friday-sdk/src/client.ts

Official JavaScript/TypeScript SDK for the Friday API

import { SDKOptions } from "./types";

export class APIClient {
  private apiKey: string;
  private baseUrl: string;

  constructor(options: SDKOptions) {
    this.apiKey = options.apiKey;
    this.baseUrl = options.baseUrl || "https://api.fridaydata.com";
  }

  async request<T = any>(
    path: string,
    options: RequestInit = {},
    auth?: { useApiKey?: boolean; bearerToken?: string }
  ): Promise<T> {
    const headers: Record<string, string> = {
      "Content-Type": "application/json",
      ...(options.headers as Record<string, string> | undefined),
    };

    const useApiKey = auth?.useApiKey ?? true;
    if (useApiKey) {
      headers["X-API-Key"] = this.apiKey;
    }

    if (auth?.bearerToken) {
      headers["Authorization"] = `Bearer ${auth.bearerToken}`;
    }

    const res = await fetch(`${this.baseUrl}${path}`, {
      ...options,
      headers,
    });

    if (!res.ok) {
      const errorText = await res.text();
      throw new Error(`API Error ${res.status}: ${errorText}`);
    }

    return res.json();
  }
}