Convert actions/account_notes into Typescript (#26601)

app/javascript/mastodon/api.ts

@@ -0,0 +1,63 @@
+import type { AxiosResponse, RawAxiosRequestHeaders } from 'axios';
+import axios from 'axios';
+import LinkHeader from 'http-link-header';
+
+import ready from './ready';
+import type { GetState } from './store';
+
+export const getLinks = (response: AxiosResponse) => {
+  const value = response.headers.link as string | undefined;
+
+  if (!value) {
+    return new LinkHeader();
+  }
+
+  return LinkHeader.parse(value);
+};
+
+const csrfHeader: RawAxiosRequestHeaders = {};
+
+const setCSRFHeader = () => {
+  const csrfToken = document.querySelector<HTMLMetaElement>(
+    'meta[name=csrf-token]',
+  );
+
+  if (csrfToken) {
+    csrfHeader['X-CSRF-Token'] = csrfToken.content;
+  }
+};
+
+void ready(setCSRFHeader);
+
+const authorizationHeaderFromState = (getState?: GetState) => {
+  const accessToken =
+    getState && (getState().meta.get('access_token', '') as string);
+
+  if (!accessToken) {
+    return {};
+  }
+
+  return {
+    Authorization: `Bearer ${accessToken}`,
+  } as RawAxiosRequestHeaders;
+};
+
+// eslint-disable-next-line import/no-default-export
+export default function api(getState: GetState) {
+  return axios.create({
+    headers: {
+      ...csrfHeader,
+      ...authorizationHeaderFromState(getState),
+    },
+
+    transformResponse: [
+      function (data: unknown) {
+        try {
+          return JSON.parse(data as string) as unknown;
+        } catch {
+          return data;
+        }
+      },
+    ],
+  });
+}