feat: extensions check + resolver

server/modules/extensions/puppeteer/ext.js

@@ -0,0 +1,21 @@
+const cmdExists = require('command-exists')
+const os = require('os')
+
+module.exports = {
+  key: 'puppeteer',
+  title: 'Puppeteer',
+  description: 'Headless chromium browser for server-side rendering. Required for generating PDF versions of pages and render content elements on the server (e.g. Mermaid diagrams)',
+  async isCompatible () {
+    return os.arch() === 'x64'
+  },
+  isInstalled: false,
+  async check () {
+    try {
+      await cmdExists('pandoc')
+      this.isInstalled = true
+    } catch (err) {
+      this.isInstalled = false
+    }
+    return this.isInstalled
+  }
+}