chore(deps-dev): remove jest in favor of Node test runner

Author: caugner

.eslintrc.cjs

@@ -3,10 +3,9 @@ module.exports = {
     browser: false,
     commonjs: true,
     es2020: true,
-    "jest/globals": true,
   },
   extends: ["eslint:recommended", "plugin:n/recommended"],
-  plugins: ["jest", "unicorn"],
+  plugins: ["unicorn"],
   globals: {
     Atomics: "readonly",
     SharedArrayBuffer: "readonly",
@@ -34,12 +33,6 @@ module.exports = {
           { ignoreRestSiblings: true },
         ],
         "n/no-deprecated-api": "off",
-        "n/no-extraneous-import": [
-          "error",
-          {
-            allowModules: ["@jest/globals"],
-          },
-        ],
         "n/no-missing-import": "off",
         "n/no-unpublished-import": "off",
         "n/hashbang": "off",

jest.config.json

@@ -1,3 +1,5 @@
+import { describe, it } from "node:test";
+import assert from "node:assert/strict";
 import {
   createRegExpFromExtensions,
   ANY_ATTACHMENT_REGEXP,
@@ -8,55 +10,55 @@ describe("createRegExpFromExt", () => {
   const regexp = createRegExpFromExtensions("foo");
 
   it("accepts the extension", () => {
-    expect(regexp.test("test.foo")).toEqual(true);
+    assert.strictEqual(regexp.test("test.foo"), true);
   });
 
   it("accepts uppercase", () => {
-    expect(regexp.test("test.FOO")).toEqual(true);
+    assert.strictEqual(regexp.test("test.FOO"), true);
   });
 
   it("rejects intermediate extensions", () => {
-    expect(regexp.test("test.foo.bar")).toEqual(false);
+    assert.strictEqual(regexp.test("test.foo.bar"), false);
   });
 
   it("rejects other extensions", () => {
-    expect(regexp.test("test.bar")).toEqual(false);
+    assert.strictEqual(regexp.test("test.bar"), false);
   });
 
   it("rejects extensions starting with it", () => {
-    expect(regexp.test("test.foob")).toEqual(false);
+    assert.strictEqual(regexp.test("test.foob"), false);
   });
 
   it("rejects extensions ending with it", () => {
-    expect(regexp.test("test.afoo")).toEqual(false);
+    assert.strictEqual(regexp.test("test.afoo"), false);
   });
 });
 
 describe("ANY_ATTACHMENT_REGEXP", () => {
   const regexp = ANY_ATTACHMENT_REGEXP;
   it("accepts audio files", () => {
-    expect(regexp.test("audio.mp3")).toEqual(true);
+    assert.strictEqual(regexp.test("audio.mp3"), true);
   });
 
   it("accepts video files", () => {
-    expect(regexp.test("video.mp4")).toEqual(true);
+    assert.strictEqual(regexp.test("video.mp4"), true);
   });
 
   it("accepts font files", () => {
-    expect(regexp.test("diagram.svg")).toEqual(true);
+    assert.strictEqual(regexp.test("diagram.svg"), true);
   });
 
   ["index.html", "index.json", "index.md", "contributors.txt"].forEach(
     (filename) =>
       it(`rejects ${filename}`, () => {
-        expect(regexp.test(filename)).toEqual(false);
+        assert.strictEqual(regexp.test(filename), false);
       })
   );
 });
 
 describe("BINARY_ATTACHMENT_REGEXP", () => {
   const regexp = BINARY_ATTACHMENT_REGEXP;
   it("rejects svg files", () => {
-    expect(regexp.test("diagram.svg")).toEqual(false);
+    assert.strictEqual(regexp.test("diagram.svg"), false);
   });
 });

libs/constants/index.test.ts

@@ -10,12 +10,11 @@
     "check:tsc": "find . -name 'tsconfig.json' ! -wholename '**/node_modules/**' ! -wholename '**/cloud-function/src/internal/**' -print0 | xargs -n1 -P 2 -0 sh -c 'cd `dirname $0` && echo \"🔄 $(pwd)\" && npx tsc --noEmit && echo \"☑️  $(pwd)\" || exit 255'",
     "eslint": "eslint .",
     "install:all": "find . -mindepth 2 -name 'package-lock.json' ! -wholename '**/node_modules/**' -print0 | xargs -n1 -0 sh -cx 'npm --prefix $(dirname $0) install'",
-    "jest": "node --experimental-vm-modules --expose-gc ./node_modules/.bin/jest --logHeapUsage",
     "prepare": "npm run install:all",
     "prettier-check": "prettier --check .",
     "prettier-format": "prettier --write .",
     "test": "npm run prettier-check && npm run test:libs",
-    "test:libs": "npm run jest --rootDir libs --env=node",
+    "test:libs": "tsx --test libs/**/*.test.ts",
     "tool:legacy": "tsx ./tool/cli.ts"
   },
   "resolutions": {
@@ -49,20 +48,15 @@
     "@babel/preset-env": "^7.28.3",
     "@types/express": "^4.17.21",
     "@types/he": "^1.2.3",
-    "@types/jest": "^29.5.14",
     "@types/node": "^22.16.0",
     "cross-env": "^7.0.3",
     "eslint": "^8.57.1",
     "eslint-plugin-import": "^2.32.0",
-    "eslint-plugin-jest": "^29.0.1",
     "eslint-plugin-n": "^17.21.0",
     "eslint-plugin-unicorn": "^56.0.1",
-    "jest": "^29.7.0",
-    "jest-resolve": "^30.1.3",
     "lefthook": "^1.12.4",
     "prettier": "^3.6.2",
     "prettier-plugin-packagejson": "^2.5.19",
-    "ts-jest": "^29.2.6",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.41.0"
   },

package.json

@@ -19,9 +19,5 @@
     "strict": true,
     "strictNullChecks": false,
     "target": "ES2020"
-  },
-  "ts-node": {
-    "esm": true,
-    "swc": true
   }
 }