Release 3.0.1 👻

package.json

@@ -1,6 +1,6 @@
 {
   "name": "assemblyai",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "The AssemblyAI Node.js SDK provides an easy-to-use interface for interacting with the AssemblyAI API, which supports async and real-time transcription, as well as the latest LeMUR models.",
   "main": "dist/index.js",
   "module": "dist/index.esm.js",
@@ -51,6 +51,7 @@
     "i": "^0.3.7",
     "jest": "^29.5.0",
     "jest-cli": "^29.5.0",
+    "jest-fetch-mock": "^3.0.3",
     "jest-junit": "^16.0.0",
     "jest-mock-extended": "^3.0.4",
     "jest-websocket-mock": "^2.4.1",
@@ -67,7 +68,6 @@
     "typescript": "^5.2.2"
   },
   "dependencies": {
-    "axios": "^1.4.0",
     "ws": "^8.13.0"
   }
 }

scripts/kitchensink.ts

@@ -260,12 +260,12 @@ const createTranscriptParams: CreateTranscriptParameters = {
 })().then(deleteTranscript);
 
 (async function listTranscripts() {
-  let nextPageUrl: string | null = null;
+  let nextPageUrl: string | undefined | null;
   do {
-    const page = await client.transcripts.list(nextPageUrl)
+    const page = await client.transcripts.list(nextPageUrl as string | undefined)
     console.log(page);
     nextPageUrl = page.page_details.next_url;
-  } while (nextPageUrl !== null)
+  } while (!!nextPageUrl)
 })();
 
 async function searchTranscript(transcript: Transcript) {
@@ -355,6 +355,6 @@ async function lemurCustomTask(transcript: Transcript) {
 }
 
 async function purgeLemurRequestData(lemurResponse: LemurBaseResponse) {
-  const { response } = await client.lemur.purgeRequestData(lemurResponse.request_id);
+  const response = await client.lemur.purgeRequestData(lemurResponse.request_id);
   console.log(response);
 };

src/services/base.ts

@@ -1,12 +1,53 @@
-import { AxiosInstance } from "axios";
+import { BaseServiceParams } from "..";
+import { Error as JsonError } from "..";
 
 /**
  * Base class for services that communicate with the API.
  */
 export abstract class BaseService {
   /**
    * Create a new service.
-   * @param params The AxiosInstance to send HTTP requests to the API.
+   * @param params The parameters to use for the service.
    */
-  constructor(protected client: AxiosInstance) {}
+  constructor(private params: BaseServiceParams) {}
+  protected async fetch(
+    input: string,
+    init?: RequestInit | undefined
+  ): Promise<Response> {
+    init = init ?? {};
+    init.headers = init.headers ?? {};
+    init.headers = {
+      Authorization: this.params.apiKey,
+      "Content-Type": "application/json",
+      ...init.headers,
+    };
+    if (!input.startsWith("http")) input = this.params.baseUrl + input;
+
+    const response = await fetch(input, init);
+
+    if (response.status >= 400) {
+      let json: JsonError | undefined;
+      const text = await response.text();
+      if (text) {
+        try {
+          json = JSON.parse(text);
+        } catch {
+          /* empty */
+        }
+        if (json?.error) throw new Error(json.error);
+        throw new Error(text);
+      }
+      throw new Error(`HTTP Error: ${response.status} ${response.statusText}`);
+    }
+
+    return response;
+  }
+
+  protected async fetchJson<T>(
+    input: string,
+    init?: RequestInit | undefined
+  ): Promise<T> {
+    const response = await this.fetch(input, init);
+    return response.json() as Promise<T>;
+  }
 }

src/services/files/index.ts

@@ -1,8 +1,8 @@
 // import the fs module instead if specific named exports
 // to keep the assemblyai module more compatible. Some fs polyfills don't include `createReadStream`.
 import fs from "fs";
-import { BaseService } from "@/services/base";
-import { UploadedFile, FileUploadParameters, FileUploadData } from "@/types";
+import { BaseService } from "../base";
+import { UploadedFile, FileUploadParameters, FileUploadData } from "../..";
 
 export class FileService extends BaseService {
   /**
@@ -15,16 +15,14 @@ export class FileService extends BaseService {
     if (typeof input === "string") fileData = fs.createReadStream(input);
     else fileData = input;
 
