Support Node 10

Author: jonathantneal

.gitignore

@@ -1,3 +1,4 @@
+dist
 node_modules
 package-lock.json
 .*
@@ -6,4 +7,3 @@ package-lock.json
 !.travis.yml
 *.log*
 *.result.css
-/index.*

.travis.yml

@@ -8,16 +8,16 @@ os:
   - osx
 
 node_js:
-  - 14
-  - 12
   - 10
+  - 12
+  - 14
 
 jobs:
   include:
-    - node_js: 8
+    - node_js: 14
       os: windows
       before_script: |
-        npm install postcss@7
+        npm install postcss@8
         nvs add 12
         nvs use 12
         npm run pretest:tape

README.md

@@ -22,7 +22,7 @@
 
 3. Add tests to your `.tape.js` file:
    ```js
-   module.exports = {
+   export default {
      'basic': {
        message: 'supports basic usage'
      }

package.json

@@ -1,20 +1,20 @@
 {
   "name": "postcss-tape",
-  "version": "5.0.2",
   "description": "Quickly test PostCSS plugins",
+  "version": "5.0.2",
+  "type": "commonjs",
+  "main": "./dist/index.js",
+  "bin": {
+    "postcss-tape": "./dist/index.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/csstools/postcss-tape.git"
+  },
   "author": "Jonathan Neal <jonathantneal@hotmail.com>",
-  "license": "CC0-1.0",
-  "repository": "csstools/postcss-tape",
   "homepage": "https://github.com/csstools/postcss-tape#readme",
   "bugs": "https://github.com/csstools/postcss-tape/issues",
-  "main": "index.js",
-  "bin": {
-    "postcss-tape": "index.js"
-  },
-  "files": [
-    "index.js",
-    "index.js.map"
-  ],
+  "license": "CC0-1.0",
   "scripts": {
     "build": "rollup --config --silent",
     "prepublish": "npm test",
@@ -27,21 +27,19 @@
     "test:tape:ci": "npm run test:tape:7 -- --ci true && npm run test:tape:8 -- --ci true"
   },
   "engines": {
-    "node": ">=8.0.0"
+    "node": "^10 || ^12 || ^14"
   },
   "peerDependencies": {
-    "postcss": "^7.0.0 || ^8.0.0"
+    "postcss": "^7 || ^8"
   },
   "devDependencies": {
-    "@babel/core": "^7.7.2",
-    "@babel/plugin-syntax-dynamic-import": "^7.2.0",
-    "@babel/preset-env": "^7.7.1",
-    "babel-eslint": "^10.0.3",
-    "eslint": "^6.6.0",
+    "@babel/core": "^7.11.6",
+    "@babel/preset-env": "^7.11.5",
+    "eslint": "^7.9.0",
+    "magic-string": "^0.25.7",
     "postcss": "^8.0.5",
     "rollup": "^2.27.1",
-    "rollup-plugin-babel": "^4.3.3",
-    "rollup-plugin-terser": "^5.1.2"
+    "rollup-plugin-babel": "^4.4.0"
   },
   "eslintConfig": {
     "env": {
@@ -50,13 +48,29 @@
       "node": true
     },
     "extends": "eslint:recommended",
-    "parser": "babel-eslint",
     "parserOptions": {
-      "ecmaVersion": 2018,
+      "ecmaVersion": 12,
       "impliedStrict": true,
       "sourceType": "module"
     },
-    "root": true
+    "root": true,
+    "rules": {
+      "semi": [
+        "error",
+        "never"
+      ]
+    }
+  },
+  "prettier": {
+    "arrowParens": "avoid",
+    "bracketSpacing": true,
+    "endOfLine": "lf",
+    "printWidth": 360,
+    "quoteProps": "consistent",
+    "semi": false,
+    "singleQuote": true,
+    "trailingComma": "all",
+    "useTabs": true
   },
   "keywords": [
     "postcss",

rollup.config.js

@@ -1,24 +1,32 @@
-import babel from 'rollup-plugin-babel';
-import { terser } from 'rollup-plugin-terser';
+import babel from 'rollup-plugin-babel'
+import MagicString from 'magic-string'
 
 export default {
 	input: 'src/index.js',
-	output: { file: 'index.js', format: 'cjs', sourcemap: true, strict: false },
+	output: {
+		file: 'dist/index.js',
+		format: 'cjs',
+		sourcemap: true,
+		strict: true,
+	},
 	plugins: [
 		babel({
-			plugins: [ '@babel/syntax-dynamic-import' ],
-			presets: [ ['@babel/env', { targets: { node: 8 } }] ]
+			presets: [['@babel/env', { targets: { node: 10 } }]],
 		}),
-		terser(),
-		addHashBang()
-	]
-};
+		addHashBang(),
+	],
+}
 
-function addHashBang () {
+function addHashBang() {
 	return {
 		name: 'add-hash-bang',
-		renderChunk (code) {
-			return `#!/usr/bin/env node\n${code}`;
-		}
-	};
+		renderChunk(code) {
+			const str = new MagicString(code)
+			str.prepend(`#!/usr/bin/env node\n`)
+			return {
+				code: str.toString(),
+				map: str.generateMap({ hires: true }),
+			}
+		},
+	}
 }