diff --git a/packages/cli-helpers/.babelrc.js b/packages/cli-helpers/.babelrc.js
deleted file mode 100644
index 3b2c815712d9..000000000000
--- a/packages/cli-helpers/.babelrc.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = { extends: '../../babel.config.js' }
diff --git a/packages/cli-helpers/__mocks__/fs.js b/packages/cli-helpers/__mocks__/fs.js
index 99fec09d82ed..de739ddd902a 100644
--- a/packages/cli-helpers/__mocks__/fs.js
+++ b/packages/cli-helpers/__mocks__/fs.js
@@ -1,220 +1,4 @@
-import path from 'path'
+import * as memfs from 'memfs'
 
-const fs = {
-  ...jest.requireActual('fs'),
-}
-
-let mockFiles = {}
-
-const pathSeparator = path.sep
-
-const getParentDir = (path) => {
-  return path.substring(0, path.lastIndexOf(pathSeparator))
-}
-
-const makeParentDirs = (path) => {
-  const parentDir = getParentDir(path)
-  if (parentDir && !(parentDir in mockFiles)) {
-    mockFiles[parentDir] = undefined
-    makeParentDirs(parentDir)
-  }
-}
-
-/**
- * This is a custom function that our tests can use during setup to specify
- * what the files on the "mock" filesystem should look like when any of the
- * `fs` APIs are used.
- *
- * Sets the state of the mocked file system
- * @param newMockFiles - {[filepath]: contents}
- */
-fs.__setMockFiles = (newMockFiles) => {
-  mockFiles = { ...newMockFiles }
-
-  // Generate all the directories which implicitly exist
-  Object.keys(mockFiles).forEach((mockPath) => {
-    if (mockPath.includes(pathSeparator)) {
-      makeParentDirs(mockPath)
-    }
-  })
-}
-
-fs.__getMockFiles = () => {
-  return mockFiles
-}
-
-fs.readFileSync = (path) => {
-  // In prisma v4.3.0, prisma format uses a Wasm module. See https://github.com/prisma/prisma/releases/tag/4.3.0.
-  // We shouldn't mock this, so we'll use the real fs.readFileSync.
-  if (path.includes('prisma_fmt_build_bg.wasm')) {
-    return jest.requireActual('fs').readFileSync(path)
-  }
-
-  if (path in mockFiles) {
-    return mockFiles[path]
-  } else {
-    const fakeError = new Error(
-      `Error: ENOENT: no such file or directory, open '${path}'`
-    )
-    fakeError.errno = -2
-    fakeError.syscall = 'open'
-    fakeError.code = 'ENOENT'
-    fakeError.path = path
-    throw fakeError
-  }
-}
-
-fs.writeFileSync = (path, contents) => {
-  const parentDir = getParentDir(path)
-  if (parentDir && !fs.existsSync(parentDir)) {
-    const fakeError = new Error(
-      `Error: ENOENT: no such file or directory, open '${path}'`
-    )
-    fakeError.errno = -2
-    fakeError.syscall = 'open'
-    fakeError.code = 'ENOENT'
-    fakeError.path = path
-    throw fakeError
-  }
-  mockFiles[path] = contents
-}
-
-fs.appendFileSync = (path, contents) => {
-  if (path in mockFiles) {
-    mockFiles[path] = mockFiles[path] + contents
-  } else {
-    fs.writeFileSync(path, contents)
-  }
-}
-
-fs.rmSync = (path, options = {}) => {
-  if (fs.existsSync(path)) {
-    if (options.recursive) {
-      Object.keys(mockFiles).forEach((mockedPath) => {
-        if (mockedPath.startsWith(path)) {
-          delete mockFiles[mockedPath]
-        }
-      })
-    } else {
-      if (mockFiles[path] === undefined) {
-        const children = fs.readdirSync(path)
-        if (children.length !== 0) {
-          const fakeError = new Error(
-            `NodeError [SystemError]: Path is a directory: rm returned EISDIR (is a directory) ${path}`
-          )
-          fakeError.errno = 21
-          fakeError.syscall = 'rm'
-          fakeError.code = 'ERR_FS_EISDIR'
-          fakeError.path = path
-          throw fakeError
-        }
-      }
-      delete mockFiles[path]
-    }
-  } else {
-    const fakeError = new Error(
-      `Error: ENOENT: no such file or directory, stat '${path}'`
-    )
-    fakeError.errno = -2
-    fakeError.syscall = 'stat'
-    fakeError.code = 'ENOENT'
-    fakeError.path = path
-    throw fakeError
-  }
-}
-
-fs.unlinkSync = (path) => {
-  if (path in mockFiles) {
-    delete mockFiles[path]
-  } else {
-    const fakeError = new Error(
-      `Error: ENOENT: no such file or directory, stat '${path}'`
-    )
-    fakeError.errno = -2
-    fakeError.syscall = 'unlink'
-    fakeError.code = 'ENOENT'
-    fakeError.path = path
-    throw fakeError
-  }
-}
-
-fs.existsSync = (path) => {
-  return path in mockFiles
-}
-
-fs.copyFileSync = (src, dist) => {
-  fs.writeFileSync(dist, fs.readFileSync(src))
-}
-
-fs.readdirSync = (path) => {
-  if (!fs.existsSync(path)) {
-    const fakeError = new Error(
-      `Error: ENOENT: no such file or directory, scandir '${path}'`
-    )
-    fakeError.errno = -2
-    fakeError.syscall = 'scandir'
-    fakeError.code = 'ENOENT'
-    fakeError.path = path
-    throw fakeError
-  }
-
-  if (mockFiles[path] !== undefined) {
-    const fakeError = new Error(
-      `Error: ENOTDIR: not a directory, scandir '${path}'`
-    )
-    fakeError.errno = -20
-    fakeError.syscall = 'scandir'
-    fakeError.code = 'ENOTDIR'
-    fakeError.path = path
-    throw fakeError
-  }
-
-  const content = []
-  Object.keys(mockFiles).forEach((mockedPath) => {
-    const childPath = mockedPath.substring(path.length + 1)
-    if (
-      mockedPath.startsWith(path) &&
-      !childPath.includes(pathSeparator) &&
-      childPath
-    ) {
-      content.push(childPath)
-    }
-  })
-  return content
-}
-
-fs.mkdirSync = (path, options = {}) => {
-  if (options.recursive) {
-    makeParentDirs(path)
-  }
-  // Directories are represented as paths with an "undefined" value
-  fs.writeFileSync(path, undefined)
-}
-
-fs.rmdirSync = (path, options = {}) => {
-  if (!fs.existsSync(path)) {
-    const fakeError = new Error(
-      `Error: ENOENT: no such file or directory, rmdir '${path}'`
-    )
-    fakeError.errno = -2
-    fakeError.syscall = 'rmdir'
-    fakeError.code = 'ENOENT'
-    fakeError.path = path
-    throw fakeError
-  }
-
-  if (mockFiles[path] !== undefined) {
-    const fakeError = new Error(
-      `Error: ENOTDIR: not a directory, rmdir '${path}'`
-    )
-    fakeError.errno = -20
-    fakeError.syscall = 'rmdir'
-    fakeError.code = 'ENOTDIR'
-    fakeError.path = path
-    throw fakeError
-  }
-
-  fs.rmSync(path, options)
-}
-
-module.exports = fs
+export * from 'memfs'
+export default memfs.fs
diff --git a/packages/cli-helpers/build.js b/packages/cli-helpers/build.js
new file mode 100644
index 000000000000..3a01088401ee
--- /dev/null
+++ b/packages/cli-helpers/build.js
@@ -0,0 +1,26 @@
+import * as esbuild from 'esbuild'
+
+const options = {
+  entryPoints: ['./src/index.ts'],
+  outdir: 'dist',
+
+  platform: 'node',
+  target: ['node20'],
+  bundle: true,
+  packages: 'external',
+
+  logLevel: 'info',
+  metafile: true,
+}
+
+await esbuild.build({
+  ...options,
+  format: 'esm',
+  outExtension: { '.js': '.mjs' },
+})
+
+await esbuild.build({
+  ...options,
+  format: 'cjs',
+  outExtension: { '.js': '.cjs' },
+})
diff --git a/packages/cli-helpers/jest.config.js b/packages/cli-helpers/jest.config.js
deleted file mode 100644
index 4b24969ced25..000000000000
--- a/packages/cli-helpers/jest.config.js
+++ /dev/null
@@ -1,4 +0,0 @@
-/** @type {import('@jest/types').Config.InitialOptions} */
-module.exports = {
-  testPathIgnorePatterns: ['fixtures', 'dist', 'mockFsFiles'],
-}
diff --git a/packages/cli-helpers/package.json b/packages/cli-helpers/package.json
index 8bdc55d1ef3e..d7678c25d735 100644
--- a/packages/cli-helpers/package.json
+++ b/packages/cli-helpers/package.json
@@ -7,30 +7,32 @@
     "directory": "packages/cli-helpers"
   },
   "license": "MIT",
-  "main": "./dist/index.js",
+  "type": "module",
+  "exports": {
+    "types": "./dist/index.d.ts",
+    "import": "./dist/index.mjs",
+    "default": "./dist/index.cjs"
+  },
   "types": "./dist/index.d.ts",
   "files": [
     "dist"
   ],
   "scripts": {
-    "build": "yarn build:js && yarn build:types",
-    "build:js": "babel src -d dist --extensions \".js,.jsx,.ts,.tsx\"",
+    "build": "yarn node ./build.js && yarn build:types",
     "build:pack": "yarn pack -o redwoodjs-cli-helpers.tgz",
     "build:types": "tsc --build --verbose",
     "build:watch": "nodemon --watch src --ext \"js,jsx,ts,tsx\" --ignore dist --exec \"yarn build\"",
     "prepublishOnly": "NODE_ENV=production yarn build",
-    "test": "jest src",
-    "test:watch": "yarn test --watch"
+    "test": "vitest run",
+    "test:watch": "vitest watch"
   },
   "dependencies": {
     "@babel/core": "^7.22.20",
-    "@babel/runtime-corejs3": "7.23.6",
     "@iarna/toml": "2.2.5",
     "@opentelemetry/api": "1.7.0",
     "@redwoodjs/project-config": "6.0.7",
     "@redwoodjs/telemetry": "6.0.7",
     "chalk": "4.1.2",
-    "core-js": "3.34.0",
     "dotenv": "16.3.1",
     "execa": "5.1.1",
     "listr2": "6.6.1",
@@ -41,12 +43,11 @@
     "terminal-link": "2.1.1"
   },
   "devDependencies": {
-    "@babel/cli": "7.23.4",
     "@types/lodash": "4.14.201",
     "@types/pascalcase": "1.0.3",
     "@types/yargs": "17.0.32",
-    "jest": "29.7.0",
-    "typescript": "5.3.3"
+    "typescript": "5.3.3",
+    "vitest": "1.2.1"
   },
   "gitHead": "3905ed045508b861b495f8d5630d76c7a157d8f1"
 }
diff --git a/packages/cli-helpers/src/auth/__tests__/__snapshots__/authTasks.test.ts.snap b/packages/cli-helpers/src/auth/__tests__/__snapshots__/authTasks.test.ts.snap
index 585825351020..abc555315d2b 100644
--- a/packages/cli-helpers/src/auth/__tests__/__snapshots__/authTasks.test.ts.snap
+++ b/packages/cli-helpers/src/auth/__tests__/__snapshots__/authTasks.test.ts.snap
@@ -1,6 +1,6 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`authTasks Components with props Should add useAuth on the same line for single line components, and separate line for multiline components 1`] = `
+exports[`authTasks > Components with props > Should add useAuth on the same line for single line components, and separate line for multiline components 1`] = `
 "import { FatalErrorBoundary, RedwoodProvider } from '@redwoodjs/web'
 import { RedwoodApolloProvider } from '@redwoodjs/web/apollo'
 
