v0.35.1

package.json

@@ -1,15 +1,17 @@
 {
   "name": "mapbox-gl-utils",
-  "version": "0.35.0",
+  "version": "0.35.1",
   "description": "Utility functions for Mapbox-GL-JS",
   "main": "dist/index.js",
+  "module": "dist/index.esm.js",
   "scripts": {
-    "test": "jest src/",
+    "pretest": "yarn run rollup",
+    "test": "jest commonjs/",
     "test10": "n use 10.0.0 node_modules/jest/bin/jest.js",
     "update-keys": "node updateKeys",
     "babel": "babel src -d dist",
-    "prepublish": "yarn run update-keys; yarn run babel",
-    "main": "dist/index.js"
+    "rollup": "node_modules/rollup/dist/bin/rollup -c",
+    "prepublish": "yarn run update-keys; yarn run rollup"
   },
   "author": "Steve Bennett <me@stevebennett.me> (http://stevebennett.me)",
   "license": "Apache-2.0",
@@ -18,7 +20,12 @@
     "@babel/core": "^7.8.7",
     "@babel/preset-env": "^7.8.7",
     "@mapbox/mapbox-gl-style-spec": "latest",
-    "jest": "^25.1.0"
+    "@rollup/plugin-babel": "^5.3.0",
+    "@rollup/plugin-commonjs": "^18.0.0",
+    "@rollup/plugin-json": "^4.1.0",
+    "@rollup/plugin-node-resolve": "^11.2.1",
+    "jest": "^25.1.0",
+    "rollup": "^2.45.1"
   },
   "dependencies": {
     "@mapbox/expression-jamsession": "^0.4.2",