-    const { data } = await this.client.post<UploadedFile>(
-      "/v2/upload",
-      fileData,
-      {
-        headers: {
-          "Content-Type": "application/octet-stream",
-        },
-      }
-    );
-
+    const data = await this.fetchJson<UploadedFile>("/v2/upload", {
+      method: "POST",
+      body: fileData as BodyInit,
+      headers: {
+        "Content-Type": "application/octet-stream",
+      },
+      duplex: "half",
+    } as RequestInit);
     return data.upload_url;
   }
 }

src/services/index.ts

@@ -1,10 +1,11 @@
-import { createAxiosClient } from "@/utils/axios";
-import { BaseServiceParams } from "@/types";
+import { BaseServiceParams } from "..";
 import { LemurService } from "./lemur";
 import { RealtimeService, RealtimeServiceFactory } from "./realtime";
 import { TranscriptService } from "./transcripts";
 import { FileService } from "./files";
 
+const defaultBaseUrl = "https://api.assemblyai.com";
+
 class AssemblyAI {
   /**
    * The files service.
@@ -31,12 +32,13 @@ class AssemblyAI {
    * @param params The parameters for the service, including the API key and base URL, if any.
    */
   constructor(params: BaseServiceParams) {
-    params.baseUrl = params.baseUrl || "https://api.assemblyai.com";
-    const client = createAxiosClient(params);
-    this.files = new FileService(client);
-    this.transcripts = new TranscriptService(client, this.files);
-    this.lemur = new LemurService(client);
-    this.realtime = new RealtimeServiceFactory(client, params);
+    params.baseUrl = params.baseUrl || defaultBaseUrl;
+    if (params.baseUrl && params.baseUrl.endsWith("/"))
+      params.baseUrl = params.baseUrl.slice(0, -1);
+    this.files = new FileService(params);
+    this.transcripts = new TranscriptService(params, this.files);
+    this.lemur = new LemurService(params);
+    this.realtime = new RealtimeServiceFactory(params);
   }
 }
 

src/services/lemur/index.ts

@@ -8,54 +8,55 @@ import {
   LemurActionItemsResponse,
   LemurTaskResponse,
   PurgeLemurRequestDataResponse,
-} from "@/types";
-import { BaseService } from "@/services/base";
+} from "../..";
+import { BaseService } from "../base";
 
 export class LemurService extends BaseService {
-  async summary(params: LemurSummaryParameters): Promise<LemurSummaryResponse> {
-    const { data } = await this.client.post<LemurSummaryResponse>(
-      "/lemur/v3/generate/summary",
-      params
-    );
-    return data;
+  summary(params: LemurSummaryParameters): Promise<LemurSummaryResponse> {
+    return this.fetchJson<LemurSummaryResponse>("/lemur/v3/generate/summary", {
+      method: "POST",
+      body: JSON.stringify(params),
+    });
   }
 
-  async questionAnswer(
+  questionAnswer(
     params: LemurQuestionAnswerParameters
   ): Promise<LemurQuestionAnswerResponse> {
-    const { data } = await this.client.post<LemurQuestionAnswerResponse>(
+    return this.fetchJson<LemurQuestionAnswerResponse>(
       "/lemur/v3/generate/question-answer",
-      params
+      {
+        method: "POST",
+        body: JSON.stringify(params),
+      }
     );
-    return data;
   }
 
-  async actionItems(
+  actionItems(
     params: LemurActionItemsParameters
   ): Promise<LemurActionItemsResponse> {
-    const { data } = await this.client.post<LemurActionItemsResponse>(
+    return this.fetchJson<LemurActionItemsResponse>(
       "/lemur/v3/generate/action-items",
-      params
+      {
+        method: "POST",
+        body: JSON.stringify(params),
+      }
     );
-    return data;
   }
 
