All files / src/core/context create-context.ts

100% Statements 7/7
100% Branches 15/15
100% Functions 2/2
100% Lines 7/7

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78                                                                                        29x 3x         26x 29x   29x                     26x   26x                      
/**
 * Context creation for route handlers
 * Core logic - runtime agnostic
 */
 
import type { SocketEmitter } from '../shared/vitek-app.js';
 
export interface VitekContext {
  url: string;
  method: string;
  path: string;
  query: Record<string, string | string[]>;
  params: Record<string, string>;
  headers: Record<string, string>;
  body?: any;
  /** When trustProxy is true, client IP from X-Forwarded-For or socket.remoteAddress. */
  clientIp?: string;
  /** When the app runs with shared context (dev, preview, serve), use to broadcast to WebSocket clients. */
  sockets?: SocketEmitter;
}
 
export interface VitekRequest {
  url: string;
  method: string;
  headers: Record<string, string>;
  body?: any;
}
 
/**
 * Response object that allows control over status code and headers
 * If a handler returns a plain object, it will be treated as status 200 with JSON content-type
 */
export interface VitekResponse {
  status?: number;
  headers?: Record<string, string>;
  body?: any;
}
 
/**
 * Type guard to check if a value is a VitekResponse
 * A VitekResponse is identified by having 'status' (number) or 'headers' (object) properties
 * Plain objects without these properties are treated as regular JSON responses (backward compatibility)
 */
export function isVitekResponse(value: any): value is VitekResponse {
  if (typeof value !== 'object' || value === null || Array.isArray(value)) {
    return false;
  }
  
  // It's a VitekResponse if it has 'status' (number) or 'headers' (object) properties
  // These are clear indicators of a response object, not a data object
  const hasStatus = 'status' in value && typeof value.status === 'number';
  const hasHeaders = 'headers' in value && typeof value.headers === 'object' && value.headers !== null && !Array.isArray(value.headers);
  
  return hasStatus || hasHeaders;
}
 
/**
 * Creates a context from a request and extracted parameters
 */
export function createContext(
  request: VitekRequest,
  params: Record<string, string> = {},
  query: Record<string, string | string[]> = {}
): VitekContext {
  const url = new URL(request.url, 'http://localhost');
  
  return {
    url: request.url,
    method: request.method.toLowerCase(),
    path: url.pathname,
    query,
    params,
    headers: request.headers,
    body: request.body,
  };
}