test: add bundles size check (#857)

.size-limit.json

@@ -0,0 +1,37 @@
+[
+  {
+    "name": "zx/core",
+    "path": ["build/core.cjs", "build/util.cjs", "build/vendor-core.cjs"],
+    "limit": "70 kB",
+    "brotli": false,
+    "gzip": false
+  },
+  {
+    "name": "zx/index",
+    "path": "build/*.{js,cjs}",
+    "limit": "842 kB",
+    "brotli": false,
+    "gzip": false
+  },
+  {
+    "name": "dts libdefs",
+    "path": "build/*.d.ts",
+    "limit": "31 kB",
+    "brotli": false,
+    "gzip": false
+  },
+  {
+    "name": "vendor",
+    "path": "build/vendor-*",
+    "limit": "803 kB",
+    "brotli": false,
+    "gzip": false
+  },
+  {
+    "name": "all",
+    "path": "build/*",
+    "limit": "875 kB",
+    "brotli": false,
+    "gzip": false
+  }
+]

package.json

@@ -68,11 +68,12 @@
     "build:vendor": "node scripts/build-js.mjs --format=cjs --entry=src/vendor-*.ts --bundle=all",
     "build:dts": "tsc --project tsconfig.prod.json && node scripts/build-dts.mjs",
     "pretest": "npm run build",
-    "test": "npm run test:unit && npm run test:types && npm run test:license",
+    "test": "npm run test:size && npm run test:unit && npm run test:types && npm run test:license",
     "test:unit": "node ./test/all.test.js",
     "test:circular": "madge --circular src/*",
     "test:types": "tsd",
     "test:license": "node ./test/extra.test.js",
+    "test:size": "size-limit",
     "test:smoke:tsx": "tsx test/smoke/ts.test.ts",
     "test:smoke:tsc": "cd test/smoke && mkdir -p node_modules && ln -s ../../../  ./node_modules/zx; tsc --esModuleInterop --module node16 --rootDir . --outdir ./temp ts.test.ts && node ./temp/ts.test.js",
     "test:smoke:ts-node": "node --loader ts-node/esm test/smoke/ts.test.ts",
@@ -89,6 +90,7 @@
     "@types/node": ">=20"
   },
   "devDependencies": {
+    "@size-limit/file": "^11.1.4",
     "@types/fs-extra": "^11.0.4",
     "@types/minimist": "^1.2.5",
     "@types/node": ">=20.11.30",
@@ -114,6 +116,7 @@
     "minimist": "^1.2.8",
     "node-fetch-native": "^1.6.4",
     "prettier": "^3.3.2",
+    "size-limit": "^11.1.4",
     "ts-node": "^10.9.2",
     "tsd": "^0.31.1",
     "tsx": "^4.15.6",

scripts/build-dts.mjs

@@ -99,11 +99,7 @@ for (const i in results) {
 }
 
 // Replaces redundant triple-slash directives
-for (const dts of await glob([
-  'build/**/*.d.ts',
-  '!build/vendor.d.ts',
-  '!build/core-vendor.d.ts',
-])) {
+for (const dts of await glob(['build/**/*.d.ts', '!build/vendor-*.d.ts'])) {
   const contents = (await fs.readFile(dts, 'utf8'))
     .split('\n')
     .filter((line) => !line.startsWith('/// <reference types'))