Running unit tests with TypeScript 6.0

Author: fasttime

gulpfile.js

@@ -198,6 +198,12 @@ task
                     files:          ['**/*.json'],
                     jsonVersion:    'standard',
                 },
+                {
+                    files:              ['tsconfig.json'],
+                    jsonVersion:        'standard',
+                    language:           'json/jsonc',
+                    languageOptions:    { allowTrailingCommas: true },
+                },
             );
             const stream =
             src

package.json

@@ -70,7 +70,8 @@
     "typescript_5.6": "npm:typescript@5.6",
     "typescript_5.7": "npm:typescript@5.7",
     "typescript_5.8": "npm:typescript@5.8",
-    "typescript_5.9": "npm:typescript@5.9"
+    "typescript_5.9": "npm:typescript@5.9",
+    "typescript_6.0": "npm:typescript@6.0"
   },
   "engines": {
     "node": ">=16.0.0"

test/spec/ts-defs.spec.mjs

@@ -8,6 +8,7 @@ import { dirname, join }                                    from 'node:path';
 import { fileURLToPath }                                    from 'node:url';
 import { getImportStatement, getTestCase, processTestCase } from '#eslint-plugin-tstest';
 import { glob }                                             from 'glob';
+import ts                                                   from 'typescript';
 
 function defineTests(typescriptPkgName)
 {
@@ -186,8 +187,8 @@ await
 const compilerOptions =
 (() =>
 {
-    const require = createRequire(import.meta.url);
-    const { compilerOptions } = require('../../tsconfig.json');
+    const { config: { compilerOptions } } =
+    ts.readConfigFile(join(__dirname, '..', '..', 'tsconfig.json'), ts.sys.readFile);
     return compilerOptions;
 }
 )();

tsconfig.json

@@ -2,16 +2,15 @@
   "compilerOptions": {
     "exactOptionalPropertyTypes": true,
     "forceConsistentCasingInFileNames": true,
-    "module": "Node16",
-    "moduleResolution": "Node16",
+    "module": "node16",
     "noUncheckedSideEffectImports": true,
     "strict": true,
-    "target": "ES2020",
-    "verbatimModuleSyntax": true
+    "target": "es2020",
+    "types": [],
   },
   "include": [
     "example",
     "lib",
-    "test"
-  ]
+    "test",
+  ],
 }