fix: use default export mode for commonjs build

Author: znck

Diff for: package.json

@@ -3,7 +3,6 @@
   "version": "6.0.0-alpha.0",
   "license": "MIT",
   "main": "dist/index.js",
-  "module": "dist/rollup-plugin-vue.esm.js",
   "typings": "dist/index.d.ts",
   "author": "Rahul Kadyan <[email protected]> (https://znck.me)",
   "files": [
@@ -12,24 +11,33 @@
   "dependencies": {
     "debug": "^4.1.1",
     "hash-sum": "^2.0.0",
+    "lint-staged": "^10.1.1",
     "rollup-pluginutils": "^2.8.2",
     "sourcemap-codec": "^1.4.8"
   },
   "peerDependencies": {
     "@vue/compiler-sfc": "*"
   },
   "devDependencies": {
-    "@vue/compiler-sfc": "^3.0.0-alpha.10",
+    "@rollup/plugin-typescript": "^4.0.0",
     "@types/debug": "^4.1.5",
     "@types/jest": "^24.9.0",
+    "@vue/compiler-sfc": "^3.0.0-alpha.10",
     "husky": "^4.2.0",
     "rollup": "^1.29.1",
     "tsdx": "^0.12.3",
     "tslib": "^1.10.0",
     "typescript": "^3.7.5"
   },
   "husky": {
-    "hooks": {}
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
+  "lint-staged": {
+    "*.{ts,js,json}": [
+      "prettier --write"
+    ]
   },
   "prettier": {
     "printWidth": 80,
@@ -38,10 +46,10 @@
     "singleQuote": true
   },
   "scripts": {
-    "build": "tsdx build",
-    "lint": "tsdx lint",
-    "prepare": "tsdx build",
-    "start": "tsdx watch",
+    "build": "rollup -c",
+    "lint": "tsdx lint src",
+    "prepublishOnly": "npm run build",
+    "start": "tsdx watch --target node",
     "test": "tsdx test"
   }
 }

Diff for: rollup.config.js

@@ -0,0 +1,22 @@
+import typescript from '@rollup/plugin-typescript'
+import { dependencies, peerDependencies } from './package.json'
+
+/** @type {import('rollup').RollupOptions} */
+const config = {
+  input: 'src/index.ts',
+  output: {
+    format: 'cjs',
+    dir: 'dist',
+    sourcemap: true,
+    exports: 'default'
+  },
+  external: [
+    'path',
+    'querystring',
+    ...Object.keys(dependencies),
+    ...Object.keys(peerDependencies),
+  ],
+  plugins: [typescript()]
+}
+
+export default config

Diff for: src/cssModules.ts

@@ -23,7 +23,6 @@ import { basename, relative } from 'path'
 import qs from 'querystring'
 import { Plugin, RollupError } from 'rollup'
 import { createFilter } from 'rollup-pluginutils'
-import { genCSSModulesCode } from './cssModules'
 import { encode } from 'sourcemap-codec'
 
 const debug = createDebugger('rollup-plugin-vue')
@@ -460,3 +459,20 @@ function normalizeSourceMap(map: SFCTemplateCompileResults['map']): any {
     mappings: typeof map.mappings === 'string' ? map.mappings : '',
   }
 }
+
+function genCSSModulesCode(
+  // @ts-ignore
+  id: string,
+  index: number,
+  request: string,
+  moduleName: string | boolean
+): string {
+  const styleVar = `style${index}`
+  let code = `\nimport ${styleVar} from ${request}`
+
+  // inject variable
+  const name = typeof moduleName === 'string' ? moduleName : '$style'
+  code += `\ncssModules["${name}"] = ${styleVar}`
+
+  return code
+}

Diff for: src/index.ts

@@ -7,7 +7,8 @@
     "importHelpers": true,
     "declaration": true,
     "sourceMap": true,
-    "rootDir": "./",
+    "rootDir": "src",
+    "outDir": "dist",
     "strict": true,
     "noImplicitAny": true,
     "strictNullChecks": true,
@@ -20,7 +21,6 @@
     "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,
     "moduleResolution": "node",
-    "baseUrl": "./",
     "jsx": "react",
     "esModuleInterop": true
   }