1 files changed, 99 insertions, 0 deletions
diff --git a/packages/frontend-embed/src/misskey-api.ts b/packages/frontend-embed/src/misskey-api.ts
new file mode 100644
index 0000000000..0d3c679359
--- /dev/null
+++ b/packages/frontend-embed/src/misskey-api.ts
@@ -0,0 +1,99 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import * as Misskey from 'misskey-js';
+import { ref } from 'vue';
+import { apiUrl } from '@@/js/config.js';
+
+export const pendingApiRequestsCount = ref(0);
+
+// Implements Misskey.api.ApiClient.request
+export function misskeyApi<
+	ResT = void,
+	E extends keyof Misskey.Endpoints = keyof Misskey.Endpoints,
+	P extends Misskey.Endpoints[E]['req'] = Misskey.Endpoints[E]['req'],
+	_ResT = ResT extends void ? Misskey.api.SwitchCaseResponseType<E, P> : ResT,
+>(
+	endpoint: E,
+	data: P = {} as any,
+	signal?: AbortSignal,
+): Promise<_ResT> {
+	if (endpoint.includes('://')) throw new Error('invalid endpoint');
+	pendingApiRequestsCount.value++;
+
+	const onFinally = () => {
+		pendingApiRequestsCount.value--;
+	};
+
+	const promise = new Promise<_ResT>((resolve, reject) => {
+		// Send request
+		window.fetch(`${apiUrl}/${endpoint}`, {
+			method: 'POST',
+			body: JSON.stringify(data),
+			credentials: 'omit',
+			cache: 'no-cache',
+			headers: {
+				'Content-Type': 'application/json',
+			},
+			signal,
+		}).then(async (res) => {
+			const body = res.status === 204 ? null : await res.json();
+
+			if (res.status === 200) {
+				resolve(body);
+			} else if (res.status === 204) {
+				resolve(undefined as _ResT); // void -> undefined
+			} else {
+				reject(body.error);
+			}
+		}).catch(reject);
+	});
+
+	promise.then(onFinally, onFinally);
+
+	return promise;
+}
+
+// Implements Misskey.api.ApiClient.request
+export function misskeyApiGet<
+	ResT = void,
+	E extends keyof Misskey.Endpoints = keyof Misskey.Endpoints,
+	P extends Misskey.Endpoints[E]['req'] = Misskey.Endpoints[E]['req'],
+	_ResT = ResT extends void ? Misskey.api.SwitchCaseResponseType<E, P> : ResT,
+>(
+	endpoint: E,
+	data: P = {} as any,
+): Promise<_ResT> {
+	pendingApiRequestsCount.value++;
+
+	const onFinally = () => {
+		pendingApiRequestsCount.value--;
+	};
+
+	const query = new URLSearchParams(data as any);
+
+	const promise = new Promise<_ResT>((resolve, reject) => {
+		// Send request
+		window.fetch(`${apiUrl}/${endpoint}?${query}`, {
+			method: 'GET',
+			credentials: 'omit',
+			cache: 'default',
+		}).then(async (res) => {
+			const body = res.status === 204 ? null : await res.json();
+
+			if (res.status === 200) {
+				resolve(body);
+			} else if (res.status === 204) {
+				resolve(undefined as _ResT); // void -> undefined
+			} else {
+				reject(body.error);
+			}
+		}).catch(reject);
+	});
+
+	promise.then(onFinally, onFinally);
+
+	return promise;
+}