Fix ts-node with --no-experimental-strip-types (#2069)

Author: ntkme

package.json

@@ -71,12 +71,12 @@
     "yargs": "^17.2.1"
   },
   "scripts": {
-    "sass-spec": "ts-node sass-spec.ts",
-    "js-api-spec": "ts-node js-api-spec.ts",
+    "sass-spec": "node ts-node-wrapper.mjs sass-spec.ts",
+    "js-api-spec": "node ts-node-wrapper.mjs js-api-spec.ts",
     "test": "jest",
-    "lint-spec": "ts-node lint-spec.ts",
+    "lint-spec": "node ts-node-wrapper.mjs lint-spec.ts",
     "lint": "gts lint",
-    "migrate": "ts-node migrate.ts",
+    "migrate": "node ts-node-wrapper.mjs migrate.ts",
     "fix": "gts fix"
   },
   "engines": {

ts-node-wrapper.mjs

@@ -0,0 +1,38 @@
+/*
+ * The new --experimental-strip-types node option conflicts with `ts-node`.
+ * This wrapper disables it if it's supported by the current node version.
+ *
+ * See: https://github.com/TypeStrong/ts-node/issues/2152
+ *
+ * TODO: switch to native typescript support once node<22 are dropped.
+ */
+
+import {execFileSync} from 'node:child_process';
+
+try {
+  execFileSync('node', ['--no-experimental-strip-types', '-e', ''], {
+    shell: process.platform === 'win32',
+    stdio: 'ignore',
+  });
+
+  if (process.env.NODE_OPTIONS === undefined) {
+    process.env.NODE_OPTIONS = '--no-experimental-strip-types';
+  } else {
+    process.env.NODE_OPTIONS += ' --no-experimental-strip-types';
+  }
+} catch (_) {
+  // ignore
+}
+
+try {
+  execFileSync('ts-node', process.argv.slice(2), {
+    shell: process.platform === 'win32',
+    stdio: 'inherit',
+  });
+} catch (error) {
+  if (error.code) {
+    throw error;
+  } else {
+    process.exitCode = error.status;
+  }
+}