chore: remove react-scripts and jest (cypress-io#25383)

Co-authored-by: Emily Rohrbough <emilyrohrbough@users.noreply.github.com>

.circleci/workflows.yml

@@ -1774,31 +1774,6 @@ jobs:
       - run:
           name: Build
           command: yarn workspace @cypress/webpack-preprocessor build
-      - run:
-          name: Test babelrc
-          command: yarn test
-          working_directory: npm/webpack-preprocessor/examples/use-babelrc
-      - run:
-          name: Build ts-loader
-          command: yarn install
-          working_directory: npm/webpack-preprocessor/examples/use-ts-loader
-      - run:
-          name: Types ts-loader
-          command: yarn types
-          working_directory: npm/webpack-preprocessor/examples/use-ts-loader
-      - run:
-          name: Test ts-loader
-          command: yarn test
-          working_directory: npm/webpack-preprocessor/examples/use-ts-loader
-      - run:
-          name: Start React app
-          command: yarn start
-          background: true
-          working_directory: npm/webpack-preprocessor/examples/react-app
-      - run:
-          name: Test React app
-          command: yarn test
-          working_directory: npm/webpack-preprocessor/examples/react-app
       - run:
           name: Run tests
           command: yarn workspace @cypress/webpack-preprocessor test

npm/eslint-plugin-dev/package.json

@@ -7,7 +7,7 @@
     "lint": "eslint --ext .js,json,.eslintrc .",
     "lint-changed": "node ./lib/scripts/lint-changed",
     "lint-fix": "npm run lint -- --fix",
-    "test": "jest"
+    "test": "mocha"
   },
   "dependencies": {
     "bluebird": "3.5.5",
@@ -21,8 +21,6 @@
     "eslint-plugin-json-format": "^2.0.0",
     "eslint-plugin-mocha": "^8.1.0",
     "eslint-plugin-promise": "^4.2.1",
-    "jest": "^24.9.0",
-    "jest-cli": "^24.9.0",
     "sinon": "^7.3.2",
     "sinon-chai": "^3.3.0"
   },

npm/eslint-plugin-dev/test/.eslintrc

@@ -1,8 +1,5 @@
 {
   "extends": [
     "plugin:@cypress/dev/tests"
-  ],
-  "env": {
-    "jest": true
-  }
+  ]
 }

npm/eslint-plugin-dev/test/arrow-body-multiline-braces.spec.js

@@ -2,6 +2,7 @@ const path = require('path')
 const CLIEngine = require('eslint').CLIEngine
 const plugin = require('..')
 const _ = require('lodash')
+const { expect } = require('chai')
 
 const pluginName = '__plugin__'
 
@@ -44,14 +45,14 @@ describe('arrow-body-multiline-braces', () => {
       fix: true,
     })
 
-    expect(result.output).toContain('{')
+    expect(result.output).to.contain('{')
   })
 
   it('lint oneline js', async () => {
     const filename = './fixtures/oneline.js'
     const result = execute(filename, { fix: false })
 
     expect(result.output).not.ok
-    expect(result).toHaveProperty('errorCount', 0)
+    expect(result.errorCount).eq(0)
   })
 })

npm/eslint-plugin-dev/test/no-only.spec.js

@@ -2,6 +2,7 @@ const path = require('path')
 const CLIEngine = require('eslint').CLIEngine
 const plugin = require('..')
 const _ = require('lodash')
+const { expect } = require('chai')
 
 const ruleName = 'no-only'
 const pluginName = '__plugin__'
@@ -44,11 +45,11 @@ describe('no-only', () => {
       fix: true,
     })
 
-    expect(result.errorCount).toBe(3)
-    expect(result.messages[0].message).toContain('it')
-    expect(result.messages[1].message).toContain('describe')
-    expect(result.messages[2].message).toContain('context')
+    expect(result.errorCount).eq(3)
+    expect(result.messages[0].message).to.contain('it')
+    expect(result.messages[1].message).to.contain('describe')
+    expect(result.messages[2].message).to.contain('context')
 
-    expect(result.output).not.toBeTruthy()
+    expect(result.output).not.exist
   })
 })

npm/eslint-plugin-dev/test/no-return-before.spec.js

@@ -3,6 +3,7 @@ const CLIEngine = require('eslint').CLIEngine
 const plugin = require('..')
 const _ = require('lodash')
 const { stripIndent } = require('common-tags')
+const { expect } = require('chai')
 
 const ruleName = 'no-return-before'
 const pluginName = '__plugin__'
@@ -44,7 +45,7 @@ describe(ruleName, () => {
     const filename = './fixtures/no-return-before-pass.js'
     const result = execute(filename)
 
-    expect(result.errorCount).toBe(0)
+    expect(result.errorCount).equal(0)
   })
 
   it('fail', async () => {
@@ -53,15 +54,15 @@ describe(ruleName, () => {
       fix: false,
     })
 
-    expect(result.errorCount).toBe(4)
-    expect(result.messages[0].message).toContain(`after 'describe'`)
+    expect(result.errorCount).equal(4)
+    expect(result.messages[0].message).to.contain(`after 'describe'`)
   })
 
   it('fix fail', async () => {
     const filename = './fixtures/no-return-before-fail.js'
     const result = execute(filename)
 
-    expect(result.output).toEqual(`${stripIndent`
+    expect(result.output).equal(`${stripIndent`
     describe('outer', ()=>{
       describe('some test', ()=>{
         context('some test', ()=>{
@@ -89,11 +90,11 @@ describe(ruleName, () => {
         },
       })
 
-      expect(result.errorCount).toBe(1)
+      expect(result.errorCount).equal(1)
 
