feat(schema): add ObjectMapFromArray helper

Author: Ansonhkg

packages/schemas/src/index.ts

@@ -2,3 +2,4 @@ export * from './lib/encryption';
 export * from './lib/models';
 export * from './lib/schemas';
 export * from './lib/validation';
+export * from './lib/transformers';

packages/schemas/src/lib/transformers/ObjectMapFromArray.ts

@@ -0,0 +1,11 @@
+/**
+ * @example
+ * const obj = ['a', 'b', 'c']
+ * ObjectMapFromArray(obj) // { a: 'a', b: 'b', c: 'c' }
+ */
+export const ObjectMapFromArray = <T extends readonly string[]>(arr: T) => {
+  return arr.reduce(
+    (acc, scope) => ({ ...acc, [scope]: scope }),
+    {} as { [K in T[number]]: K }
+  );
+};

packages/schemas/src/lib/transformers/index.ts

@@ -0,0 +1 @@
+export * from './ObjectMapFromArray';