react 16 test

.github/workflows/test.yml

@@ -34,7 +34,9 @@ jobs:
 
       - name: install
         if: steps.node_modules_cache_id.outputs.cache-hit != 'true'
-        run: npm ci
+        run: |
+          npm ci
+          ./scripts/install-react.sh
 
   compile:
     runs-on: ubuntu-latest
@@ -258,3 +260,30 @@ jobs:
         env:
           LIB_DIR: es
     needs: compile
+
+  dom-react-16:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@master
+
+      - name: restore cache from package-lock.json
+        uses: actions/cache@v2
+        with:
+          path: package-temp-dir
+          key: lock-${{ github.sha }}
+
+      - name: restore cache from node_modules
+        uses: actions/cache@v2
+        with:
+          path: node_modules
+          key: node_modules-${{ hashFiles('**/package-temp-dir/package-lock.json') }}
+
+      - name: test
+        run: npm test -- -w 1 --coverage
+
+      - name: coverage
+        run: bash <(curl -s https://codecov.io/bash)
+    needs: setup
+    environment:
+      REACT: 16

package.json

@@ -193,7 +193,6 @@
     "docsearch.js": "^2.6.3",
     "enquire-js": "^0.2.1",
     "enzyme": "^3.10.0",
-    "enzyme-adapter-react-16": "^1.14.0",
     "enzyme-to-json": "^3.6.0",
     "esbuild-webpack-plugin": "^1.0.0",
     "eslint": "^7.9.0",

scripts/install-react.sh

@@ -0,0 +1,8 @@
+
+#!/bin/bash
+
+set -x
+
+if [ "$REACT" = 16 ]; then
+  npm i --no-save react@16 react-dom@16 react-test-renderer@16 enzyme-adapter-react-16
+fi

tests/setup.js

@@ -31,7 +31,10 @@ if (typeof window !== 'undefined') {
 
 const Enzyme = require('enzyme');
 
-const Adapter = require('@wojtekmaj/enzyme-adapter-react-17');
+const Adapter =
+  process.env.REACT === '16'
+    ? require('enzyme-adapter-react-16') // eslint-disable-line import/no-extraneous-dependencies
+    : require('@wojtekmaj/enzyme-adapter-react-17');
 
 Enzyme.configure({ adapter: new Adapter() });