46 lines
2.5 KiB
JavaScript
46 lines
2.5 KiB
JavaScript
import { suite } from 'uvu';
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import * as assert from 'uvu/assert';
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import { scopeRule } from '#astro/compiler';
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const ScopedStyles = suite('Astro PostCSS Scoped Styles Plugin');
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const className = 'astro-abcd1234';
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ScopedStyles('Scopes rules correctly', () => {
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// Note: assume all selectors have no unnecessary spaces (i.e. must be minified)
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const tests = {
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'.class': `.class.${className}`,
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h1: `h1.${className}`,
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'.nav h1': `.nav.${className} h1.${className}`,
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'.class+.class': `.class.${className}+.class.${className}`,
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'.class~:global(a)': `.class.${className}~a`,
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'.class *': `.class.${className} .${className}`,
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'.class>*': `.class.${className}>.${className}`,
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'.class button:focus': `.class.${className} button.${className}:focus`,
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'.class h3::before': `.class.${className} h3.${className}::before`,
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'button:focus::before': `button.${className}:focus::before`,
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'.class :global(*)': `.class.${className} *`,
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'.class :global(.nav:not(.is-active))': `.class.${className} .nav:not(.is-active)`, // preserve nested parens
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'.class :global(ul li)': `.class.${className} ul li`, // allow doubly-scoped selectors
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':global(body:not(.is-light)).is-dark,:global(body:not(.is-dark)).is-light': `body:not(.is-light).is-dark,body:not(.is-dark).is-light`, // :global() can contain parens, and can be chained off of
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':global(.foo):global(.bar)': '.foo.bar', // more :global() shenanigans
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'.class:global(.bar)': `.class.bar`, // this is technically a “useless“ :global() but it should still be extracted
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'.class:not(.is-active):not(.is-disabled)': `.class.${className}:not(.is-active):not(.is-disabled)`, // Note: the :not() selector can NOT contain multiple classes, so this is correct; if this causes issues for some people then it‘s worth a discussion
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':hover.a:focus': `.${className}:hover.a:focus`, // weird but still valid (yes, it’s valid)
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'*:hover': `.${className}:hover`,
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':not(.is-disabled).a': `.${className}:not(.is-disabled).a`, // also valid
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'body h1': `body h1.${className}`, // body shouldn‘t be scoped; it‘s not a component
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'html,body': `html,body`,
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from: 'from', // ignore keyframe keywords (below)
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to: 'to',
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'55%': '55%',
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'.class\\:class': `.class\\:class.${className}`, // classes can contain special characters if escaped
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'.class\\:class:focus': `.class\\:class.${className}:focus`,
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};
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for (const [given, expected] of Object.entries(tests)) {
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assert.equal(scopeRule(given, className), expected);
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}
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});
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ScopedStyles.run();
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