try vitest again

integration/rendering.test.tsx

@@ -3,6 +3,7 @@ import type { ButtonInteraction, Message, MessageOptions } from "discord.js"
 import { Client, TextChannel } from "discord.js"
 import { nanoid } from "nanoid"
 import React, { useState } from "react"
+import { afterAll, beforeAll, expect, test } from "vitest"
 import { omit } from "../src/helpers/omit.js"
 import { raise } from "../src/helpers/raise.js"
 import { waitForWithTimeout } from "../src/helpers/wait-for-with-timeout.js"

jest.config.js

@@ -1,20 +0,0 @@
-/** @type {import('@jest/types').Config.InitialOptions} */
-const config = {
-  transform: {
-    "^.+\\.tsx?$": [
-      "esbuild-jest",
-      {
-        format: "esm",
-        sourcemap: true,
-      },
-    ],
-  },
-  moduleNameMapper: {
-    "(^(\\./|\\.\\./).+)\\.js$": "$1",
-  },
-  extensionsToTreatAsEsm: [".ts", ".tsx"],
-  verbose: true,
-}
-
-// eslint-disable-next-line import/no-unused-modules
-export default config

package.json

@@ -17,9 +17,9 @@
     "lint": "eslint --ext js,ts,tsx .",
     "lint-fix": "pnpm lint -- --fix",
     "format": "prettier --write .",
-    "test": "node --experimental-vm-modules --no-warnings node_modules/jest/bin/jest.js --colors",
-    "test-watch": "node --experimental-vm-modules --no-warnings --inspect node_modules/jest/bin/jest.js --watch --colors --runInBand",
-    "coverage": "pnpm test -- --coverage",
+    "test": "vitest",
+    "test-watch": "vitest --watch",
+    "coverage": "vitest --coverage",
     "typecheck": "tsc --noEmit",
     "playground": "nodemon -x esmo ./playground/main.tsx"
   },
@@ -37,9 +37,9 @@
   },
   "devDependencies": {
     "@itsmapleleaf/configs": "^1.1.2",
-    "@types/jest": "^27.0.3",
     "@typescript-eslint/eslint-plugin": "^5.8.0",
     "@typescript-eslint/parser": "^5.8.0",
+    "c8": "^7.10.0",
     "discord.js": "^13.3.1",
     "dotenv": "^10.0.0",
     "esbuild": "^0.14.6",
@@ -53,12 +53,13 @@
     "eslint-plugin-react-hooks": "^4.3.0",
     "eslint-plugin-unicorn": "^39.0.0",
     "esmo": "^0.13.0",
-    "jest": "^27.4.5",
     "nodemon": "^2.0.15",
     "prettier": "^2.5.1",
     "react": "^17.0.2",
     "tsup": "^5.11.6",
-    "typescript": "^4.5.4"
+    "typescript": "^4.5.4",
+    "vite": "^2.7.6",
+    "vitest": "^0.0.108"
   },
   "eslintConfig": {
     "extends": [

src/main.ts

@@ -1,7 +1,10 @@
+// would normally use .js extensions here,
+// but that breaks in vitest
+// https://github.com/vitest-dev/vitest/issues/282
 /* eslint-disable import/no-unused-modules */
-export * from "./components/action-row.js"
-export * from "./components/button.js"
-export * from "./components/embed-field.js"
-export * from "./components/embed.js"
-export * from "./components/text.js"
-export * from "./root.js"
+export * from "./components/action-row"
+export * from "./components/button"
+export * from "./components/embed"
+export * from "./components/embed-field"
+export * from "./components/text"
+export * from "./root"