fix: set proper environment for remote debugging (#279)

* fix: some RN libraries relies on that the environment is not strict

close #278

* docs: added comment

* Update debuggerWorker.js

src/server/assets/debuggerWorker.js

@@ -11,7 +11,16 @@
 
 /* eslint-disable */
 
-'use strict';
+/**
+ * IMPORTANT: Do not add "use strict"
+ * https://github.com/callstack/haul/issues/278
+ * 
+ * Some libraries like react-native-safe-module try to patch native modules to mock them
+ * and prevent crashes, but don't account for the case when `requireNativeComponent` returns
+ * a string. In strict mode, trying to modify properties of the string primitive throws an
+ * error - "Cannot create property...". This breaks some modules like Lottie which use
+ * react-native-safe-module
+ */
 
 onmessage = (function() {
   let visibilityState;

yarn.lock

@@ -4401,7 +4401,7 @@ sax@^1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
-"semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@^5.4.1:
+"semver@2 || 3 || 4 || 5", semver@^5.3.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"