refactor(frontend): scripts -> utility

1 files changed, 87 insertions, 0 deletions

diff --git a/packages/frontend/src/utility/get-embed-code.ts b/packages/frontend/src/utility/get-embed-code.ts
new file mode 100644
index 0000000000..9021520da8
--- /dev/null
+++ b/packages/frontend/src/utility/get-embed-code.ts
@@ -0,0 +1,87 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import { defineAsyncComponent } from 'vue';
+import { v4 as uuid } from 'uuid';
+import type { EmbedParams, EmbeddableEntity } from '@@/js/embed-page.js';
+import { url } from '@@/js/config.js';
+import * as os from '@/os.js';
+import { copyToClipboard } from '@/utility/copy-to-clipboard.js';
+import { defaultEmbedParams, embedRouteWithScrollbar } from '@@/js/embed-page.js';
+
+const MOBILE_THRESHOLD = 500;
+
+/**
+ * パラメータを正規化する（埋め込みコード作成用）
+ * @param params パラメータ
+ * @returns 正規化されたパラメータ
+ */
+export function normalizeEmbedParams(params: EmbedParams): Record<string, string> {
+	// paramsのvalueをすべてstringに変換。undefinedやnullはプロパティごと消す
+	const normalizedParams: Record<string, string> = {};
+	for (const key in params) {
+		// デフォルトの値と同じならparamsに含めない
+		if (params[key] == null || params[key] === defaultEmbedParams[key]) {
+			continue;
+		}
+		switch (typeof params[key]) {
+			case 'number':
+				normalizedParams[key] = params[key].toString();
+				break;
+			case 'boolean':
+				normalizedParams[key] = params[key] ? 'true' : 'false';
+				break;
+			default:
+				normalizedParams[key] = params[key];
+				break;
+		}
+	}
+	return normalizedParams;
+}
+
+/**
+ * 埋め込みコードを生成（iframe IDの発番もやる）
+ */
+export function getEmbedCode(path: string, params?: EmbedParams): string {
+	const iframeId = 'v1_' + uuid(); // 将来embed.jsのバージョンが上がったとき用にv1_を付けておく
+
+	let paramString = '';
+	if (params) {
+		const searchParams = new URLSearchParams(normalizeEmbedParams(params));
+		paramString = searchParams.toString() === '' ? '' : '?' + searchParams.toString();
+	}
+
+	const iframeCode = [
+		`<iframe src="${url + path + paramString}" data-misskey-embed-id="${iframeId}" loading="lazy" referrerpolicy="strict-origin-when-cross-origin" style="border: none; width: 100%; max-width: 500px; height: 300px; color-scheme: light dark;"></iframe>`,
+		`<script defer src="${url}/embed.js"></script>`,
+	];
+	return iframeCode.join('\n');
+}
+
+/**
+ * 埋め込みコードを生成してコピーする（カスタマイズ機能つき）
+ *
+ * カスタマイズ機能がいらない場合（事前にパラメータを指定する場合）は getEmbedCode を直接使ってください
+ */
+export function genEmbedCode(entity: EmbeddableEntity, id: string, params?: EmbedParams) {
+	const _params = { ...params };
+
+	if (embedRouteWithScrollbar.includes(entity) && _params.maxHeight == null) {
+		_params.maxHeight = 700;
+	}
+
+	// PCじゃない場合はコードカスタマイズ画面を出さずにそのままコピー
+	if (window.innerWidth < MOBILE_THRESHOLD) {
+		copyToClipboard(getEmbedCode(`/embed/${entity}/${id}`, _params));
+		os.success();
+	} else {
+		const { dispose } = os.popup(defineAsyncComponent(() => import('@/components/MkEmbedCodeGenDialog.vue')), {
+			entity,
+			id,
+			params: _params,
+		}, {
+			closed: () => dispose(),
+		});
+	}
+}