent=e.code,t.appendChild(n)}else if(void 0!==e.strike){const n=document.createElement("s");n.textContent=e.strike,t.appendChild(n)}}),t}(i)),o.style.color="inherit",o.style.marginLeft="4px",u.appendChild(o),!a.alwaysOpen){o.style.display="none";const t=()=>{0===document.querySelectorAll(`.${e}-toggle:checked`).length&&(o.style.display="inline")},n=()=>{0===document.querySelectorAll(`.${e}-toggle:checked`).length&&(o.style.display="none")};u.addEventListener("focus",t),u.addEventListener("mouseover",t),u.addEventListener("blur",n),u.addEventListener("mouseout",n)}}if(a.onClick&&u.addEventListener("click",e=>{e.preventDefault(),e.stopPropagation(),a.onClick()}),s&&a.withToggle){u.appendChild(document.createTextNode(" — alle Details anzeigen"));const t=document.createElement("input");t.type="checkbox",t.className=`${e}-toggle`,t.style.margin="0 0 0 4px",t.style.verticalAlign="baseline",t.addEventListener("change",function(){document.querySelectorAll(`.${e}-details`).forEach(e=>{e.style.display=this.checked?"inline":"none"})}),u.appendChild(t)}return s&&(document.querySelectorAll(`.${e}-global`).forEach(e=>e.remove()),u.className+=` ${e}-global`),"absolute"===a.position&&l.parentNode?l.parentNode.insertBefore(u,l.nextSibling):(a.insertInto||l.parentNode).appendChild(u),u}function d(e,t){const n=t.getAttribute(e);if(!n)return null;const o=n.split(" ").map(e=>e.trim()).filter(Boolean),l=[];return o.forEach(n=>{const o=document.getElementById(n);if(!o)return;u(o,"warning",[`Referenziert von [${e}="`,{code:t.id||"…"},'"]'],{icon:"⚠️",position:"absolute"});const r=o.textContent.trim();r&&l.push(r)}),l.length?l.join(" "):null}!function t(){c(`.${e}`,document,e=>e.remove());const n=r(),o={ok:0,error:0,warning:0,excluded:0,total:0};c("a[alt], button[alt], label[alt]",document,e=>{u(e,"error",[`<${e.tagName.toLowerCase()}> mit ungültigem `,{code:`alt="${e.getAttribute("alt")}"`}],{icon:"✖",position:"absolute"})}),c('img, [role="img"]',document,e=>{if(o.total+=1,function(e,t){const n=i(e);return null!==n&&t.includes(n)}(e,n))return o.excluded+=1,void u(e,"excluded",["Ausgeschlossen (manuell als dekorativ markiert)"],{icon:"⦸",position:"absolute",onClick:()=>{a(e),t()}});const l=e.hasAttribute("alt"),r=l?e.getAttribute("alt"):null,c=e.hasAttribute("aria-label"),f=d("aria-describedby",e),g=d("aria-labelledby",e),m=e.hasAttribute("title"),p=e.hasAttribute("longdesc"),h=c||null!==f||null!==g,b=s(e)?"Bild in Link: ":"",y=[];let x,$;if(m&&y.push(" ",{code:`title="${e.getAttribute("title")}"`}),p&&y.push(" ",{code:`longdesc="${e.getAttribute("longdesc")}"`}),l){const e=0===r.trim().length;x=[b,{code:`alt="${r}"`},...y],$=e?"warning":"success"}else if(h){x=[m?"":b,{strike:"alt"}," fehlt, aber ARIA-Name vorhanden: ",{code:c?e.getAttribute("aria-label"):g||f},...y],$="warning"}else x=[b,{strike:"alt"}," fehlt",...y],$="error";o["success"===$?"ok":$]+=1,u(e,$,x,{icon:"success"===$?"✔":"error"===$?"✖":"⚠️",position:"absolute",onClick:()=>{a(e),t()}})});const l=o.error>0?"error":o.warning>0?"warning":"success",f=o.total?`Bilder: ${o.total} · ✔ ${o.ok} OK · ✖ ${o.error} Fehler · ⚠️ ${o.warning} 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\ No newline at end of file
