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import { parseHTML } from 'linkedom';
import Markdoc from '@markdoc/markdoc';
import shiki from '../dist/extensions/shiki.js';
import prism from '../dist/extensions/prism.js';
import { setupConfig } from '../dist/runtime.js';
import { isHTMLString } from 'astro/runtime/server/index.js';
import assert from 'node:assert/strict';
import { describe, it } from 'node:test';
const entry = `
\`\`\`ts
const highlighting = true;
\`\`\`
\`\`\`css
.highlighting {
color: red;
}
\`\`\`
`;
describe('Markdoc - syntax highlighting', () => {
describe('shiki', () => {
it('transforms with defaults', async () => {
const ast = Markdoc.parse(entry);
const content = Markdoc.transform(ast, await getConfigExtendingShiki());
assert.equal(content.children.length, 2);
for (const codeBlock of content.children) {
assert.equal(isHTMLString(codeBlock), true);
const pre = parsePreTag(codeBlock);
assert.equal(pre.classList.contains('astro-code'), true);
assert.equal(pre.classList.contains('github-dark'), true);
}
});
it('transforms with `theme` property', async () => {
const ast = Markdoc.parse(entry);
const content = Markdoc.transform(
ast,
await getConfigExtendingShiki({
theme: 'dracula',
})
);
assert.equal(content.children.length, 2);
for (const codeBlock of content.children) {
assert.equal(isHTMLString(codeBlock), true);
const pre = parsePreTag(codeBlock);
assert.equal(pre.classList.contains('astro-code'), true);
assert.equal(pre.classList.contains('dracula'), true);
}
});
it('transforms with `wrap` property', async () => {
const ast = Markdoc.parse(entry);
const content = Markdoc.transform(
ast,
await getConfigExtendingShiki({
wrap: true,
})
);
assert.equal(content.children.length, 2);
for (const codeBlock of content.children) {
assert.equal(isHTMLString(codeBlock), true);
const pre = parsePreTag(codeBlock);
assert.equal(pre.getAttribute('style').includes('white-space: pre-wrap'), true);
assert.equal(pre.getAttribute('style').includes('word-wrap: break-word'), true);
}
});
});
describe('prism', () => {
it('transforms', async () => {
const ast = Markdoc.parse(entry);
const config = await setupConfig({
extends: [prism()],
});
const content = Markdoc.transform(ast, config);
assert.equal(content.children.length, 2);
const [tsBlock, cssBlock] = content.children;
assert.equal(isHTMLString(tsBlock), true);
assert.equal(isHTMLString(cssBlock), true);
const preTs = parsePreTag(tsBlock);
assert.equal(preTs.classList.contains('language-ts'), true);
const preCss = parsePreTag(cssBlock);
assert.equal(preCss.classList.contains('language-css'), true);
});
});
});
/**
* @param {import('astro').ShikiConfig} config
* @returns {import('../src/config.js').AstroMarkdocConfig}
*/
async function getConfigExtendingShiki(config) {
return await setupConfig({
extends: [shiki(config)],
});
}
/**
* @param {string} html
* @returns {HTMLPreElement}
*/
function parsePreTag(html) {
const { document } = parseHTML(html);
const pre = document.querySelector('pre');
assert.ok(pre);
return pre;
}
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