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Are you using a bundler for your javascript? Most of them remove those lines automatically during the build process. We have them so when you do a dev build (

NODE_ENV=development

), we include much more verbose logging while keeping the production build small.

Using

tsc

and

rollup

Ok. Most rollup configs have that already by default, but it's possible yours is missing that step.

plugins: [
    replace({
      "process.env.NODE_ENV": JSON.stringify("production"),
      preventAssignment: true,
    }),
  ]

Thanks! that solved it