Error reproduction

yarn
yarn dev

see console errors in https:localhost:3000

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Ensure "true" logged into console, to be sure babel plugin works fine.

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this error should appear: (useless)

 constants.ts:192 Uncaught (in promise) TypeError: Invalid value used as weak map key
     at WeakMap.set (<anonymous>)
     at ConstantsImpl.modifier (constants.ts:192)
     at resolveModifier (resolution.ts:205)
     at encodeOp (encoder.ts:86)
     at pushOp (compilable-template.ts:91)
     at statements.ts:68
     at Compilers.compile (compilers.ts:37)
     at compileStatements (compilable-template.ts:95)
     at maybeCompile (compilable-template.ts:71)
     at CompilableTemplateImpl.compile (compilable-template.ts:44)
 modifier @ constants.ts:192
 resolveModifier @ resolution.ts:205
 encodeOp @ encoder.ts:86
 pushOp @ compilable-template.ts:91
 (anonymous) @ statements.ts:68
 compile @ compilers.ts:37
 compileStatements @ compilable-template.ts:95
 maybeCompile @ compilable-template.ts:71
 compile @ compilable-template.ts:44
 renderInvocation @ render.ts:106
 renderComponent @ render.ts:132
 getTemplateIterator @ index.ts:135
 renderComponent2 @ index.ts:67
 renderComponent @ renderComponent.js:9
 (anonymous) @ main.ts:5

expected error: (meaningful)

 resolution.ts:200 Uncaught (in promise) Error: Attempted to resolve a modifier in a strict mode template, but it was not in scope: on
     at resolveModifier (resolution.ts:200)
     at encodeOp (encoder.ts:86)
     at pushOp (compilable-template.ts:91)
     at statements.ts:68
     at Compilers.compile (compilers.ts:37)
     at compileStatements (compilable-template.ts:95)
     at maybeCompile (compilable-template.ts:71)
     at CompilableTemplateImpl.compile (compilable-template.ts:44)
     at renderInvocation (render.ts:106)
     at renderComponent (render.ts:132)

 should be TRUE in console, because our babel plugins works just fine
console.log(DEBUG);

expected behavour?

search for var DEBUG = false; in node_modules/.vite replace with var DEBUG = true;, restart server, see correct error