Switch over to vitest because native ESM memes

Author: RDIL

package.json

@@ -40,24 +40,19 @@
         "require": "./build/index-cjs.js"
     },
     "devDependencies": {
-        "@types/mocha": "^10.0.7",
         "@types/node": "^20.14.8",
-        "c8": "^10.1.2",
-        "c8-as-nyc": "^1.1.11",
-        "call-spy": "^3.0.1",
+        "@vitest/coverage-v8": "^3.2.4",
         "esbuild": "^0.25.0",
-        "esbuild-register": "^3.5.0",
-        "get-package-type": "^0.1.0",
-        "mocha": "^10.4.0",
         "prettier": "^3.3.2",
-        "typescript": "^5.5.2"
+        "typescript": "^5.5.2",
+        "vitest": "^3.2.4"
     },
     "scripts": {
         "prettier": "prettier --write \"**/*.{ts,md,json,js,cjs}\"",
         "build": "tsc && node build.mjs",
         "prepack": "yarn build",
-        "test": "mocha --require esbuild-register --extension js,ts,cjs,mjs tests",
-        "coverage": "c8 --reporter=lcov --reporter=text-summary --exclude=.yarn yarn test"
+        "test": "vitest",
+        "coverage": "vitest --coverage"
     },
     "prettier": {
         "semi": false,

tests/eq.spec.ts

@@ -16,7 +16,7 @@
 
 import { test } from "../src"
 import assert from "assert"
-import { describe } from "mocha"
+import { describe } from "vitest"
 
 const data = {
     Equality1: [
@@ -119,14 +119,14 @@ describe("$eq", () => {
         assert.strictEqual(test(sm, vars), true)
     })
 
-    context("inequality", () => {
+    describe("inequality", () => {
         it("1 neq 2", () => {
             const [sm, vars] = data.Inequality1
             assert.strictEqual(test(sm, vars), false)
         })
     })
 
-    context("nested $eq", () => {
+    describe("nested $eq", () => {
         it("can understand nested $eq", () => {
             const [sm, vars] = data.NestedEq1
             assert.strictEqual(test(sm, vars), true)
@@ -143,7 +143,7 @@ describe("$eq", () => {
         assert.strictEqual(test(sm, vars), true)
     })
 
-    context("$eq with undefined or null variables", () => {
+    describe("$eq with undefined or null variables", () => {
         it("1 (one) undefined variable", () => {
             const [sm, vars] = data.UndefinedCheck1
             assert.strictEqual(test(sm, vars), false)

tests/or.spec.ts

@@ -16,7 +16,6 @@
 
 import { test } from "../src"
 import assert from "assert"
-import { describe } from "mocha"
 
 const data = {
     Or1: [

tests/timers.spec.ts

@@ -16,7 +16,7 @@
 
 import { test, Timer } from "../src"
 import assert from "assert"
-import callSpy from "call-spy"
+import { vi } from "vitest"
 
 const data = {
     After1: [
@@ -43,7 +43,7 @@ describe("$after", () => {
     it("won't try to evaluate if no timestamp is specified", () => {
         const [sm, vars] = data.After1
 
-        const [logger, loggerCallDetails] = callSpy((category, message) => {
+        const logger = vi.fn((category, message) => {
             if (category === "validation") {
                 assert.strictEqual(
                     message,
@@ -53,7 +53,7 @@ describe("$after", () => {
         })
 
         assert.strictEqual(test(sm, vars, { timers: [], logger }), false)
-        assert.strictEqual(loggerCallDetails.called, true)
+        assert.strictEqual(logger.mock.calls.length > 1, true)
     })
 
     it("supports basic timers", () => {

tsconfig.test.json

@@ -3,7 +3,8 @@
     "compilerOptions": {
         "noEmit": true,
         "emitDeclarationOnly": false,
-        "rootDir": "."
+        "rootDir": ".",
+        "types": ["vitest/globals"]
     },
-    "include": ["tests", "tests/handleEvent.data.json", "src"]
+    "include": ["tests", "tests/handleEvent.data.json", "src", "vite.config.ts"]
 }

vite.config.ts

@@ -0,0 +1,27 @@
+/*
+ *    Copyright (c) 2025 The Peacock Project
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+import { defineConfig } from "vitest/config"
+
+export default defineConfig({
+    test: {
+        globals: true,
+        coverage: {
+            provider: "v8",
+            exclude: ["build", "build.mjs", ".yarn", "vite.config.ts"]
+        }
+    }
+})