Bump minimum supported node version to 12

.github/workflows/ci.yml

@@ -11,6 +11,7 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: "*"
+          cache: 'yarn'
       - name: Install dependencies
         run: yarn
       - name: Lint
@@ -20,7 +21,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node-version: [10.x, 12.x, 14.x, 15.x]
+        node-version: [12.x, 14.x, 16.x]
         webpack-version: [latest, '4']
         include:
           - node: 14.x
@@ -33,6 +34,7 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: ${{ matrix.node-version }}
+          cache: 'yarn'
       - name: Install dependencies
         run: yarn
       - name: Install webpack ${{ matrix.webpack-version }}
@@ -48,29 +50,4 @@ jobs:
         if: ${{ matrix.coverage }}
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-  test-legacy:
-    name: Test - ubuntu-latest - Node v8.9, Webpack 4
-    runs-on: ubuntu-latest
-    env:
-      YARN_NODE_LINKER: node-modules
-    steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js 14.x
-        uses: actions/setup-node@v1
-        with:
-          node-version: 14.x
-      - name: Install dependencies
-        run: yarn
-      - name: Install webpack 4
-        run: yarn add -D webpack@4
-      - name: Build babel-loader
-        run: yarn run build
-        env:
-          BABEL_ENV: test
-      - name: Use Node.js 8.9
-        uses: actions/setup-node@v1
-        with:
-          node-version: '8.9'
-      - name: Run tests for webpack version 4
-        run: node scripts/test-legacy
 

.yarnrc.yml

@@ -1 +1,2 @@
-yarnPath: .yarn/releases/yarn-2.3.3.cjs
+yarnPath: .yarn/releases/yarn-3.2.0.cjs
+nodeLinker: node-modules

babel.config.json

@@ -3,7 +3,7 @@
     ["@babel/preset-env", {
       "loose": true,
       "targets": {
-        "node": "6.9"
+        "node": "12.0.0"
       }
     }]
   ],

package.json

@@ -11,8 +11,8 @@
   },
   "dependencies": {
     "find-cache-dir": "^3.3.1",
+    "lmdb": "^2.2.4",
     "loader-utils": "^1.4.0",
-    "make-dir": "^3.1.0",
     "schema-utils": "^2.6.5"
   },
   "peerDependencies": {
@@ -36,6 +36,7 @@
     "eslint-plugin-prettier": "^3.0.0",
     "husky": "^4.3.0",
     "lint-staged": "^10.5.1",
+    "node-preload": "^0.2.1",
     "nyc": "^15.1.0",
     "pnp-webpack-plugin": "^1.6.4",
     "prettier": "^2.1.2",

test/loader.test.js

@@ -54,9 +54,8 @@ test.cb("should transpile the code snippet", t => {
       t.true(files.length === 1);
       fs.readFile(path.resolve(t.context.directory, files[0]), (err, data) => {
         t.is(err, null);
-        const test = "var App = function App()";
+        const test = "var App = /*#__PURE__*/_createClass(function App()";
         const subject = data.toString();
-
         t.not(subject.indexOf(test), -1);
 
         t.end();