@ramstack/alpinegear-bound/alpinegear-bound.esm.min.js

@ramstack/alpinegear-bound provides the 'x-bound' Alpine.js directive, which allows for two-way binding of input elements and their associated data properties.

function e(e,...t){const n=e(...t);return()=>{let e;return n(t=>e=t),t=e,"function"==typeof t?.get?e.get():e;var t}}function t(e,...t){const n=e(...t);t[t.length-1]=`${t.at(-1)} = __val`;const i=e(...t);return e=>{let t;n(e=>t=e),function(e){return"function"==typeof e?.set}(t)?t.set(e):i(()=>{},{scope:{__val:e}})}}const n=Symbol();let i;const a=(...e)=>console.warn("alpinegear.js:",...e),r=Array.isArray,o=e=>null==e,c=e=>"checkbox"===e.type||"radio"===e.type,s=e=>r(e)?e:[e],u=(e,t)=>e==t,l=(e,t)=>e.findIndex(e=>e==t),d=(e,t)=>e.includes(t),f=(e,t,n,i)=>(e.addEventListener(t,n,i),()=>e.removeEventListener(t,n,i)),p=e=>"object"==typeof e?JSON.parse(JSON.stringify(e)):e;function h(e,t,n=null){const{effect:i,release:a}=Alpine;let r,o,c,s=!1;const u=i(()=>{r=e(),s||(n?.deep&&JSON.stringify(r),o=r),(s||(n?.immediate??1))&&(c=setTimeout(()=>{t(r,o),o=r})),s=!0});return()=>{clearTimeout(c),a(u)}}const v=new Map("value,checked,files,innerHTML,innerText,textContent,videoHeight,videoWidth,naturalHeight,naturalWidth,clientHeight,clientWidth,offsetHeight,offsetWidth,indeterminate,open,group".split(",").map(e=>[e.trim().toLowerCase(),e.trim()]));function b({directive:b,entangle:g,evaluateLater:m,mapAttributes:k,mutateDom:x,prefixed:y}){k(e=>({name:e.name.replace(/^&/,y("bound:")),value:e.value})),b("bound",(b,{expression:k,value:y,modifiers:T},{effect:L,cleanup:w})=>{if(!y)return void a("x-bound directive expects the presence of a bound property name");const E=b.tagName.toUpperCase();k=k?.trim();const H=v.get(y.trim().replace("-","").toLowerCase());k||=H;const _=e(m,b,k),S=t(m,b,k),A=()=>u(b[H],_())||x(()=>b[H]=_()),W=()=>S((e=>"number"===e.type||"range"===e.type)(b)?function(e){return""===e?null:+e}(b[H]):b[H]);let C;switch(H){case"value":!function(){switch(E){case"INPUT":case"TEXTAREA":o(_())&&W(),L(A),w(f(b,"input",W)),C=!0;break;case"SELECT":setTimeout(()=>{o(_())&&W(),L(()=>function(e,t){for(const n of e.options)n.selected=l(t,n.value)>=0}(b,s(_()??[]))),w(f(b,"change",()=>S(function(e){return e.multiple?[...e.selectedOptions].map(e=>e.value):e.value}(b))))}),C=!0}}();break;case"checked":c(b)&&(L(A),w(f(b,"change",W)),C=!0);break;case"files":"file"===b.type&&(_()instanceof FileList||W(),L(A),w(f(b,"input",W)),C=!0);break;case"innerHTML":case"innerText":case"textContent":b.isContentEditable&&(o(_())&&W(),L(A),w(f(b,"input",W)),C=!0);break;case"videoHeight":case"videoWidth":O("VIDEO","resize");break;case"naturalHeight":case"naturalWidth":O("IMG","load");break;case"clientHeight":case"clientWidth":case"offsetHeight":case"offsetWidth":w(function(e,t){return i??=new ResizeObserver(e=>{for(const t of e)for(const e of t.target[n]?.values()??[])e(t)}),e[n]??=new Set,e[n].add(t),i.observe(e),()=>{e[n].delete(t),e[n].size||(i.unobserve(e),e[n]=null)}}(b,W)),C=!0;break;case"indeterminate":"checkbox"===b.type&&(o(_())&&W(),L(A),w(f(b,"change",W)),C=!0);break;case"open":!function(){const[e,t]=["DETAILS"===E,"DIALOG"===E];(e||t)&&((t||o(_()))&&W(),e&&L(A),w(f(b,"toggle",W)),C=!0)}();break;case"group":c(b)&&(b.name||x(()=>b.name=k),L(()=>x(()=>function(e,t){e.checked=r(t)?l(t,e.value)>=0:u(e.value,t)}(b,_()??[]))),w(f(b,"input",()=>S(function(e,t){if("radio"===e.type)return e.value;t=s(t);const n=l(t,e.value);return e.checked?n>=0||t.push(e.value):n>=0&&t.splice(n,1),t}(b,_())))),C=!0)}if(!C){const n=d(T,"in")?"in":d(T,"out")?"out":"inout",i=k===y?((e,t)=>{for(;e&&!t(e);)e=(e._x_teleportBack??e).parentElement;return e})(b.parentNode,e=>e._x_dataStack):b;if(!b._x_dataStack)return void a("x-bound directive requires the presence of the x-data directive to bind component properties");if(!i)return void a(`x-bound directive cannot find the parent scope where the '${y}' property is defined`);const r={get:e(m,i,k),set:t(m,i,k)},o={get:e(m,b,y),set:t(m,b,y)};switch(n){case"in":w(h(()=>r.get(),e=>o.set(p(e))));break;case"out":w(h(()=>o.get(),e=>r.set(p(e))));break;default:w(g(r,o))}}function O(e,t){E===e&&(W(),w(f(b,t,W)),C=!0)}})}export{b as bound,b as default};