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export const map = (arr, ...args ) => Array.prototype.map.apply( arr, args );
export const csv = (arr, ...args ) => map( arr, ...args ).join(',');
export const collectionText = arr=> map(arr, e=>getNodeText(e)).join('')
const nop = ()=>''
, isArr = a => Array.isArray(a)
, isT = (a,t) => typeof a === t
, isStr = a => isT(a, 'string')
, isNum = a => isT(a, 'number')
, isFn = a => isT(a, 'function')
, isNode = n => n && n.nodeType
, inWC = n => n.getRootNode().host
, hasAssigned = n=> inWC(n) && n.assignedElements
, each = (arr, cb )=> (arr.forEach(cb),arr)
, clear = n => hasAssigned(n)
? n.assignedElements().forEach( a => a.remove() )
: n.innerHTML='' ;
const node2text = { 1: n=>n.assignedElements
? collectionText(n.assignedElements()) || collectionText(n.childNodes)
: ['SCRIPT','AUDIO','STYLE','CANVAS','DATALIST','EMBED','OBJECT','PICTURE','IFRAME','METER','NOSCRIPT'
,'SELECT','OPTGROUP','PROGRESS','TEMPLATE','VIDEO']
.includes(n.nodeName) ? ''
: n.innerText //collectionText(n.children)
, 3: n=>n.nodeValue
, 11:n=>collectionText(n.children)
};
export const getNodeText = n => (node2text[n.nodeType] || nop)(n);
export const setNodeText = ( n, val ) =>
hasAssigned(n)
? n.assignedElements().forEach( e => e.innerText = val )
: n.innerText = val;
export const assignParent = (arr,n)=>arr.map( e=>n.appendChild(e))
export const collectionHtml = arr => map( arr, n=>n.assignedElements
? map( n.assignedElements(), e=>e.outerHTML ).join('')
: n.innerHTML
).join('');
export const html2NodeArr = html =>
{ const n = document.createElement('div');
n.innerHTML = html;
const wrapIfText = e=>{
if( e.nodeType !== 3 )
return e;
const n = document.createElement('span');
n.append(e);
return n;
};
return [...n.childNodes].map(e=>(e.remove(),e)).map(wrapIfText);
};
export const addNodeHtml = ( n, val ) =>
{
const set = ( to, v )=> ( v instanceof Node
? v.remove() || to.append(v)
: html2NodeArr(v).forEach( e=>to.append(e) )
)
, append = v => hasAssigned(n)
? n.assign( ...n.assignedNodes()
, ...assignParent( each( html2NodeArr(v), e=>e.slot=n.name )
, n.getRootNode().host ) )
: set(n,v);
val instanceof NodeList || isArr(val)
? [ ...val ].forEach( append )
: append(val);
}
export const setNodeHtml = ( n, val ) => { clear(n); addNodeHtml(n,val) };
class
CssChainLocal extends Array
{
attr(...args){ return args.length>1 ? (( args[2] ? this.$(args[2]) : this ).setAttribute(...args),this) : this.getAttribute(...args) }
prop(...args){ return args.length>1 ? (( args[2] ? this.$(args[2]) : this ).forEach( el=>el[args[0]]=args[1]),this ): this[0][args[0]] }
forEach( ...args){ Array.prototype.forEach.apply(this,args); return this }
map( ...args){ return map(this,...args) }
push(...args){ Array.prototype.push.apply(this,args); return this; }
querySelector(css){ return new CssChainLocal().push( this.querySelectorAll(css)[0] ) }
querySelectorAll(css){ return this.reduce( ($,el)=> $.push(...el.querySelectorAll(css) ), new CssChainLocal()) }
$(...args){ return this.querySelectorAll(...args) }
parent(css)
{ const s = new Set()
, add = n=> s.has(n) ? 0 : (s.add(n), n)
, parentLoop = n=> { while( n=n.parentElement )
if( n.matches(css) )
return add(n);
};
return CssChain(this.map( css ? parentLoop : n=>add(n.parentElement) ).filter(n=>n));
}
on(...args){ return this.addEventListener(...args) }
append(val){ return this.forEach( n=> addNodeHtml(n,val)) }
remove(...args)
{ if( !args.length )
{ this.forEach(el=>el.remove()); return new CssChainLocal() }
return isFn(args[1]) ? this.removeEventListener(...args) : this.map(el=>el.matches(args[0])).filter(el=>el) ;
}
clear(){ return this.forEach(n=>clear(n)) }
slot(...arr)
