add autocomp

client/src/common/handlers.ts

@@ -1,3 +1,5 @@
+import * as vscode from "vscode";
+
 export function formatCdlFile(content: string): string {
   let indentLevel = 0;
   const formattedLines = [];
@@ -13,3 +15,22 @@ export function formatCdlFile(content: string): string {
   }
   return formattedLines.join("\n");
 }
+
+export function completionHandler(
+  document: vscode.TextDocument,
+  position: vscode.Position
+) {
+  const linePrefix = document
+    .lineAt(position)
+    .text.substr(0, position.character);
+  if (!linePrefix.endsWith("TYPE ")) {
+    return undefined;
+  }
+
+  return [
+    new vscode.CompletionItem("o", vscode.CompletionItemKind.Keyword),
+    new vscode.CompletionItem("b", vscode.CompletionItemKind.Keyword),
+    new vscode.CompletionItem("i", vscode.CompletionItemKind.Keyword),
+    new vscode.CompletionItem("d", vscode.CompletionItemKind.Keyword),
+  ];
+}