Revert "feat(build): adds ESM outputs, separate types into lib/types dir (#422)"

This reverts commit f0d6cf3.

Author: bkrem

babel.config.js

@@ -0,0 +1,10 @@
+module.exports = {
+  presets: [
+    ['@babel/preset-env',{targets: {node: 'current'}}],
+    '@babel/preset-typescript',
+    '@babel/preset-react',
+  ],
+  plugins: [
+    '@babel/plugin-proposal-class-properties',
+  ],
+};

babel.config.json

@@ -0,0 +1,28 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'jsdom',
+  roots: ['<rootDir>/src/'],
+  transform: {
+    '^.+\\.jsx?$': 'babel-jest',
+    '\\.(ts|tsx)$': 'ts-jest',
+  },
+  // Ensure we transform `d3-*` package sources to CommonJS too.
+  transformIgnorePatterns: ['node_modules/(?!(d3-.+))'],
+  moduleNameMapper: {
+    '.*\\.(css|less|styl|scss|sass)$': '<rootDir>/jest/mocks/cssModule.js',
+  },
+  setupFilesAfterEnv: ['<rootDir>/jest/setup.ts'],
+  collectCoverageFrom: [
+    'src/**/*.{js,jsx,ts,tsx}',
+    '!src/index.js',
+    '!src/**/*.test.{js,jsx,ts,tsx}',
+  ],
+  coverageThreshold: {
+    global: {
+      statements: 90,
+      branches: 84,
+      functions: 90,
+      lines: 90,
+    },
+  },
+};

jest.config.js

@@ -1,6 +1,6 @@
-import raf from './polyfills/raf';
+import raf from './polyfills/raf'
 import { configure } from 'enzyme';
 import Adapter from 'enzyme-adapter-react-16';
 
 // @ts-ignore
-configure({ adapter: new Adapter() });
+configure({ adapter: new Adapter() });