refactor(frontend): scripts -> utility

packages/frontend/src/scripts/merge.ts

@@ -1,35 +0,0 @@
-/*
- * SPDX-FileCopyrightText: syuilo and misskey-project
- * SPDX-License-Identifier: AGPL-3.0-only
- */
-
-import { deepClone } from './clone.js';
-import type { Cloneable } from './clone.js';
-
-export type DeepPartial<T> = {
-	[P in keyof T]?: T[P] extends Record<PropertyKey, unknown> ? DeepPartial<T[P]> : T[P];
-};
-
-function isPureObject(value: unknown): value is Record<PropertyKey, unknown> {
-	return typeof value === 'object' && value !== null && !Array.isArray(value);
-}
-
-/**
- * valueにないキーをdefからもらう（再帰的）\
- * nullはそのまま、undefinedはdefの値
- **/
-export function deepMerge<X extends Record<PropertyKey, unknown>>(value: DeepPartial<X>, def: X): X {
-	if (isPureObject(value) && isPureObject(def)) {
-		const result = deepClone(value as Cloneable) as X;
-		for (const [k, v] of Object.entries(def) as [keyof X, X[keyof X]][]) {
-			if (!Object.prototype.hasOwnProperty.call(value, k) || value[k] === undefined) {
-				result[k] = v;
-			} else if (isPureObject(v) && isPureObject(result[k])) {
-				const child = deepClone(result[k] as Cloneable) as DeepPartial<X[keyof X] & Record<PropertyKey, unknown>>;
-				result[k] = deepMerge<typeof v>(child, v);
-			}
-		}
-		return result;
-	}
-	throw new Error('deepMerge: value and def must be pure objects');
-}