@@ -27,7 +27,7 @@ export default App
 "
 `;
 
-exports[`authTasks Components with props Should add useAuth on the same line for single line components, and separate line for multiline components 2`] = `
+exports[`authTasks > Components with props > Should add useAuth on the same line for single line components, and separate line for multiline components 2`] = `
 "// In this file, all Page components from 'src/pages\` are auto-imported. Nested
 // directories are supported, and should be uppercase. Each subdirectory will be
 // prepended onto the component name.
@@ -62,7 +62,7 @@ export default Routes
 "
 `;
 
-exports[`authTasks Components with props Should not add useAuth if one already exists 1`] = `
+exports[`authTasks > Components with props > Should not add useAuth if one already exists 1`] = `
 "import { FatalErrorBoundary, RedwoodProvider } from '@redwoodjs/web'
 import { RedwoodApolloProvider } from '@redwoodjs/web/apollo'
 
@@ -89,7 +89,7 @@ export default App
 "
 `;
 
-exports[`authTasks Components with props Should not add useAuth if one already exists 2`] = `
+exports[`authTasks > Components with props > Should not add useAuth if one already exists 2`] = `
 "// In this file, all Page components from 'src/pages\` are auto-imported. Nested
 // directories are supported, and should be uppercase. Each subdirectory will be
 // prepended onto the component name.
@@ -128,7 +128,7 @@ export default Routes
 "
 `;
 
-exports[`authTasks Customized App.js Should add auth config when using explicit return 1`] = `
+exports[`authTasks > Customized App.js > Should add auth config when using explicit return 1`] = `
 "import { useEffect } from 'react'
 import { FatalErrorBoundary, RedwoodProvider } from '@redwoodjs/web'
 import { RedwoodApolloProvider } from '@redwoodjs/web/apollo'
@@ -166,7 +166,7 @@ export default App
 "
 `;
 
-exports[`authTasks Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Auth0) 1`] = `
+exports[`authTasks > Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Auth0) 1`] = `
 "import { FatalErrorBoundary, RedwoodProvider } from '@redwoodjs/web'
 import { RedwoodApolloProvider } from '@redwoodjs/web/apollo'
 
@@ -193,7 +193,7 @@ export default App
 "
 `;
 
-exports[`authTasks Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Auth0) 2`] = `
+exports[`authTasks > Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Auth0) 2`] = `
 "import { Auth0Client } from '@auth0/auth0-spa-js'
 
 import { createAuth } from '@redwoodjs/auth-auth0-web'
@@ -221,7 +221,7 @@ export const { AuthProvider, useAuth } = createAuth(auth0)
 "
 `;
 
-exports[`authTasks Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Auth0) 3`] = `
+exports[`authTasks > Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Auth0) 3`] = `
 "// In this file, all Page components from 'src/pages\` are auto-imported. Nested
 // directories are supported, and should be uppercase. Each subdirectory will be
 // prepended onto the component name.
@@ -247,7 +247,7 @@ export default Routes
 "
 `;
 
-exports[`authTasks Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Clerk) 1`] = `
+exports[`authTasks > Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Clerk) 1`] = `
 "import { FatalErrorBoundary, RedwoodProvider } from '@redwoodjs/web'
 import { RedwoodApolloProvider } from '@redwoodjs/web/apollo'
 
@@ -274,7 +274,7 @@ export default App
 "
 `;
 
-exports[`authTasks Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Clerk) 2`] = `
+exports[`authTasks > Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Clerk) 2`] = `
 "import React, { useEffect } from 'react'
 
 import { ClerkLoaded, ClerkProvider, useUser } from '@clerk/clerk-react'
@@ -327,7 +327,7 @@ export const AuthProvider = ({ children }: Props) => {
 "
 `;
 
-exports[`authTasks Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Clerk) 3`] = `
+exports[`authTasks > Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Clerk) 3`] = `
 "// In this file, all Page components from 'src/pages\` are auto-imported. Nested
 // directories are supported, and should be uppercase. Each subdirectory will be
 // prepended onto the component name.
@@ -353,7 +353,7 @@ export default Routes
 "
 `;
 
-exports[`authTasks Should update App.tsx for legacy apps 1`] = `
+exports[`authTasks > Should update App.tsx for legacy apps 1`] = `
 "import netlifyIdentity from 'netlify-identity-widget'
 
 import { isBrowser } from '@redwoodjs/prerender/browserUtils'
@@ -385,7 +385,7 @@ export default App
 "
 `;
 
