Add support for node 12.x (#42)

Author: jelhan

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         fetch-depth: 1
     - uses: actions/setup-node@v2-beta
       with:
-        node-version: '14.x'
+        node-version: '12.x'
     - name: Install Dependencies
       run: yarn install --frozen-lockfile
     - name: Lint
@@ -32,7 +32,7 @@ jobs:
         fetch-depth: 1
     - uses: actions/setup-node@v2-beta
       with:
-        node-version: '14.x'
+        node-version: '12.x'
     - name: Install Dependencies
       run: yarn install --frozen-lockfile
     - name: Test

package.json

@@ -46,7 +46,7 @@
     "typescript": "^4.1.2"
   },
   "engines": {
-    "node": ">=14"
+    "node": "12.x || >=14"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org"

tests/acceptance/creates-github-actions.test.ts

@@ -1,10 +1,13 @@
 import execa from 'execa';
 import fs from 'fs';
-import { mkdtemp, readFile, rmdir } from 'fs/promises';
+import { promises as fsPromises } from 'fs';
 import os from 'os';
 import path from 'path';
 import { prepareFixtures } from '../utils/fixtures';
 
+// import directly from fs/promises when dropping node 12 support
+const { mkdtemp, readFile, rmdir } = fsPromises;
+
 const executable = path.join(
   __dirname,
   '..',