fix: JS-client bugs and tech debt [fixes DXJ-520] (#374)

Fix various bugs and a pair of TODO's

packages/core/js-client-isomorphic/createVersionFile.js

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023 Fluence Labs Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// @ts-check
+
+import pkg from "./package.json" assert { type: "json" };
+import { writeFile } from "fs/promises";
+import { join, dirname } from "path";
+import { fileURLToPath } from "url";
+
+const names = [
+  "@fluencelabs/avm",
+  "@fluencelabs/marine-js",
+  "@fluencelabs/marine-worker",
+];
+
+const entries = Object.entries({
+  ...pkg.dependencies,
+  ...pkg.devDependencies,
+}).filter(([name]) => names.includes(name));
+
+const output = Object.fromEntries(entries);
+
+await writeFile(
+  join(dirname(fileURLToPath(import.meta.url)), "src", "versions.ts"),
+  `/* eslint-disable */
+export default ${JSON.stringify(output, null, 2)} as const`,
+);