refactor: bring js-sandbox project to the monorepo

packages/hoppscotch-js-sandbox/src/__tests__/utils.spec.ts

@@ -0,0 +1,57 @@
+import { match } from "fp-ts/lib/Either"
+import { pipe } from "fp-ts/lib/function"
+import * as QuickJS from "quickjs-emscripten"
+import { marshalObjectToVM } from "../utils"
+
+let vm: QuickJS.QuickJSVm
+
+beforeAll(async () => {
+  const qjs = await QuickJS.getQuickJS()
+  vm = qjs.createVm()
+})
+
+afterAll(() => {
+  vm.dispose()
+})
+
+describe("marshalObjectToVM", () => {
+
+  test("successfully marshals simple object into the vm", () => {
+    const testObj = {
+      a: 1
+    }
+
+    const objVMHandle: QuickJS.QuickJSHandle | null = pipe(
+      marshalObjectToVM(vm, testObj),
+      match(
+        (e) => null,
+        (result) => result
+      )
+    )
+
+    expect(objVMHandle).not.toBeNull()
+    expect(vm.dump(objVMHandle!)).toEqual(testObj)
+
+    objVMHandle!.dispose()
+  })
+
+  test("fails marshalling cyclic object into vm", () => {
+    const testObj = {
+      a: 1,
+      b: null as any
+    }
+
+    testObj.b = testObj
+
+    const objVMHandle: QuickJS.QuickJSHandle | null = pipe(
+      marshalObjectToVM(vm, testObj),
+      match(
+        (e) => null,
+        (result) => result
+      )
+    )
+
+    expect(objVMHandle).toBeNull()
+  })
+
+})