-exports[`authTasks Swapped out GraphQL client Should add auth config when app is missing RedwoodApolloProvider 1`] = `
+exports[`authTasks > Swapped out GraphQL client > Should add auth config when app is missing RedwoodApolloProvider 1`] = `
 "import { FatalErrorBoundary, RedwoodProvider } from '@redwoodjs/web'
 
 import FatalErrorPage from 'src/pages/FatalErrorPage'
@@ -415,7 +415,7 @@ export default App
 "
 `;
 
-exports[`authTasks addApiConfig Adds authDecoder arg to default graphql.ts file 1`] = `
+exports[`authTasks > addApiConfig > Adds authDecoder arg to default graphql.ts file 1`] = `
 "import { authDecoder } from 'test-auth-api'
 import { createGraphQLHandler } from '@redwoodjs/graphql-server'
 
@@ -442,7 +442,7 @@ export const handler = createGraphQLHandler({
 "
 `;
 
-exports[`authTasks addApiConfig Doesn't add authDecoder arg if one already exists 1`] = `
+exports[`authTasks > addApiConfig > Doesn't add authDecoder arg if one already exists 1`] = `
 "import { authDecoder } from 'test-auth-api'
 import { createGraphQLHandler } from '@redwoodjs/graphql-server'
 
@@ -469,7 +469,7 @@ export const handler = createGraphQLHandler({
 "
 `;
 
-exports[`authTasks addApiConfig Doesn't add authDecoder arg if one already exists, even with a non-standard import name and arg placement 1`] = `
+exports[`authTasks > addApiConfig > Doesn't add authDecoder arg if one already exists, even with a non-standard import name and arg placement 1`] = `
 "import { authDecoder } from 'test-auth-api'
 import { createGraphQLHandler } from '@redwoodjs/graphql-server'
 
@@ -496,6 +496,6 @@ export const handler = createGraphQLHandler({
 "
 `;
 
-exports[`authTasks writes an auth.js file for JS projects 1`] = `"// web auth template"`;
+exports[`authTasks > writes an auth.js file for JS projects 1`] = `"// web auth template"`;
 
-exports[`authTasks writes an auth.ts file for TS projects 1`] = `"// web auth template"`;
+exports[`authTasks > writes an auth.ts file for TS projects 1`] = `"// web auth template"`;
diff --git a/packages/cli-helpers/src/auth/__tests__/authFiles.test.ts b/packages/cli-helpers/src/auth/__tests__/authFiles.test.ts
index b7ca9a3d778e..2c4f6fe395d5 100644
--- a/packages/cli-helpers/src/auth/__tests__/authFiles.test.ts
+++ b/packages/cli-helpers/src/auth/__tests__/authFiles.test.ts
@@ -1,13 +1,14 @@
 // Have to use `var` here to avoid "Temporal Dead Zone" issues
 let mockBasePath = ''
-let mockIsTypeScriptProject = true
 globalThis.__dirname = __dirname
 
-jest.mock('../../lib/paths', () => {
+vi.mock('../../lib/paths', async (importOriginal) => {
   const path = require('path')
+  // eslint-disable-next-line @typescript-eslint/consistent-type-imports
+  const orginalPaths = await importOriginal<typeof import('../../lib/paths')>()
 
   return {
-    ...jest.requireActual('../../lib/paths'),
+    ...orginalPaths,
     getPaths: () => {
       const base = mockBasePath || '/mock/base/path'
 
@@ -22,17 +23,20 @@ jest.mock('../../lib/paths', () => {
   }
 })
 
-jest.mock('../../lib/project', () => ({
-  isTypeScriptProject: () => mockIsTypeScriptProject,
+vi.mock('../../lib/project', () => ({
+  isTypeScriptProject: vi.fn(),
 }))
 
 import path from 'path'
 
+import { vi, beforeEach, it, expect } from 'vitest'
+
 import { getPaths } from '../../lib/paths'
+import { isTypeScriptProject } from '../../lib/project'
 import { apiSideFiles, generateUniqueFileNames } from '../authFiles'
 
 beforeEach(() => {
-  mockIsTypeScriptProject = true
+  vi.mocked(isTypeScriptProject).mockReturnValue(true)
 })
 
 it('generates a record of TS files', () => {
@@ -51,7 +55,7 @@ it('generates a record of TS files', () => {
 })
 
 it('generates a record of JS files', () => {
-  mockIsTypeScriptProject = false
+  vi.mocked(isTypeScriptProject).mockReturnValue(false)
 
   const filePaths = Object.keys(
     apiSideFiles({
diff --git a/packages/cli-helpers/src/auth/__tests__/authTasks.test.ts b/packages/cli-helpers/src/auth/__tests__/authTasks.test.ts
index 70f6b77603e8..6d7f007b506b 100644
--- a/packages/cli-helpers/src/auth/__tests__/authTasks.test.ts
+++ b/packages/cli-helpers/src/auth/__tests__/authTasks.test.ts
@@ -1,72 +1,67 @@
-// Have to use `var` here to avoid "Temporal Dead Zone" issues
-// eslint-disable-next-line
-var mockIsTypeScriptProject = true
-
-jest.mock('../../lib/project', () => ({
-  isTypeScriptProject: () => mockIsTypeScriptProject,
-}))
-
-jest.mock('../../lib', () => ({
+vi.mock('../../lib', () => ({
   transformTSToJS: (_path: string, data: string) => data,
 }))
 
 // mock Telemetry for CLI commands so they don't try to spawn a process
-jest.mock('@redwoodjs/telemetry', () => {
+vi.mock('@redwoodjs/telemetry', () => {
   return {
-    errorTelemetry: () => jest.fn(),
-    timedTelemetry: () => jest.fn(),
+    errorTelemetry: () => vi.fn(),
+    timedTelemetry: () => vi.fn(),
   }
 })
 
-jest.mock('../../lib/paths', () => {
-  const path = require('path')
-  const actualPaths = jest.requireActual('../../lib/paths')
-  const basedir = '/mock/setup/path'
-  const app = mockIsTypeScriptProject ? 'App.tsx' : 'App.jsx'
-  const routes = mockIsTypeScriptProject ? 'Routes.tsx' : 'Routes.jsx'
-
+vi.mock('../../lib/paths', () => {
   return {
-    resolveFile: actualPaths.resolveFile,
-    getPaths: () => ({
-      api: {
-        functions: '',
-        src: '',
-        lib: '',
-        graphql: path.join(basedir, 'api/src/functions/graphql.ts'),
-      },
-      web: {
-        src: path.join(basedir, 'web/src'),
-        app: path.join(basedir, `web/src/${app}`),
-        routes: path.join(basedir, `web/src/${routes}`),
-      },
-      base: path.join(basedir),
-    }),
+    getPaths: vi.fn(),
   }
 })
 
-jest.mock('../../lib/project', () => {
+vi.mock('../../lib/project', async () => {
+  const { getPaths } = await import('../../lib/paths')
   return {
-    isTypeScriptProject: () => mockIsTypeScriptProject,
+    isTypeScriptProject: vi.fn(),
     getGraphqlPath: () => {
-      const { getPaths } = require('../../lib/paths')
       return getPaths().api.graphql
     },
   }
 })
 
 // This will load packages/cli-helpers/__mocks__/fs.js
-jest.mock('fs')
+vi.mock('fs')
+vi.mock('node:fs', async () => {
+  const memfs = await import('memfs')
+  return {
+    ...memfs.fs,
+    default: memfs.fs,
+  }
+})
 
-const mockFS = fs as unknown as Omit<jest.Mocked<typeof fs>, 'readdirSync'> & {
-  __setMockFiles: (files: Record<string, string>) => void
-  __getMockFiles: () => Record<string, string>
-  readdirSync: () => string[]
+const mockedPathGenerator = (app: string, routes: string) => {
+  const basedir = '/mock/setup/path'
+  return {
+    api: {
+      functions: '',
+      src: '',
+      lib: '',
+      graphql: path.join(basedir, 'api/src/functions/graphql.ts'),
+    },
+    web: {
+      src: path.join(basedir, 'web/src'),
+      app: path.join(basedir, `web/src/${app}`),
+      routes: path.join(basedir, `web/src/${routes}`),
+    },
+    base: path.join(basedir),
+  }
 }
 
 import fs from 'fs'
 import path from 'path'
 
