Initial implementation of command link arguments (#573)

Initial implementation of command link arguments

---------

Co-authored-by: prcrst <p-github@prcr.st>
Co-authored-by: Zef Hemel <zef@zef.me>

plugs/editor/editor.plug.yaml

@@ -226,3 +226,10 @@ functions:
     path: ./upload.ts:uploadFile
     command:
       name: "Upload: File"
+
+  customFlashMessage:
+    path: editor.ts:customFlashMessage
+    command:
+      name: "Flash: Custom Message"
+      contexts:
+      - internal

plugs/editor/editor.ts

@@ -50,3 +50,7 @@ export async function moveToPosCommand() {
   const pos = +posString;
   await editor.moveCursor(pos);
 }
+
+export async function customFlashMessage(_ctx: any, message: string) {
+  await editor.flashNotification(message);
+}

plugs/editor/navigate.ts

@@ -87,7 +87,15 @@ async function actionClickOrActionEnter(
     }
     case "CommandLink": {
       const commandName = mdTree.children![1]!.children![0].text!;
-      await system.invokeCommand(commandName);
+      const argsNode = findNodeOfType(mdTree, "CommandLinkArgs");
+      const argsText = argsNode?.children![0]?.text;
+      // Assume the arguments are can be parsed as the innards of a valid JSON list
+      try {
+        const args = argsText ? JSON.parse(`[${argsText}]`) : [];
+        await system.invokeCommand(commandName, args);
+      } catch(e: any) {
+        await editor.flashNotification(`Error parsing command link arguments: ${e.message}`, "error");
+      }
       break;
     }
   }

plugs/editor/upload.ts

@@ -43,7 +43,7 @@ async function saveFile(file: UploadFile) {
   editor.insertAtCursor(attachmentMarkdown);
 }
 
-export async function uploadFile() {
-  const uploadFile = await editor.uploadFile();
+export async function uploadFile(_ctx: any, accept?: string, capture?: string) {
+  const uploadFile = await editor.uploadFile(accept, capture);
   await saveFile(uploadFile);
-}
+}