feat: generate esm builds

.gitignore

@@ -1,4 +1,5 @@
 /node_modules
 /lib
 /dist
-/coverage
+/coverage
+/build

package.json

@@ -2,16 +2,17 @@
   "name": "@forensic-js/utils",
   "version": "0.0.0-development",
   "description": "A collection of day-to-day utility methods usable in both node and browser environments",
-  "main": "lib/index",
-  "typings": "lib/typings/index",
+  "main": "build/index",
+  "module": "build/esm/index",
+  "typings": "build/index",
   "publishConfig": {
     "access": "public"
   },
   "scripts": {
     "commit": "git-cz",
     "test": "BABEL_ENV=test jest",
     "watch-test": "BABEL_ENV=test jest --watch",
-    "build": "rimraf dist lib && tsc && BABEL_ENV=build rollup --config",
+    "build": "rimraf build && tsc && rollup-all",
     "report-coverage": "jest --coverage --coverageReporters=text-lcov | coveralls",
     "semantic-release": "semantic-release"
   },
@@ -38,11 +39,7 @@
     "cz-conventional-changelog": "2.1.0",
     "jest": "24.3.1",
     "rimraf": "2.6.3",
-    "rollup": "0.66.6",
-    "rollup-all": "1.6.16",
-    "rollup-plugin-babel": "4.3.2",
-    "rollup-plugin-node-resolve": "3.4.0",
-    "rollup-plugin-uglify": "6.0.2",
+    "rollup-all": "1.10.0",
     "semantic-release": "^15.13.24",
     "semantic-release-cli": "5.2.1",
     "tslint": "5.12.0",

rollup.config.js

@@ -1,26 +1,4 @@
-import resolve from 'rollup-plugin-node-resolve';
-import babel from 'rollup-plugin-babel';
-import { uglify } from 'rollup-plugin-uglify';
-
-import rollupAll from 'rollup-all';
-
-const plugins = [
-  resolve({
-    extensions: ['.ts', '.js'],
-  }),
-  babel({
-    exclude: 'node_modules/**',
-    extensions: ['.ts', '.js'],
-  }),
-];
-
-export default rollupAll.getExports(uglify(), plugins, {
-  entryFile: 'index.ts',
-  moduleName: 'Utils',
-  distConfig: {
-    enabled: true,
-  },
-  libConfig: {
-    enabled: true,
-  },
+const { config } = require('rollup-all');
+module.exports = config({
+  config: {}
 });

src/index.ts

@@ -118,6 +118,7 @@ export const isObject = <T = object>(arg: any): arg is T => {
   return (
     typeof arg === 'object' &&
     arg !== null &&
+    arg !== undefined &&
     !isCallable(arg) &&
     !isArray(arg) &&
     !isRegex(arg)

tsconfig.json

@@ -4,7 +4,7 @@
     "target": "esnext",
     "declaration": true,
     "emitDeclarationOnly": true,
-    "declarationDir": "./lib/typings",
+    "declarationDir": "./build",
     "noImplicitAny": false,
     "downlevelIteration": true,
     "lib": ["dom", "es5", "es2015.collection", "es2015.iterable"]