[code] Display JSON data for coq-lsp.document in new editor.

This makes more sense than the current command behavior which is not
usable by almost no one.

CHANGES.md

@@ -106,6 +106,8 @@
    (@ejgallego, @Alizter, #689, #693)
  - Better types `coq/perfData` call (@ejgallego @Alizter, #689)
  - New server option to enable / disable `coq/perfData` (@ejgallego, #689)
+ - The `coq-lsp.document` VSCode command will now display the returned
+   JSON data in a new editor (@ejgallego, #701)
 
 # coq-lsp 0.1.8.1: Spring fix
 -----------------------------

editor/code/package.json

@@ -96,7 +96,7 @@
       },
       {
         "command": "coq-lsp.document",
-        "title": "Coq LSP: Get document in serialized format, print in console"
+        "title": "Coq LSP: Get document data in serialized JSON format, display in new text editor"
       },
       {
         "command": "coq-lsp.save",

editor/code/src/client.ts

@@ -13,6 +13,7 @@ import {
   WorkspaceConfiguration,
   Disposable,
   languages,
+  Uri,
 } from "vscode";
 
 import {
@@ -281,7 +282,22 @@ export function activateCoqLSP(
       version
     );
     let params: FlecheDocumentParams = { textDocument };
-    client.sendRequest(docReq, params).then((fd) => console.log(fd));
+    client.sendRequest(docReq, params).then((fd) => {
+
+      // EJGA: uri_result could be used to set the suggested save path
+      // for the new editor, however we need to see how to do that
+      // and set `content` too for the new editor.
+      let path = `${uri.fsPath}-${version}.json`;
+      let uri_result = Uri.file(path).with({ scheme: "untitled" });
+
+      let open_options = {
+        language: "json",
+        content: JSON.stringify(fd, null, 2),
+      };
+      workspace.openTextDocument(open_options).then((document) => {
+        window.showTextDocument(document);
+      });
+    });
   };
 
   const trimNot = new NotificationType<{}>("coq/trimCaches");