refactor(javascript): centralize package and JSON document facts

tests/support/javascriptArtifactPathResolution.ts

@@ -0,0 +1,14 @@
+import { JavaScriptJsonDocuments } from "../../src/application/javascript/JavaScriptJsonDocuments.js";
+import {
+  resolveArtifactPathByContext,
+  type ResolveArtifactPathInput,
+} from "../../src/application/javascript/JavaScriptArtifactPathResolution.js";
+
+/** Resolve one standalone test request with its own JSON facts owner. */
+export const resolveStandaloneArtifactPath = (
+  input: Omit<ResolveArtifactPathInput, "jsonDocuments">,
+) =>
+  resolveArtifactPathByContext({
+    ...input,
+    jsonDocuments: new JavaScriptJsonDocuments(),
+  });