Disable eslint parsing error message

Question

In my code I have a conditional export:

if (process.env.NODE_ENV === 'testing')
  export myFunc;

In es6 this statement is not allowed because imports and exports should be top-level, but using babel with some plugins and webpack this condition is eliminated at build-time, so in my resulting code this export is either top-level or not present.

But eslint reports a parsing error and I want to get rid of it. /*eslint-disable */ doesn't work, because, well, it's not a rule violation, it's a parsing error. Is there a possible workaround?

P.S.: I know I can commonjs it, but I want to stick with es6.

Is your eslint configured to parse es6? eslint.org/docs/user-guide/… — Radosław Miernik
– Radosław Miernik, Commented Jan 31, 2016 at 13:29
@RadosławM, sure, that's why it reports about wrong es6 syntax — aush
– aush, Commented Jan 31, 2016 at 13:35

Hitmands · Accepted Answer · 2016-01-31 13:44:40Z

2

I know I can commonjs it, but I want to stick with es6.

Really, you aren't compliant with ES6 specification, so... you need to commonjs it.

The Idea behind a transpiler is that you'll can disable it when the next specification comes actual.

In this case, your code won't work in a full ES6 environment.

answered Jan 31, 2016 at 13:44

Hitmands

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Comments

Radosław Miernik · Accepted Answer · 2016-01-31 13:42:30Z

1

There is no workaround.

Using non-top level imports will not work with native ES6 implementations. Babel allows it because it transpiles to CommonJS require, but it is technically not allowed in ES6.

eslint issue and according espree issue

answered Jan 31, 2016 at 13:42

Radosław Miernik

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5 Comments

aush Over a year ago

I don't rely on transpiling to commonjs to have conditional export, I use it as a preprocessor directive.

Radosław Miernik Over a year ago

Yes, but eslint parser (espree) see the not transpiled code - if (...) {import ...}

aush Over a year ago

I agree. That's why I want to find a way to make him pretend he doesn't see it the same way I can ask him to pretend that he doesn't see a rule violation.

Radosław Miernik Over a year ago

But it's eslint issue, but espree. You can't ignore espree errors and warnings through eslint-disable rules.

Radosław Miernik Over a year ago

But it's not eslint issue, but espree. *

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