+!function(){"use strict";const e="atc",t={success:{bg:"lime",outline:"#000",text:"#000"},error:{bg:"#EB0000",outline:"#fff",text:"#fff"},warning:{bg:"orange",outline:"#000",text:"#000"},excluded:{bg:"#e0e0e0",outline:"#666",text:"#333"},info:{bg:"yellow",outline:"#000",text:"#000"}},n={success:"OK",error:"FEHLER",warning:"WARNUNG",excluded:"AUSGESCHLOSSEN",info:"INFO"},o={"font-family":"sans-serif","font-size":"small",padding:"5px 8px",outline:"2px dotted #000","outline-offset":"-3px",border:"0",cursor:"default","z-index":"2147483647"};function l(){return"alt-text-checker:excluded:"+location.href}function r(){try{const e=localStorage.getItem(l());return e?JSON.parse(e):[]}catch(e){return[]}}function i(e){if(null===e)return;const t=r(),n=t.indexOf(e);-1===n?t.push(e):t.splice(n,1),function(e){try{localStorage.setItem(l(),JSON.stringify(e))}catch(e){}}(t)}function a(e,t,n){let o=0;return Array.from((t||document).querySelectorAll(e)).forEach(e=>{n(e),o+=1}),Array.from((t||document).querySelectorAll("*")).forEach(t=>{t.shadowRoot&&(o+=a(e,t.shadowRoot,n))}),o}function c(e){return!(!e.parentNode||"A"!==e.parentNode.tagName&&!c(e.parentNode))}function s(l,r,i,a){const c=t[r],s=!!(a=a||{}).global,u=document.createElement(s?"label":"button");u.className=`${e} ${e}-${r}`.trim();const d=Object.assign({},o,{"background-color":c.bg,"outline-color":c.outline,color:c.text});var f;"absolute"===a.position&&l.offsetParent&&l.offsetParent!==document.body&&(d.left=`${l.offsetLeft}px`,d.top=`${l.offsetTop}px`),a.extraStyle&&Object.assign(d,a.extraStyle),u.setAttribute("style",(f=d,Object.keys(f).map(e=>`${e}:${f[e]}`).join(";")));const g=a.icon||"";if(s)u.textContent=g?`${g} ${i}`:i;else{u.appendChild(document.createTextNode(g));const t=document.createElement("span");t.className=`${e}-badge`,t.textContent=n[r]||"",t.style.marginLeft="4px",t.style.fontWeight="700",u.appendChild(t);const o=document.createElement("span");if(o.className=`${e}-details`,o.appendChild(function(e){const t=document.createDocumentFragment();return e.forEach(e=>{if("string"==typeof e)t.appendChild(document.createTextNode(e));else if(void 0!==e.code){const n=document.createElement("code");n.textContent=e.code,t.appendChild(n)}else if(void 0!==e.strike){const n=document.createElement("s");n.textContent=e.strike,t.appendChild(n)}}),t}(i)),o.style.color="inherit",o.style.marginLeft="4px",u.appendChild(o),!a.alwaysOpen){o.style.display="none";const t=()=>{0===document.querySelectorAll(`.${e}-toggle:checked`).length&&(o.style.display="inline")},n=()=>{0===document.querySelectorAll(`.${e}-toggle:checked`).length&&(o.style.display="none")};u.addEventListener("focus",t),u.addEventListener("mouseover",t),u.addEventListener("blur",n),u.addEventListener("mouseout",n)}}if(a.onClick&&u.addEventListener("click",e=>{e.preventDefault(),e.stopPropagation(),a.onClick()}),s&&a.withToggle){u.appendChild(document.createTextNode(" — alle Details anzeigen"));const t=document.createElement("input");t.type="checkbox",t.className=`${e}-toggle`,t.style.margin="0 0 0 4px",t.style.verticalAlign="baseline",t.addEventListener("change",function(){document.querySelectorAll(`.${e}-details`).forEach(e=>{e.style.display=this.checked?"inline":"none"})}),u.appendChild(t)}return s&&(document.querySelectorAll(`.${e}-global`).forEach(e=>e.remove()),u.className+=` ${e}-global`),"absolute"===a.position&&l.parentNode?l.parentNode.insertBefore(u,l.nextSibling):(a.insertInto||l.parentNode).appendChild(u),u}function u(e,t){const n=t.getAttribute(e);if(!n)return null;const o=n.split(" ").map(e=>e.trim()).filter(Boolean),l=[];return o.forEach(n=>{const o=document.getElementById(n);if(!o)return;s(o,"warning",[`Referenziert von [${e}="`,{code:t.id||"…"},'"]'],{icon:"⚠️",position:"absolute"});const r=o.textContent.trim();r&&l.push(r)}),l.length?l.join(" "):null}!function t(){a(`.${e}`,document,e=>e.remove());const n=r(),o=new Map,l={ok:0,error:0,warning:0,excluded:0,total:0};a("a[alt], button[alt], label[alt]",document,e=>{s(e,"error",[`<${e.tagName.toLowerCase()}> mit ungültigem `,{code:`alt="${e.getAttribute("alt")}"`}],{icon:"✖",position:"absolute"})}),a('img, [role="img"]',document,e=>{l.total+=1;const r=function(e,t){const n=function(e){if("IMG"===e.tagName)return e.currentSrc||e.src||null;const t=e.closest?e.closest("a[href]"):null;if(t&&t.href)return`role-img:${t.href}`;const n=e.getAttribute("aria-label");return n?