feat: Try size-limit gh action

Author: HazAT

.github/workflows/size-limit.yml

@@ -0,0 +1,15 @@
+name: 'Bundle Size'
+on:
+  pull_request:
+    branches:
+      - master
+jobs:
+  size:
+    runs-on: ubuntu-latest
+    env:
+      CI_JOB_NUMBER: 1
+    steps:
+      - uses: actions/checkout@v1
+      - uses: andresz1/size-limit-action@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}

.size-limit.js

@@ -0,0 +1,14 @@
+module.exports = [
+  {
+    name: '@sentry/browser - CDN Bundle (gzipped)',
+    path: 'packages/browser/build/bundle.min.js',
+    gzip: true,
+    limit: '18 KB',
+  },
+  {
+    name: '@sentry/browser - Webpack',
+    path: 'packages/browser/dist/index.js',
+    import: '{ init }',
+    limit: '18 KB',
+  },
+];

package.json

@@ -15,7 +15,7 @@
     "postpublish": "make publish-docs"
   },
   "volta": {
-    "node": "10.15.3",
+    "node": "10.18.1",
     "yarn": "1.13.0"
   },
   "workspaces": [
@@ -34,6 +34,7 @@
   ],
   "devDependencies": {
     "@google-cloud/storage": "^2.5.0",
+    "@size-limit/preset-big-lib": "^4.5.5",
     "@strictsoftware/typedoc-plugin-monorepo": "^0.2.1",
     "@types/chai": "^4.1.3",
     "@types/jest": "^24.0.11",
@@ -55,6 +56,7 @@
     "replace-in-file": "^4.0.0",
     "rimraf": "^2.6.3",
     "sinon": "^7.3.2",
+    "size-limit": "^4.5.5",
     "ts-jest": "^24.0.2",
     "tslint": "^5.16.0",
     "typedoc": "^0.14.2",