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CSS Modules aren't tree shaked #354

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StarpTech opened this issue May 25, 2020 · 0 comments
Open

CSS Modules aren't tree shaked #354

StarpTech opened this issue May 25, 2020 · 0 comments

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@StarpTech
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StarpTech commented May 25, 2020

I'd expect that unused CSS is removed from the build. This is one big advantage of CSS Modules.

Example:

Input

import styles from './index.module.css';

export default function Button() {
    return <div className={styles.button}></div>
}
.button {
  width: auto;
}
.unused {
  width: auto;
  padding: 3px;
}

Output

.index-module_button__3X3pB {
  width: auto;
}
.index-module_unused__2wMHH {
  width: auto;
}
.index-module_bar-1__3ZOpQ .bar .index-module_bar-2__rsPcN {
  color: white;
}
.page {
  padding: 20px;
}
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