test out alias workflow

Author: AbhiPrasad

packages/feedback/package.json

@@ -52,9 +52,10 @@
     "build:transpile": "rollup -c rollup.npm.config.mjs",
     "build:bundle": "rollup -c rollup.bundle.config.mjs",
     "build:dev": "run-p build:transpile build:types",
-    "build:types": "run-s build:types:core build:types:downlevel",
+    "build:types": "run-s build:types:core build:types:downlevel build:types:alias",
     "build:types:core": "tsc -p tsconfig.types.json",
     "build:types:downlevel": "yarn downlevel-dts build/npm/types build/npm/types-ts3.8 --to ts3.8",
+    "build:types:alias": "yarn node ./scripts/add-global-type.js",
     "build:watch": "run-p build:transpile:watch build:bundle:watch build:types:watch",
     "build:dev:watch": "run-p build:transpile:watch build:types:watch",
     "build:transpile:watch": "yarn build:transpile --watch",

packages/feedback/scripts/add-global-type.js

@@ -0,0 +1,16 @@
+// preact does not support more modern TypeScript versions, which breaks our users that depend on older
+// TypeScript versions. To fix this, we alias preact module to a shim for our <4.9 TS users.
+
+// Path: build/npm/types-ts3.8/global.d.ts
+
+const fs = require('fs');
+const path = require('path');
+
+function run() {
+  fs.copyFileSync(
+    path.join('scripts', 'global-test.d.ts.tmpl'),
+    path.join('build', 'npm', 'types-ts3.8', 'global.d.ts'),
+  );
+}
+
+run();

packages/feedback/scripts/global-test.d.ts.tmpl

@@ -0,0 +1,6 @@
+declare module 'preact' {
+  export type VNode = any;
+  export type ComponentChildren = any;
+  export type ComponentType<T> = any;
+  export const h: any;
+}