+import { vol } from 'memfs'
+import { vi, beforeEach, describe, it, expect, test } from 'vitest'
+
 import { getPaths } from '../../lib/paths'
+import { isTypeScriptProject } from '../../lib/project'
 import type { AuthGeneratorCtx } from '../authTasks'
 import {
   addApiConfig,
@@ -98,10 +93,14 @@ function platformPath(filePath: string) {
 }
 
 beforeEach(() => {
-  mockIsTypeScriptProject = true
-  jest.restoreAllMocks()
-
-  mockFS.__setMockFiles({
+  vi.restoreAllMocks()
+  vi.mocked(isTypeScriptProject).mockReturnValue(true)
+  vi.mocked(getPaths).mockReturnValue(
+    // @ts-expect-error - We are not returning a full set of mock paths here
+    mockedPathGenerator('App.tsx', 'Routes.tsx')
+  )
+
+  vol.fromJSON({
     [path.join(
       getPaths().base,
       platformPath('/templates/web/auth.ts.template')
@@ -110,10 +109,6 @@ beforeEach(() => {
     [getPaths().api.graphql]: graphqlTs,
     [getPaths().web.routes]: routesTsx,
   })
-
-  mockFS.readdirSync = () => {
-    return ['auth.ts.template']
-  }
 })
 
 describe('authTasks', () => {
@@ -123,8 +118,8 @@ describe('authTasks', () => {
       platformPath('/templates/web/auth.ts.template')
     )
 
-    mockFS.__setMockFiles({
-      ...mockFS.__getMockFiles(),
+    vol.fromJSON({
+      ...vol.toJSON(),
       [templatePath]: auth0WebAuthTsTemplate,
     })
 
@@ -139,9 +134,9 @@ describe('authTasks', () => {
 
     const authTsPath = path.join(getPaths().web.src, 'auth.ts')
 
-    expect(fs.readFileSync(getPaths().web.app)).toMatchSnapshot()
-    expect(fs.readFileSync(authTsPath)).toMatchSnapshot()
-    expect(fs.readFileSync(getPaths().web.routes)).toMatchSnapshot()
+    expect(fs.readFileSync(getPaths().web.app, 'utf-8')).toMatchSnapshot()
+    expect(fs.readFileSync(authTsPath, 'utf-8')).toMatchSnapshot()
+    expect(fs.readFileSync(getPaths().web.routes, 'utf-8')).toMatchSnapshot()
   })
 
   it('Should update App.{jsx,tsx}, Routes.{jsx,tsx} and add auth.ts (Clerk)', () => {
@@ -150,13 +145,18 @@ describe('authTasks', () => {
       platformPath('/templates/web/auth.tsx.template')
     )
 
-    mockFS.__setMockFiles({
-      ...mockFS.__getMockFiles(),
+    // NOTE: We reset here because we had to remove the `auth.ts.template`
+    // file that would be here as a result of the `beforeEach` above.
+    // The previous implementation of this test was mocking the `fs` module to
+    // return only `auth.tsx.template` and not the `auth.ts.template` file even
+    // though it was on the mock filesystem.
+    vol.reset()
+    vol.fromJSON({
+      [getPaths().web.app]: webAppTsx,
+      [getPaths().api.graphql]: graphqlTs,
+      [getPaths().web.routes]: routesTsx,
       [templatePath]: clerkWebAuthTsTemplate,
     })
-    mockFS.readdirSync = () => {
-      return ['auth.tsx.template']
-    }
 
     const ctx: AuthGeneratorCtx = {
       provider: 'clerk',
@@ -169,14 +169,14 @@ describe('authTasks', () => {
 
     const authTsPath = path.join(getPaths().web.src, 'auth.tsx')
 
-    expect(fs.readFileSync(getPaths().web.app)).toMatchSnapshot()
-    expect(fs.readFileSync(authTsPath)).toMatchSnapshot()
-    expect(fs.readFileSync(getPaths().web.routes)).toMatchSnapshot()
+    expect(fs.readFileSync(getPaths().web.app, 'utf-8')).toMatchSnapshot()
+    expect(fs.readFileSync(authTsPath, 'utf-8')).toMatchSnapshot()
+    expect(fs.readFileSync(getPaths().web.routes, 'utf-8')).toMatchSnapshot()
   })
 
   it('Should update App.tsx for legacy apps', () => {
-    mockFS.__setMockFiles({
-      ...mockFS.__getMockFiles(),
+    vol.fromJSON({
+      ...vol.toJSON(),
       [getPaths().web.app]: legacyAuthWebAppTsx,
     })
 
@@ -187,13 +187,13 @@ describe('authTasks', () => {
 
     addConfigToWebApp().task(ctx, {} as any)
 
-    expect(fs.readFileSync(getPaths().web.app)).toMatchSnapshot()
+    expect(fs.readFileSync(getPaths().web.app, 'utf-8')).toMatchSnapshot()
   })
 
   describe('Components with props', () => {
     it('Should add useAuth on the same line for single line components, and separate line for multiline components', () => {
-      mockFS.__setMockFiles({
-        ...mockFS.__getMockFiles(),
+      vol.fromJSON({
+        ...vol.toJSON(),
         [getPaths().web.app]: customApolloAppTsx,
         [getPaths().web.routes]: customPropsRoutesTsx,
       })
@@ -206,13 +206,13 @@ describe('authTasks', () => {
       addConfigToWebApp().task(ctx, {} as any)
       addConfigToRoutes().task()
 
-      expect(fs.readFileSync(getPaths().web.app)).toMatchSnapshot()
-      expect(fs.readFileSync(getPaths().web.routes)).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().web.app, 'utf-8')).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().web.routes, 'utf-8')).toMatchSnapshot()
     })
 
     it('Should not add useAuth if one already exists', () => {
-      mockFS.__setMockFiles({
-        ...mockFS.__getMockFiles(),
+      vol.fromJSON({
+        ...vol.toJSON(),
         [getPaths().web.app]: customApolloAppTsx,
         [getPaths().web.routes]: useAuthRoutesTsx,
       })
@@ -225,15 +225,15 @@ describe('authTasks', () => {
       addConfigToWebApp().task(ctx, {} as any)
       addConfigToRoutes().task()
 
-      expect(fs.readFileSync(getPaths().web.app)).toMatchSnapshot()
-      expect(fs.readFileSync(getPaths().web.routes)).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().web.app, 'utf-8')).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().web.routes, 'utf-8')).toMatchSnapshot()
     })
   })
 
   describe('Customized App.js', () => {
     it('Should add auth config when using explicit return', () => {
-      mockFS.__setMockFiles({
-        ...mockFS.__getMockFiles(),
+      vol.fromJSON({
+        ...vol.toJSON(),
         [getPaths().web.app]: explicitReturnAppTsx,
       })
 
@@ -244,14 +244,14 @@ describe('authTasks', () => {
 
       addConfigToWebApp().task(ctx, {} as any)
 
-      expect(fs.readFileSync(getPaths().web.app)).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().web.app, 'utf-8')).toMatchSnapshot()
     })
   })
 
   describe('Swapped out GraphQL client', () => {
     it('Should add auth config when app is missing RedwoodApolloProvider', () => {
-      mockFS.__setMockFiles({
-        ...mockFS.__getMockFiles(),
+      vol.fromJSON({
+        ...vol.toJSON(),
         [getPaths().web.app]: withoutRedwoodApolloAppTsx,
       })
 
@@ -264,7 +264,7 @@ describe('authTasks', () => {
       addConfigToWebApp().task(ctx, task)
 
       expect(task.output).toMatch(/GraphQL.*useAuth/)
-      expect(fs.readFileSync(getPaths().web.app)).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().web.app, 'utf-8')).toMatchSnapshot()
     })
   })
 
@@ -275,12 +275,12 @@ describe('authTasks', () => {
         authDecoderImport: "import { authDecoder } from 'test-auth-api'",
       })
 
