chore: use structured cloning in the tests

Author: satya164

__tests__/__utils__/WorkerMock.js

@@ -1,6 +1,8 @@
 /* @flow */
 /* eslint-env node */
 
+import clone from 'structured-clone';
+
 type Worker = {
   addEventListener: (name: 'message', cb: (e: any) => mixed) => mixed,
   removeEventListener: (name: 'message', cb: (e: any) => mixed) => mixed,
@@ -15,7 +17,7 @@ const createScope = onMessage => {
   return {
     self: {
       postMessage(data) {
-        onMessage(JSON.parse(JSON.stringify(data)));
+        onMessage(clone(data));
       },
       addEventListener(name: 'message', listener) {
         listeners.push(listener);

flow-typed/npm/structured-clone_vx.x.x.js

@@ -0,0 +1,52 @@
+// flow-typed signature: 0b09a31754af9c00b5b5b282961811b4
+// flow-typed version: <<STUB>>/structured-clone_v^0.2.2/flow_v0.79.1
+
+/**
+ * This is an autogenerated libdef stub for:
+ *
+ *   'structured-clone'
+ *
+ * Fill this stub out by replacing all the `any` types.
+ *
+ * Once filled out, we encourage you to share your work with the
+ * community by sending a pull request to:
+ * https://github.com/flowtype/flow-typed
+ */
+
+declare module 'structured-clone' {
+  declare module.exports: any;
+}
+
+/**
+ * We include stubs for each file inside this npm package in case you need to
+ * require those files directly. Feel free to delete any files that aren't
+ * needed.
+ */
+declare module 'structured-clone/clone' {
+  declare module.exports: any;
+}
+
+declare module 'structured-clone/serialize' {
+  declare module.exports: any;
+}
+
+declare module 'structured-clone/test/test' {
+  declare module.exports: any;
+}
+
+// Filename aliases
+declare module 'structured-clone/clone.js' {
+  declare module.exports: $Exports<'structured-clone/clone'>;
+}
+declare module 'structured-clone/index' {
+  declare module.exports: $Exports<'structured-clone'>;
+}
+declare module 'structured-clone/index.js' {
+  declare module.exports: $Exports<'structured-clone'>;
+}
+declare module 'structured-clone/serialize.js' {
+  declare module.exports: $Exports<'structured-clone/serialize'>;
+}
+declare module 'structured-clone/test/test.js' {
+  declare module.exports: $Exports<'structured-clone/test/test'>;
+}

package.json

@@ -38,10 +38,13 @@
     "husky": "^0.14.3",
     "jest": "^23.5.0",
     "parcel": "^1.9.7",
-    "prettier": "^1.13.5"
+    "prettier": "^1.13.5",
+    "structured-clone": "^0.2.2"
   },
   "jest": {
     "testEnvironment": "node",
-    "testMatch": ["**/__tests__/**/*.test.js"]
+    "testMatch": [
+      "**/__tests__/**/*.test.js"
+    ]
   }
 }

src/index.js

@@ -65,12 +65,11 @@ export function create(worker: Worker): any {
                         global
                       : null;
 
-              const { constructor, message, stack } = e.data.error;
+              const { name, message, stack } = e.data.error;
 
               // If the error was for current action, reject the promise
               // Try to preserve the error constructor, e.g. TypeError
-              const ErrorConstructor =
-                g && g[constructor] ? g[constructor] : Error;
+              const ErrorConstructor = g && g[name] ? g[name] : Error;
 
               const error = new ErrorConstructor(message);
 
@@ -149,7 +148,7 @@ export function proxy(o: Object, target?: Worker = self) {
   // Create an error response
   // Since we cannot send the error object, we send necessary info to recreate it
   const error = e => ({
-    constructor: e.constructor.name,
+    name: e.constructor.name,
     message: e.message,
     stack: e.stack,
   });

yarn.lock

@@ -4523,10 +4523,6 @@ nan@^2.0.7, nan@^2.9.2:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.10.0.tgz#96d0cd610ebd58d4b4de9cc0c6828cda99c7548f"
 
-nanoid@^1.0.7:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-1.2.1.tgz#922bf6c10e35f7b208993768dad643577c907adf"
-
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -6295,12 +6291,6 @@ shellwords@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
 
-shortid@^2.2.13:
-  version "2.2.13"
-  resolved "https://registry.yarnpkg.com/shortid/-/shortid-2.2.13.tgz#b2441e71c664ace458a341d343959f677910ef5b"
-  dependencies:
-    nanoid "^1.0.7"
-
 sigmund@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
@@ -6613,6 +6603,10 @@ strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
 
+structured-clone@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/structured-clone/-/structured-clone-0.2.2.tgz#ac92b6be31958a643db30f1335abc6a1b02dfdc2"
+
 stylehacks@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/stylehacks/-/stylehacks-4.0.0.tgz#64b323951c4a24e5fc7b2ec06c137bf32d155e8a"