Modernize

- ESLint, Prettier, TypeScript, everything.
- Split code into many files.

Author: ibc

.eslintrc.js

@@ -1,6 +1,6 @@
 name: awaitqueue
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 concurrency:
   # Cancel a currently running workflow from the same PR, branch or tag when a
@@ -13,23 +13,29 @@ jobs:
     strategy:
       matrix:
         ci:
-          - os: ubuntu-20.04
-            node: 16
-          - os: ubuntu-20.04
-            node: 18
           - os: ubuntu-22.04
+            node: 18
+          - os: ubuntu-24.04
             node: 20
-          - os: windows-2022
+          - os: ubuntu-24.04
+            node: 22
+          - os: macos-13
+            node: 18
+          - os: macos-14
             node: 20
+          - os: macos-15
+            node: 22
+          - os: windows-2022
+            node: 22
 
     runs-on: ${{ matrix.ci.os }}
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.ci.node }}
 
@@ -42,6 +48,11 @@ jobs:
           restore-keys: |
             ${{ matrix.ci.os }}-node-
 
-      - run: npm ci
-      - run: npm run lint
-      - run: npm run test
+      - name: npm ci
+        run: npm ci --foreground-scripts
+
+      - name: npm run lint
+        run: npm run lint
+
+      - name: npm run test
+        run: npm run test

.github/workflows/awaitqueue.yaml

@@ -1 +1,4 @@
+# Generate package-lock.json.
 package-lock=true
+# For bad node/npm version to throw actual error.
+engine-strict=true

.npmrc

@@ -0,0 +1,10 @@
+{
+	"useTabs": true,
+	"tabWidth": 2,
+	"arrowParens": "avoid",
+	"bracketSpacing": true,
+	"semi": true,
+	"singleQuote": true,
+	"trailingComma": "es5",
+	"endOfLine": "auto"
+}