Run CI with 18

.github/workflows/validate.yml

@@ -30,7 +30,7 @@ jobs:
       fail-fast: false
       matrix:
         node: [14, 16, 18]
-        react: [latest, canary, experimental]
+        react: ["18.x", latest, canary, experimental]
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo

jest.config.js

@@ -0,0 +1,16 @@
+const {jest: jestConfig} = require('kcd-scripts/config')
+
+module.exports = Object.assign(jestConfig, {
+  coverageThreshold: {
+    ...jestConfig.coverageThreshold,
+    // Full coverage across the build matrix (React 18, 19) but not in a single job
+    // Ful coverage is checked via codecov
+    './src/act-compat.js': {
+      // minimum coverage of jobs using React 18 and 19
+      branches: 90,
+      functions: 100,
+      lines: 100,
+      statements: 100,
+    },
+  },
+})