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import * as assert from 'node:assert/strict';
import { before, describe, it } from 'node:test';
import { parseHTML } from 'linkedom';
import { loadFixture } from '../../../astro/test/test-utils.js';
describe('MDX - Vite env vars', () => {
let fixture;
before(async () => {
fixture = await loadFixture({
root: new URL('./fixtures/mdx-vite-env-vars/', import.meta.url),
});
await fixture.build();
});
it('Avoids transforming `import.meta.env` outside JSX expressions', async () => {
const html = await fixture.readFile('/vite-env-vars/index.html');
const { document } = parseHTML(html);
assert.equal(document.querySelector('h1')?.innerHTML.includes('import.meta.env.SITE'), true);
assert.equal(document.querySelector('code')?.innerHTML.includes('import.meta.env.SITE'), true);
assert.equal(document.querySelector('pre')?.innerHTML.includes('import.meta.env.SITE'), true);
});
it('Allows referencing `import.meta.env` in frontmatter', async () => {
const { title = '' } = JSON.parse(await fixture.readFile('/frontmatter.json'));
assert.equal(title.includes('import.meta.env.SITE'), true);
});
it('Transforms `import.meta.env` in {JSX expressions}', async () => {
const html = await fixture.readFile('/vite-env-vars/index.html');
const { document } = parseHTML(html);
assert.equal(
document
.querySelector('[data-env-site]')
?.innerHTML.includes('https://mdx-is-neat.com/blog/cool-post'),
true,
);
});
it('Transforms `import.meta.env` in variable exports', async () => {
const html = await fixture.readFile('/vite-env-vars/index.html');
const { document } = parseHTML(html);
assert.equal(
document.querySelector('[data-env-variable-exports]')?.innerHTML.includes('MODE works'),
true,
);
assert.equal(
document
.querySelector('[data-env-variable-exports-unknown]')
?.innerHTML.includes('exports: ""'),
true,
);
});
it('Transforms `import.meta.env` in HTML attributes', async () => {
const html = await fixture.readFile('/vite-env-vars/index.html');
const { document } = parseHTML(html);
const dataAttrDump = document.querySelector('[data-env-dump]');
assert.notEqual(dataAttrDump, null);
assert.notEqual(dataAttrDump.getAttribute('data-env-prod'), null);
assert.equal(dataAttrDump.getAttribute('data-env-dev'), null);
assert.equal(dataAttrDump.getAttribute('data-env-base-url'), '/');
assert.equal(dataAttrDump.getAttribute('data-env-mode'), 'production');
});
});
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