format

proxy/.prettierignore

@@ -0,0 +1,2 @@
+**/*.md
+pnpm-lock.yaml

proxy/.prettierrc.yaml

@@ -0,0 +1,6 @@
+proseWrap: always
+semi: false
+singleQuote: true
+printWidth: 80
+trailingComma: none
+htmlWhitespaceSensitivity: ignore

proxy/package.json

@@ -4,6 +4,7 @@
   "scripts": {
     "clean": "rm -rf build",
     "prebuild": "npm run clean",
+    "format": "prettier -w --cache --check .",
     "build": "tsc --build"
   },
   "author": "",
@@ -22,6 +23,7 @@
   },
   "devDependencies": {
     "@types/node": "^20.12.12",
-    "dotenv": "^16.4.4"
+    "dotenv": "^16.4.4",
+    "prettier": "^3.2.5"
   }
 }

proxy/pnpm-lock.yaml

@@ -45,6 +45,9 @@ importers:
       dotenv:
         specifier: ^16.4.4
         version: 16.4.4
+      prettier:
+        specifier: ^3.2.5
+        version: 3.2.5
 
 packages:
 
@@ -292,6 +295,11 @@ packages:
     resolution: {integrity: sha512-Mz/gKiRyuXu4HnpHgi1YWdHQCoWMufapzooisvFn78zl4dZciAxS+YeRkUxXl1ee/SzU80YCz1zpECCh4oC6Aw==}
     hasBin: true
 
+  prettier@3.2.5:
+    resolution: {integrity: sha512-3/GWa9aOC0YeD7LUfvOG2NiDyhOWRvt1k+rcKhOuYnMY24iiCphgneUfJDyFXd6rZCAnuLBv6UeAULtrhT/F4A==}
+    engines: {node: '>=14'}
+    hasBin: true
+
   process-warning@2.3.2:
     resolution: {integrity: sha512-n9wh8tvBe5sFmsqlg+XQhaQLumwpqoAUruLwjCopgTmUBjJ/fjtBsJzKleCaIGBOMXYEhp1YfKl4d7rJ5ZKJGA==}
 
@@ -668,6 +676,8 @@ snapshots:
       sonic-boom: 3.8.0
       thread-stream: 2.4.1
 
+  prettier@3.2.5: {}
+
   process-warning@2.3.2: {}
 
   process-warning@3.0.0: {}

proxy/src/index.ts

@@ -1,89 +1,116 @@
-
 import fastify, {
   FastifyInstance,
   FastifyListenOptions,
   FastifyReply,
-    FastifyRequest,
-} from "fastify"
-import { PinoLoggerOptions } from "fastify/types/logger"
-import { Proxy } from "./proxy"
-import { Logger } from "pino"
+  FastifyRequest
+} from 'fastify'
+import { PinoLoggerOptions } from 'fastify/types/logger'
+import { Proxy } from './proxy'
+import { Logger } from 'pino'
 import 'dotenv/config'
 
 const host = process.env.HOST
-const port = parseInt(process.env.PORT ?? "8080", 10)
+const port = parseInt(process.env.PORT ?? '8080', 10)
 const baseUrl = process.env.NITTER_BASE_URL
-const concurrency = parseInt(process.env.CONCURRENCY ?? "1", 10)
-const retryAfterMillis = process.env.RETRY_AFTER_MILLIS ? parseInt(process.env.RETRY_AFTER_MILLIS, 10) : null
-const maxCacheSize = parseInt(process.env.MAX_CACHE_SIZE ?? "100000", 10)
-const logLevel = process.env.LOG_LEVEL ?? "debug"
+const concurrency = parseInt(process.env.CONCURRENCY ?? '1', 10)
+const retryAfterMillis = process.env.RETRY_AFTER_MILLIS
+  ? parseInt(process.env.RETRY_AFTER_MILLIS, 10)
+  : null
+const maxCacheSize = parseInt(process.env.MAX_CACHE_SIZE ?? '100000', 10)
+const logLevel = process.env.LOG_LEVEL ?? 'debug'
 
 const server = fastify({
   logger: {
-        name: "app",
+    name: 'app',
     level: logLevel,
-        ...( logLevel == "trace" ? { transport: { target: 'pino-pretty' } } : {})
+    ...(logLevel == 'trace' ? { transport: { target: 'pino-pretty' } } : {})
   } as PinoLoggerOptions
 })
 
