feat: add parentConfig to extension context for more extendable extensions, fix #259

packages/core/src/helpers/createExtensionContext.ts

@@ -0,0 +1,21 @@
+import { AnyExtension, AnyObject } from '../types'
+
+export default function createExtensionContext<T>(
+  extension: AnyExtension,
+  data: T,
+): T & { parentConfig: AnyObject } {
+  const context = {
+    ...data,
+    get parentConfig() {
+      return Object.fromEntries(Object.entries(extension.parentConfig).map(([key, value]) => {
+        if (typeof value !== 'function') {
+          return [key, value]
+        }
+
+        return [key, value.bind(context)]
+      }))
+    },
+  }
+
+  return context
+}