modernize (ESM, native tests, GH Actions, no build)

Author: mourner

Diff for: .github/workflows/node.yml

@@ -0,0 +1,19 @@
+name: Node
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Setup Node
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run tests
+      run: npm test

Diff for: .gitignore

@@ -1,5 +1,2 @@
 node_modules
 *.log
-yarn.lock
-tinyqueue.js
-tinyqueue.min.js

Diff for: .travis.yml

@@ -0,0 +1 @@
+export {default} from 'eslint-config-mourner';

Diff for: eslint.config.js

@@ -1,6 +1,6 @@
 
 export default class TinyQueue {
-    constructor(data = [], compare = defaultCompare) {
+    constructor(data = [], compare = (a, b) => (a < b ? -1 : a > b ? 1 : 0)) {
         this.data = data;
         this.length = this.data.length;
         this.compare = compare;
@@ -69,7 +69,3 @@ export default class TinyQueue {
         data[pos] = item;
     }
 }
-
-function defaultCompare(a, b) {
-    return a < b ? -1 : a > b ? 1 : 0;
-}