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Unexpected space after two dashes in a template literal #7864

Closed
Bug
#7883
Closed
Unexpected space after two dashes in a template literal#7864
Bug
#7883
Labels
area:multiparserIssues with printing one language inside another, like CSS-in-JSlang:css/scss/lessIssues affecting CSS, Less or SCSSlang:javascriptIssues affecting JSlocked-due-to-inactivityPlease open a new issue and fill out the template instead of commenting.
@everdimension

Description

@everdimension
everdimension
opened on Mar 24, 2020

Prettier 2.0.2
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--parser babel

Input:

const Something = styled.div`
  background: var(--${one}); /* unexpected space after -- */
  border: 1px solid var(--${two}); /* unexpected space after -- */
`;

const What = div`
  background: var(--${one}); /* seems okay */
  border: 1px solid var(--${two}); /* seems okay */
`;

Output:

const Something = styled.div`
  background: var(-- ${one}); /* unexpected space after -- */
  border: 1px solid var(-- ${two}); /* unexpected space after -- */
`;

const What = div`
  background: var(--${one}); /* seems okay */
  border: 1px solid var(--${two}); /* seems okay */
`;

Expected behavior:

There should be no spaces after -- in the first output.
Is there some hardcoded behavior for styled components?

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    area:multiparserIssues with printing one language inside another, like CSS-in-JSlang:css/scss/lessIssues affecting CSS, Less or SCSSlang:javascriptIssues affecting JSlocked-due-to-inactivityPlease open a new issue and fill out the template instead of commenting.

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