{"$schema":"https://ui.shadcn.com/schema/registry-item.json","name":"assignment-tracker","type":"registry:component","title":"Assignment Tracker","description":"A personal coursework list with due dates and simple progress states.","author":"Notion Arena","categories":["docs"],"tags":["widget","free","assignments","school","coursework","due dates","student"],"meta":{"kind":"widget","tier":"free","version":"1.0.0","updatedAt":"2026-10-11","notionPlan":"Free","emoji":"📋","delivery":["embed","html-block","download"],"capabilities":{"interactive":true,"offlineSafe":true,"persistsLocally":true,"writesToNotion":false,"needsNetwork":false},"embedUrl":"https://notionarena.vercel.app/embed/assignment-tracker","fileUrl":"https://notionarena.vercel.app/widgets/assignment-tracker.html","downloadUrl":"https://notionarena.vercel.app/api/widget/assignment-tracker","height":340,"minHeight":250,"maxHeight":500,"params":[{"key":"label","label":"Widget 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Tracker</title>\n<style>\n:root{--bg:#fff;--fg:#37352f;--muted:#6b6a68;--surface:#f7f7f5;--border:#e9e9e7;--accent:#2383e2;--accent-ink:#fff;--accent-text:var(--accent);--danger:#c24136}\nhtml[data-theme=\"dark\"]{--bg:#191919;--fg:#e6e6e4;--muted:#9b9a97;--surface:#252525;--border:#343434;--danger:#ff7369}\n@media(prefers-color-scheme:dark){html[data-theme=\"auto\"]{--bg:#191919;--fg:#e6e6e4;--muted:#9b9a97;--surface:#252525;--border:#343434;--danger:#ff7369}}\n*{box-sizing:border-box}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--fg);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,\"Segoe 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list</div><div class=\"title\" id=\"title\">Assignment tracker</div></div><div class=\"summary\"><b id=\"open\">0</b>unfinished</div></header>\n  <form class=\"form\" id=\"form\"><label class=\"sr-only\" for=\"name\">Assignment</label><input id=\"name\" maxlength=\"60\" placeholder=\"Assignment\" required /><label class=\"sr-only\" for=\"course\">Course</label><input id=\"course\" maxlength=\"40\" placeholder=\"Course\" /><label class=\"sr-only\" for=\"due\">Due date</label><input id=\"due\" type=\"date\" required /><button type=\"submit\">Add</button></form>\n  <section class=\"list\" id=\"list\" aria-label=\"Assignments\"></section>\n  <footer class=\"foot\"><span class=\"status\" id=\"status\" aria-live=\"polite\">Assignments save only in this browser. No course sync.</span><button class=\"clear\" id=\"clear\" type=\"button\">Clear finished</button></footer>\n  <div class=\"note\">A personal organizer, not an official school record or deadline feed.</div>\n</main>\n<script>\n(function(){\n  var cfgEl=document.getElementById('bk-config'),base={};try{base=cfgEl?JSON.parse(cfgEl.textContent||'{}'):{};}catch(e){}var q=new URLSearchParams(location.search),c={};for(var k in base)c[k]=base[k];q.forEach(function(v,k){c[k]=v;});\n  function safeColor(v,d){return /^#[0-9a-f]{6}$/i.test(String(v||''))?String(v):d;}function rgb(h){var s=String(h).slice(1);return[0,2,4].map(function(i){return parseInt(s.slice(i,i+2),16);});}function lum(a){return a.map(function(v){v/=255;return v<=.04045?v/12.92:Math.pow((v+.055)/1.055,2.4);}).reduce(function(s,v,i){return s+v*[.2126,.7152,.0722][i];},0);}function ratio(a,b){var x=lum(a),y=lum(b);return(Math.max(x,y)+.05)/(Math.min(x,y)+.05);}function ink(h){var a=rgb(h);return ratio(a,[255,255,255])>=ratio(a,[0,0,0])?'#fff':'#000';}function textColor(h){var dark=theme==='dark'||(theme==='auto'&&window.matchMedia&&window.matchMedia('(prefers-color-scheme: dark)').matches),bg=rgb(dark?'#252525':'#f7f7f5'),a=rgb(h),to=dark?[255,255,255]:[0,0,0];if(ratio(a,bg)>=4.5)return h;for(var t=.02;t<=1;t+=.02){var m=a.map(function(v,i){return Math.round(v+(to[i]-v)*t);});if(ratio(m,bg)>=4.5)return'#'+m.map(function(v){return v.toString(16).padStart(2,'0');}).join('');}return dark?'