SyntaxError: unknown: Support for the experimental syntax 'logicalAssignment' isn't currently enabled (6:2831):

[danielbeeke]

Something seems to have broken:

https://unpkg.com/[email protected]/lit-html.js?module

Cannot generate module for [email protected]/lit-html.js

SyntaxError: unknown: Support for the experimental syntax 'logicalAssignment' isn't currently enabled (6:2831):

  4 |  * SPDX-License-Identifier: BSD-3-Clause
  5 |  */
> 6 | const t=globalThis,i=t.trustedTypes,s=i?i.createPolicy("lit-html",{createHTML:t=>t}):void 0,e="$lit$",h=`lit$${(Math.random()+"").slice(9)}$`,o="?"+h,n=`<${o}>`,r=document,l=()=>r.createComment(""),c=t=>null===t||"object"!=typeof t&&"function"!=typeof t,a=Array.isArray,u=t=>a(t)||"function"==typeof t?.[Symbol.iterator],d="[ \t\n\f\r]",f=/<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g,v=/-->/g,_=/>/g,m=RegExp(`>|${d}(?:([^\\s"'>=/]+)(${d}*=${d}*(?:[^ \t\n\f\r"'\`<>=]|("|')|))|$)`,"g"),p=/'/g,g=/"/g,$=/^(?:script|style|textarea|title)$/i,y=t=>(i,...s)=>({_$litType$:t,strings:i,values:s}),x=y(1),b=y(2),w=Symbol.for("lit-noChange"),T=Symbol.for("lit-nothing"),A=new WeakMap,E=r.createTreeWalker(r,129);function C(t,i){if(!Array.isArray(t)||!t.hasOwnProperty("raw"))throw Error("invalid template strings array");return void 0!==s?s.createHTML(i):i}const P=(t,i)=>{const s=t.length-1,o=[];let r,l=2===i?"<svg>":"",c=f;for(let i=0;i<s;i++){const s=t[i];let a,u,d=-1,y=0;for(;y<s.length&&(c.lastIndex=y,u=c.exec(s),null!==u);)y=c.lastIndex,c===f?"!--"===u[1]?c=v:void 0!==u[1]?c=_:void 0!==u[2]?($.test(u[2])&&(r=RegExp("</"+u[2],"g")),c=m):void 0!==u[3]&&(c=m):c===m?">"===u[0]?(c=r??f,d=-1):void 0===u[1]?d=-2:(d=c.lastIndex-u[2].length,a=u[1],c=void 0===u[3]?m:'"'===u[3]?g:p):c===g||c===p?c=m:c===v||c===_?c=f:(c=m,r=void 0);const x=c===m&&t[i+1].startsWith("/>")?" 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R{constructor(t,i,s,e,h){super(t,i,s,e,h),this.type=5}_$AI(t,i=this){if((t=N(this,t,i,0)??T)===w)return;const s=this._$AH,e=t===T&&s!==T||t.capture!==s.capture||t.once!==s.once||t.passive!==s.passive,h=t!==T&&(s===T||e);e&&this.element.removeEventListener(this.name,this,s),h&&this.element.addEventListener(this.name,this,t),this._$AH=t}handleEvent(t){"function"==typeof this._$AH?this._$AH.call(this.options?.host??this.element,t):this._$AH.handleEvent(t)}}class L{constructor(t,i,s){this.element=t,this.type=6,this._$AN=void 0,this._$AM=i,this.options=s}get _$AU(){return this._$AM._$AU}_$AI(t){N(this,t)}}const z={S:e,A:h,P:o,C:1,M:P,L:S,R:u,V:N,D:M,I:R,H,N:I,U:k,B:L},Z=t.litHtmlPolyfillSupport;Z?.(V,M),(t.litHtmlVersions??=[]).push("3.0.0");const j=(t,i,s)=>{const e=s?.renderBefore??i;let h=e._$litPart$;if(void 0===h){const t=s?.renderBefore??null;e._$litPart$=h=new M(i.insertBefore(l(),t),t,void 0,s??{})}return h._$AI(t),h};export{z as _$LH,x as html,w as noChange,T as nothing,j as render,b as svg};
    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               ^
  7 | 
  8 | 

Add @babel/plugin-proposal-logical-assignment-operators (https://git.io/vAlRe) to the 'plugins' section of your Babel config to enable transformation.

undefined

Previously worked fine. Can I help somewhere more with debugging? Or other things?

[danielbeeke]

Excuse me, it might not have worked in the past. I had not pinned the dependency.

[dpeter99]

Is there a solution for this?
I had this working 2 weeks ago?

https://unpkg.com/[email protected]/lit-element.js?module

Cannot generate module for [email protected]/lit-element.js

SyntaxError: unknown: Support for the experimental syntax 'logicalAssignment' isn't currently enabled (6:194):

  4 |  * Copyright 2017 Google LLC
  5 |  * SPDX-License-Identifier: BSD-3-Clause
> 6 |  */class s extends t{constructor(){super(...arguments),this.renderOptions={host:this},this._$Do=void 0}createRenderRoot(){const t=super.createRenderRoot();return this.renderOptions.renderBefore??=t.firstChild,t}update(t){const i=this.render();this.hasUpdated||(this.renderOptions.isConnected=this.isConnected),super.update(t),this._$Do=e(i,this.renderRoot,this.renderOptions)}connectedCallback(){super.connectedCallback(),this._$Do?.setConnected(!0)}disconnectedCallback(){super.disconnectedCallback(),this._$Do?.setConnected(!1)}render(){return i}}s._$litElement$=!0,s[("finalized","finalized")]=!0,globalThis.litElementHydrateSupport?.({LitElement:s});const r=globalThis.litElementPolyfillSupport;r?.({LitElement:s});const o={_$AK:(t,e,i)=>{t._$AK(e,i)},_$AL:t=>t._$AL};(globalThis.litElementVersions??=[]).push("4.0.0");export{s as LitElement,o as _$LE};
    |                                                                                                                                                                                                  ^
  7 | 
  8 | 

Add @babel/plugin-proposal-logical-assignment-operators (https://git.io/vAlRe) to the 'plugins' section of your Babel config to enable transformation.

undefined

[augustjk]

Related #351