add baseline with inline assets & fix issues (#584)

* add baseline with inline assets

* suppress warning for invalid css

* include img directory in package

package.json

@@ -28,6 +28,7 @@
 		"/lib",
 		"/js",
 		"/css",
+		"/img",
 		"/fonts",
 		"/boilerplate",
 		"/entities-processed.json"

src/Spec.ts

@@ -1030,6 +1030,7 @@ ${await utils.readFile(path.join(__dirname, '../js/multipage.js'))}
 
   private async buildAssets(jsContents: string, jsSha: string) {
     if (this.assets.type === 'none') return;
+    this.log('Building assets...');
 
     // check for very old manual 'ecmarkup.js'/'ecmarkup.css'
     const oldEles = this.doc.querySelectorAll(

src/utils.ts

@@ -75,7 +75,11 @@ export function emdTextNode(spec: Spec, node: Text, namespace: string) {
 
 /*@internal*/
 export function htmlToDom(html: string) {
-  return new jsdom.JSDOM(html, { includeNodeLocations: true });
+  const virtualConsole = new jsdom.VirtualConsole();
+  virtualConsole.on('error', () => {
+    // Suppress warnings from e.g. CSS features not supported by JSDOM
+  });
+  return new jsdom.JSDOM(html, { includeNodeLocations: true, virtualConsole });
 }
 
 /*@internal*/