import { suite } from 'uvu';
import * as assert from 'uvu/assert';
import { doc } from './test-utils.js';
import { setup } from './helpers.js';
const StylesSSR = suite('Styles SSR');
/** Basic CSS minification; removes some flakiness in testing CSS */
function cssMinify(css) {
return css
.trim() // remove whitespace
.replace(/\n\s*/g, '') // collapse lines
.replace(/\s*\{/g, '{') // collapse selectors
.replace(/:\s*/g, ':') // collapse attributes
.replace(/;}/g, '}'); // collapse block
}
setup(StylesSSR, './fixtures/astro-styles-ssr');
StylesSSR('Has tags', async ({ runtime }) => {
const MUST_HAVE_LINK_TAGS = [
'/_astro/components/ReactCSS.css',
'/_astro/components/SvelteScoped.svelte.css',
'/_astro/components/VueCSS.vue.css',
'/_astro/components/VueModules.vue.css',
'/_astro/components/VueScoped.vue.css',
];
const result = await runtime.load('/');
const $ = doc(result.contents);
for (const href of MUST_HAVE_LINK_TAGS) {
const el = $(`link[href="${href}"]`);
assert.equal(el.length, 1);
}
});
StylesSSR('Has correct CSS classes', async ({ runtime }) => {
const result = await runtime.load('/');
const $ = doc(result.contents);
const MUST_HAVE_CLASSES = {
'#react-css': 'react-title',
'#vue-css': 'vue-title',
'#vue-css-modules': '_title_1gi0u_2', // ⚠️ may be flaky
'#vue-scoped': 'vue-title', // also has data-v-* property
'#svelte-scoped': 'svelte-title', // also has additional class
};
for (const [selector, className] of Object.entries(MUST_HAVE_CLASSES)) {
const el = $(selector);
assert.ok(el.attr('class').includes(className));
// add’l test: Vue Scoped styles should have data-v-* attribute
if (selector === '#vue-scoped') {
const { attribs } = el.get(0);
const scopeId = Object.keys(attribs).find((k) => k.startsWith('data-v-'));
assert.ok(scopeId);
}
// add’l test: Svelte should have another class
if (selector === '#svelte-title') {
assert.not.equal(el.attr('class'), className);
}
}
});
StylesSSR('CSS Module support in .astro', async ({ runtime }) => {
const result = await runtime.load('/');
const $ = doc(result.contents);
let scopedClass;
// test 1: