Use distance filter

webapp/hooks/completer.ts

@@ -0,0 +1,46 @@
+import { Hook, Manifest } from "../../plugos/types";
+import { System } from "../../plugos/system";
+import { CompletionResult } from "@codemirror/autocomplete";
+
+export type CompleterHookT = {
+  isCompleter?: boolean;
+};
+
+export class CompleterHook implements Hook<CompleterHookT> {
+  private system?: System<CompleterHookT>;
+
+  public async plugCompleter(): Promise<CompletionResult | null> {
+    let completerPromises = [];
+    // TODO: Can be optimized (cache all functions)
+    for (const plug of this.system!.loadedPlugs.values()) {
+      if (!plug.manifest) {
+        continue;
+      }
+      for (const [functionName, functionDef] of Object.entries(
+        plug.manifest.functions
+      )) {
+        if (functionDef.isCompleter) {
+          completerPromises.push(plug.invoke(functionName, []));
+        }
+      }
+    }
+    let allCompletionResults = await Promise.all(completerPromises);
+    if (allCompletionResults.length === 1) {
+      return allCompletionResults[0];
+    } else if (allCompletionResults.length > 1) {
+      console.error(
+        "Got completion results from multiple sources, cannot deal with that",
+        allCompletionResults
+      );
+    }
+    return null;
+  }
+
+  apply(system: System<CompleterHookT>): void {
+    this.system = system;
+  }
+
+  validateManifest(manifest: Manifest<CompleterHookT>): string[] {
+    return [];
+  }
+}