refactor: localesをworkspace管理下のパッケージに (#16895)

* refactor: localesをworkspace管理下のパッケージに

* fix copilot review

* move

* move

* rename

* fix ci

* revert unwanted indent changes

* fix

* fix

* fix

* fix

* 間違えてコミットしていたのを戻す

* 不要

* 追加漏れ

* ymlの場所だけ戻す

* localesの位置を戻したのでこの差分は不要

* 内容的にlocalesにある方が正しい

* i18nパッケージ用のREADME.mdを用意

* fix locale.yml

* fix locale.yml

---------

Co-authored-by: kakkokari-gtyih <67428053+kakkokari-gtyih@users.noreply.github.com>

packages/i18n/scripts/verify.ts

@@ -0,0 +1,70 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+let valid = true;
+
+interface LocaleRecord {
+	[key: string]: string | LocaleRecord;
+}
+
+interface ErrorData {
+	expected?: string;
+	actual?: string;
+	parameter?: string;
+}
+
+function writeError(type: string, lang: string, tree: string, data: ErrorData): void {
+	process.stderr.write(JSON.stringify({ type, lang, tree, data }));
+	process.stderr.write('\n');
+	valid = false;
+}
+
+function verify(expected: LocaleRecord, actual: LocaleRecord, lang: string, trace?: string): void {
+	for (const key in expected) {
+		if (!Object.prototype.hasOwnProperty.call(actual, key)) {
+			continue;
+		}
+		if (typeof expected[key] === 'object') {
+			if (typeof actual[key] !== 'object') {
+				writeError('mismatched_type', lang, trace ? `${trace}.${key}` : key, { expected: 'object', actual: typeof actual[key] });
+				continue;
+			}
+			verify(expected[key] as LocaleRecord, actual[key] as LocaleRecord, lang, trace ? `${trace}.${key}` : key);
+		} else if (typeof expected[key] === 'string') {
+			switch (typeof actual[key]) {
+				case 'object':
+					writeError('mismatched_type', lang, trace ? `${trace}.${key}` : key, { expected: 'string', actual: 'object' });
+					break;
+				case 'undefined':
+					continue;
+				case 'string': {
+					const expectedParameters = new Set((expected[key] as string).match(/\{[^}]+\}/g)?.map((s) => s.slice(1, -1)));
+					const actualParameters = new Set((actual[key] as string).match(/\{[^}]+\}/g)?.map((s) => s.slice(1, -1)));
+					for (const parameter of expectedParameters) {
+						if (!actualParameters.has(parameter)) {
+							writeError('missing_parameter', lang, trace ? `${trace}.${key}` : key, { parameter });
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+// index.tsはtsのまま動かすことを想定していない（ビルド成果物を外部に公開する）.
+// よってビルド後のものを検証する
+const locales = await import('../built/index.js');
+const { 'ja-JP': original, ...verifiees } = locales as unknown as Record<string, LocaleRecord>;
+
+for (const lang in verifiees) {
+	if (!Object.prototype.hasOwnProperty.call(locales, lang)) {
+		continue;
+	}
+	verify(original, verifiees[lang], lang);
+}
+
+if (!valid) {
+	process.exit(1);
+}