.github/workflows/nodejs.yml

@@ -1,4 +1,4 @@
-name: Build
+name: Test
 
 on:
   pull_request:
@@ -7,36 +7,33 @@ on:
       - main
 
 jobs:
-  build:
-    name: Build
+  test:
+    name: Test
     runs-on: ubuntu-latest
     steps:
       - name: Get sources
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Restore npm cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
           restore-keys: |
             ${{ runner.os }}-node-
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: node_modules
           key: ${{ runner.os }}-node-modules-${{ hashFiles('**/package-lock.json') }}
           restore-keys: |
             ${{ runner.os }}-node-modules-
-      - name: Use Node.js 16
-        uses: actions/setup-node@v3
+      - name: Use Node.js 22
+        uses: actions/setup-node@v4
         with:
-          node-version: '16'
+          node-version: "22"
 
       - name: Install dependencies
-        run: npm install
-
-      - name: Build
-        run: npm run build --if-present
+        run: npm ci
 
       - name: Test
         run: npm run test

README.md

@@ -1,75 +1,15 @@
 <h1 align=center>
   <a href="http://chaijs.com" title="Chai Documentation">
-    <img alt="ChaiJS" src="http://chaijs.com/img/chai-logo.png"/> check-error
+    <img alt="ChaiJS" src="http://chaijs.com/img/chai-logo.png">
   </a>
+  <br>
+  check-error
 </h1>
 
 <p align=center>
   Error comparison and information related utility for <a href="http://nodejs.org">node</a> and the browser.
 </p>
 
-<p align=center>
-  <a href="./LICENSE">
-    <img
-      alt="license:mit"
-      src="https://img.shields.io/badge/license-mit-green.svg?style=flat-square"
-    />
-  </a>
-  <a href="https://github.com/chaijs/check-error/releases">
-    <img
-      alt="tag:?"
-      src="https://img.shields.io/github/tag/chaijs/check-error.svg?style=flat-square"
-    />
-  </a>
-
-  ![example workflow](https://github.com/chaijs/check-error/actions/workflows/nodejs.yml/badge.svg)
-
-  <a href="https://coveralls.io/r/chaijs/check-error">
-    <img
-      alt="coverage:?"
-      src="https://img.shields.io/coveralls/chaijs/check-error/master.svg?style=flat-square"
-    />
-  </a>
-  <a href="https://www.npmjs.com/packages/check-error">
-    <img
-      alt="npm:?"
-      src="https://img.shields.io/npm/v/check-error.svg?style=flat-square"
-    />
-  </a>
-  <a href="https://www.npmjs.com/packages/check-error">
-    <img
-      alt="dependencies:?"
-      src="https://img.shields.io/npm/dm/check-error.svg?style=flat-square"
-    />
-  </a>
-  <a href="">
-    <img
-      alt="devDependencies:?"
-      src="https://img.shields.io/david/chaijs/check-error.svg?style=flat-square"
-    />
-  </a>
-  <br/>
-  <a href="https://saucelabs.com/u/chaijs-check-error">
-    <img
-      alt="Selenium Test Status"
-      src="https://saucelabs.com/browser-matrix/chaijs-check-error.svg"
-    />
-  </a>
-  <br>
-  <a href="https://chai-slack.herokuapp.com/">
-    <img
-      alt="Join the Slack chat"
-      src="https://img.shields.io/badge/slack-join%20chat-E2206F.svg?style=flat-square"
-    />
-  </a>
-  <a href="https://gitter.im/chaijs/chai">
-    <img
-      alt="Join the Gitter chat"
-      src="https://img.shields.io/badge/gitter-join%20chat-D0104D.svg?style=flat-square"
-    />
-  </a>
-</p>
-
 ## What is Check-Error?
 
 Check-Error is a module which you can use to retrieve an Error's information such as its `message` or `constructor` name and also to check whether two Errors are compatible based on their messages, constructors or even instances.

index.js

@@ -3,10 +3,6 @@ function isErrorInstance(obj) {
   return obj instanceof Error || Object.prototype.toString.call(obj) === '[object Error]';
 }
 
-function isErrorClass(obj) {
-  return obj === Error || (typeof obj === 'function' && obj.name === 'Error');
-}
-
 function isRegExp(obj) {
   // eslint-disable-next-line prefer-reflect
   return Object.prototype.toString.call(obj) === '[object RegExp]';
@@ -50,7 +46,7 @@ function compatibleConstructor(thrown, errorLike) {
   if (isErrorInstance(errorLike)) {
     // If `errorLike` is an instance of any error we compare their constructors
     return thrown.constructor === errorLike.constructor || thrown instanceof errorLike.constructor;
-  } else if (isErrorClass(Object.getPrototypeOf(errorLike)) || isErrorClass(errorLike)) {
+  } else if ((typeof errorLike === 'object' || typeof errorLike === 'function') && errorLike.prototype) {
     // If `errorLike` is a constructor that inherits from Error, we compare `thrown` to `errorLike` directly
     return thrown.constructor === errorLike || thrown instanceof errorLike;
   }

package.json

@@ -26,11 +26,9 @@
     "url": "git+ssh://git@github.com/chaijs/check-error.git"
   },
   "scripts": {
-    "build": "rollup -c rollup.config.js",
     "lint": "eslint --ignore-path .gitignore index.js test/",
-    "prepublish": "npm run build",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post",
-    "pretest": "npm run lint && npm run build",
+    "pretest": "npm run lint",
     "test": "npm run test:node && npm run test:browser",
     "test:browser": "web-test-runner",
     "test:node": "mocha"
@@ -58,8 +56,6 @@
     }
   },
   "devDependencies": {
-    "@rollup/plugin-commonjs": "^21.0.0",
-    "@rollup/plugin-node-resolve": "^13.0.5",
     "@web/test-runner": "^0.17.0",
     "browserify": "^13.0.0",
     "browserify-istanbul": "^1.0.0",
@@ -68,7 +64,6 @@
     "eslint-plugin-filenames": "^0.2.0",
     "ghooks": "^1.0.1",
     "mocha": "^9.1.2",
-    "rollup": "^2.58.0",
     "semantic-release": "^4.3.5",
     "simple-assert": "^2.0.0",
     "validate-commit-msg": "^2.3.1"

test/index.js

@@ -31,6 +31,17 @@ describe('checkError', function () {
 
     assert(checkError.compatibleConstructor(errorInstance, anObject) === false);
     assert(checkError.compatibleConstructor(errorInstance, aNumber) === false);
+
+    function PrototypeError() {}
+    PrototypeError.prototype = Object.create(Error.prototype);
+    assert(checkError.compatibleConstructor(new PrototypeError(), PrototypeError) === true);
+    assert(checkError.compatibleConstructor(new PrototypeError(), Error) === true);
+
+    // eslint-disable-next-line func-style
+    const WeirdNamelessError = function () {};
+    WeirdNamelessError.prototype = Object.create(Error.prototype);
+    assert(checkError.compatibleConstructor(new WeirdNamelessError(), WeirdNamelessError) === true);
+    assert(checkError.compatibleConstructor(new WeirdNamelessError(), Error) === true);
   });
 
   it('compatibleMessage', function () {