Running unit tests with TypeScript 5.9

Author: fasttime

.github/workflows/ci.yml

@@ -16,10 +16,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
+    - uses: actions/checkout@v5
+    - uses: actions/setup-node@v6
       with:
-        node-version: '22'
+        node-version: '24'
     - run: |
         npm install
         gulp make-ts-defs
@@ -40,15 +40,15 @@ jobs:
 
     strategy:
       matrix:
-        node-version: ['16.0.0', '16', '18', '20', '22', '23']
+        node-version: ['16.0.0', '16', '18', '20', '22', '24', '25']
 
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
+    - uses: actions/checkout@v5
+    - uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm uninstall @origin-1/eslint-config
-    - uses: actions/download-artifact@v4
+    - uses: actions/download-artifact@v5
       with:
         name: lib
         path: lib
@@ -69,14 +69,14 @@ jobs:
 
     strategy:
       matrix:
-        deno-version: [v1.24, v1.x]
+        deno-version: [v1.24, v1.x, v2.x]
 
     steps:
-    - uses: actions/checkout@v4
-    - uses: denoland/setup-deno@v1
+    - uses: actions/checkout@v5
+    - uses: denoland/setup-deno@v2
       with:
         deno-version: ${{ matrix.deno-version }}
-    - uses: actions/download-artifact@v4
+    - uses: actions/download-artifact@v5
       with:
         name: lib
         path: lib

deno.json

@@ -0,0 +1,3 @@
+{
+  "lock": false
+}

gulpfile.js

@@ -166,7 +166,6 @@ task
                 {
                     files:              ['**/*.ts', '**/*.tstest'],
                     tsVersion:          '4.7.0',
-                    languageOptions:    { parserOptions: { extraFileExtensions: ['.tstest'] } },
                 },
                 {
                     files:              ['example/**/*.js'],
@@ -183,8 +182,9 @@ task
                     rules: { '@stylistic/max-len': 'off' },
                 },
                 {
-                    files:      ['**/*.tstest'],
-                    processor:  tsTestProcessor,
+                    files:              ['**/*.tstest'],
+                    languageOptions:    { parserOptions: { extraFileExtensions: ['.tstest'] } },
+                    processor:          tsTestProcessor,
                     rules:
                     {
                         '@typescript-eslint/no-extraneous-class':       'off',
@@ -194,12 +194,16 @@ task
                         'no-duplicate-imports':                         'off',
                     },
                 },
+                {
+                    files:          ['**/*.json'],
+                    jsonVersion:    'standard',
+                },
             );
             const stream =
             src
             (
                 [
-                    '*.js',
+                    '*.{js,json}',
                     'example/**/*.{js,ts}',
                     'lib/**/*.d.ts',
                     'src/**/*.js',

package.json

@@ -68,7 +68,8 @@
     "typescript_5.5": "npm:typescript@5.5",
     "typescript_5.6": "npm:typescript@5.6",
     "typescript_5.7": "npm:typescript@5.7",
-    "typescript_5.8": "npm:typescript@5.8"
+    "typescript_5.8": "npm:typescript@5.8",
+    "typescript_5.9": "npm:typescript@5.9"
   },
   "engines": {
     "node": ">=16.0.0"

test/deno-spec-runner.mjs

@@ -16,7 +16,11 @@ import                                          'https://esm.sh/mocha/mocha.js';
 
 globalThis.chai = chai;
 await import('./spec-helper.js');
-window.location = new URL('about:blank'); // Browser based Mocha expects `window.location` to exist.
+
+// Browser based Mocha expects `window.location` to exist.
+Object.defineProperty(globalThis, 'window', { value: globalThis, enumerable: true });
+window.location = new URL('about:blank');
+
 mocha.setup({ checkLeaks: true, reporter: 'spec', ui: 'bdd' });
 await import('./init-spec.js');
 {

test/spec/ts-defs/210.tstest

@@ -15,7 +15,7 @@ class B
 
 void
 (
-    (C: typeof A | typeof B): (new () => unknown) =>
+    (C: typeof A | typeof B): new () => unknown =>
     class extends classes(C)
     { }
 );