build(rollup): Refactor rollup config and remove acorn dev dependenci…

…es to use updated rollup-plugin

related aMarCruz/rollup-plugin-cleanup#13

package.json

@@ -55,13 +55,12 @@
   "devDependencies": {
     "@types/cosmiconfig": "^5.0.3",
     "@types/jest": "^23.3.10",
-    "acorn-dynamic-import": "^3.0.0",
     "commitizen": "^3.0.5",
     "coveralls": "^3.0.2",
     "cz-conventional-changelog": "^2.1.0",
     "jest": "^23.6.0",
     "prettier": "^1.15.3",
-    "rollup-plugin-cleanup": "^3.0.0",
+    "rollup-plugin-cleanup": "^3.1.0",
     "trash-cli": "^1.4.0",
     "ts-jest": "^23.10.5",
     "tslint": "^5.11.0",

rollup.config.js

@@ -1,8 +1,6 @@
 import typescript from "rollup-plugin-typescript2";
 import cleanup from "rollup-plugin-cleanup";
 import json from "rollup-plugin-json";
-import acorn from "acorn";
-import inject from "acorn-dynamic-import/lib/inject";
 
 import pkg from "./package.json";
 
@@ -27,8 +25,6 @@ const tsPlugin = typescript({
     }
 });
 
-inject(acorn);
-
 export default [
     {
         input: "./src/index.ts",
@@ -43,12 +39,7 @@ export default [
             cleanup({
                 extensions: [".js", ".ts"],
                 comments: /^((?!(Joseph R Cowman)|tslint)[\s\S])*$/, // Removes file-header comments and tslint comments
-                maxEmptyLines: 0,
-                acornOptions: {
-                    plugins: {
-                        dynamicImport: true
-                    }
-                }
+                maxEmptyLines: 0
             })
         ],
         onwarn: suppressCircularImportWarnings