chore: modernize dev tooling and CI

TypeScript 7 (ts-jest and ts-node replaced by @swc/jest and a plain JS copy script), Jest 30, oxlint instead of ESLint, rimraf 6, and a Node 22/24/26 CI matrix with coveralls uploaded from a single job. Only dev dependencies and tooling change.

Author: B4nan

.eslintrc.js

@@ -7,22 +7,20 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 13.x, 14.x]
+        node-version: [22, 24, 26]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v7
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@v7
       with:
         node-version: ${{ matrix.node-version }}
 
     - name: EditorConfig Lint
-      uses: docker://mstruebing/editorconfig-checker:2.7.2
+      uses: docker://mstruebing/editorconfig-checker:4.0.1
 
     - name: Install
-      run: |
-        yarn config set ignore-engines true
-        yarn
+      run: yarn
 
     - name: Build
       run: yarn build
@@ -31,11 +29,10 @@ jobs:
       run: yarn lint
 
     - name: Test
-      run: |
-        yarn test > COVERAGE_RESULT
-        echo "$(cat COVERAGE_RESULT)"
+      run: yarn test
 
     - name: Coveralls
-      uses: coverallsapp/github-action@master
+      if: matrix.node-version == 24
+      uses: coverallsapp/github-action@v2
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/tests.yml

@@ -0,0 +1,47 @@
+{
+  "$schema": "https://raw.githubusercontent.com/oxc-project/oxc/main/npm/oxlint/configuration_schema.json",
+  "ignorePatterns": [
+    "**/node_modules",
+    "**/dist",
+    "**/coverage",
+    "**/*.js",
+    "**/*.d.ts"
+  ],
+  "plugins": [
+    "typescript",
+    "jest"
+  ],
+  "env": {
+    "node": true,
+    "jest": true
+  },
+  "categories": {
+    "correctness": "error",
+    "suspicious": "error"
+  },
+  "rules": {
+    "no-var": "error",
+    "prefer-const": "error",
+    "prefer-rest-params": "error",
+    "prefer-spread": "error",
+    "eqeqeq": "error",
+    "curly": "error",
+    "no-console": "error",
+    "no-else-return": "error",
+    "dot-notation": "error",
+    "object-shorthand": "error",
+    "no-throw-literal": "error",
+    "yoda": "error",
+    "typescript/no-explicit-any": "off",
+    "typescript/no-non-null-assertion": "off",
+    "typescript/ban-ts-comment": "off",
+    "typescript/no-unused-vars": "off",
+    "typescript/array-type": "error",
+    "typescript/consistent-type-assertions": "error",
+    "typescript/no-inferrable-types": "error",
+    "typescript/no-namespace": "error",
+    "typescript/no-this-alias": "error",
+    "typescript/prefer-optional-chain": "error",
+    "typescript/no-useless-constructor": "error"
+  }
+}

.oxlintrc.json

@@ -27,12 +27,14 @@
     "build": "yarn clean && yarn compile && yarn copy",
     "clean": "rimraf ./dist",
     "compile": "tsc -p tsconfig.json",
-    "copy": "ts-node -T ./scripts/copy.ts",
-    "lint": "eslint src/*.ts",
+    "copy": "node ./scripts/copy.js",
+    "lint": "oxlint src tests",
     "test": "jest"
   },
   "jest": {
-    "preset": "ts-jest",
+    "transform": {
+      "^.+\\.ts$": "@swc/jest"
+    },
     "collectCoverage": true,
     "collectCoverageFrom": [
       "<rootDir>/src/**/*.ts"
@@ -46,15 +48,14 @@
     "ansi-colors": "^4.1.1"
   },
   "devDependencies": {
-    "@types/jest": "^27.0.0",
-    "@types/node": "^20.0.0",
-    "@typescript-eslint/eslint-plugin": "~5.50.0",
-    "@typescript-eslint/parser": "~5.50.0",
-    "eslint": "^7.6.0",
-    "jest": "^27.0.0",
-    "rimraf": "^3.0.2",
-    "ts-jest": "^27.0.0",
-    "ts-node": "^10.0.0",
-    "typescript": "^4.0.0"
-  }
+    "@swc/core": "^1.16.2",
+    "@swc/jest": "^0.2.39",
+    "@types/jest": "^30.0.0",
+    "@types/node": "^24.0.0",
+    "jest": "^30.5.1",
+    "oxlint": "^1.81.0",
+    "rimraf": "^6.1.3",
+    "typescript": "^7.0.2"
+  },
+  "packageManager": "yarn@1.22.22"
 }

package.json

@@ -1,11 +1,11 @@
-import { copyFileSync, readFileSync, writeFileSync } from 'fs';
-import { resolve } from 'path';
+const { copyFileSync, readFileSync, writeFileSync } = require('fs');
+const { resolve } = require('path');
 
-function copy(filename: string, from: string, to: string): void {
+function copy(filename, from, to) {
   copyFileSync(resolve(from, filename), resolve(to, filename));
 }
 
-function rewrite(path: string, replacer: (from: string) => string): void {
+function rewrite(path, replacer) {
   const file = readFileSync(path).toString();
   const replaced = replacer(file);
   writeFileSync(path, replaced);
@@ -15,6 +15,6 @@ const root = resolve(__dirname, '..');
 const target = resolve(process.cwd(), 'dist');
 
 copy('README.md', root, target);
-copy('LICENSE',  root, target);
+copy('LICENSE', root, target);
 copy('package.json', process.cwd(), target);
 rewrite(resolve(target, 'package.json'), pkg => pkg.replace(/dist\//g, ''));