astro/test/astro-scoped-styles.test.js
2021-03-30 10:37:04 -06:00

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import { suite } from 'uvu';
import * as assert from 'uvu/assert';
import { scopeSelectors } from '../lib/compiler/optimize/postcss-scoped-styles/index.js';
const ScopedStyles = suite('Astro PostCSS Scoped Styles Plugin');
const className = '.astro-abcd1234';
// Note: assume all selectors have no unnecessary spaces (i.e. must be minified)
const tests = {
'.class': `.class${className}`,
h1: `h1${className}`,
'.nav h1': `.nav${className} h1${className}`,
'.class+.class': `.class${className}+.class${className}`,
'.class~:global(a)': `.class${className}~a`,
'.class *': `.class${className} ${className}`,
'.class>*': `.class${className}>${className}`,
'.class :global(*)': `.class${className} *`,
'.class :global(.nav:not(.is-active))': `.class${className} .nav:not(.is-active)`, // preserve nested parens
'.class:not(.is-active)': `.class${className}:not(.is-active)`, // Note: the :not() selector can NOT contain multiple classes, so this is correct; if this causes issues for some people then its worth a discussion
};
ScopedStyles('Scopes correctly', () => {
for (const [given, expected] of Object.entries(tests)) {
assert.equal(scopeSelectors(given, className), expected);
}
});
ScopedStyles.run();