Fix inpage provider name regression

Fixes #3372 by not minifying the name of our inpage provider, which some
people were using to identify MetaMask (not our preferred, supported
method of web3.currentProvider.isMetaMask).

1 files changed, 3 insertions, 1 deletions

diff --git a/gulpfile.js b/gulpfile.js
index 3ade82f87..adfb148a9 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -407,7 +407,9 @@ function bundleTask(opts) {
       // loads map from browserify file
       .pipe(gulpif(debug, sourcemaps.init({ loadMaps: true })))
       // Minification
-      .pipe(gulpif(opts.isBuild, uglify()))
+      .pipe(gulpif(opts.isBuild, uglify({
+        mangle: {  reserved: [ 'MetamaskInpageProvider' ] },
+      })))
       // writes .map file
       .pipe(gulpif(debug, sourcemaps.write('./')))
       // write completed bundles