Disable document symbol request for files over 1MB (#3430)

* feat: disable document symbol request for files over 1MB
* Update packages/vscode-graphql/package.json

Author: yepitschunked

packages/graphql-language-service-server/src/MessageProcessor.ts

@@ -837,6 +837,22 @@ export class MessageProcessor {
       return [];
     }
 
+    if (
+      this._settings.largeFileThreshold !== undefined &&
+      this._settings.largeFileThreshold <
+        cachedDocument.contents[0].query.length
+    ) {
+      return [];
+    }
+
+    this._logger.log(
+      JSON.stringify({
+        type: 'usage',
+        messageType: 'textDocument/documentSymbol',
+        fileName: textDocument.uri,
+      }),
+    );
+
     return this._languageService.getDocumentSymbols(
       cachedDocument.contents[0].query,
       textDocument.uri,

packages/vscode-graphql/package.json

@@ -93,6 +93,13 @@
           ],
           "description": "Use a cached file output of your graphql-config schema result for definition lookups, symbols, outline, etc. Disabled by default."
         },
+        "vscode-graphql.largeFileThreshold": {
+          "type": [
+            "number"
+          ],
+          "description": "Disables outlining and other expensive operations for files larger than this threshold (in bytes). Defaults to 1000000 (one million).",
+          "default": 1000000
+        },
         "vscode-graphql.rejectUnauthorized": {
           "type": [
             "boolean"