update dependencies, modernize

Author: mourner

package.json

@@ -3,35 +3,30 @@
   "version": "0.2.0",
   "description": "RollupJS plugin to remove assertion calls via Unassert",
   "main": "dist/rollup-plugin-unassert.cjs.js",
-  "jsnext:main": "dist/rollup-plugin-unassert.es.js",
+  "module": "dist/rollup-plugin-unassert.es.js",
   "files": [
     "src",
     "dist",
     "README.md"
   ],
   "dependencies": {
-    "acorn": "^4.0.4",
-    "convert-source-map": "^1.5.1",
-    "escodegen": "^1.8.1",
-    "multi-stage-sourcemap": "^0.2.1",
-    "rollup-pluginutils": "^2.0.1",
+    "acorn": "^6.1.1",
+    "convert-source-map": "^1.6.0",
+    "escodegen": "^1.11.1",
+    "multi-stage-sourcemap": "^0.3.1",
+    "rollup-pluginutils": "^2.5.0",
     "unassert": "^1.5.1"
   },
   "devDependencies": {
-    "rollup": "^0.56.2",
-    "rollup-plugin-buble": "^0.15.0"
-  },
-  "peerDependencies": {
-    "rollup": "^0.56.2"
+    "rollup": "^1.7.0",
+    "rollup-plugin-buble": "^0.19.6"
   },
   "scripts": {
     "test": "node test/test.js",
-    "pretest": "npm run build:cjs",
-    "build": "npm run build:cjs && npm run build:es",
-    "build:cjs": "rollup -c -o dist/rollup-plugin-unassert.cjs.js -f cjs",
-    "build:es": "rollup -c -o dist/rollup-plugin-unassert.es.js -f es",
+    "pretest": "npm run lint && npm run build",
+    "build": "rollup -c",
     "lint": "eslint src",
-    "prepublish": "npm run lint && npm test && npm run build:es"
+    "prepublishOnly": "npm test"
   },
   "repository": {
     "type": "git",

rollup.config.js

@@ -1,6 +1,16 @@
 import buble from 'rollup-plugin-buble';
 
-export default {
-	entry: 'src/unassert.js',
-	plugins: [ buble() ]
-};
+const config = (format) => ({
+    input: 'src/unassert.js',
+    external: ['rollup-pluginutils', 'acorn', 'escodegen', 'unassert', 'convert-source-map', 'multi-stage-sourcemap'],
+    output: {
+        file: `dist/rollup-plugin-unassert.${format}.js`,
+        format
+    },
+    plugins: [buble()]
+});
+
+export default [
+    config('cjs'),
+    config('es')
+];

src/unassert.js

@@ -91,8 +91,3 @@ export default function unassert ( options = {} ) {
 		}
 	};
 }
-
-
-
-
-

test/test.js

@@ -17,14 +17,15 @@ rollup.rollup({
 		format: 'es',
 		sourcemap: 'inline'
 	}).then(result => {
+		var code = result.output[0].code;
 		var expected = fs.readFileSync('test/expected.js').toString();
 
-		if (expected === result.code) {
+		if (expected === code) {
 			console.log("rollup-plugin-unassert unit test passed");
 			process.exit(0);
 		} else {
 			console.log("rollup-plugin-unassert unit test failed");
-			console.log("Generated code: \n", result.code);
+			console.log("Generated code: \n", code);
 			console.log("Expected code: \n", expected);
 			process.exit(-1);
 		}