-      expect(fs.readFileSync(getPaths().api.graphql)).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().api.graphql, 'utf-8')).toMatchSnapshot()
     })
 
     it("Doesn't add authDecoder arg if one already exists", () => {
-      mockFS.__setMockFiles({
-        ...mockFS.__getMockFiles(),
+      vol.fromJSON({
+        ...vol.toJSON(),
         [getPaths().api.graphql]: withAuthDecoderGraphqlTs,
       })
 
@@ -289,12 +289,12 @@ describe('authTasks', () => {
         authDecoderImport: "import { authDecoder } from 'test-auth-api'",
       })
 
-      expect(fs.readFileSync(getPaths().api.graphql)).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().api.graphql, 'utf-8')).toMatchSnapshot()
     })
 
     it("Doesn't add authDecoder arg if one already exists, even with a non-standard import name and arg placement", () => {
-      mockFS.__setMockFiles({
-        ...mockFS.__getMockFiles(),
+      vol.fromJSON({
+        ...vol.toJSON(),
         [getPaths().api.graphql]: nonStandardAuthDecoderGraphqlTs,
       })
 
@@ -303,7 +303,7 @@ describe('authTasks', () => {
         authDecoderImport: "import { authDecoder } from 'test-auth-api'",
       })
 
-      expect(fs.readFileSync(getPaths().api.graphql)).toMatchSnapshot()
+      expect(fs.readFileSync(getPaths().api.graphql, 'utf-8')).toMatchSnapshot()
     })
   })
 
@@ -632,18 +632,23 @@ describe('authTasks', () => {
       provider: 'auth0',
       setupMode: 'FORCE',
     }
+
+    // NOTE: The current fs related mocking leaves this file around from previous tests so we
+    // must delete it here. This should be fixed in a future refactoring of the entire test suite
+    fs.rmSync(path.join(getPaths().base, 'templates/web/auth.tsx.template'))
+
     createWebAuth(getPaths().base, false).task(ctx)
 
     expect(
-      fs.readFileSync(path.join(getPaths().web.src, 'auth.ts'))
+      fs.readFileSync(path.join(getPaths().web.src, 'auth.ts'), 'utf-8')
     ).toMatchSnapshot()
   })
 
   it('writes an auth.js file for JS projects', () => {
-    mockIsTypeScriptProject = false
+    vi.mocked(isTypeScriptProject).mockReturnValue(false)
 
-    mockFS.__setMockFiles({
-      ...mockFS.__getMockFiles(),
+    vol.fromJSON({
+      ...vol.toJSON(),
       [getPaths().web.app]: webAppTsx,
     })
 
@@ -654,7 +659,7 @@ describe('authTasks', () => {
     createWebAuth(getPaths().base, false).task(ctx)
 
     expect(
-      fs.readFileSync(path.join(getPaths().web.src, 'auth.js'))
+      fs.readFileSync(path.join(getPaths().web.src, 'auth.js'), 'utf-8')
     ).toMatchSnapshot()
   })
 })
diff --git a/packages/cli-helpers/src/auth/__tests__/setupHelpers.test.ts b/packages/cli-helpers/src/auth/__tests__/setupHelpers.test.ts
index eba30cdb464a..b549baf7a916 100644
--- a/packages/cli-helpers/src/auth/__tests__/setupHelpers.test.ts
+++ b/packages/cli-helpers/src/auth/__tests__/setupHelpers.test.ts
@@ -1,14 +1,14 @@
 globalThis.__dirname = __dirname
 
 // mock Telemetry for CLI commands so they don't try to spawn a process
-jest.mock('@redwoodjs/telemetry', () => {
+vi.mock('@redwoodjs/telemetry', () => {
   return {
-    errorTelemetry: () => jest.fn(),
-    timedTelemetry: () => jest.fn(),
+    errorTelemetry: () => vi.fn(),
+    timedTelemetry: () => vi.fn(),
   }
 })
 
-jest.mock('../../lib/paths', () => {
+vi.mock('../../lib/paths', () => {
   const path = require('path')
   const __dirname = path.resolve()
 
@@ -28,42 +28,45 @@ jest.mock('../../lib/paths', () => {
   }
 })
 
-jest.mock('../../lib/project', () => ({
+vi.mock('../../lib/project', () => ({
   isTypeScriptProject: () => true,
 }))
 
-jest.mock('execa', () => {})
-jest.mock('listr2')
-jest.mock('prompts', () => jest.fn(() => ({ answer: true })))
+vi.mock('execa')
+vi.mock('listr2')
+vi.mock('prompts', () => ({
+  default: vi.fn(() => ({ answer: true })),
+}))
 
 import fs from 'fs'
 import path from 'path'
 
 import { Listr } from 'listr2'
 import prompts from 'prompts'
+import { vi, describe, afterEach, it, expect } from 'vitest'
 
 // import * as auth from '../auth'
 import { standardAuthHandler } from '../setupHelpers'
 
 describe('Auth generator tests', () => {
-  const processExitSpy = jest
+  const processExitSpy = vi
     .spyOn<NodeJS.Process, any>(process, 'exit')
     .mockImplementation((_code: any) => {})
 
-  const mockListrRun = jest.fn()
+  const mockListrRun = vi.fn()
 
-  ;(Listr as jest.MockedFunction<jest.Mock>).mockImplementation(() => {
+  ;(Listr as vi.MockedFunction<vi.Mock>).mockImplementation(() => {
     return {
       run: mockListrRun,
     }
   })
 
-  const fsSpy = jest.spyOn(fs, 'writeFileSync').mockImplementation(() => {})
+  const fsSpy = vi.spyOn(fs, 'writeFileSync').mockImplementation(() => {})
 
   afterEach(() => {
     processExitSpy.mockReset()
     fsSpy.mockReset()
-    ;(prompts as unknown as jest.Mock).mockClear()
+    ;(prompts as unknown as vi.Mock).mockClear()
     mockListrRun.mockClear()
   })
 
diff --git a/packages/cli-helpers/src/auth/authFiles.ts b/packages/cli-helpers/src/auth/authFiles.ts
index 85bd5f812075..c64f48f8141a 100644
--- a/packages/cli-helpers/src/auth/authFiles.ts
+++ b/packages/cli-helpers/src/auth/authFiles.ts
@@ -3,9 +3,9 @@ import path from 'path'
 
 import pascalcase from 'pascalcase'
 
-import { transformTSToJS } from '../lib'
-import { getPaths } from '../lib/paths'
-import { isTypeScriptProject } from '../lib/project'
+import { transformTSToJS } from '../lib/index.js'
+import { getPaths } from '../lib/paths.js'
+import { isTypeScriptProject } from '../lib/project.js'
 
 interface FilesArgs {
   basedir: string
diff --git a/packages/cli-helpers/src/auth/authTasks.ts b/packages/cli-helpers/src/auth/authTasks.ts
index 69d19239cb73..c4d515c7e6d2 100644
--- a/packages/cli-helpers/src/auth/authTasks.ts
+++ b/packages/cli-helpers/src/auth/authTasks.ts
@@ -5,17 +5,17 @@ import type { ListrRenderer, ListrTask, ListrTaskWrapper } from 'listr2'
 
 import { resolveFile } from '@redwoodjs/project-config'
 
-import type { ExistingFiles } from '../lib'
-import { transformTSToJS, writeFilesTask } from '../lib'
-import { colors } from '../lib/colors'
-import { getPaths } from '../lib/paths'
+import { colors } from '../lib/colors.js'
+import type { ExistingFiles } from '../lib/index.js'
+import { transformTSToJS, writeFilesTask } from '../lib/index.js'
+import { getPaths } from '../lib/paths.js'
 import {
   getGraphqlPath,
   graphFunctionDoesExist,
   isTypeScriptProject,
-} from '../lib/project'
+} from '../lib/project.js'
 
-import { apiSideFiles, generateUniqueFileNames } from './authFiles'
+import { apiSideFiles, generateUniqueFileNames } from './authFiles.js'
 
 const AUTH_PROVIDER_HOOK_IMPORT = `import { AuthProvider, useAuth } from './auth'`
 const AUTH_HOOK_IMPORT = `import { useAuth } from './auth'`
diff --git a/packages/cli-helpers/src/auth/setupHelpers.ts b/packages/cli-helpers/src/auth/setupHelpers.ts
index 5c572a7c6427..0daaeae51e3a 100644
--- a/packages/cli-helpers/src/auth/setupHelpers.ts
+++ b/packages/cli-helpers/src/auth/setupHelpers.ts
@@ -1,18 +1,18 @@
 import type { ListrTask } from 'listr2'
 import { Listr } from 'listr2'
 import terminalLink from 'terminal-link'
-import type yargs from 'yargs'
+import type { Argv } from 'yargs'
 
 import { errorTelemetry } from '@redwoodjs/telemetry'
 
