feat: support Cypress v9 (#22)

* feat: add Cypress v9 support

* set up CI to test Cypress v9

.github/workflows/ci.yml

@@ -7,10 +7,45 @@ jobs:
       - name: Checkout 🛎
         uses: actions/checkout@v3
 
-      - name: Run tests 🧪
+      - name: Run Cypress tests 🧪
         # https://github.com/cypress-io/github-action
         uses: cypress-io/github-action@v4
 
+  test-cypress-v9:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout 🛎
+        uses: actions/checkout@v3
+
+      - name: Install top dependencies 📦
+        # https://github.com/cypress-io/github-action
+        uses: cypress-io/github-action@v4
+        with:
+          runTests: false
+
+      - name: Run Cypress v9 tests 🧪
+        uses: cypress-io/github-action@v4
+        with:
+          working-directory: cypress-v9
+
+      - uses: actions/upload-artifact@v2
+        name: Store any v9 screenshots 🖼
+        if: failure()
+        with:
+          name: cypress-screenshots-v9
+          path: cypress-v9/cypress/screenshots
+
+  release:
+    needs: [test, test-cypress-v9]
+    runs-on: ubuntu-20.04
+    if: github.ref == 'refs/heads/main'
+    steps:
+      - name: Checkout 🛎
+        uses: actions/checkout@v3
+
+      - name: Install only the semantic release 📦
+        run: npm install semantic-release
+
       - name: Semantic Release 🚀
         uses: cycjimmy/semantic-release-action@v2
         with:

README.md

@@ -2,7 +2,7 @@
 
 > Easy conditional if-else logic for your Cypress tests
 
-Tested with `cy.get`, `cy.contains`, `cy.find`, `.then`, `.within` commands in Cypress v10+ only.
+Tested with `cy.get`, `cy.contains`, `cy.find`, `.then`, `.within` commands in Cypress v9 and v10+.
 
 - 📺 [Introduction To Using cypress-if Plugin to Write Conditional Cypress Commands](https://youtu.be/TVwU0OvrVUA)
 - 🎓 Covered in my [Cypress Plugins course](https://cypress.tips/courses/cypress-plugins)

cypress-v9/cypress.json

@@ -0,0 +1,5 @@
+{
+  "pluginsFile": false,
+  "supportFile": false,
+  "fixturesFolder": false
+}

cypress-v9/cypress/integration/spec.cy.js

@@ -0,0 +1,36 @@
+/// <reference path="../../../src/index.d.ts" />
+import '../../../src'
+
+it('executes the IF branch', () => {
+  cy.wrap(1)
+    .if('equal', 1)
+    .then(cy.spy().as('if'))
+    .else()
+    .then(cy.spy().as('else'))
+    .finally()
+    .should('equal', 1)
+  cy.get('@if').should('have.been.calledOnce')
+  cy.get('@else').should('not.be.called')
+})
+
+describe('wrapped value', () => {
+  it('performs an action if the wrapped value is equal to 42', () => {
+    cy.wrap(42).if('equal', 42).then(cy.spy().as('action')).then(cy.log)
+    cy.get('@action').should('have.been.calledOnce')
+  })
+
+  it('does nothing if it is not 42', () => {
+    cy.wrap(1).if('equal', 42).then(cy.spy().as('action')).then(cy.log)
+    cy.get('@action').should('not.have.been.called')
+  })
+
+  context('.else', () => {
+    it('passes the subject to the else branch', () => {
+      cy.wrap(1).if('equal', 42).log('if branch').else().should('equal', 1)
+    })
+
+    it('passes the subject if().else()', () => {
+      cy.wrap(1).if('equal', 42).else().should('equal', 1)
+    })
+  })
+})