 const log = server.log as Logger
-const proxy = new Proxy(log, baseUrl, concurrency, retryAfterMillis, maxCacheSize)
+const proxy = new Proxy(
+  log,
+  baseUrl,
+  concurrency,
+  retryAfterMillis,
+  maxCacheSize
+)
 
 async function main() {
-
-    server.register((fastify: FastifyInstance, opts, done) => {
-
-        fastify.get(`/user/:username`, {},
+  server.register(
+    (fastify: FastifyInstance, opts, done) => {
+      fastify.get(
+        `/user/:username`,
+        {},
         async (request: FastifyRequest, reply: FastifyReply) => {
-                log.debug({
+          log.debug(
+            {
               headers: request.headers,
               reqId: request.id,
-                    params: request.params }, 'incoming request /user/:username')
+              params: request.params
+            },
+            'incoming request /user/:username'
+          )
           const { username } = request.params as any
-                const { status, data } = await proxy.getUser(username, { reqId: request.id })
+          const { status, data } = await proxy.getUser(username, {
+            reqId: request.id
+          })
           reply.status(status).send(data)
-            });
+        }
+      )
 
-        fastify.get(`/user/:userId/tweets`, {},
+      fastify.get(
+        `/user/:userId/tweets`,
+        {},
         async (request: FastifyRequest, reply: FastifyReply) => {
           const { userId } = request.params as any
           const { cursor } = request.query as any
-                const { status, data } = await proxy.getUserTweets(userId, cursor, { reqId: request.id })
+          const { status, data } = await proxy.getUserTweets(userId, cursor, {
+            reqId: request.id
+          })
           reply.status(status).send(data)
-            });
+        }
+      )
 
-        fastify.get(`/tweet/:id`, {},
+      fastify.get(
+        `/tweet/:id`,
+        {},
         async (request: FastifyRequest, reply: FastifyReply) => {
           const { id } = request.params as any
-                const { status, data } = await proxy.getTweetById(id, { reqId: request.id })
+          const { status, data } = await proxy.getTweetById(id, {
+            reqId: request.id
+          })
           reply.status(status).send(data)
-            });
+        }
+      )
 
       done()
-
-    }, { prefix: '/api' })
+    },
+    { prefix: '/api' }
+  )
 
   server.setNotFoundHandler((request: FastifyRequest, reply: FastifyReply) => {
-        reply.status(404)
-            .send({ message: `Method not found` })
+    reply.status(404).send({ message: `Method not found` })
   })
 
-    server.setErrorHandler((err: Error, request: FastifyRequest, reply: FastifyReply) => {
+  server.setErrorHandler(
+    (err: Error, request: FastifyRequest, reply: FastifyReply) => {
       const { log } = request
       log.error(err)
       // Send error response
       reply.status(500).send({ message: `Internal server error` })
-    })
+    }
+  )
 
   // await server.register(import('@fastify/rate-limit'), {
   //     max: 100,
   //     timeWindow: '1 minute'
   // })
 
-    await server.listen({ port, host } as FastifyListenOptions);
+  await server.listen({ port, host } as FastifyListenOptions)
 }
 
-main().catch(err => {
+main().catch((err) => {
   log.fatal(err)
   process.exit(1)
 })

proxy/src/proxy.ts

@@ -1,10 +1,10 @@
 // noinspection TypeScriptUnresolvedReference
 
-import axios from "axios"
-import { AxiosInstance, AxiosRequestConfig } from "axios"
-import fastq from "fastq"
-import { Logger } from "pino"
-import retry from "axios-retry-after"
+import axios from 'axios'
+import { AxiosInstance, AxiosRequestConfig } from 'axios'
+import fastq from 'fastq'
+import { Logger } from 'pino'
+import retry from 'axios-retry-after'
 import { LRUCache } from 'lru-cache'
 
 const GET_USER_POSITIVE_TTL_MS = process.env.GET_USER_POSITIVE_TTL
@@ -33,12 +33,11 @@ export interface Job {
 }
 
 export interface JobResponse {
-    status: number,
+  status: number
   data: any
 }
 
 export class Proxy {
-
   private readonly cache: LRUCache<string, JobResponse>
   private readonly client: AxiosInstance
   private readonly queue: fastq.queueAsPromised<Job, JobResponse>
@@ -65,10 +64,18 @@ export class Proxy {
     }, this.timeWindowMillis)
 