-import { colors } from '../lib/colors'
+import { colors } from '../lib/colors.js'
 import {
   addApiPackages,
   addWebPackages,
   installPackages,
-} from '../lib/installHelpers'
+} from '../lib/installHelpers.js'
 
-import type { AuthGeneratorCtx } from './authTasks'
+import type { AuthGeneratorCtx } from './authTasks.js'
 import {
   addAuthConfigToGqlApi,
   addConfigToRoutes,
@@ -20,9 +20,9 @@ import {
   setAuthSetupMode,
   createWebAuth,
   generateAuthApiFiles,
-} from './authTasks'
+} from './authTasks.js'
 
-export const standardAuthBuilder = (yargs: yargs.Argv) => {
+export const standardAuthBuilder = (yargs: Argv) => {
   return yargs
     .option('force', {
       alias: 'f',
diff --git a/packages/cli-helpers/src/index.ts b/packages/cli-helpers/src/index.ts
index 04e8c7a96987..35f5d335f459 100644
--- a/packages/cli-helpers/src/index.ts
+++ b/packages/cli-helpers/src/index.ts
@@ -1,13 +1,13 @@
 // @WARN: This export is going to cause memory problems in the CLI.
 // We need to split this into smaller packages, or use export aliasing (like in packages/testing/cache)
 
-export * from './lib'
-export * from './lib/colors'
-export * from './lib/paths'
-export * from './lib/project'
-export * from './lib/version'
-export * from './auth/setupHelpers'
+export * from './lib/index.js'
+export * from './lib/colors.js'
+export * from './lib/paths.js'
+export * from './lib/project.js'
+export * from './lib/version.js'
+export * from './auth/setupHelpers.js'
 
-export * from './lib/installHelpers'
+export * from './lib/installHelpers.js'
 
-export * from './telemetry/index'
+export * from './telemetry/index.js'
diff --git a/packages/cli-helpers/src/lib/__tests__/__snapshots__/index.test.ts.snap b/packages/cli-helpers/src/lib/__tests__/__snapshots__/index.test.ts.snap
index 1b01f64e6fa0..63ae56f46b8b 100644
--- a/packages/cli-helpers/src/lib/__tests__/__snapshots__/index.test.ts.snap
+++ b/packages/cli-helpers/src/lib/__tests__/__snapshots__/index.test.ts.snap
@@ -1,4 +1,4 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
 exports[`prettify formats tsx content 1`] = `
 "import React from 'react'
diff --git a/packages/cli-helpers/src/lib/__tests__/__snapshots__/project.test.ts.snap b/packages/cli-helpers/src/lib/__tests__/__snapshots__/project.test.ts.snap
index 6da535eaf61e..c3d1be489a33 100644
--- a/packages/cli-helpers/src/lib/__tests__/__snapshots__/project.test.ts.snap
+++ b/packages/cli-helpers/src/lib/__tests__/__snapshots__/project.test.ts.snap
@@ -1,6 +1,6 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`addEnvVar addEnvVar adds environment variables as part of a setup task should add a comment that the existing environment variable value was not changed, but include its new value as a comment 1`] = `
+exports[`addEnvVar > addEnvVar adds environment variables as part of a setup task > should add a comment that the existing environment variable value was not changed, but include its new value as a comment 1`] = `
 "EXISTING_VAR=value
 # CommentedVar=123
 
@@ -10,7 +10,7 @@ exports[`addEnvVar addEnvVar adds environment variables as part of a setup task
 "
 `;
 
-exports[`addEnvVar addEnvVar adds environment variables as part of a setup task should add a new environment variable when it does not exist 1`] = `
+exports[`addEnvVar > addEnvVar adds environment variables as part of a setup task > should add a new environment variable when it does not exist 1`] = `
 "EXISTING_VAR = value
 # CommentedVar = 123
 
@@ -19,7 +19,7 @@ NEW_VAR = new_value
 "
 `;
 
-exports[`addEnvVar addEnvVar adds environment variables as part of a setup task should add a new environment variable when it does not exist when existing envars have no spacing 1`] = `
+exports[`addEnvVar > addEnvVar adds environment variables as part of a setup task > should add a new environment variable when it does not exist when existing envars have no spacing 1`] = `
 "EXISTING_VAR=value
 # CommentedVar = 123
 
@@ -28,7 +28,7 @@ NEW_VAR = new_value
 "
 `;
 
-exports[`addEnvVar addEnvVar adds environment variables as part of a setup task should handle existing environment variables and new value with quoted values by not updating the original value 1`] = `
+exports[`addEnvVar > addEnvVar adds environment variables as part of a setup task > should handle existing environment variables and new value with quoted values by not updating the original value 1`] = `
 "EXISTING_VAR = "value"
 # CommentedVar = 123
 
@@ -38,19 +38,19 @@ exports[`addEnvVar addEnvVar adds environment variables as part of a setup task
 "
 `;
 
-exports[`addEnvVar addEnvVar adds environment variables as part of a setup task should handle existing environment variables with quoted values 1`] = `
+exports[`addEnvVar > addEnvVar adds environment variables as part of a setup task > should handle existing environment variables with quoted values 1`] = `
 "EXISTING_VAR = "value"
 # CommentedVar = 123
 "
 `;
 
-exports[`addEnvVar addEnvVar adds environment variables as part of a setup task should handle existing environment variables with quoted values and no spacing 1`] = `
+exports[`addEnvVar > addEnvVar adds environment variables as part of a setup task > should handle existing environment variables with quoted values and no spacing 1`] = `
 "EXISTING_VAR="value"
 # CommentedVar=123
 "
 `;
 
-exports[`updateTomlConfig updateTomlConfig configures a new CLI plugin adds package but keeps autoInstall false 1`] = `
+exports[`updateTomlConfig > updateTomlConfig configures a new CLI plugin > adds package but keeps autoInstall false 1`] = `
 "[web]
 title = "Redwood App"
 port = 8_910
@@ -69,7 +69,7 @@ enabled = true
 "
 `;
 
-exports[`updateTomlConfig updateTomlConfig configures a new CLI plugin adds when experimental cli has some plugins configured 1`] = `
+exports[`updateTomlConfig > updateTomlConfig configures a new CLI plugin > adds when experimental cli has some plugins configured 1`] = `
 "[web]
 title = "Redwood App"
 port = 8_910
@@ -91,7 +91,7 @@ enabled = true
 "
 `;
 
-exports[`updateTomlConfig updateTomlConfig configures a new CLI plugin adds when experimental cli is not configured 1`] = `
+exports[`updateTomlConfig > updateTomlConfig configures a new CLI plugin > adds when experimental cli is not configured 1`] = `
 "[web]
 title = "Redwood App"
 port = 8_910
@@ -110,7 +110,7 @@ autoInstall = true
 "
 `;
 
-exports[`updateTomlConfig updateTomlConfig configures a new CLI plugin adds when experimental cli is setup but has no plugins configured 1`] = `
+exports[`updateTomlConfig > updateTomlConfig configures a new CLI plugin > adds when experimental cli is setup but has no plugins configured 1`] = `
 "[web]
 title = "Redwood App"
 port = 8_910
@@ -129,7 +129,7 @@ enabled = true
 "
 `;
 
-exports[`updateTomlConfig updateTomlConfig configures a new CLI plugin does not add duplicate place when experimental cli has that plugin configured 1`] = `
+exports[`updateTomlConfig > updateTomlConfig configures a new CLI plugin > does not add duplicate place when experimental cli has that plugin configured 1`] = `
 "[web]
 title = "Redwood App"
 port = 8_910
diff --git a/packages/cli-helpers/src/lib/__tests__/index.test.ts b/packages/cli-helpers/src/lib/__tests__/index.test.ts
index 3fae865c059f..3c9c608c1734 100644
--- a/packages/cli-helpers/src/lib/__tests__/index.test.ts
+++ b/packages/cli-helpers/src/lib/__tests__/index.test.ts
@@ -1,6 +1,8 @@
+import { vi, test, expect } from 'vitest'
+
 import { prettify } from '../index'
 
