Refactoring about how proxy fetching happens

common/markdown_parser/markdown_ext.ts

@@ -1,7 +1,7 @@
 import { Tag } from "../deps.ts";
 import type { MarkdownConfig } from "../deps.ts";
 import { System } from "../../plugos/system.ts";
-import { Manifest } from "../manifest.ts";
+import { Manifest, NodeDef } from "../manifest.ts";
 
 export type MDExt = {
   // unicode char code for efficiency .charCodeAt(0)
@@ -9,7 +9,7 @@ export type MDExt = {
   regex: RegExp;
   nodeType: string;
   tag: Tag;
-  styles: { [key: string]: string };
+  styles?: { [key: string]: string };
   className?: string;
 };
 
@@ -53,16 +53,20 @@ export function loadMarkdownExtensions(system: System<any>): MDExt[] {
     const manifest = plug.manifest as Manifest;
     if (manifest.syntax) {
       for (const [nodeType, def] of Object.entries(manifest.syntax)) {
-        mdExtensions.push({
-          nodeType,
-          tag: Tag.define(),
-          firstCharCodes: def.firstCharacters.map((ch) => ch.charCodeAt(0)),
-          regex: new RegExp("^" + def.regex),
-          styles: def.styles,
-          className: def.className,
-        });
+        mdExtensions.push(nodeDefToMDExt(nodeType, def));
       }
     }
   }
   return mdExtensions;
 }
+
+export function nodeDefToMDExt(nodeType: string, def: NodeDef): MDExt {
+  return {
+    nodeType,
+    tag: Tag.define(),
+    firstCharCodes: def.firstCharacters.map((ch) => ch.charCodeAt(0)),
+    regex: new RegExp("^" + def.regex),
+    styles: def.styles,
+    className: def.className,
+  };
+}