feat: use core-js@3 (#669)

Author: sdjdd

.babelrc

@@ -8,13 +8,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
-          node-version: '10'
+          node-version: 16
       - run: npm ci
       - run: npm test
-      - uses: codecov/codecov-action@v2
+      - uses: codecov/codecov-action@v3
       - run: npm run build
       - if: github.ref_name == 'master'
         run: |

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "modules": "commonjs"
+      }
+    ]
+  ],
+  "plugins": [
+    [
+      "@babel/plugin-transform-runtime",
+      {
+        "corejs": 3
+      }
+    ],
+    [
+      "transform-inline-environment-variables",
+      {
+        "include": ["PLATFORM"]
+      }
+    ]
+  ],
+  "env": {
+    "test": {
+      "plugins": ["istanbul"]
+    }
+  }
+}

babel.config.json

@@ -0,0 +1,2 @@
+> 0.25%
+not dead