preact-render-to-string/dist/stream/index.js

Render JSX to an HTML string, with support for Preact components.

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K=T,Y=0;Y<O.tpl.length;Y++)if(K+=O.tpl[Y],O.exprs&&Y<O.exprs.length){var G=O.exprs[Y];if(null==G)continue;"object"!=typeof G||void 0!==G.constructor&&!L(G)?K+=G:K+=$(G,n,d,v,t,g,y)}return K}if("UNSTABLE_comment"in O)return"\x3c!--"+h(O.UNSTABLE_comment)+"--\x3e";z=O.children}else{if(null!=(R=I.contextType)){var J=n[R.__c];V=J?J.props.value:R.__}var Q=I.prototype&&"function"==typeof I.prototype.render;if(Q)z=/**#__NOINLINE__**/N(t,V),B=t[r];else{t[r]=B=/**#__NOINLINE__**/b(t,V);for(var X=0;f(B)&&X++<25;){p(B),w&&w(t);try{z=I.call(B,O,V)}catch(e){throw g&&e&&"function"==typeof e.then&&(t._suspended=!0),e}}u(B)}if(null!=B.getChildContext&&(n=P({},n,B.getChildContext())),Q&&e.options.errorBoundaries&&(I.getDerivedStateFromError||B.componentDidCatch)){z=null!=z&&z.type===e.Fragment&&null==z.key&&null==z.props.tpl?z.props.children:z;try{return $(z,n,d,v,t,g,!1)}catch(i){return 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se=O[ae];if("function"!=typeof(se=U(se)?se.value:se)||"class"===ae||"className"===ae){switch(ae){case"children":ne=se;continue;case"key":case"ref":case"__self":case"__source":continue;case"htmlFor":if("for"in O)continue;ae="for";break;case"className":if("class"in O)continue;ae="class";break;case"defaultChecked":ae="checked";break;case"defaultSelected":ae="selected";break;case"defaultValue":case"value":switch(ae="value",I){case"textarea":ne=se;continue;case"select":v=se;continue;case"option":v!=se||"selected"in O||(oe+=" selected")}break;case"dangerouslySetInnerHTML":ie=se&&se.__html;continue;case"style":"object"==typeof se&&(se=_(se));break;case"acceptCharset":ae="accept-charset";break;case"httpEquiv":ae="http-equiv";break;default:if(a.test(ae))ae=ae.replace(a,"$1:$2").toLowerCase();else{if(i.test(ae))continue;"-"!==ae[4]&&!l.has(ae)||null==se?d?c.test(ae)&&(ae="panose1"===ae?"panose-1":ae.replace(/([A-Z])/g,"-$1").toLowerCase()):s.test(ae)&&(ae=ae.toLowerCase()):se+=T}}null!=se&&!1!==se&&(oe=!0===se||se===T?oe+" "+ae:oe+" "+ae+'="'+("string"==typeof se?h(se):se+T)+'"')}}if(i.test(I))throw new Error(I+" is not a valid HTML tag name in "+oe+">");if(ie||("string"==typeof ne?ie=h(ne):null!=ne&&!1!==ne&&!0!==ne&&(ie=$(ne,n,"svg"===I||"foreignObject"!==I&&d,v,t,g,y))),k&&k(t),C&&C(t),!ie&&M.has(I))return oe+"/>";var ce="</"+I+">",le=oe+">";return L(ie)?[le].concat(ie,[ce]):"string"!=typeof ie?[le,ie,ce]:le+ie+ce}var M=new Set(["area","base","br","col","command","embed","hr","img","input","keygen","link","meta","param","source","track","wbr"]);function U(e){return null!==e&&"object"==typeof e&&"function"==typeof e.peek&&"value"in e}function Z(e,t){return'<preact-island hidden data-target="'+e+'">'+t+"</preact-island>"}var q=function e(t){try{var r=function(){if(t.suspended.length>0){var r=[].concat(t.suspended);return Promise.resolve(Promise.all(t.suspended.map(function(e){return e.promise}))).then(function(){return t.suspended=t.suspended.filter(function(e){return!r.includes(e)}),Promise.resolve(e(t)).then(function(){})})}}();return Promise.resolve(r&&r.then?r.then(function(){}):void 0)}catch(e){return Promise.reject(e)}},H=function(e,t){var r=t.context,n=t.onWrite,o=t.abortSignal;try{r=r||{};var i={start:Date.now(),abortSignal:o,onWrite:n,onError:I,suspended:[]},a=D(e,r,i),s=i.suspended.length,c=function(){if(s>0){var e=a.lastIndexOf("</body>"),t=a.trimStart().startsWith("<html"),r=-1!==e?a.slice(0,e):a;return n((t?"<!DOCTYPE html>":"")+r),n("<div hidden>"),n('<script>(function(){class e extends HTMLElement{connectedCallback(){var e=this;if(!e.isConnected)return;let t=this.getAttribute("data-target");if(t){for(var r,a,i=document.createNodeIterator(document,128);i.nextNode();){let e=i.referenceNode;if(e.data=="preact-island:"+t?r=e:e.data=="/preact-island:"+t&&(a=e),r&&a)break}r&&a&&r.parentNode!==document&&requestAnimationFrame((()=>{for(var t=a.previousSibling;t!=r&&t&&t!=r;)a.parentNode.removeChild(t),t=a.previousSibling;for(i=r;e.firstChild;)r=e.firstChild,e.removeChild(r),i.after(r),i=r;e.parentNode.removeChild(e)}))}}}customElements.define("preact-island",e);}())<\/script>'),Promise.resolve(q(i)).then(function(){n("</div>"),-1!==e&&n(a.slice(e))})}n(a)}();return Promise.resolve(c&&c.then?c.then(function(){}):void 0)}catch(e){return Promise.reject(e)}};function I(e,t,n){var o=this;if(e&&e.then){for(;t=t.__;){var i=t[r];if(i&&i.__c)break}if(t){var a=t.__v,s=this.suspended.find(function(e){return e.id===a}),c=new S,l=this.abortSignal;l&&(l.aborted?c.resolve():l.addEventListener("abort",c.resolve));var u=e.then(function(){if(!l||!l.aborted){var e=n(t.props.children,t);e&&o.onWrite(Z(a,e))}},this.onError);this.suspended.push({id:a,vnode:t,promise:Promise.race([u,c.promise])});var p=n(t.props.fallback);return s?"":"\x3c!--preact-island:"+a+"--\x3e"+p+"\x3c!--/preact-island:"+a+"--\x3e"}}}exports.renderToReadableStream=function(e,t){var r=new S,n=new TextEncoder("utf-8"),o=new ReadableStream({start:function(o){H(e,{context:t,onError:function(e){r.reject(e),o.abort(e)},onWrite:function(e){o.enqueue(n.encode(e))}}).then(function(){o.close(),r.resolve()}).catch(function(e){o.error(e),r.reject(e)})}});return o.allReady=r.promise,o};
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