demo/with_monaco: use local schema7

demo/with_monaco/index.js

@@ -59,27 +59,26 @@ importScripts('https://unpkg.com/monaco-editor@0.14.3/min/vs/base/worker/workerM
         let modelUri = monaco.Uri.parse("tmp://xxx.json"); // a made up unique URI for our model
         let model = monaco.editor.createModel("{\n}", "json", modelUri);
 
-        const getSchema = relativeUrl => {
-          const schemaUrl = new URL(relativeUrl, baseUrl);
+        const getSchema = (schemaUrl, mappedUrl)=> {
           return fetch(schemaUrl)
             .then(resp => {
               return resp.json();
             })
             .then(s => {
               return {
-                uri: relativeUrl,
+                uri: mappedUrl || schemaUrl,
                 schema: s,
-                schema_url: schemaUrl.toString()
+                schema_url: mappedUrl || schemaUrl
               };
             });
         };
 
         Promise.all([
-          getSchema(mainSchema).then(s => {
+          getSchema(baseUrl + mainSchema).then(s => {
             s.fileMatch = [modelUri.toString()]; // this is the main schema associated to the model
             return s;
           }),
-          getSchema("http://json-schema.org/draft-07/schema")
+          getSchema("../../json-schema/schema7.json", "http://json-schema.org/draft-07/schema")
         ]).then(schemas => {
           gadget.getDeclaredGadget("rjs_json_form").then(g => {
             return g.render({