{ const ret = this.$( arr.length
? csv( arr[0].split(',')
, n=> ['""',"''"].includes(n) || !n
? `slot:not([name])`
: `slot[name="${n}"]`
)
: 'slot');
if( arr.length === 2 )
{ ret.html( arr[ 1 ] );
return this
}
return ret;
}
get innerText(){ return this.text() }
set innerText( val ){ return this.text( val ) }
text( val, css=undefined )
{ const arr = css? this.$(css): this;
if( val === undefined )
return collectionText( arr );
arr.forEach( isFn(val)
? (n,i)=>setNodeText(n,val(n,i,arr))
: n=>setNodeText(n,val) );
return this
}
get outerHTML(){ return this.map( e=>e.outerHTML ).join('') }
set outerHTML( val )
{ return this.forEach( (n,i,arr)=>
{ const p = n.parentNode;
html2NodeArr(isFn(val) ? val(n,i,arr): val )
.forEach( e=> p.insertBefore( (arr[i]=e), n));
n.remove();
})
}
get innerHTML(){ return this.html() }
set innerHTML( val ){ return this.html(val) }
html( val, css=undefined )
{ const arr = css? this.$(css): this;
if( val === undefined )
return collectionHtml( arr );
arr.forEach( isFn(val)
? (n,i)=>setNodeHtml(n,val(n,i,arr))
: n=>setNodeHtml(n,val) );
return this
}
assignedElements(){ return CssChain([].concat( ...this.map( el=>el.assignedElements ? el.assignedElements():[] ) ) ) }
assignedNodes(){ return CssChain([].concat( ...this.map( el=>el.assignedNodes ? el.assignedNodes():[] ) ) ) }
cloneNode(...args){ return this.map( el=>el.cloneNode && el.cloneNode(...args) ) }
clone( /* number|array */count, cb=undefined )
{
let arr = count;
if( isNum(count) )
arr = Array.from({length: count}, (v, i) => i);
if( isArr(arr) )
{ const ret = [];
this.forEach( n => arr.forEach( (d,i) =>
{ const m = n.ownerDocument.importNode(n,true)
, x = cb && cb( m, d, i, arr );
isStr(x)
? ret.push( ...html2NodeArr(x) )
: isArr(x)
? ret.push(...x)
: ret.push( isNode(x) ? x : m )
}));
return CssChain( ret );
}
const doc = count;
return this.map( el=> doc? doc.importNode( el,true ): el.cloneNode ? el.cloneNode(true):Object.assign({},el) )
}
get firstElementChild(){ return CssChain(this.map( n=>n.firstElementChild).filter(n=>n)) }
get firstChild(){ return CssChain(this.map( n=>n.firstChild).filter(n=>n)) }
get childNodes(){ return CssChain([].concat( ...map( this, el=>[...(el.childNodes || [] )] ) ) ) }
get children(){ return CssChain([].concat( ...map( this, el=>[...(el.children || [] )] ) ) ) }
}
const appliedTypes = new Set()
, OBJ_prototype = Object.getPrototypeOf( {} );
export function
applyPrototype( nodeOrTag, ApiChain )
{ const node = isStr(nodeOrTag) ? document.createElement(nodeOrTag) : nodeOrTag;
if( appliedTypes.has(node.tagName) )
return;
appliedTypes.add( node.tagName );
for( let k in node )
if( !( k in ApiChain.prototype ) )
setProp( node, k, ApiChain );
for ( let proto; (proto= Object.getPrototypeOf(node)) !== OBJ_prototype && proto != null && !appliedTypes.has(proto) ; )
{ appliedTypes.add(proto);
for( let k of Object.getOwnPropertyNames(proto) )
if( !( k in ApiChain.prototype ) )
setProp( node, k, ApiChain );
}
}
Object.getOwnPropertyNames(window)
.filter(key => key.startsWith('HTML') && key.endsWith('Element')&& key.length > 11 )
.map( key=>key.substring(4,key.length-7).toLowerCase() )
.forEach( tag=>applyPrototype( document.createElement(tag), CssChainLocal ) );
export function
CssChain( css, el=document, protoArr=[] )
{
const arr = 'string'===typeof css
? el.querySelectorAll( css )
: isArr(css) ? css : [css? css.shadowRoot || css : document];
if( isArr( protoArr ) )
{ if( !protoArr.length )
protoArr = [...arr].slice(0,256);
}else
protoArr = [ protoArr ];
protoArr.forEach( el => applyPrototype(el,CssChainLocal) );
const ret = new CssChainLocal();
ret.push(...arr);
return ret;
}
export default CssChain;
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