masto: add fetchStatus

* also add types RemoteServer and AccountKey

src/accounts/stores.ts

@@ -6,10 +6,19 @@ import {
 } from "masto";
 import { createMastoClientFor } from "../masto/clients";
 
-export type Account = {
+export type RemoteServer = {
   site: string;
-  accessToken: string;
+};
 
+export type AccountKey = RemoteServer & {
+  accessToken: string;
+};
+
+export function isAccountKey(object: RemoteServer): object is AccountKey {
+  return !!(object as Record<string, unknown>)["accessToken"];
+}
+
+export type Account = AccountKey & {
   tokenType: string;
   scope: string;
   createdAt: number;
@@ -17,6 +26,10 @@ export type Account = {
   inf?: mastodon.v1.AccountCredentials;
 };
 
+export function isAccount(object: AccountKey) {
+  return !!(object as Record<string, unknown>)["tokenType"];
+}
+
 export const $accounts = persistentAtom<Account[]>("accounts", [], {
   encode: JSON.stringify,
   decode: JSON.parse,

src/masto/base.ts

@@ -0,0 +1,23 @@
+import { createCacheBucket } from "~platform/cache";
+
+export const cacheBucket = /* @__PURE__ */ createCacheBucket("mastodon");
+
+export function toSmallCamelCase<T>(object: T) :T {
+  if (!object || typeof object !== "object") {
+    return object;
+  } else if (Array.isArray(object)) {
+    return object.map(toSmallCamelCase) as T
+  }
+
+  const result = {} as Record<keyof any, unknown>;
+  for (const k in object) {
+    const value = toSmallCamelCase(object[k])
+    const nk =
+      typeof k === "string"
+        ? k.replace(/_(.)/g, (_, match) => match.toUpperCase())
+        : k;
+    result[nk] = value;
+  }
+
+  return result as T;
+}

src/masto/statuses.ts

@@ -0,0 +1,30 @@
+import { CachedFetch } from "~platform/cache";
+import { cacheBucket, toSmallCamelCase } from "./base";
+import {
+  isAccountKey,
+  type RemoteServer,
+} from "../accounts/stores";
+import type { mastodon } from "masto";
+
+
+
+export const fetchStatus = /* @__PURE__ */ new CachedFetch(
+  cacheBucket,
+  (session: RemoteServer, id: string) => {
+    const headers = new Headers({
+      Accept: "application/json",
+    });
+    if (isAccountKey(session)) {
+      headers.set("Authorization", `Bearer ${session.accessToken}`);
+    }
+    return {
+      url: new URL(`./api/v1/statuses/${id}`, session.site).toString(),
+      headers,
+    };
+  },
+  async (response) => {
+    return toSmallCamelCase(
+      await response.json(),
+    ) as unknown as mastodon.v1.Status;
+  },
+);