     if (retryAfterMillis) {
-            this.client.interceptors.response.use(null, retry(this.client, {
+      this.client.interceptors.response.use(
+        null,
+        retry(this.client, {
           // Determine when we should attempt to retry
           isRetryable(error) {
-                    log.debug({ status: error.response?.status, headers: error.response?.headers }, 'checking retryable')
+            log.debug(
+              {
+                status: error.response?.status,
+                headers: error.response?.headers
+              },
+              'checking retryable'
+            )
             return (
               error.response && error.response.status === 429
               // Use X-Retry-After rather than Retry-After, and cap retry delay at 60 seconds
@@ -77,14 +84,21 @@ export class Proxy {
           },
           // Customize the wait behavior
           wait(error) {
-                    log.debug({ status: error.response?.status, headers: error.response?.headers }, 'waiting for retry')
+            log.debug(
+              {
+                status: error.response?.status,
+                headers: error.response?.headers
+              },
+              'waiting for retry'
+            )
             return new Promise(
               // Use X-Retry-After rather than Retry-After
               // resolve => setTimeout(resolve, error.response.headers['x-retry-after'])
-                        resolve => setTimeout(resolve, retryAfterMillis)
+              (resolve) => setTimeout(resolve, retryAfterMillis)
             )
           }
-            }))
+        })
+      )
     }
   }
 
@@ -110,7 +124,11 @@ export class Proxy {
     return result
   }
 
-    async getUserTweets(userId: string, cursor?: string, options?: { reqId?: string }) {
+  async getUserTweets(
+    userId: string,
+    cursor?: string,
+    options?: { reqId?: string }
+  ) {
     const key = `users:${userId}:tweets:${cursor ?? 'last'}`
 
     if (this.cache.has(key)) {
@@ -156,7 +174,6 @@ export class Proxy {
   }
 
   private async sendRequest(job: Job): Promise<any> {
-
     const { reqId, url, params } = job
 
     if (this.counter.requests > this.concurrency * this.maxRequestsPerAccount) {
@@ -167,9 +184,9 @@ export class Proxy {
 
     let config = {
       url,
-            method: "get",
+      method: 'get',
       baseURL: this.baseUrl,
-            params,
+      params
     } as AxiosRequestConfig
 
     this.log.trace({ config, reqId: reqId }, 'sending request to nitter')
@@ -177,23 +194,23 @@ export class Proxy {
     try {
       const response = await this.client.request(config)
 
-            this.log.trace({
+      this.log.trace(
+        {
           status: response.status,
           data: response.data,
           reqId: reqId
-            }, 'nitter response')
+        },
+        'nitter response'
+      )
 
       return {
         status: response.status,
-                data: response.data,
+        data: response.data
       } as JobResponse
-
     } catch (err) {
-
       this.log.warn({ err, reqId }, 'nitter error')
 
-            if ( err.name === "AxiosError" ) {
-
+      if (err.name === 'AxiosError') {
         this.counter.requests = Number.MAX_SAFE_INTEGER
 
         return {

proxy/src/types.d.ts

@@ -1,6 +1,5 @@
 declare module 'axios-retry-after' {
-
-    import { AxiosError, AxiosInstance } from "axios";
+  import { AxiosError, AxiosInstance } from 'axios'
 
   /**
    * Function to enhance Axios instance with retry-after functionality.
@@ -10,7 +9,7 @@ declare module 'axios-retry-after' {
   export default function (
     axios: AxiosInstance,
     options?: AxiosRetryAfterOptions
-    ): (error: AxiosError) => Promise<void>;
+  ): (error: AxiosError) => Promise<void>
 
   /**
    * Configuration options for axios-retry-after.
@@ -20,20 +19,19 @@ declare module 'axios-retry-after' {
      * Function to determine if an error response is retryable.
      * @param error The Axios error to evaluate.
      */
-        isRetryable?: (error: AxiosError) => boolean;
+    isRetryable?: (error: AxiosError) => boolean
 
     /**
      * Function to wait for a specified amount of time.
      * @param error The Axios error that contains retry-after header.
      */
-        wait?: (error: AxiosError) => Promise<void>;
+    wait?: (error: AxiosError) => Promise<void>
 
     /**
      * Function to retry the original request.
      * @param axios The Axios instance used for retrying the request.
      * @param error The Axios error to retry.
      */
-        retry?: (axios: AxiosInstance, error: AxiosError) => Promise<any>;
+    retry?: (axios: AxiosInstance, error: AxiosError) => Promise<any>
   }
 }
-

proxy/tsconfig.json

@@ -12,7 +12,5 @@
     "outDir": "./build"
   },
   "include": ["src/**/*"],
-  "exclude": [
-    "node_modules"
-  ]
+  "exclude": ["node_modules"]
 }