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var diff={attrs(elem){const attrs={};for(let i=0;i<elem.attributes.length;i++){const attr=elem.attributes[i];attrs[attr.name]=attr.value}return attrs},nodesByKey(parent,makeKey){const map={};for(let j=0;j<parent.childNodes.length;j++){const key=makeKey(parent.childNodes[j]);key&&(map[key]=parent.childNodes[j])}return map},merge(base,modified,opts){if((opts=opts||{}).key=opts.key||(node=>node.id),"string"==typeof modified){const html=modified;(modified=document.createElement(base.tagName)).innerHTML=html}const nodesByKey={old:this.nodesByKey(base,opts.key),new:this.nodesByKey(modified,opts.key)};let idx;for(idx=0;modified.firstChild;idx++){const newNode=modified.removeChild(modified.firstChild);if(idx>=base.childNodes.length){base.appendChild(newNode);continue}let baseNode=base.childNodes[idx];const newKey=opts.key(newNode);if(opts.key(baseNode)||newKey){const match=newKey&&newKey in nodesByKey.old?nodesByKey.old[newKey]:newNode;match!==baseNode&&(baseNode=base.insertBefore(match,baseNode))}if(baseNode.nodeType!==newNode.nodeType||baseNode.tagName!==newNode.tagName)base.replaceChild(newNode,baseNode);else if([Node.TEXT_NODE,Node.COMMENT_NODE].indexOf(baseNode.nodeType)>=0){if(baseNode.textContent===newNode.textContent)continue;baseNode.textContent=newNode.textContent}else if(baseNode!==newNode){const attrs={base:this.attrs(baseNode),new:this.attrs(newNode)};for(const attr in attrs.base)attr in attrs.new||baseNode.removeAttribute(attr);for(const attr in attrs.new)attr in attrs.base&&attrs.base[attr]===attrs.new[attr]||baseNode.setAttribute(attr,attrs.new[attr]);this.merge(baseNode,newNode)}}for(;base.childNodes.length>idx;)base.removeChild(base.lastChild)}};
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/*! Um v0.5.0 | MIT LICENSE | https://github.com/n2geoff/um */function app(opts){const state=check(opts.state,{}),view=check(opts.view,(()=>null)),actions=check(opts.actions,{}),mount=opts.mount||"body";function check(value,type){return typeof value==typeof type?value:type}const update=()=>{diff.merge(document.querySelector(mount),view(state,actions))};return opts.view&&mount&&function(data,actions){Object.entries(actions).forEach((([name,action])=>{"function"==typeof action&&(actions[name]=(...args)=>{Object.assign(state,action(data,...args)),update()})})),update()}(state,actions),{state:state,update:update}}function h(tag,...args){const el=document.createElement(tag);for(let i=0;i<args.length;i++)if(value=args[i],["boolean","string","number"].includes(typeof value))el.appendChild(document.createTextNode(args[i]));else if(Array.isArray(args[i]))el.append(...args[i]);else for(const[k,v]of Object.entries(args[i]))el.setAttribute(k,v),el[k]=v;var value;return el}export{app,h};
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