[Tests] build tests first, so CI can build/test in different stages

.babelrc

@@ -3,6 +3,14 @@
     "test": {
       "presets": [["airbnb", { looseClasses: true }]],
       "plugins": [
+        ["import-path-replace", {
+          "rules": [
+            {
+              "match": "../src/",
+              "replacement": "../lib/"
+            }
+          ]
+        }],
         ["inline-react-svg", {
           "svgo": false
         }],

.github/workflows/node.yml

@@ -14,11 +14,31 @@ jobs:
         with:
           type: 'majors'
           versionsAsRoot: true
-          preset: '>=6'
-          # to test in node < 6, we need to run the build in one stage, including the tests, and then run the tests in the desired node version later
+          preset: '>=4'
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/install@main
+        with:
+          node-version: 'lts/*'
+      - uses: actions/cache@v2
+        id: cache
+        with:
+          path: |
+            lib
+            esm
+            test-build
+          key: ${{ runner.os }}-${{ hashFiles('package.json', 'src/**', 'test/**', 'scripts/buildCSS.js') }}
+      - run: npm run build
+        if: steps.cache.outputs.cache-hit != 'true'
+      - run: npm run build:test
+        if: steps.cache.outputs.cache-hit != 'true'
+
 
   majors:
-    needs: [matrix]
+    needs: [build, matrix]
     name: 'latest minors'
     runs-on: ubuntu-latest
 
@@ -34,7 +54,7 @@ jobs:
           - '15'
           - '15.5'
           - '15.0'
-          # - '0.14' # TODO: fix pure-component-fallbacl
+          - '0.14'
 
     steps:
       - uses: actions/checkout@v2
@@ -42,13 +62,25 @@ jobs:
         name: 'nvm install ${{ matrix.node-version }} && npm install'
         with:
           node-version: ${{ matrix.node-version }}
+          skip-ls-check: ${{ !startsWith(matrix.node-version, '5.') && !startsWith(matrix.node-version, '4.') && 'true' || 'false' }}
+      - uses: actions/cache@v2
+        id: cache
+        with:
+          path: |
+            lib
+            esm
+            test-build
+          key: ${{ runner.os }}-${{ hashFiles('package.json', 'src/**', 'test/**', 'scripts/buildCSS.js') }}
+      - run: npm run react
+        env:
+          REACT: ${{ matrix.react }}
       - run: npm run tests-only
         env:
           REACT: ${{ matrix.react }}
       - uses: codecov/codecov-action@v2
 
   node:
-    name: 'node 6+'
+    name: 'node.js'
     needs: [majors]
     runs-on: ubuntu-latest
     steps:

.gitignore

@@ -35,6 +35,7 @@ node_modules
 # build folder
 lib
 esm
+test-build
 .idea
 
 # gh-pages

.npmignore

@@ -44,5 +44,6 @@ public
 react-dates-demo.gif
 stories
 test
+test-build
 css
 !lib/css

.nycrc

@@ -7,7 +7,6 @@
     "src"
   ],
   "require": [
-    "@babel/register"
   ],
   "reporter": [
     "text",

package.json

@@ -5,22 +5,23 @@
   "main": "index.js",
   "scripts": {
     "prebuild": "npm run clean",
-    "build": "npm run build:cjs && npm run build:esm && npm run build:css -- --optimize ",
+    "build": "npm run build:cjs && npm run build:esm && npm run build:css -- --optimize",
+    "postbuild": "npm run build:test",
     "build:cjs": "BABEL_ENV=cjs babel src/ -d lib/",
     "build:esm": "BABEL_ENV=esm babel src/ -d esm/",
+    "build:test": "BABEL_ENV=test babel test/ -d test-build/",
     "prebuild:css": "rimraf lib/css && mkdirp lib/css",
     "build:css": "node scripts/buildCSS.js",
-    "clean": "rimraf lib esm",
+    "clean": "rimraf lib esm test-build",
     "lint": "eslint --ext .js,.jsx src test",
-    "mocha": "mocha ./test/_helpers",
+    "mocha": "mocha ./test-build/_helpers",
     "storybook:uninstall": "npm uninstall --no-save @storybook/react && rimraf node_modules/@storybook node_modules/react-modal node_modules/react-dom-factories",
     "react": "NPM_CONFIG_LEGACY_PEER_DEPS=true enzyme-adapter-react-install 16",
     "pretest": "npm run --silent lint",
-    "pretests-only": "npm run react",
     "tests-only": "cross-env NODE_ENV=test nyc npm run mocha --silent",
     "pretests-karma": "npm run react",
     "tests-karma": "karma start",
-    "test": "npm run build && npm run tests-only",
+    "test": "npm run react && npm run build && npm run build:test && npm run tests-only",
     "storybook": "start-storybook -p 6006",
     "storybook:css": "npm run build:css && start-storybook -p 6006 -c .storybook-css",
     "tag": "git tag v$npm_package_version",
@@ -64,12 +65,14 @@
     "airbnb-js-shims": "^2.2.1",
     "aphrodite": "^2.4.0",
     "babel-loader": "^8.2.2",
+    "babel-plugin-import-path-replace": "^0.1.0",
     "babel-plugin-inline-react-svg": "^1.1.2",
     "babel-plugin-inline-svg": "^1.2.0",
     "babel-plugin-istanbul": "^5.2.0",
     "babel-plugin-transform-replace-object-assign": "^2.0.0",
     "babel-preset-airbnb": "^4.5.0",
     "chai": "^4.2.0",
+    "cheerio": "=1.0.0-rc.3",
     "clean-css": "^4.2.3",
     "cross-env": "^5.2.1",
     "enzyme": "^3.11.0",
@@ -104,7 +107,7 @@
     "rimraf": "^2.7.1",
     "safe-publish-latest": "^1.1.4",
     "sass-loader": "^7.3.1",
-    "sinon": "^8.1.1",
+    "sinon": "^7.5.0",
     "sinon-sandbox": "^2.0.6",
     "style-loader": "^0.20.3",
     "typescript": "*",

test/mocha.opts

---require @babel/register
 --require airbnb-js-shims
-test/**/*.{js,jsx}
+test-build/**/*.js