chore(eslint-config-amex): update 15.x (#45)

BREAKING CHANGE: drops support for node 10, 12, and 14

.github/workflows/health-check.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ '10.x', '12.x', '14.x' ]
+        node: [ '16.x']
     name: Node ${{ matrix.node }}
     steps:
     - uses: actions/checkout@v2

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v1
         with:
-          node-version: '12'
+          node-version: '16'
       - run: NODE_ENV=development npm ci
       - run: npm run test
       - name: Semantic release

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ '10.x', '12.x', '14.x' ]
+        node: ['16.x']
     name: Node ${{ matrix.node }}
     steps:
     - uses: actions/checkout@v2

__tests__/index.spec.js

@@ -36,7 +36,7 @@ describe('babel-preset-amex', () => {
   it('includes an array of presets', () => {
     expect(preset().presets).toEqual(expect.any(Array));
     expect(preset().presets.length).toBe(2);
-    preset().presets.forEach(p => expect(p).toEqual(expect.any(Object)));
+    preset().presets.forEach((p) => expect(p).toEqual(expect.any(Object)));
   });
 
   it('includes an array of plugins in production', () => {
@@ -48,7 +48,7 @@ describe('babel-preset-amex', () => {
   it('returns modern preset for env and option', () => {
     process.env.NODE_ENV = 'production';
     const presetModernOpt = preset({}, { modern: true });
-    const presetModernEnv = preset({ env: envName => envName === 'modern' });
+    const presetModernEnv = preset({ env: (envName) => envName === 'modern' });
     expect(presetModernOpt).toMatchSnapshot();
     expect(presetModernEnv).toMatchSnapshot();
     expect(presetModernOpt).toEqual(presetModernEnv);
@@ -57,7 +57,7 @@ describe('babel-preset-amex', () => {
   it('returns server only config when given serverOnly option', () => {
     process.env.NODE_ENV = 'production';
     const presetServerOnlyOpt = preset({}, { serverOnly: true });
-    const presetServerEnv = preset({ env: envName => envName === 'server' });
+    const presetServerEnv = preset({ env: (envName) => envName === 'server' });
     expect(presetServerOnlyOpt).toMatchSnapshot();
     expect(presetServerEnv).toMatchSnapshot();
     expect(presetServerOnlyOpt).toEqual(presetServerEnv);

browserlist.js

@@ -19,7 +19,7 @@ const browserList = [
   'Firefox',
   'iOS',
   'Safari',
-].map(browser => `last 2 ${browser} versions`);
+].map((browser) => `last 2 ${browser} versions`);
 
 const legacyBrowserList = ['last 2 versions', 'not dead'];
 

index.js

@@ -44,14 +44,14 @@ module.exports = (api = {}, opts = {}) => {
     targets.browsers = isModern ? browserList : legacyBrowserList;
   }
 
-  const presetEnvOptions = Object.assign(
-    {},
-    { targets },
-    opts['preset-env'],
-    opts.moduleFormat === 'esm' && { modules: false }
-  );
+  const presetEnvOptions = {
 
-  const reactPresetOptions = Object.assign({}, opts['react-preset']);
+    targets,
+    ...opts['preset-env'],
+    ...opts.moduleFormat === 'esm' && { modules: false },
+  };
+
+  const reactPresetOptions = { ...opts['react-preset'] };
 
   return {
     presets: [