cloneCallSite() — vite Function Reference

Architecture documentation for the cloneCallSite() function in interceptor.ts from the vite codebase.

Function typescript ModuleRunner SourcemapHandler called by 1

Entity Profile

ModuleRunner→ SourcemapHandler→ cloneCallSite() — vite Function Reference

Dependency Diagram

graph TD
  155e9353_a9fb_dc00_1709_d4629470386c["cloneCallSite()"]
  95cae2f2_ad8c_91c1_5a74_93d939dbc47b["interceptor.ts"]
  155e9353_a9fb_dc00_1709_d4629470386c -->|defined in| 95cae2f2_ad8c_91c1_5a74_93d939dbc47b
  b30dd025_db49_148b_f0bc_60f33ba97a2d["wrapCallSite()"]
  b30dd025_db49_148b_f0bc_60f33ba97a2d -->|calls| 155e9353_a9fb_dc00_1709_d4629470386c
  style 155e9353_a9fb_dc00_1709_d4629470386c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/vite/src/module-runner/sourcemap/interceptor.ts lines 332–345

function cloneCallSite(frame: CallSite) {
  const object = {} as CallSite
  Object.getOwnPropertyNames(Object.getPrototypeOf(frame)).forEach((name) => {
    const key = name as keyof CallSite
    // @ts-expect-error difficult to type
    object[key] = /^(?:is|get)/.test(name)
      ? function () {
          return frame[key].call(frame)
        }
      : frame[key]
  })
  object.toString = CallSiteToString
  return object
}