-jest.mock('../paths', () => {
+vi.mock('../paths', () => {
   return {
     getPaths: () => {
       return {
diff --git a/packages/cli-helpers/src/lib/__tests__/project.addTomlSetting.test.ts b/packages/cli-helpers/src/lib/__tests__/project.addTomlSetting.test.ts
index a6ed682047e3..c46185cf261f 100644
--- a/packages/cli-helpers/src/lib/__tests__/project.addTomlSetting.test.ts
+++ b/packages/cli-helpers/src/lib/__tests__/project.addTomlSetting.test.ts
@@ -1,7 +1,14 @@
-jest.mock('fs', () => require('memfs').fs)
-jest.mock('node:fs', () => require('memfs').fs)
+vi.mock('fs')
+vi.mock('node:fs', async () => {
+  const memfs = await import('memfs')
+  return {
+    ...memfs.fs,
+    default: memfs.fs,
+  }
+})
 
 import { vol } from 'memfs'
+import { vi, beforeAll, afterAll, it, expect } from 'vitest'
 
 import { setTomlSetting } from '../project'
 
@@ -16,8 +23,8 @@ beforeAll(() => {
 
 afterAll(() => {
   process.env.RWJS_CWD = original_RWJS_CWD
-  jest.restoreAllMocks()
-  jest.resetModules()
+  vi.restoreAllMocks()
+  vi.resetModules()
 })
 
 it('should add `fragments = true` to empty redwood.toml', () => {
diff --git a/packages/cli-helpers/src/lib/__tests__/project.test.ts b/packages/cli-helpers/src/lib/__tests__/project.test.ts
index a8aa58145848..f5e45301e0ef 100644
--- a/packages/cli-helpers/src/lib/__tests__/project.test.ts
+++ b/packages/cli-helpers/src/lib/__tests__/project.test.ts
@@ -1,9 +1,16 @@
-jest.mock('fs')
-jest.mock('node:fs')
+vi.mock('fs')
+vi.mock('node:fs', async () => {
+  const memfs = await import('memfs')
+  return {
+    ...memfs.fs,
+    default: memfs.fs,
+  }
+})
 
 import * as fs from 'node:fs'
 
 import * as toml from '@iarna/toml'
+import { vi, describe, beforeEach, afterEach, it, expect } from 'vitest'
 
 import { updateTomlConfig, addEnvVar } from '../project'
 
@@ -23,7 +30,7 @@ const getRedwoodToml = () => {
   return defaultRedwoodToml
 }
 
-jest.mock('@redwoodjs/project-config', () => {
+vi.mock('@redwoodjs/project-config', () => {
   return {
     getPaths: () => {
       return {
@@ -47,22 +54,22 @@ describe('addEnvVar', () => {
 
   describe('addEnvVar adds environment variables as part of a setup task', () => {
     beforeEach(() => {
-      jest.spyOn(fs, 'existsSync').mockImplementation(() => {
+      vi.spyOn(fs, 'existsSync').mockImplementation(() => {
         return true
       })
 
-      jest.spyOn(fs, 'readFileSync').mockImplementation(() => {
+      vi.spyOn(fs, 'readFileSync').mockImplementation(() => {
         return envFileContent
       })
 
-      jest.spyOn(fs, 'writeFileSync').mockImplementation((envPath, envFile) => {
+      vi.spyOn(fs, 'writeFileSync').mockImplementation((envPath, envFile) => {
         expect(envPath).toContain('.env')
         return envFile
       })
     })
 
     afterEach(() => {
-      jest.restoreAllMocks()
+      vi.restoreAllMocks()
       envFileContent = ''
     })
 
@@ -121,24 +128,22 @@ describe('addEnvVar', () => {
 describe('updateTomlConfig', () => {
   describe('updateTomlConfig configures a new CLI plugin', () => {
     beforeEach(() => {
-      jest.spyOn(fs, 'existsSync').mockImplementation(() => {
+      vi.spyOn(fs, 'existsSync').mockImplementation(() => {
         return true
       })
 
-      jest.spyOn(fs, 'readFileSync').mockImplementation(() => {
+      vi.spyOn(fs, 'readFileSync').mockImplementation(() => {
         return toml.stringify(defaultRedwoodToml)
       })
 
-      jest
-        .spyOn(fs, 'writeFileSync')
-        .mockImplementation((tomlPath, tomlFile) => {
-          expect(tomlPath).toContain('redwood.toml')
-          return tomlFile
-        })
+      vi.spyOn(fs, 'writeFileSync').mockImplementation((tomlPath, tomlFile) => {
+        expect(tomlPath).toContain('redwood.toml')
+        return tomlFile
+      })
     })
 
     afterEach(() => {
-      jest.restoreAllMocks()
+      vi.restoreAllMocks()
     })
 
     it('adds when experimental cli is not configured', () => {
diff --git a/packages/cli-helpers/src/lib/__tests__/version.test.ts b/packages/cli-helpers/src/lib/__tests__/version.test.ts
index cbcd8bb43e68..057e2463ccf8 100644
--- a/packages/cli-helpers/src/lib/__tests__/version.test.ts
+++ b/packages/cli-helpers/src/lib/__tests__/version.test.ts
@@ -1,4 +1,4 @@
-jest.mock('@redwoodjs/project-config', () => {
+vi.mock('@redwoodjs/project-config', () => {
   return {
     getPaths: () => {
       return {
@@ -7,10 +7,12 @@ jest.mock('@redwoodjs/project-config', () => {
     },
   }
 })
-jest.mock('fs')
+vi.mock('fs')
 
 import fs from 'fs'
 
+import { vi, describe, test, expect, beforeEach } from 'vitest'
+
 import { getCompatibilityData } from '../version'
 
 const EXAMPLE_PACKUMENT = {
@@ -187,7 +189,7 @@ const EXAMPLE_PACKUMENT = {
 
 describe('version compatibility detection', () => {
   beforeEach(() => {
-    jest.spyOn(global, 'fetch').mockImplementation(() => {
+    vi.spyOn(global, 'fetch').mockImplementation(() => {
       return {
         json: () => {
           return EXAMPLE_PACKUMENT
@@ -195,7 +197,7 @@ describe('version compatibility detection', () => {
       } as any
     })
 
-    jest.spyOn(fs, 'readFileSync').mockImplementation(() => {
+    vi.spyOn(fs, 'readFileSync').mockImplementation(() => {
       return JSON.stringify({
         devDependencies: {
           '@redwoodjs/core': '^6.0.0',
@@ -206,15 +208,17 @@ describe('version compatibility detection', () => {
 
   test('throws for some fetch related error', async () => {
     // Mock the fetch function to throw an error
-    jest.spyOn(global, 'fetch').mockImplementation(() => {
+    vi.spyOn(global, 'fetch').mockImplementation(() => {
       throw new Error('Some fetch related error')
     })
     await expect(
       getCompatibilityData('some-package', 'latest')
-    ).rejects.toThrowErrorMatchingInlineSnapshot(`"Some fetch related error"`)
+    ).rejects.toThrowErrorMatchingInlineSnapshot(
+      `[Error: Some fetch related error]`
+    )
 
     // Mock the json parsing to throw an error
-    jest.spyOn(global, 'fetch').mockImplementation(() => {
+    vi.spyOn(global, 'fetch').mockImplementation(() => {
       return {
         json: () => {
           throw new Error('Some json parsing error')
@@ -224,11 +228,13 @@ describe('version compatibility detection', () => {
 
     await expect(
       getCompatibilityData('some-package', 'latest')
-    ).rejects.toThrowErrorMatchingInlineSnapshot(`"Some json parsing error"`)
+    ).rejects.toThrowErrorMatchingInlineSnapshot(
+      `[Error: Some json parsing error]`
+    )
   })
 
   test('throws for some packument related error', async () => {
-    jest.spyOn(global, 'fetch').mockImplementation(() => {
+    vi.spyOn(global, 'fetch').mockImplementation(() => {
       return {
         json: () => {
           return {
@@ -241,7 +247,7 @@ describe('version compatibility detection', () => {
     await expect(
       getCompatibilityData('some-package', 'latest')
     ).rejects.toThrowErrorMatchingInlineSnapshot(
-      `"Some packument related error"`
+      `[Error: Some packument related error]`
     )
   })
 