`role-img:${n}`:null}(e);if(null===n)return null;const o=t.get(n)||0;return t.set(n,o+1),`${n}#${o}`}(e,o);if(function(e,t){return null!==e&&t.includes(e)}(r,n))return l.excluded+=1,void s(e,"excluded",["Ausgeschlossen (manuell als dekorativ markiert)"],{icon:"⦸",position:"absolute",onClick:()=>{i(r),t()}});const a=e.hasAttribute("alt"),d=a?e.getAttribute("alt"):null,f=e.hasAttribute("aria-label"),g=u("aria-describedby",e),p=u("aria-labelledby",e),m=e.hasAttribute("title"),h=e.hasAttribute("longdesc"),b=f||null!==g||null!==p,y=c(e)?"Bild in Link: ":"",x=[];let $,A;if(m&&x.push(" ",{code:`title="${e.getAttribute("title")}"`}),h&&x.push(" ",{code:`longdesc="${e.getAttribute("longdesc")}"`}),a){const e=0===d.trim().length;$=[y,{code:`alt="${d}"`},...x],A=e?"warning":"success"}else if(b){$=[m?"":y,{strike:"alt"}," fehlt, aber ARIA-Name vorhanden: 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\ No newline at end of file
diff --git a/dist/bookmarklet.txt b/dist/bookmarklet.txt
index 3cea875..1919059 100644
--- a/dist/bookmarklet.txt
+++ b/dist/bookmarklet.txt
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/src/alt-text-checker.js b/src/alt-text-checker.js
index 905cfc0..8982da6 100644
--- a/src/alt-text-checker.js
+++ b/src/alt-text-checker.js
@@ -80,13 +80,24 @@
return null;
}
- function isExcluded(img, exclusions) {
- const id = imageIdentifier(img);
+ // Mehrere Bilder können dieselbe imageIdentifier() haben (z.B. dasselbe Icon
+ // mehrfach auf der Seite). Ohne Zusatz würde ein Ausschluss dann alle gleich
+ // aussehenden Bilder treffen. Der Zähler hängt daher pro Lauf eine laufende
+ // Nummer an, sodass jedes Vorkommen einzeln aus-/eingeschlossen werden kann –
+ // stabil über Neuladen, solange Reihenfolge und Anzahl der Duplikate gleich bleiben.
+ function instanceIdentifier(img, occurrenceCounts) {
+ const base = imageIdentifier(img);
+ if (base === null) return null;
+ const n = occurrenceCounts.get(base) || 0;
+ occurrenceCounts.set(base, n + 1);
+ return `${base}#${n}`;
+ }
+
+ function isExcluded(id, exclusions) {
return id !== null && exclusions.includes(id);
}
- function toggleExclusion(img) {
- const id = imageIdentifier(img);
+ function toggleExclusion(id) {
if (id === null) return;
const exclusions = loadExclusions();
const idx = exclusions.indexOf(id);
@@ -288,6 +299,7 @@
function run() {
removePreviousRun();
const exclusions = loadExclusions();
+ const occurrenceCounts = new Map();
const stats = { ok: 0, error: 0, warning: 0, excluded: 0, total: 0 };
// Fehlerhafte Verwendung von alt auf Nicht-![]()
-Elementen
@@ -302,14 +314,15 @@
deepQueryAll('img, [role="img"]', document, (img) => {
stats.total += 1;
+ const id = instanceIdentifier(img, occurrenceCounts);
- if (isExcluded(img, exclusions)) {
+ if (isExcluded(id, exclusions)) {
stats.excluded += 1;
createLabel(img, 'excluded', ['Ausgeschlossen (manuell als dekorativ markiert)'], {
icon: '⦸',
position: 'absolute',
onClick: () => {
- toggleExclusion(img);
+ toggleExclusion(id);
run();
}
});
@@ -358,7 +371,7 @@
icon: kind === 'success' ? '✔' : kind === 'error' ? '✖' : '⚠️',
position: 'absolute',
onClick: () => {
- toggleExclusion(img);
+ toggleExclusion(id);
run();
}
});
diff --git a/test/testseite.html b/test/testseite.html
index 98eb07c..7c1af0b 100644
--- a/test/testseite.html
+++ b/test/testseite.html
@@ -36,5 +36,12 @@
8. Bild mit potenziell gefährlichem alt-Text (XSS-Test):
+
+ 9a. Dasselbe Bild dreimal ohne alt (Duplikat-Test – nur dieses eine ausschließen):
+ 
+ 9b. Zweites Vorkommen desselben Bildes:
+
+ 9c. Drittes Vorkommen desselben Bildes:
+