feat: add size-limit (#19)

.github/workflows/size-limit.yml

@@ -0,0 +1,15 @@
+name: "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 }}

package.json

@@ -12,6 +12,7 @@
     "@cloudflare/wrangler": "1.19.5",
     "@commitlint/cli": "15.0.0",
     "@commitlint/config-conventional": "15.0.0",
+    "@size-limit/preset-small-lib": "^7.0.3",
     "@tsconfig/recommended": "1.0.1",
     "@typescript-eslint/eslint-plugin": "5.4.0",
     "esbuild": "0.14.0",
@@ -25,6 +26,7 @@
     "husky": "7.0.4",
     "lint-staged": "12.1.2",
     "prettier": "2.5.0",
+    "size-limit": "7.0.3",
     "standard-version": "9.3.2",
     "typescript": "4.5.2"
   },
@@ -48,11 +50,15 @@
   },
   "scripts": {
     "build": "rimraf dist && esbuild --bundle src/index.ts --minify --sourcemap --outfile=dist/index.js",
+    "size": "yarn build && size-limit",
     "lint": "eslint ./src --fix",
     "prerelease": "yarn lint && yarn build",
     "release": "standard-version",
     "postrelease": "git push --follow-tags"
   },
+  "size-limit": [{
+    "path": "dist/index.js"
+  }],
   "husky": {
     "hooks": {
       "pre-commit": [