@@ -249,7 +255,7 @@ describe('version compatibility detection', () => {
     await expect(
       getCompatibilityData('@scope/package-name', '0.0.4')
     ).rejects.toThrowErrorMatchingInlineSnapshot(
-      `"The package '@scope/package-name' does not have a version '0.0.4'"`
+      `[Error: The package '@scope/package-name' does not have a version '0.0.4']`
     )
   })
 
@@ -257,12 +263,12 @@ describe('version compatibility detection', () => {
     await expect(
       getCompatibilityData('@scope/package-name', 'next')
     ).rejects.toThrowErrorMatchingInlineSnapshot(
-      `"The package '@scope/package-name' does not have a tag 'next'"`
+      `[Error: The package '@scope/package-name' does not have a tag 'next']`
     )
   })
 
   test('throws if no latest version could be found', async () => {
-    jest.spyOn(global, 'fetch').mockImplementation(() => {
+    vi.spyOn(global, 'fetch').mockImplementation(() => {
       return {
         json: () => {
           return {
@@ -276,7 +282,7 @@ describe('version compatibility detection', () => {
     await expect(
       getCompatibilityData('@scope/package-name', 'latest')
     ).rejects.toThrowErrorMatchingInlineSnapshot(
-      `"The package '@scope/package-name' does not have a tag 'latest'"`
+      `[Error: The package '@scope/package-name' does not have a tag 'latest']`
     )
   })
 
@@ -320,7 +326,7 @@ describe('version compatibility detection', () => {
       }
     )
 
-    jest.spyOn(fs, 'readFileSync').mockImplementation(() => {
+    vi.spyOn(fs, 'readFileSync').mockImplementation(() => {
       return JSON.stringify({
         devDependencies: {
           '@redwoodjs/core': '5.2.0',
@@ -343,7 +349,7 @@ describe('version compatibility detection', () => {
   })
 
   test('throws if no compatible version could be found', async () => {
-    jest.spyOn(fs, 'readFileSync').mockImplementation(() => {
+    vi.spyOn(fs, 'readFileSync').mockImplementation(() => {
       return JSON.stringify({
         devDependencies: {
           '@redwoodjs/core': '7.0.0',
@@ -354,7 +360,7 @@ describe('version compatibility detection', () => {
     expect(
       getCompatibilityData('@scope/package-name', 'latest')
     ).rejects.toThrowErrorMatchingInlineSnapshot(
-      `"No compatible version of '@scope/package-name' was found"`
+      `[Error: No compatible version of '@scope/package-name' was found]`
     )
   })
 })
diff --git a/packages/cli-helpers/src/lib/index.ts b/packages/cli-helpers/src/lib/index.ts
index 1b294a27f9e5..1bc77ed61bea 100644
--- a/packages/cli-helpers/src/lib/index.ts
+++ b/packages/cli-helpers/src/lib/index.ts
@@ -10,8 +10,8 @@ import type {
 import { Listr } from 'listr2'
 import { format } from 'prettier'
 
-import { colors } from './colors'
-import { getPaths } from './paths'
+import { colors } from './colors.js'
+import { getPaths } from './paths.js'
 
 // TODO: Move this into `generateTemplate` when all templates have TS support
 /*
diff --git a/packages/cli-helpers/src/lib/installHelpers.ts b/packages/cli-helpers/src/lib/installHelpers.ts
index c8016953dee1..f70ae4e4c36f 100644
--- a/packages/cli-helpers/src/lib/installHelpers.ts
+++ b/packages/cli-helpers/src/lib/installHelpers.ts
@@ -1,6 +1,6 @@
 import execa from 'execa'
 
-import { getPaths } from './paths'
+import { getPaths } from './paths.js'
 
 export const addWebPackages = (webPackages: string[]) => ({
   title: 'Adding required web packages...',
diff --git a/packages/cli-helpers/src/lib/paths.ts b/packages/cli-helpers/src/lib/paths.ts
index 1f026d6ebc5c..7ad0f79cf755 100644
--- a/packages/cli-helpers/src/lib/paths.ts
+++ b/packages/cli-helpers/src/lib/paths.ts
@@ -1,6 +1,6 @@
 import { getPaths as _getPaths } from '@redwoodjs/project-config'
 
-import { colors } from './colors'
+import { colors } from './colors.js'
 
 function isErrorWithMessage(e: any): e is { message: string } {
   return !!e.message
diff --git a/packages/cli-helpers/src/lib/project.ts b/packages/cli-helpers/src/lib/project.ts
index f1cd4d2b7225..8c79ffff5d29 100644
--- a/packages/cli-helpers/src/lib/project.ts
+++ b/packages/cli-helpers/src/lib/project.ts
@@ -13,8 +13,8 @@ import {
   resolveFile,
 } from '@redwoodjs/project-config'
 
-import { colors } from './colors'
-import { getPaths } from './paths'
+import { colors } from './colors.js'
+import { getPaths } from './paths.js'
 
 export const getGraphqlPath = () => {
   return resolveFile(path.join(getPaths().api.functions, 'graphql'))
diff --git a/packages/cli-helpers/tsconfig.json b/packages/cli-helpers/tsconfig.json
index 5e7f7fd919f2..e0e245aba844 100644
--- a/packages/cli-helpers/tsconfig.json
+++ b/packages/cli-helpers/tsconfig.json
@@ -1,7 +1,8 @@
 {
   "extends": "../../tsconfig.compilerOption.json",
   "compilerOptions": {
-    "strict": true,
+    "moduleResolution": "NodeNext",
+    "module": "NodeNext",
     "baseUrl": ".",
     "rootDir": "src",
     "outDir": "dist"
diff --git a/packages/cli-helpers/vitest.config.mts b/packages/cli-helpers/vitest.config.mts
new file mode 100644
index 000000000000..55b4842e1875
--- /dev/null
+++ b/packages/cli-helpers/vitest.config.mts
@@ -0,0 +1,7 @@
+import { defineConfig, configDefaults } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    exclude: [...configDefaults.exclude, '**/fixtures', '**/mockFsFiles'],
+  },
+})
diff --git a/packages/project-config/tsconfig.json b/packages/project-config/tsconfig.json
index 78a31c197ddd..23e3bf19df5b 100644
--- a/packages/project-config/tsconfig.json
+++ b/packages/project-config/tsconfig.json
@@ -7,5 +7,5 @@
     "rootDir": "src",
     "outDir": "dist",
   },
-  "include": ["src/**/*"],
+  "include": ["src"],
 }
diff --git a/yarn.lock b/yarn.lock
index 6f8001bd4a4e..a9628c17d8eb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8097,9 +8097,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@redwoodjs/cli-helpers@workspace:packages/cli-helpers"
   dependencies:
-    "@babel/cli": "npm:7.23.4"
     "@babel/core": "npm:^7.22.20"
-    "@babel/runtime-corejs3": "npm:7.23.6"
     "@iarna/toml": "npm:2.2.5"
     "@opentelemetry/api": "npm:1.7.0"
     "@redwoodjs/project-config": "npm:6.0.7"
@@ -8108,10 +8106,8 @@ __metadata:
     "@types/pascalcase": "npm:1.0.3"
     "@types/yargs": "npm:17.0.32"
     chalk: "npm:4.1.2"
-    core-js: "npm:3.34.0"
     dotenv: "npm:16.3.1"
     execa: "npm:5.1.1"
-    jest: "npm:29.7.0"
     listr2: "npm:6.6.1"
     lodash: "npm:4.17.21"
     pascalcase: "npm:1.0.0"
@@ -8119,6 +8115,7 @@ __metadata:
     prompts: "npm:2.4.2"
     terminal-link: "npm:2.1.1"
     typescript: "npm:5.3.3"
+    vitest: "npm:1.2.1"
   languageName: unknown
   linkType: soft