From 7d58fda8ef481316f30fa1b1af5437cbf48fc6ad Mon Sep 17 00:00:00 2001
From: Bogdan Chadkin <trysound@yandex.ru>
Date: Sun, 16 Sep 2018 17:06:26 +0300
Subject: [PATCH] Allow to pass not string values to worker

---
 index.js     | 13 ++++++++-----
 package.json |  1 +
 test/test.js | 11 +++++++++++
 transform.js |  3 ++-
 yarn.lock    |  4 ++++
 5 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/index.js b/index.js
index 2ebd1d0..dfb9df9 100644
--- a/index.js
+++ b/index.js
@@ -1,16 +1,19 @@
 const { codeFrameColumns } = require("@babel/code-frame");
 const Worker = require("jest-worker").default;
+const serialize = require("serialize-javascript");
 
 function uglify(userOptions = {}) {
   if (userOptions.sourceMap != null) {
     throw Error("sourceMap option is removed, use sourcemap instead");
   }
 
-  const minifierOptions = Object.assign({}, userOptions, {
-    sourceMap: userOptions.sourcemap !== false,
-    sourcemap: undefined,
-    numWorkers: undefined
-  });
+  const minifierOptions = serialize(
+    Object.assign({}, userOptions, {
+      sourceMap: userOptions.sourcemap !== false,
+      sourcemap: undefined,
+      numWorkers: undefined
+    })
+  );
 
   return {
     name: "uglify",
diff --git a/package.json b/package.json
index 54aed35..7acd361 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
   "dependencies": {
     "@babel/code-frame": "^7.0.0",
     "jest-worker": "^23.2.0",
+    "serialize-javascript": "^1.5.0",
     "uglify-js": "^3.4.9"
   },
   "peerDependencies": {
diff --git a/test/test.js b/test/test.js
index 11e10ca..5eadae2 100644
--- a/test/test.js
+++ b/test/test.js
@@ -90,3 +90,14 @@ test("works with code splitting", async () => {
   });
   expect(newOutput).toMatchSnapshot();
 });
+
+test("allow to pass not string values to worker", async () => {
+  const bundle = await rollup({
+    input: "test/fixtures/unminified.js",
+    plugins: [uglify({ mangle: { properties: { regex: /^_/ } } })]
+  });
+  const result = await bundle.generate({ format: "cjs" });
+  expect(result.code).toEqual(
+    '"use strict";window.a=5,window.a<3&&console.log(4);\n'
+  );
+});
diff --git a/transform.js b/transform.js
index 3d55371..37e643f 100644
--- a/transform.js
+++ b/transform.js
@@ -1,6 +1,7 @@
 const { minify } = require("uglify-js");
 
-const transform = (code, options) => {
+const transform = (code, optionsString) => {
+  const options = eval(`(${optionsString})`)
   const result = minify(code, options);
   if (result.error) {
     throw result.error;
diff --git a/yarn.lock b/yarn.lock
index 911e64a..68ca15c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3115,6 +3115,10 @@ semver@^5.5.0:
   version "5.5.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.1.tgz#7dfdd8814bdb7cabc7be0fb1d734cfb66c940477"
 
+serialize-javascript@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.5.0.tgz#1aa336162c88a890ddad5384baebc93a655161fe"
+
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"