Move to Vitest

package.json

@@ -11,6 +11,7 @@
     "email": "hello@feathers.cloud",
     "url": "https://feathers.cloud"
   },
+  "type": "module",
   "license": "MIT",
   "funding": {
     "type": "github",
@@ -33,12 +34,14 @@
     "eslint": "eslint \"packages/**/*.ts\" --fix",
     "lint": "npm run prettier && npm run eslint",
     "update-dependencies": "ncu -u && lerna exec -- ncu -u",
-    "test": "npm run lint && c8 npm test --workspaces"
+    "dev": "vitest watch --coverage",
+    "vitest": "vitest run --coverage",
+    "test": "npm run lint && npm run compile --workspaces && npm run vitest"
   },
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^6.17.0",
     "@typescript-eslint/parser": "^6.17.0",
-    "c8": "^9.0.0",
+    "@vitest/coverage-v8": "^1.2.2",
     "eslint": "^8.56.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-import": "^2.29.1",
@@ -47,6 +50,7 @@
     "lerna": "^8.0.1",
     "npm-check-updates": "^16.14.12",
     "prettier": "^3.1.1",
-    "typescript": "^5.3.3"
+    "typescript": "^5.3.3",
+    "vitest": "^1.2.2"
   }
 }

packages/pinion/package.json

@@ -45,8 +45,7 @@
   ],
   "scripts": {
     "prepublish": "npm run compile",
-    "compile": "shx rm -rf lib/ && tsc",
-    "test": "npm run compile && shx rm -rf test/tmp && node --import tsx --test test/**.test.ts"
+    "compile": "shx rm -rf lib/ && tsc"
   },
   "directories": {
     "lib": "lib"

packages/pinion/src/tasks/prompt.ts

@@ -26,13 +26,14 @@ export type AnswerType<Q extends Question> = Q extends { type: 'input' }
 /**
  * Get the types for the answers from a prompt() function
  */
-export type AnswerTypes<Q extends QuestionCollection> = Q extends ReadonlyArray<Question & { name: string }>
-  ? { [K in Q[number] as K['name']]: AnswerType<K> }
-  : Q extends { [key: string]: Question }
-    ? {
-        [K in keyof Q]: AnswerType<Q[K]>
-      }
-    : unknown
+export type AnswerTypes<Q extends QuestionCollection> =
+  Q extends ReadonlyArray<Question & { name: string }>
+    ? { [K in Q[number] as K['name']]: AnswerType<K> }
+    : Q extends { [key: string]: Question }
+      ? {
+          [K in keyof Q]: AnswerType<Q[K]>
+        }
+      : unknown
 
 /**
  * Show prompts using Inquirer

packages/pinion/test/cli.test.ts

@@ -1,24 +1,18 @@
-import { describe, it } from 'node:test'
+import { describe, it } from 'vitest'
 import assert from 'assert'
 import { fileURLToPath } from 'url'
 import { dirname } from 'path'
-import { cli } from '../lib/index.js'
+import { cli } from '../src/index.js'
 
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = dirname(__filename)
 
 describe('@featherscloud/pinion/cli', () => {
   it('runs the CLI with a generator and command line arguments', async () => {
-    const oldCwd = process.cwd()
-
-    process.chdir(__dirname)
-
-    const ctx = await cli(['templates/cli.ts', '--name', 'testing'])
+    const ctx = await cli(['packages/pinion/test/templates/cli.ts', '--name', 'testing'])
 
     assert.ok(ctx.noop)
     assert.strictEqual(ctx.name, 'testing')
-
-    process.chdir(oldCwd)
   })
 
   it('errors without generator file', async () => {

packages/pinion/test/index.test.ts

@@ -1,9 +1,9 @@
-import { describe, it } from 'node:test'
+import { describe, it } from 'vitest'
 import path from 'path'
 import { fileURLToPath } from 'url'
 import { readFile } from 'fs/promises'
 import assert from 'assert'
-import { getContext, PinionContext, runModule } from '../lib/index.js'
+import { getContext, PinionContext, runModule } from '../src/index.js'
 
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = path.dirname(__filename)

packages/pinion/test/templates/cli.ts

@@ -1,4 +1,4 @@
-import { PinionContext, commander, Command } from '../../lib/index.js'
+import { PinionContext, commander, Command } from '../../src/index.js'
 
 interface Context extends PinionContext {
   name: string

packages/pinion/test/templates/json.tpl.ts

@@ -2,7 +2,7 @@ import { fileURLToPath } from 'url'
 import { dirname } from 'path'
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = dirname(__filename)
-import { loadJSON, fromFile, toFile, writeJSON, mergeJSON, PinionContext } from '../../lib/index.js'
+import { loadJSON, fromFile, toFile, writeJSON, mergeJSON, PinionContext } from '../../src/index.js'
 
 export const generate = (ctx: PinionContext) =>
   Promise.resolve(ctx)

packages/pinion/test/templates/noop.ts

@@ -1,3 +1,3 @@
-import { PinionContext } from '../../lib/index.js'
+import { PinionContext } from '../../src/index.js'
 
 export const generate = (ctx: PinionContext) => Promise.resolve(ctx)

packages/pinion/test/templates/pinion.ts

@@ -15,7 +15,7 @@ import {
   before,
   exec,
   copyFiles
-} from '../../lib/index.js'
+} from '../../src/index.js'
 
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = dirname(__filename)

packages/pinion/test/utils.test.ts

@@ -1,7 +1,7 @@
-import { describe, it } from 'node:test'
+import { describe, it } from 'vitest'
 import path from 'path'
 import assert from 'assert'
-import { merge, listAllFiles, loadModule, listFiles } from '../lib/utils.js'
+import { merge, listAllFiles, loadModule, listFiles } from '../src/utils.js'
 import { fileURLToPath } from 'url'
 
 const __filename = fileURLToPath(import.meta.url)

vitest.config.ts

@@ -0,0 +1,11 @@
+// vitest.config.ts
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+  test: {
+    coverage: {
+      provider: 'v8',
+      include: ['packages/*/src/**/*.ts']
+    }
+  }
+})

vitest.workspace.ts

@@ -0,0 +1,4 @@
+import { defineWorkspace } from 'vitest/config'
+
+// defineWorkspace provides a nice type hinting DX
+export default defineWorkspace(['packages/*'])