resolveHttpServer() — vite Function Reference

Architecture documentation for the resolveHttpServer() function in http.ts from the vite codebase.

Function typescript ViteCore ConfigEngine calls 1 called by 2

Entity Profile

ViteCore→ ConfigEngine→ resolveHttpServer() — vite Function Reference

Dependency Diagram

graph TD
  e66d0fef_de7e_a1f4_2eb6_054a37395337["resolveHttpServer()"]
  695bc011_d16d_4322_2fef_1a59a092ee32["http.ts"]
  e66d0fef_de7e_a1f4_2eb6_054a37395337 -->|defined in| 695bc011_d16d_4322_2fef_1a59a092ee32
  5c50110b_5c76_c14f_b1dd_3efd3df7f375["preview()"]
  5c50110b_5c76_c14f_b1dd_3efd3df7f375 -->|calls| e66d0fef_de7e_a1f4_2eb6_054a37395337
  24ecf2a1_3c09_d451_76f3_9485b4e993f8["_createServer()"]
  24ecf2a1_3c09_d451_76f3_9485b4e993f8 -->|calls| e66d0fef_de7e_a1f4_2eb6_054a37395337
  19009191_26ac_2526_d048_41ac02638e55["createServer()"]
  e66d0fef_de7e_a1f4_2eb6_054a37395337 -->|calls| 19009191_26ac_2526_d048_41ac02638e55
  style e66d0fef_de7e_a1f4_2eb6_054a37395337 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/node/http.ts lines 119–144

export async function resolveHttpServer(
  app: Connect.Server,
  httpsOptions?: HttpsServerOptions,
): Promise<HttpServer> {
  if (!httpsOptions) {
    const { createServer } = await import('node:http')
    return createServer(app)
  }

  const { createSecureServer } = await import('node:http2')
  return createSecureServer(
    {
      // Manually increase the session memory to prevent 502 ENHANCE_YOUR_CALM
      // errors on large numbers of requests
      maxSessionMemory: 1000,
      // Increase the stream reset rate limit to prevent net::ERR_HTTP2_PROTOCOL_ERROR
      // errors on large numbers of requests
      streamResetBurst: 100000,
      streamResetRate: 33,
      ...httpsOptions,
      allowHTTP1: true,
    },
    // @ts-expect-error TODO: is this correct?
    app,
  )
}