refactor: split cli and library entry

CHANGELOG.md

@@ -14,6 +14,7 @@
 - `following`/`followers` JSON user fields are now camelCase (`followersCount`, `followingCount`, `isBlueVerified`, `profileImageUrl`, `createdAt`).
 - Cookie extraction timeout is now configurable (default 30s on macOS) via `--cookie-timeout` / `BIRD_COOKIE_TIMEOUT_MS` (thanks @tylerseymour).
 - Search now paginates beyond 20 results when using `-n` (thanks @ryanh-ai).
+- Library exports are now separated from the CLI entrypoint for easier embedding.
 ## 0.4.1 — 2025-12-31
 
 ### Added

README.md

@@ -67,6 +67,18 @@ bird followers --user 12345678 -n 10  # by user ID
 bird query-ids --fresh
 ```
 
+## Library
+
+`bird` can be used as a library (same GraphQL client as the CLI):
+
+```ts
+import { TwitterClient, resolveCredentials } from '@steipete/bird';
+
+const { cookies } = await resolveCredentials({ cookieSource: 'safari' });
+const client = new TwitterClient({ cookies });
+const result = await client.search('from:steipete', 50);
+```
+
 ## Commands
 
 - `bird tweet "<text>"` — post a new tweet.

package.json

@@ -4,8 +4,9 @@
   "description": "CLI tool for tweeting and replying via Twitter/X GraphQL API",
   "type": "module",
   "main": "dist/index.js",
+  "types": "dist/index.d.ts",
   "bin": {
-    "bird": "dist/index.js"
+    "bird": "dist/cli.js"
   },
   "files": [
     "dist",
@@ -16,7 +17,7 @@
   "scripts": {
     "build": "pnpm run build:dist && pnpm run build:binary",
     "build:dist": "tsc && node scripts/copy-dist-assets.js",
-    "build:binary": "BIRD_VERSION=$(node -p \"require('./package.json').version\") BIRD_GIT_SHA=$(git rev-parse --short=8 HEAD 2>/dev/null || true) bun build --compile --minify --env=BIRD_* src/index.ts --outfile bird",
+    "build:binary": "BIRD_VERSION=$(node -p \"require('./package.json').version\") BIRD_GIT_SHA=$(git rev-parse --short=8 HEAD 2>/dev/null || true) bun build --compile --minify --env=BIRD_* src/cli.ts --outfile bird",
     "dev": "tsx src/index.ts",
     "bird": "pnpm run build:dist && node dist/index.js",
     "test": "vitest run",

src/lib/index.ts

@@ -0,0 +1,20 @@
+export {
+  type CookieExtractionResult,
+  type CookieSource,
+  extractCookiesFromChrome,
+  extractCookiesFromFirefox,
+  extractCookiesFromSafari,
+  resolveCredentials,
+  type TwitterCookies,
+} from './cookies.js';
+export { runtimeQueryIds } from './runtime-query-ids.js';
+export {
+  type CurrentUserResult,
+  type FollowingResult,
+  type GetTweetResult,
+  type SearchResult,
+  type TweetData,
+  TwitterClient,
+  type TwitterClientOptions,
+  type TwitterUser,
+} from './twitter-client.js';

tests/library-exports.test.ts

@@ -0,0 +1,9 @@
+import { describe, expect, it } from 'vitest';
+import { resolveCredentials, TwitterClient } from '../src/index.js';
+
+describe('library exports', () => {
+  it('exposes primary library surface', () => {
+    expect(typeof TwitterClient).toBe('function');
+    expect(typeof resolveCredentials).toBe('function');
+  });
+});

tests/twitter-client.test.ts

@@ -1345,10 +1345,7 @@ describe('TwitterClient', () => {
                   timeline: {
                     instructions: [
                       {
-                        entries: [
-                          makeSearchEntry('1'),
-                          { content: { cursorType: 'Bottom', value: 'cursor-1' } },
-                        ],
+                        entries: [makeSearchEntry('1'), { content: { cursorType: 'Bottom', value: 'cursor-1' } }],
                       },
                     ],
                   },

vitest.config.ts

@@ -9,7 +9,7 @@ export default defineConfig({
       provider: 'v8',
       reporter: ['text', 'html'],
       include: ['src/**/*.ts'],
-      exclude: ['src/index.ts'],
+      exclude: ['src/cli.ts'],
       thresholds: {
         statements: 90,
         branches: 80,