#fff':'#191919';}function setText(){document.documentElement.style.setProperty('--accent-text',textColor(ACCENT));}\n  var theme=['auto','light','dark'].indexOf(String(c.theme||'auto'))>=0?String(c.theme||'auto'):'auto',ACCENT=safeColor(c.accent,'#2383e2'),LABEL=String(c.label||'Assignment tracker').slice(0,48),KEY='notion-arena.assignment-tracker.v1',statuses=['To do','In progress','Done'],items=[];\n  document.documentElement.setAttribute('data-theme',theme);document.documentElement.style.setProperty('--accent',ACCENT);document.documentElement.style.setProperty('--accent-ink',ink(ACCENT));setText();if(theme==='auto'&&window.matchMedia){var mq=window.matchMedia('(prefers-color-scheme: dark)');if(mq.addEventListener)mq.addEventListener('change',setText);else if(mq.addListener)mq.addListener(setText);}document.getElementById('title').textContent=LABEL;document.title=LABEL;\n  try{var a=JSON.parse(localStorage.getItem(KEY)||'[]');if(Array.isArray(a))items=a.filter(function(x){return x&&typeof x.name==='string';}).slice(0,100);}catch(e){}\n  var list=document.getElementById('list'),status=document.getElementById('status');function save(msg){try{localStorage.setItem(KEY,JSON.stringify(items));status.textContent=msg||'Assignments save only in this browser. No course sync.';}catch(e){status.textContent='Storage is unavailable in this browser session.';}}\n  function formatDate(v){var d=new Date(v+'T00:00:00');return isNaN(d.getTime())?v:new Intl.DateTimeFormat(undefined,{month:'short',day:'numeric'}).format(d);}\n  function render(){list.textContent='';document.getElementById('open').textContent=String(items.filter(function(x){return x.status!=='Done';}).length);if(!items.length){var empty=document.createElement('div');empty.className='empty';empty.textContent='Add an assignment to start your list.';list.appendChild(empty);return;}items.slice().sort(function(a,b){if((a.status==='Done')!==(b.status==='Done'))return a.status==='Done'?1:-1;return(a.due||'9999').localeCompare(b.due||'9999');}).forEach(function(item){var index=items.indexOf(item),row=document.createElement('div');row.className='row';var title=document.createElement('span');title.className='assignment';title.textContent=item.name;var course=document.createElement('span');course.className='course';course.textContent=item.course||'Course not set';title.appendChild(course);var due=document.createElement('span');due.className='due';due.textContent=formatDate(item.due||'');var select=document.createElement('select');select.setAttribute('aria-label','Status for '+item.name);statuses.forEach(function(x){var o=document.createElement('option');o.value=x;o.textContent=x;select.appendChild(o);});select.value=statuses.indexOf(item.status)>=0?item.status:'To do';select.addEventListener('change',function(){item.status=select.value;save();render();});var remove=document.createElement('button');remove.className='remove';remove.type='button';remove.textContent='×';remove.setAttribute('aria-label','Remove '+item.name);remove.addEventListener('click',function(){items.splice(index,1);save();render();});row.append(title,due,select,remove);list.appendChild(row);});}\n  document.getElementById('form').addEventListener('submit',function(e){e.preventDefault();var name=document.getElementById('name').value.trim().slice(0,60),course=document.getElementById('course').value.trim().slice(0,40),due=document.getElementById('due').value;if(!name||!/^\\d{4}-\\d{2}-\\d{2}$/.test(due))return;if(items.length>=100){status.textContent='Assignment limit reached.';return;}items.push({name:name,course:course,due:due,status:'To do'});document.getElementById('name').value='';document.getElementById('course').value='';document.getElementById('due').value='';save();render();document.getElementById('name').focus();});document.getElementById('clear').addEventListener('click',function(){items=items.filter(function(x){return x.status!=='Done';});save('Finished assignments cleared.');render();});render();\n})();\n</script>\n</body>\n</html>\n"}]}