Merge c190c40 into 738a575

.lintstagedrc.json

@@ -1,5 +1,5 @@
 {
-  "@(**/*.js|bin/*)": ["eslint --fix"],
+  "@(**/*.js|bin/*|*.js)": ["eslint --fix"],
   "!(package*).json": ["prettier --write"],
   "*.{yml,md,html}": ["prettier --write"]
 }

browser-entry.js

@@ -3,6 +3,8 @@
 /* eslint no-unused-vars: off */
 /* eslint-env commonjs */
 
+require('regenerator-runtime/runtime');
+
 /**
  * Shim process.stdout.
  */

karma.conf.js

@@ -228,32 +228,14 @@ const addSauceTests = (cfg, sauceLabs) => {
 const addStandardDependencies = cfg => ({
   ...cfg,
   files: [
-    require.resolve('sinon/pkg/sinon.js'),
-    require.resolve('unexpected/unexpected'),
     {
       pattern: require.resolve('unexpected/unexpected.js.map'),
       included: false
     },
-    require.resolve('unexpected-sinon'),
-    require.resolve('unexpected-eventemitter/dist/unexpected-eventemitter.js'),
     require.resolve('./test/browser-specific/setup'),
     ...cfg.files
   ],
-  rollup: {
-    ...cfg.rollup,
-    external: [
-      'sinon',
-      'unexpected',
-      'unexpected-eventemitter',
-      'unexpected-sinon'
-    ],
-    globals: {
-      sinon: 'sinon',
-      unexpected: 'weknowhow.expect',
-      'unexpected-sinon': 'weknowhow.unexpectedSinon',
-      'unexpected-eventemitter': 'unexpectedEventEmitter'
-    }
-  }
+  rollup: cfg.rollup
 });
 
 /**

package.json

@@ -89,11 +89,12 @@
     "assetgraph-builder": "^8.1.0",
     "autoprefixer": "^9.8.6",
     "babel-eslint": "^10.1.0",
+    "babel-plugin-polyfill-corejs3": "0.0.5",
     "canvas": "^2.6.1",
     "chai": "^4.2.0",
     "coffee-script": "^1.12.7",
     "configstore": "^5.0.1",
-    "core-js": "^3.6.5",
+    "core-js-pure": "^3.6.5",
     "coveralls": "^3.1.0",
     "cross-env": "^7.0.2",
     "cross-spawn": "^7.0.3",
@@ -129,6 +130,7 @@
     "nps": "^5.10.0",
     "nyc": "^15.1.0",
     "prettier": "^1.19.1",
+    "regenerator-runtime": "^0.13.7",
     "remark": "^12.0.1",
     "remark-github": "^9.0.1",
     "remark-inline-links": "^4.0.0",

rollup.config.js

@@ -36,13 +36,16 @@ const config = {
         [
           '@babel/preset-env',
           {
-            modules: false,
-            useBuiltIns: 'usage',
-            forceAllTransforms: true,
-            corejs: {
-              version: 3,
-              proposals: false
-            }
+            modules: false
+          }
+        ]
+      ],
+      plugins: [
+        [
+          'polyfill-corejs3',
+          {
+            method: 'usage-pure',
+            proposals: true
           }
         ]
       ],