-  async task(params: LemurTaskParameters): Promise<LemurTaskResponse> {
-    const { data } = await this.client.post<LemurTaskResponse>(
-      "/lemur/v3/generate/task",
-      params
-    );
-    return data;
+  task(params: LemurTaskParameters): Promise<LemurTaskResponse> {
+    return this.fetchJson<LemurTaskResponse>("/lemur/v3/generate/task", {
+      method: "POST",
+      body: JSON.stringify(params),
+    });
   }
 
   /**
    * Delete the data for a previously submitted LeMUR request.
    * @param id ID of the LeMUR request
    */
-  async purgeRequestData(id: string): Promise<PurgeLemurRequestDataResponse> {
-    const { data } = await this.client.delete<PurgeLemurRequestDataResponse>(
-      `/lemur/v3/${id}`
-    );
-    return data;
+  purgeRequestData(id: string): Promise<PurgeLemurRequestDataResponse> {
+    return this.fetchJson<PurgeLemurRequestDataResponse>(`/lemur/v3/${id}`, {
+      method: "DELETE",
+    });
   }
 }

src/services/realtime/factory.ts

@@ -3,30 +3,35 @@ import {
   RealtimeTokenParams,
   CreateRealtimeServiceParams,
   RealtimeServiceParams,
-} from "@/types";
-import { AxiosInstance } from "axios";
+  RealtimeTemporaryTokenResponse,
+} from "../..";
 import { RealtimeService } from "./service";
+import { BaseService } from "../base";
 
-export class RealtimeServiceFactory {
-  constructor(
-    private client: AxiosInstance,
-    private params: BaseServiceParams
-  ) {}
+export class RealtimeServiceFactory extends BaseService {
+  private rtFactoryParams: BaseServiceParams;
+  constructor(params: BaseServiceParams) {
+    super(params);
+    this.rtFactoryParams = params;
+  }
 
   createService(params?: CreateRealtimeServiceParams): RealtimeService {
-    if (!params) params = { apiKey: this.params.apiKey };
+    if (!params) params = { apiKey: this.rtFactoryParams.apiKey };
     else if (!("token" in params) && !params.apiKey) {
-      params.apiKey = this.params.apiKey;
+      params.apiKey = this.rtFactoryParams.apiKey;
     }
 
     return new RealtimeService(params as RealtimeServiceParams);
   }
 
   async createTemporaryToken(params: RealtimeTokenParams) {
-    const response = await this.client.post<{ token: string }>(
+    const data = await this.fetchJson<RealtimeTemporaryTokenResponse>(
       "/v2/realtime/token",
-      params
+      {
+        method: "POST",
+        body: JSON.stringify(params),
+      }
     );
-    return response.data.token;
+    return data.token;
   }
 }

src/services/realtime/index.ts

@@ -1,2 +1,2 @@
-export * from "@/services/realtime/factory";
-export * from "@/services/realtime/service";
+export * from "./factory";
+export * from "./service";

src/services/realtime/service.ts

@@ -8,13 +8,13 @@ import {
   PartialTranscript,
   FinalTranscript,
   SessionBeginsEventData,
-} from "@/types";
+} from "../..";
 import {
   RealtimeError,
   RealtimeErrorMessages,
   RealtimeErrorType,
-} from "@/utils/errors";
-import { Writable } from "stream";
+} from "../../utils/errors";
+import Stream from "stream";
 
 const defaultRealtimeUrl = "wss://api.assemblyai.com/v2/realtime/ws";
 
@@ -32,7 +32,6 @@ export class RealtimeService {
     this.realtimeUrl = params.realtimeUrl ?? defaultRealtimeUrl;
     this.sampleRate = params.sampleRate ?? 16_000;
     this.wordBoost = params.wordBoost;
-    this.realtimeUrl = params.realtimeUrl ?? defaultRealtimeUrl;
     if ("apiKey" in params) this.apiKey = params.apiKey;
     if ("token" in params) this.token = params.token;
 
@@ -162,8 +161,8 @@ export class RealtimeService {
     this.socket.send(JSON.stringify(payload));
   }
 
-  stream(): Writable {
-    const stream = new Writable({
+  stream(): NodeJS.WritableStream {
+    const stream = new Stream.Writable({
       write: (chunk: Buffer, encoding, next) => {
         this.sendAudio(chunk);
         next();