-      expect(result.messages[0].message).toContain('someFn')
+      expect(result.messages[0].message).to.contain('someFn')
 
-      expect(result.output).not.toBeTruthy()
+      expect(result.output).not.not.exist
     })
   })
 })

npm/eslint-plugin-dev/test/skip-comment.spec.js

@@ -2,6 +2,7 @@ const path = require('path')
 const CLIEngine = require('eslint').CLIEngine
 const plugin = require('..')
 const _ = require('lodash')
+const { expect } = require('chai')
 
 const ruleName = 'skip-comment'
 const pluginName = '__plugin__'
@@ -44,7 +45,7 @@ describe('skip-comment', () => {
       fix: true,
     })
 
-    expect(result.errorCount).toBe(0)
+    expect(result.errorCount).equal(0)
   })
 
   it('skip test without comment', async () => {
@@ -53,17 +54,17 @@ describe('skip-comment', () => {
       fix: true,
     })
 
-    expect(result.errorCount).toBe(3)
+    expect(result.errorCount).equal(3)
 
-    expect(result.messages[0].message).toContain('it')
-    expect(result.messages[0].message).toContain('NOTE:')
-    expect(result.messages[0].message).toContain('TODO:')
-    expect(result.messages[1].message).toContain('describe')
-    expect(result.messages[1].message).toContain('NOTE:')
-    expect(result.messages[2].message).toContain('context')
-    expect(result.messages[2].message).toContain('NOTE:')
+    expect(result.messages[0].message).to.contain('it')
+    expect(result.messages[0].message).to.contain('NOTE:')
+    expect(result.messages[0].message).to.contain('TODO:')
+    expect(result.messages[1].message).to.contain('describe')
+    expect(result.messages[1].message).to.contain('NOTE:')
+    expect(result.messages[2].message).to.contain('context')
+    expect(result.messages[2].message).to.contain('NOTE:')
 
-    expect(result.output).not.toBeTruthy()
+    expect(result.output).not.not.exist
   })
 
   describe('config', () => {
@@ -80,12 +81,12 @@ describe('skip-comment', () => {
         },
       })
 
-      expect(result.errorCount).toBe(1)
+      expect(result.errorCount).equal(1)
 
-      expect(result.messages[0].message).toContain('it')
-      expect(result.messages[0].message).toContain('FOOBAR:')
+      expect(result.messages[0].message).to.contain('it')
+      expect(result.messages[0].message).to.contain('FOOBAR:')
 
-      expect(result.output).not.toBeTruthy()
+      expect(result.output).not.exist
     })
   })
 })

npm/react/.eslintrc

@@ -13,9 +13,6 @@
     "cypress/globals": true
   },
   "root": true,
-  "globals": {
-    "jest": "readonly"
-  },
   "rules": {
     "no-console": "off",
     "mocha/no-global-tests": "off",

npm/vite-dev-server/.eslintrc

@@ -15,9 +15,6 @@
   "env": {
     "cypress/globals": true
   },
-  "globals": {
-    "jest": "readonly"
-  },
   "rules": {
     "no-console": "off",
     "mocha/no-global-tests": "off",

npm/webpack-batteries-included-preprocessor/package.json

@@ -26,20 +26,11 @@
     "webpack": "^4.44.2"
   },
   "devDependencies": {
-    "@cypress/eslint-plugin-dev": "0.0.0-development",
     "@cypress/webpack-preprocessor": "0.0.0-development",
     "@types/mocha": "^8.0.2",
     "@types/webpack": "^4.41.21",
-    "@typescript-eslint/eslint-plugin": "^4.18.0",
-    "@typescript-eslint/parser": "^4.18.0",
-    "babel-eslint": "^10.1.0",
     "chai": "^4.2.0",
-    "eslint": "^7.22.0",
-    "eslint-plugin-json-format": "^2.0.1",
-    "eslint-plugin-mocha": "^8.1.0",
-    "eslint-plugin-react": "^7.22.0",
     "fs-extra": "^9.1.0",
-    "graphql": "14.0.0",
     "mocha": "^8.1.1",
     "react": "^16.13.1",
     "typescript": "^4.7.4"

npm/webpack-preprocessor/.eslintignore

@@ -5,5 +5,4 @@
 **/cypress/fixtures
 **/test/fixtures
 **/_test-output
-/cypress/tests/e2e/compile-error.js
-/examples/use-babelrc/cypress/e2e/spec.cy.js
+/cypress/tests/e2e/compile-error.js

npm/webpack-preprocessor/README.md

@@ -44,9 +44,8 @@ module.exports = (on) => {
 
 ## Examples
 
-- [React app](https://github.com/cypress-io/cypress/tree/develop/npm/webpack-preprocessor/examples/react-app) shows how to point Cypress at Webpack configuration from `react-scripts` dependency
-- [use-babelrc](https://github.com/cypress-io/cypress/tree/develop/npm/webpack-preprocessor/examples/use-babelrc) shows how to use your project's `.babelrc` with Webpack
-- [use-ts-loader](https://github.com/cypress-io/cypress/tree/develop/npm/webpack-preprocessor/examples/use-ts-loader) shows how to transpile TypeScript specs following [Webpack TypeScript guide](https://webpack.js.org/guides/typescript/)
+- [use-webpack-5](https://github.com/cypress-io/cypress/tree/develop/system-tests/projects/webpack-preprocessor-webpack-5) shows how to use webpack-preprocessor with Webpack 5
+- [use-ts-loader](https://github.com/cypress-io/cypress/tree/develop/system-tests/projects/webpack-preprocessor-ts-loader) shows how to transpile TypeScript specs following [Webpack TypeScript guide](https://webpack.js.org/guides/typescript/)
 
 ## Options