ci: fix mermaid parse — use jsdom to provide browser globals required by mermaid.core.mjs

This commit is contained in:
2026-05-17 18:58:43 +01:00
parent 43cb3a0d17
commit 42d01da7f7

View File

@@ -43,20 +43,29 @@ jobs:
with:
node-version: "22"
- name: Install mermaid
run: npm install mermaid
- name: Install mermaid and jsdom
run: npm install mermaid jsdom
- name: Extract and validate Mermaid diagrams
run: |
cat > check-mermaid.mjs << 'SCRIPT'
import { readFileSync, readdirSync } from 'fs';
import { join } from 'path';
import mermaid from './node_modules/mermaid/dist/mermaid.core.mjs';
cat > check-mermaid.cjs << 'SCRIPT'
const { JSDOM } = require('jsdom');
const fs = require('fs');
const path = require('path');
// Provide minimal browser globals so mermaid.parse() works in Node
const dom = new JSDOM('<!DOCTYPE html><html><body></body></html>', { url: 'http://localhost' });
globalThis.window = dom.window;
globalThis.document = dom.window.document;
globalThis.DOMPurify = {
addHook: () => {}, removeHook: () => {}, setConfig: () => {},
sanitize: (s) => s, isValidAttribute: () => true,
};
function findMdFiles(dir) {
const out = [];
for (const e of readdirSync(dir, { withFileTypes: true })) {
const full = join(dir, e.name);
for (const e of fs.readdirSync(dir, { withFileTypes: true })) {
const full = path.join(dir, e.name);
if (e.isDirectory() && e.name !== 'node_modules' && !e.name.startsWith('.'))
out.push(...findMdFiles(full));
else if (e.isFile() && e.name.endsWith('.md'))
@@ -65,32 +74,35 @@ jobs:
return out;
}
let errors = 0, total = 0;
import('./node_modules/mermaid/dist/mermaid.core.mjs').then(async (m) => {
const mermaid = m.default;
let errors = 0, total = 0;
for (const mdFile of findMdFiles('.')) {
const content = readFileSync(mdFile, 'utf8');
const blocks = [...content.matchAll(/^```mermaid\n([\s\S]*?)^```/gm)];
if (!blocks.length) continue;
console.log(`\nChecking ${mdFile} (${blocks.length} diagram(s))`);
for (let i = 0; i < blocks.length; i++) {
total++;
const diagram = blocks[i][1].trim();
try {
await mermaid.parse(diagram);
console.log(` [OK] diagram ${i + 1}`);
} catch (err) {
const msg = String(err.message || err).split('\n')[0];
console.error(` [FAIL] diagram ${i + 1}: ${msg}`);
console.log(`::warning file=${mdFile}::Mermaid diagram ${i + 1} failed: ${msg}`);
errors++;
for (const mdFile of findMdFiles('.')) {
const content = fs.readFileSync(mdFile, 'utf8');
const blocks = [...content.matchAll(/^```mermaid\n([\s\S]*?)^```/gm)];
if (!blocks.length) continue;
console.log(`\nChecking ${mdFile} (${blocks.length} diagram(s))`);
for (let i = 0; i < blocks.length; i++) {
total++;
const diagram = blocks[i][1].trim();
try {
await mermaid.parse(diagram);
console.log(` [OK] diagram ${i + 1}`);
} catch (err) {
const msg = String(err.message || err).split('\n')[0];
console.error(` [FAIL] diagram ${i + 1}: ${msg}`);
console.log(`::warning file=${mdFile}::Mermaid diagram ${i + 1} failed: ${msg}`);
errors++;
}
}
}
}
console.log(`\nTotal: ${total}. Failures: ${errors}`);
if (errors > 0) {
console.log(`::warning::${errors} Mermaid diagram(s) failed to parse.`);
process.exit(1);
}
console.log(`\nTotal: ${total}. Failures: ${errors}`);
if (errors > 0) {
console.log(`::warning::${errors} Mermaid diagram(s) failed to parse.`);
process.exit(1);
}
}).catch(e => { console.error('Fatal:', e.message); process.exit(1); });
SCRIPT
node check-mermaid.mjs
node check-mermaid.cjs