Replacing Karma with Web Test Runner (#1546)

* Replace Karma with Web Test Runner

* remove karma dependencies

* remove `assertion-error` from commonjs plugin list

* remove redundant mocha options

* run browsers in ci

* fix ci script

* change name from chrome to chromium

* install playwright dependencies

* import chai from correct place

* drop checking in safari

.github/workflows/browsers.yml

@@ -0,0 +1,30 @@
+# This workflow will do a clean install of node dependencies, build the source
+# code and run tests across different versions of browsers
+
+name: Browsers CI
+
+on:
+  push:
+    branches: [ main, 4.x.x, 5.x.x ]
+  pull_request:
+    branches: [ main, 4.x.x, 5.x.x ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        browser-name:
+          - chromium
+          - firefox
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: ${{ matrix.browser-name }}
+      uses: actions/setup-node@v3
+    - run: npm ci
+    - run: npx playwright install --with-deps
+    - run: npm run build --if-present
+    - run: npm run test-chrome -- --browsers ${{ matrix.browser-name }}

lib/chai/interface/assert.js

@@ -4,6 +4,7 @@
  * MIT Licensed
  */
 
+import * as chai from '../../../index.js';
 import {Assertion} from '../assertion.js';
 import {flag, inspect} from '../utils/index.js';
 import {AssertionError} from 'assertion-error';

lib/chai/interface/expect.js

@@ -4,6 +4,7 @@
  * MIT Licensed
  */
 
+import * as chai from '../../../index.js';
 import {Assertion} from '../assertion.js';
 import {AssertionError} from 'assertion-error';